/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--video--aty--radeonfb.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 04:34:14,486 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 04:34:14,488 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 04:34:14,521 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 04:34:14,521 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 04:34:14,523 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 04:34:14,527 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 04:34:14,529 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 04:34:14,530 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 04:34:14,534 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 04:34:14,536 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 04:34:14,537 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 04:34:14,537 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 04:34:14,539 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 04:34:14,540 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 04:34:14,541 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 04:34:14,542 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 04:34:14,543 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 04:34:14,544 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 04:34:14,549 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 04:34:14,550 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 04:34:14,550 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 04:34:14,551 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 04:34:14,552 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 04:34:14,557 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 04:34:14,557 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 04:34:14,557 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 04:34:14,559 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 04:34:14,559 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 04:34:14,560 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 04:34:14,560 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 04:34:14,561 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 04:34:14,562 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 04:34:14,562 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 04:34:14,563 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 04:34:14,563 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 04:34:14,564 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 04:34:14,564 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 04:34:14,564 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 04:34:14,565 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 04:34:14,565 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 04:34:14,567 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-03 04:34:14,594 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 04:34:14,594 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 04:34:14,595 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 04:34:14,595 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 04:34:14,596 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 04:34:14,596 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 04:34:14,596 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 04:34:14,596 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 04:34:14,596 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 04:34:14,596 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 04:34:14,597 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 04:34:14,597 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 04:34:14,597 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 04:34:14,597 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 04:34:14,598 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 04:34:14,598 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 04:34:14,598 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 04:34:14,598 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 04:34:14,598 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 04:34:14,598 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 04:34:14,599 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 04:34:14,599 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 04:34:14,599 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 04:34:14,599 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 04:34:14,599 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 04:34:14,599 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 04:34:14,599 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 04:34:14,600 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 04:34:14,600 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 04:34:14,600 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 04:34:14,600 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 04:34:14,600 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 04:34:14,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 04:34:14,600 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 04:34:14,601 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 04:34:14,601 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 04:34:14,601 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 04:34:14,601 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 04:34:14,601 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 04:34:14,601 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 04:34:14,601 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 04:34:14,601 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 04:34:14,856 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 04:34:14,871 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 04:34:14,873 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 04:34:14,874 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 04:34:14,875 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 04:34:14,876 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--video--aty--radeonfb.ko-main.cil.out.i [2023-04-03 04:34:16,017 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 04:34:16,577 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 04:34:16,577 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--video--aty--radeonfb.ko-main.cil.out.i [2023-04-03 04:34:16,626 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86704fe2c/5dbf363c3b5748a8ac3bac96ab6e6346/FLAGf3db26152 [2023-04-03 04:34:16,640 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86704fe2c/5dbf363c3b5748a8ac3bac96ab6e6346 [2023-04-03 04:34:16,642 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 04:34:16,643 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 04:34:16,646 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 04:34:16,646 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 04:34:16,649 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 04:34:16,649 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 04:34:16" (1/1) ... [2023-04-03 04:34:16,650 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b5bf7f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:34:16, skipping insertion in model container [2023-04-03 04:34:16,650 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 04:34:16" (1/1) ... [2023-04-03 04:34:16,656 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 04:34:16,788 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 04:34:19,694 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--video--aty--radeonfb.ko-main.cil.out.i[392555,392568] [2023-04-03 04:34:19,819 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 04:34:19,867 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 04:34:20,257 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--video--aty--radeonfb.ko-main.cil.out.i[392555,392568] [2023-04-03 04:34:20,266 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 04:34:20,443 INFO L208 MainTranslator]: Completed translation [2023-04-03 04:34:20,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:34:20 WrapperNode [2023-04-03 04:34:20,444 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 04:34:20,445 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 04:34:20,445 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 04:34:20,445 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 04:34:20,455 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:34:20" (1/1) ... [2023-04-03 04:34:20,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:34:20" (1/1) ... [2023-04-03 04:34:20,620 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:34:20" (1/1) ... [2023-04-03 04:34:20,621 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:34:20" (1/1) ... [2023-04-03 04:34:20,858 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:34:20" (1/1) ... [2023-04-03 04:34:20,972 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:34:20" (1/1) ... [2023-04-03 04:34:21,019 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:34:20" (1/1) ... [2023-04-03 04:34:21,059 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:34:20" (1/1) ... [2023-04-03 04:34:21,141 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 04:34:21,142 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 04:34:21,143 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 04:34:21,143 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 04:34:21,144 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:34:20" (1/1) ... [2023-04-03 04:34:21,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 04:34:21,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 04:34:21,173 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-03 04:34:21,188 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-03 04:34:21,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 04:34:21,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 04:34:21,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-04-03 04:34:21,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-04-03 04:34:21,215 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 04:34:21,215 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2023-04-03 04:34:21,215 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_enable [2023-04-03 04:34:21,215 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-03 04:34:21,215 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-04-03 04:34:21,215 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2023-04-03 04:34:21,216 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2023-04-03 04:34:21,216 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-04-03 04:34:21,216 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2023-04-03 04:34:21,216 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-04-03 04:34:21,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2023-04-03 04:34:21,216 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2023-04-03 04:34:21,216 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-04-03 04:34:21,216 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-03 04:34:21,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-04-03 04:34:21,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-03 04:34:21,216 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-04-03 04:34:21,216 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-04-03 04:34:21,217 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-04-03 04:34:21,217 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2023-04-03 04:34:21,217 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-04-03 04:34:21,217 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_msleep [2023-04-03 04:34:21,217 INFO L138 BoogieDeclarations]: Found implementation of procedure _OUTREGP [2023-04-03 04:34:21,217 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pll_errata_after_index [2023-04-03 04:34:21,217 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pll_errata_after_data [2023-04-03 04:34:21,217 INFO L138 BoogieDeclarations]: Found implementation of procedure __INPLL [2023-04-03 04:34:21,217 INFO L138 BoogieDeclarations]: Found implementation of procedure __OUTPLL [2023-04-03 04:34:21,217 INFO L138 BoogieDeclarations]: Found implementation of procedure __OUTPLLP [2023-04-03 04:34:21,217 INFO L138 BoogieDeclarations]: Found implementation of procedure round_div [2023-04-03 04:34:21,217 INFO L138 BoogieDeclarations]: Found implementation of procedure var_to_depth [2023-04-03 04:34:21,217 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_get_dstbpp [2023-04-03 04:34:21,218 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_fifo_wait [2023-04-03 04:34:21,218 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_engine_flush [2023-04-03 04:34:21,218 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_engine_idle [2023-04-03 04:34:21,218 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_unmap_ROM [2023-04-03 04:34:21,218 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_map_ROM [2023-04-03 04:34:21,219 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_find_mem_vbios [2023-04-03 04:34:21,219 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_probe_pll_params [2023-04-03 04:34:21,219 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_get_pllinfo [2023-04-03 04:34:21,219 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_check_var [2023-04-03 04:34:21,219 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_pan_display [2023-04-03 04:34:21,220 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_ioctl [2023-04-03 04:34:21,220 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_screen_blank [2023-04-03 04:34:21,220 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_blank [2023-04-03 04:34:21,220 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_setcolreg [2023-04-03 04:34:21,220 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_setcolreg [2023-04-03 04:34:21,220 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_setcmap [2023-04-03 04:34:21,220 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_save_state [2023-04-03 04:34:21,221 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_write_pll_regs [2023-04-03 04:34:21,221 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_lvds_timer_func [2023-04-03 04:34:21,221 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_write_mode [2023-04-03 04:34:21,221 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_calc_pll_regs [2023-04-03 04:34:21,221 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_set_par [2023-04-03 04:34:21,221 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_set_fbinfo [2023-04-03 04:34:21,221 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_identify_vram [2023-04-03 04:34:21,221 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_show_one_edid [2023-04-03 04:34:21,222 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_show_edid1 [2023-04-03 04:34:21,222 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_show_edid2 [2023-04-03 04:34:21,222 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_pci_register [2023-04-03 04:34:21,222 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_pci_unregister [2023-04-03 04:34:21,222 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_init [2023-04-03 04:34:21,222 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_exit [2023-04-03 04:34:21,222 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 04:34:21,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2023-04-03 04:34:21,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2023-04-03 04:34:21,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2023-04-03 04:34:21,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_4 [2023-04-03 04:34:21,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_5 [2023-04-03 04:34:21,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_6 [2023-04-03 04:34:21,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2023-04-03 04:34:21,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2023-04-03 04:34:21,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2023-04-03 04:34:21,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_10 [2023-04-03 04:34:21,224 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2023-04-03 04:34:21,224 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2023-04-03 04:34:21,224 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_apply_workarounds [2023-04-03 04:34:21,224 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_disable_dynamic_mode [2023-04-03 04:34:21,225 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_enable_dynamic_mode [2023-04-03 04:34:21,225 INFO L138 BoogieDeclarations]: Found implementation of procedure OUTMC [2023-04-03 04:34:21,225 INFO L138 BoogieDeclarations]: Found implementation of procedure INMC [2023-04-03 04:34:21,225 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_save_regs [2023-04-03 04:34:21,225 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_restore_regs [2023-04-03 04:34:21,225 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_disable_iopad [2023-04-03 04:34:21,225 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_program_v2clk [2023-04-03 04:34:21,226 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_low_current [2023-04-03 04:34:21,226 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_setup_for_suspend [2023-04-03 04:34:21,226 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_yclk_mclk_sync [2023-04-03 04:34:21,226 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_yclk_mclk_sync_m10 [2023-04-03 04:34:21,226 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_program_mode_reg [2023-04-03 04:34:21,226 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_m10_program_mode_wait [2023-04-03 04:34:21,226 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_enable_dll [2023-04-03 04:34:21,226 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_enable_dll_m10 [2023-04-03 04:34:21,226 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_full_reset_sdram [2023-04-03 04:34:21,226 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_reset_pad_ctlr_strength [2023-04-03 04:34:21,226 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_all_ppls_off [2023-04-03 04:34:21,226 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_start_mclk_sclk [2023-04-03 04:34:21,226 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_m10_disable_spread_spectrum [2023-04-03 04:34:21,226 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_m10_enable_lvds_spread_spectrum [2023-04-03 04:34:21,227 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_restore_pixel_pll [2023-04-03 04:34:21,227 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_m10_reconfigure_mc [2023-04-03 04:34:21,227 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_reinitialize_M10 [2023-04-03 04:34:21,227 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_whack_power_state [2023-04-03 04:34:21,227 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_set_suspend [2023-04-03 04:34:21,227 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_pci_suspend [2023-04-03 04:34:21,227 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_check_power_loss [2023-04-03 04:34:21,227 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_pci_resume [2023-04-03 04:34:21,227 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_pm_init [2023-04-03 04:34:21,228 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_pm_exit [2023-04-03 04:34:21,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_21 [2023-04-03 04:34:21,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_22 [2023-04-03 04:34:21,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_23 [2023-04-03 04:34:21,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_24 [2023-04-03 04:34:21,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_25 [2023-04-03 04:34:21,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_26 [2023-04-03 04:34:21,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_27 [2023-04-03 04:34:21,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_28 [2023-04-03 04:34:21,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_29 [2023-04-03 04:34:21,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_30 [2023-04-03 04:34:21,232 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-04-03 04:34:21,233 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_get_mon_name [2023-04-03 04:34:21,237 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_get_panel_info_BIOS [2023-04-03 04:34:21,237 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_parse_connector_info [2023-04-03 04:34:21,237 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_crt_is_connected [2023-04-03 04:34:21,237 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_parse_monitor_layout [2023-04-03 04:34:21,238 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_probe_screens [2023-04-03 04:34:21,238 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_fixup_panel_info [2023-04-03 04:34:21,238 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_var_to_panel_info [2023-04-03 04:34:21,238 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_videomode_to_var [2023-04-03 04:34:21,238 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_check_modes [2023-04-03 04:34:21,238 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_compare_modes [2023-04-03 04:34:21,238 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_match_mode [2023-04-03 04:34:21,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_41 [2023-04-03 04:34:21,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_42 [2023-04-03 04:34:21,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_43 [2023-04-03 04:34:21,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_44 [2023-04-03 04:34:21,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_45 [2023-04-03 04:34:21,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_46 [2023-04-03 04:34:21,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_47 [2023-04-03 04:34:21,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_48 [2023-04-03 04:34:21,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_49 [2023-04-03 04:34:21,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_50 [2023-04-03 04:34:21,239 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_fixup_offset [2023-04-03 04:34:21,239 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_prim_fillrect [2023-04-03 04:34:21,239 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_fillrect [2023-04-03 04:34:21,239 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_prim_copyarea [2023-04-03 04:34:21,239 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_copyarea [2023-04-03 04:34:21,239 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_imageblit [2023-04-03 04:34:21,239 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_sync [2023-04-03 04:34:21,239 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_engine_reset [2023-04-03 04:34:21,239 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_engine_init [2023-04-03 04:34:21,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_61 [2023-04-03 04:34:21,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_62 [2023-04-03 04:34:21,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_63 [2023-04-03 04:34:21,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_64 [2023-04-03 04:34:21,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_65 [2023-04-03 04:34:21,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_66 [2023-04-03 04:34:21,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_67 [2023-04-03 04:34:21,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_68 [2023-04-03 04:34:21,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_69 [2023-04-03 04:34:21,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_70 [2023-04-03 04:34:21,240 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_set_adapdata [2023-04-03 04:34:21,240 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_gpio_setscl [2023-04-03 04:34:21,240 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_gpio_setsda [2023-04-03 04:34:21,240 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_gpio_getscl [2023-04-03 04:34:21,240 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_gpio_getsda [2023-04-03 04:34:21,240 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_setup_i2c_bus [2023-04-03 04:34:21,240 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_create_i2c_busses [2023-04-03 04:34:21,240 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_delete_i2c_busses [2023-04-03 04:34:21,240 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_probe_i2c_connector [2023-04-03 04:34:21,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_81 [2023-04-03 04:34:21,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_82 [2023-04-03 04:34:21,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_83 [2023-04-03 04:34:21,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_84 [2023-04-03 04:34:21,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_85 [2023-04-03 04:34:21,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_86 [2023-04-03 04:34:21,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_87 [2023-04-03 04:34:21,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_88 [2023-04-03 04:34:21,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_89 [2023-04-03 04:34:21,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_90 [2023-04-03 04:34:21,241 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-04-03 04:34:21,241 INFO L138 BoogieDeclarations]: Found implementation of procedure backlight_update_status [2023-04-03 04:34:21,241 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_get_data [2023-04-03 04:34:21,241 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_bl_get_level_brightness [2023-04-03 04:34:21,241 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_bl_update_status [2023-04-03 04:34:21,242 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_bl_get_brightness [2023-04-03 04:34:21,242 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_bl_init [2023-04-03 04:34:21,242 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_bl_exit [2023-04-03 04:34:21,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_1 [2023-04-03 04:34:21,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_101 [2023-04-03 04:34:21,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_102 [2023-04-03 04:34:21,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_103 [2023-04-03 04:34:21,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_104 [2023-04-03 04:34:21,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_105 [2023-04-03 04:34:21,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_106 [2023-04-03 04:34:21,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_107 [2023-04-03 04:34:21,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_108 [2023-04-03 04:34:21,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_109 [2023-04-03 04:34:21,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_110 [2023-04-03 04:34:21,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-04-03 04:34:21,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-03 04:34:21,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2023-04-03 04:34:21,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2023-04-03 04:34:21,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2023-04-03 04:34:21,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2023-04-03 04:34:21,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2023-04-03 04:34:21,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2023-04-03 04:34:21,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2023-04-03 04:34:21,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2023-04-03 04:34:21,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2023-04-03 04:34:21,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2023-04-03 04:34:21,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2023-04-03 04:34:21,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2023-04-03 04:34:21,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2023-04-03 04:34:21,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2023-04-03 04:34:21,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2023-04-03 04:34:21,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_fb_info [2023-04-03 04:34:21,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock_of_fb_info [2023-04-03 04:34:21,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_fb_info [2023-04-03 04:34:21,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock_of_fb_info [2023-04-03 04:34:21,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock_of_fb_info [2023-04-03 04:34:21,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock_of_fb_info [2023-04-03 04:34:21,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_fb_info [2023-04-03 04:34:21,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2023-04-03 04:34:21,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2023-04-03 04:34:21,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2023-04-03 04:34:21,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2023-04-03 04:34:21,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2023-04-03 04:34:21,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2023-04-03 04:34:21,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2023-04-03 04:34:21,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_update_lock_of_backlight_device [2023-04-03 04:34:21,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_update_lock_of_backlight_device [2023-04-03 04:34:21,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_backlight_device [2023-04-03 04:34:21,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_update_lock_of_backlight_device [2023-04-03 04:34:21,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_update_lock_of_backlight_device [2023-04-03 04:34:21,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_update_lock_of_backlight_device [2023-04-03 04:34:21,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_backlight_device [2023-04-03 04:34:21,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-03 04:34:21,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-03 04:34:21,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-04-03 04:34:21,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-04-03 04:34:21,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-04-03 04:34:21,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_complete_power_transition [2023-04-03 04:34:21,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2023-04-03 04:34:21,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-04-03 04:34:21,247 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-04-03 04:34:21,249 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2023-04-03 04:34:21,250 INFO L138 BoogieDeclarations]: Found implementation of procedure backlight_device_register [2023-04-03 04:34:21,251 INFO L138 BoogieDeclarations]: Found implementation of procedure backlight_device_unregister [2023-04-03 04:34:21,251 INFO L138 BoogieDeclarations]: Found implementation of procedure cfb_copyarea [2023-04-03 04:34:21,251 INFO L138 BoogieDeclarations]: Found implementation of procedure cfb_fillrect [2023-04-03 04:34:21,251 INFO L138 BoogieDeclarations]: Found implementation of procedure cfb_imageblit [2023-04-03 04:34:21,251 INFO L138 BoogieDeclarations]: Found implementation of procedure console_lock [2023-04-03 04:34:21,251 INFO L138 BoogieDeclarations]: Found implementation of procedure console_trylock [2023-04-03 04:34:21,251 INFO L138 BoogieDeclarations]: Found implementation of procedure console_unlock [2023-04-03 04:34:21,251 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-04-03 04:34:21,251 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-04-03 04:34:21,251 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-04-03 04:34:21,251 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-04-03 04:34:21,251 INFO L138 BoogieDeclarations]: Found implementation of procedure do_gettimeofday [2023-04-03 04:34:21,251 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_add_videomode [2023-04-03 04:34:21,251 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_alloc_cmap [2023-04-03 04:34:21,251 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_bl_default_curve [2023-04-03 04:34:21,251 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_ddc_read [2023-04-03 04:34:21,251 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_dealloc_cmap [2023-04-03 04:34:21,252 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_destroy_modedb [2023-04-03 04:34:21,252 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_edid_to_monspecs [2023-04-03 04:34:21,252 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_find_mode [2023-04-03 04:34:21,252 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_pan_display [2023-04-03 04:34:21,252 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_parse_edid [2023-04-03 04:34:21,252 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_set_cmap [2023-04-03 04:34:21,252 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_set_suspend [2023-04-03 04:34:21,252 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_validate_mode [2023-04-03 04:34:21,252 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_var_to_videomode [2023-04-03 04:34:21,252 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_videomode_to_modelist [2023-04-03 04:34:21,252 INFO L138 BoogieDeclarations]: Found implementation of procedure framebuffer_alloc [2023-04-03 04:34:21,252 INFO L138 BoogieDeclarations]: Found implementation of procedure framebuffer_release [2023-04-03 04:34:21,252 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_bit_add_bus [2023-04-03 04:34:21,252 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_adapter [2023-04-03 04:34:21,252 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-04-03 04:34:21,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2023-04-03 04:34:21,252 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-04-03 04:34:21,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_edid1_attr_probe_4 [2023-04-03 04:34:21,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_edid1_attr_release_4 [2023-04-03 04:34:21,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_edid2_attr_probe_3 [2023-04-03 04:34:21,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_edid2_attr_release_3 [2023-04-03 04:34:21,253 INFO L138 BoogieDeclarations]: Found implementation of procedure memory_read_from_buffer [2023-04-03 04:34:21,253 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-04-03 04:34:21,253 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-04-03 04:34:21,253 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-04-03 04:34:21,253 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-04-03 04:34:21,253 INFO L138 BoogieDeclarations]: Found implementation of procedure mtrr_add [2023-04-03 04:34:21,253 INFO L138 BoogieDeclarations]: Found implementation of procedure mtrr_del [2023-04-03 04:34:21,253 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-04-03 04:34:21,253 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2023-04-03 04:34:21,253 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-04-03 04:34:21,253 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_word [2023-04-03 04:34:21,253 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_write_config_word [2023-04-03 04:34:21,253 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-04-03 04:34:21,253 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-04-03 04:34:21,254 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_capability [2023-04-03 04:34:21,254 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_rom [2023-04-03 04:34:21,254 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_region [2023-04-03 04:34:21,254 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_region [2023-04-03 04:34:21,254 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2023-04-03 04:34:21,254 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_rom [2023-04-03 04:34:21,254 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2023-04-03 04:34:21,254 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-03 04:34:21,254 INFO L138 BoogieDeclarations]: Found implementation of procedure register_framebuffer [2023-04-03 04:34:21,254 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-04-03 04:34:21,254 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_bin_file [2023-04-03 04:34:21,254 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_bin_file [2023-04-03 04:34:21,254 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2023-04-03 04:34:21,254 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2023-04-03 04:34:21,254 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_framebuffer [2023-04-03 04:34:21,254 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-03 04:34:21,255 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-03 04:34:21,255 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-04-03 04:34:21,255 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 04:34:21,255 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 04:34:21,255 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-03 04:34:21,255 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-03 04:34:21,255 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 04:34:21,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 04:34:21,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-03 04:34:21,255 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-03 04:34:21,255 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-04-03 04:34:21,255 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-04-03 04:34:21,255 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2023-04-03 04:34:21,255 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-04-03 04:34:21,255 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-04-03 04:34:21,255 INFO L130 BoogieDeclarations]: Found specification of procedure memory_read_from_buffer [2023-04-03 04:34:21,255 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2023-04-03 04:34:21,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 04:34:21,256 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_enable [2023-04-03 04:34:21,256 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2023-04-03 04:34:21,256 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2023-04-03 04:34:21,256 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2023-04-03 04:34:21,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_6 [2023-04-03 04:34:21,256 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-04-03 04:34:21,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2023-04-03 04:34:21,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_4 [2023-04-03 04:34:21,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2023-04-03 04:34:21,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2023-04-03 04:34:21,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_10 [2023-04-03 04:34:21,256 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-04-03 04:34:21,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2023-04-03 04:34:21,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2023-04-03 04:34:21,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_5 [2023-04-03 04:34:21,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2023-04-03 04:34:21,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2023-04-03 04:34:21,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2023-04-03 04:34:21,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2023-04-03 04:34:21,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2023-04-03 04:34:21,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_fb_info [2023-04-03 04:34:21,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2023-04-03 04:34:21,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2023-04-03 04:34:21,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2023-04-03 04:34:21,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_backlight_device [2023-04-03 04:34:21,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_backlight_device [2023-04-03 04:34:21,257 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 04:34:21,257 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-04-03 04:34:21,257 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-04-03 04:34:21,257 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2023-04-03 04:34:21,257 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-03 04:34:21,257 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-04-03 04:34:21,257 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2023-04-03 04:34:21,257 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-04-03 04:34:21,258 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-04-03 04:34:21,258 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-04-03 04:34:21,258 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-04-03 04:34:21,258 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2023-04-03 04:34:21,258 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2023-04-03 04:34:21,258 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-04-03 04:34:21,258 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2023-04-03 04:34:21,258 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-04-03 04:34:21,258 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2023-04-03 04:34:21,258 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2023-04-03 04:34:21,258 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-04-03 04:34:21,258 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_bin_file [2023-04-03 04:34:21,258 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_bin_file [2023-04-03 04:34:21,258 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2023-04-03 04:34:21,258 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-04-03 04:34:21,258 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-04-03 04:34:21,258 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-04-03 04:34:21,259 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-04-03 04:34:21,259 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-04-03 04:34:21,259 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-04-03 04:34:21,259 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_rom [2023-04-03 04:34:21,259 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_rom [2023-04-03 04:34:21,259 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_region [2023-04-03 04:34:21,259 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_region [2023-04-03 04:34:21,259 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2023-04-03 04:34:21,259 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2023-04-03 04:34:21,259 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-03 04:34:21,259 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-03 04:34:21,259 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 04:34:21,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-04-03 04:34:21,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-03 04:34:21,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 04:34:21,259 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-04-03 04:34:21,259 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-04-03 04:34:21,260 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-04-03 04:34:21,260 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2023-04-03 04:34:21,260 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-04-03 04:34:21,260 INFO L130 BoogieDeclarations]: Found specification of procedure register_framebuffer [2023-04-03 04:34:21,260 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_framebuffer [2023-04-03 04:34:21,260 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_alloc [2023-04-03 04:34:21,260 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_release [2023-04-03 04:34:21,260 INFO L130 BoogieDeclarations]: Found specification of procedure fb_destroy_modedb [2023-04-03 04:34:21,260 INFO L130 BoogieDeclarations]: Found specification of procedure fb_alloc_cmap [2023-04-03 04:34:21,260 INFO L130 BoogieDeclarations]: Found specification of procedure fb_dealloc_cmap [2023-04-03 04:34:21,260 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_msleep [2023-04-03 04:34:21,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 04:34:21,260 INFO L130 BoogieDeclarations]: Found specification of procedure _OUTREGP [2023-04-03 04:34:21,260 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pll_errata_after_index [2023-04-03 04:34:21,260 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pll_errata_after_data [2023-04-03 04:34:21,260 INFO L130 BoogieDeclarations]: Found specification of procedure __INPLL [2023-04-03 04:34:21,260 INFO L130 BoogieDeclarations]: Found specification of procedure __OUTPLL [2023-04-03 04:34:21,261 INFO L130 BoogieDeclarations]: Found specification of procedure __OUTPLLP [2023-04-03 04:34:21,261 INFO L130 BoogieDeclarations]: Found specification of procedure round_div [2023-04-03 04:34:21,261 INFO L130 BoogieDeclarations]: Found specification of procedure var_to_depth [2023-04-03 04:34:21,261 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_get_dstbpp [2023-04-03 04:34:21,261 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_fifo_wait [2023-04-03 04:34:21,261 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_engine_flush [2023-04-03 04:34:21,261 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_engine_idle [2023-04-03 04:34:21,261 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_create_i2c_busses [2023-04-03 04:34:21,261 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_delete_i2c_busses [2023-04-03 04:34:21,261 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_pci_suspend [2023-04-03 04:34:21,261 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_pci_resume [2023-04-03 04:34:21,261 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_pm_init [2023-04-03 04:34:21,261 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_pm_exit [2023-04-03 04:34:21,261 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_probe_screens [2023-04-03 04:34:21,261 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_check_modes [2023-04-03 04:34:21,261 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_match_mode [2023-04-03 04:34:21,261 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_fillrect [2023-04-03 04:34:21,261 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_copyarea [2023-04-03 04:34:21,262 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_imageblit [2023-04-03 04:34:21,262 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_sync [2023-04-03 04:34:21,262 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_engine_init [2023-04-03 04:34:21,262 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_screen_blank [2023-04-03 04:34:21,262 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_write_mode [2023-04-03 04:34:21,262 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_bl_init [2023-04-03 04:34:21,262 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_bl_exit [2023-04-03 04:34:21,262 INFO L130 BoogieDeclarations]: Found specification of procedure mtrr_add [2023-04-03 04:34:21,262 INFO L130 BoogieDeclarations]: Found specification of procedure mtrr_del [2023-04-03 04:34:21,262 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_unmap_ROM [2023-04-03 04:34:21,262 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_map_ROM [2023-04-03 04:34:21,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-03 04:34:21,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 04:34:21,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 04:34:21,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 04:34:21,262 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_find_mem_vbios [2023-04-03 04:34:21,262 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_probe_pll_params [2023-04-03 04:34:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_get_pllinfo [2023-04-03 04:34:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_check_var [2023-04-03 04:34:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-04-03 04:34:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_pan_display [2023-04-03 04:34:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_ioctl [2023-04-03 04:34:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_blank [2023-04-03 04:34:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_setcolreg [2023-04-03 04:34:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_setcolreg [2023-04-03 04:34:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_setcmap [2023-04-03 04:34:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_save_state [2023-04-03 04:34:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_write_pll_regs [2023-04-03 04:34:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_lvds_timer_func [2023-04-03 04:34:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_calc_pll_regs [2023-04-03 04:34:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_set_par [2023-04-03 04:34:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_set_fbinfo [2023-04-03 04:34:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_identify_vram [2023-04-03 04:34:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_show_one_edid [2023-04-03 04:34:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_show_edid1 [2023-04-03 04:34:21,264 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_show_edid2 [2023-04-03 04:34:21,264 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_pci_register [2023-04-03 04:34:21,264 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_pci_unregister [2023-04-03 04:34:21,264 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_init [2023-04-03 04:34:21,264 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_exit [2023-04-03 04:34:21,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_edid1_attr_release_4 [2023-04-03 04:34:21,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-03 04:34:21,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_edid2_attr_probe_3 [2023-04-03 04:34:21,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_edid1_attr_probe_4 [2023-04-03 04:34:21,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_edid2_attr_release_3 [2023-04-03 04:34:21,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-03 04:34:21,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_1 [2023-04-03 04:34:21,264 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 04:34:21,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_26 [2023-04-03 04:34:21,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_22 [2023-04-03 04:34:21,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_24 [2023-04-03 04:34:21,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_27 [2023-04-03 04:34:21,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_29 [2023-04-03 04:34:21,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_30 [2023-04-03 04:34:21,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_21 [2023-04-03 04:34:21,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_23 [2023-04-03 04:34:21,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_25 [2023-04-03 04:34:21,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_28 [2023-04-03 04:34:21,265 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_capability [2023-04-03 04:34:21,265 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_word [2023-04-03 04:34:21,265 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_write_config_word [2023-04-03 04:34:21,265 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2023-04-03 04:34:21,265 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2023-04-03 04:34:21,265 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-04-03 04:34:21,265 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2023-04-03 04:34:21,265 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_complete_power_transition [2023-04-03 04:34:21,265 INFO L130 BoogieDeclarations]: Found specification of procedure fb_pan_display [2023-04-03 04:34:21,265 INFO L130 BoogieDeclarations]: Found specification of procedure fb_set_suspend [2023-04-03 04:34:21,268 INFO L130 BoogieDeclarations]: Found specification of procedure fb_set_cmap [2023-04-03 04:34:21,268 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_engine_reset [2023-04-03 04:34:21,268 INFO L130 BoogieDeclarations]: Found specification of procedure console_lock [2023-04-03 04:34:21,268 INFO L130 BoogieDeclarations]: Found specification of procedure console_trylock [2023-04-03 04:34:21,268 INFO L130 BoogieDeclarations]: Found specification of procedure console_unlock [2023-04-03 04:34:21,268 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_reinitialize_M10 [2023-04-03 04:34:21,269 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_apply_workarounds [2023-04-03 04:34:21,269 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_disable_dynamic_mode [2023-04-03 04:34:21,269 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_enable_dynamic_mode [2023-04-03 04:34:21,269 INFO L130 BoogieDeclarations]: Found specification of procedure OUTMC [2023-04-03 04:34:21,269 INFO L130 BoogieDeclarations]: Found specification of procedure INMC [2023-04-03 04:34:21,269 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_save_regs [2023-04-03 04:34:21,269 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_restore_regs [2023-04-03 04:34:21,269 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_disable_iopad [2023-04-03 04:34:21,269 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_program_v2clk [2023-04-03 04:34:21,269 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_low_current [2023-04-03 04:34:21,269 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_setup_for_suspend [2023-04-03 04:34:21,269 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_yclk_mclk_sync [2023-04-03 04:34:21,269 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_yclk_mclk_sync_m10 [2023-04-03 04:34:21,269 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_program_mode_reg [2023-04-03 04:34:21,269 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_m10_program_mode_wait [2023-04-03 04:34:21,269 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_enable_dll [2023-04-03 04:34:21,269 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_enable_dll_m10 [2023-04-03 04:34:21,270 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_full_reset_sdram [2023-04-03 04:34:21,270 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_reset_pad_ctlr_strength [2023-04-03 04:34:21,270 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_all_ppls_off [2023-04-03 04:34:21,270 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_start_mclk_sclk [2023-04-03 04:34:21,270 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_m10_disable_spread_spectrum [2023-04-03 04:34:21,270 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_m10_enable_lvds_spread_spectrum [2023-04-03 04:34:21,270 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_restore_pixel_pll [2023-04-03 04:34:21,270 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_m10_reconfigure_mc [2023-04-03 04:34:21,270 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_whack_power_state [2023-04-03 04:34:21,270 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_set_suspend [2023-04-03 04:34:21,270 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_check_power_loss [2023-04-03 04:34:21,270 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-04-03 04:34:21,270 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-04-03 04:34:21,270 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2023-04-03 04:34:21,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_46 [2023-04-03 04:34:21,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_42 [2023-04-03 04:34:21,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_44 [2023-04-03 04:34:21,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_47 [2023-04-03 04:34:21,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_49 [2023-04-03 04:34:21,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_50 [2023-04-03 04:34:21,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_41 [2023-04-03 04:34:21,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_43 [2023-04-03 04:34:21,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_45 [2023-04-03 04:34:21,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_48 [2023-04-03 04:34:21,271 INFO L130 BoogieDeclarations]: Found specification of procedure fb_validate_mode [2023-04-03 04:34:21,271 INFO L130 BoogieDeclarations]: Found specification of procedure fb_parse_edid [2023-04-03 04:34:21,271 INFO L130 BoogieDeclarations]: Found specification of procedure fb_edid_to_monspecs [2023-04-03 04:34:21,271 INFO L130 BoogieDeclarations]: Found specification of procedure fb_var_to_videomode [2023-04-03 04:34:21,271 INFO L130 BoogieDeclarations]: Found specification of procedure fb_add_videomode [2023-04-03 04:34:21,271 INFO L130 BoogieDeclarations]: Found specification of procedure fb_videomode_to_modelist [2023-04-03 04:34:21,271 INFO L130 BoogieDeclarations]: Found specification of procedure fb_find_mode [2023-04-03 04:34:21,271 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_probe_i2c_connector [2023-04-03 04:34:21,271 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_get_mon_name [2023-04-03 04:34:21,271 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_get_panel_info_BIOS [2023-04-03 04:34:21,272 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_parse_connector_info [2023-04-03 04:34:21,272 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_crt_is_connected [2023-04-03 04:34:21,272 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_parse_monitor_layout [2023-04-03 04:34:21,272 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_fixup_panel_info [2023-04-03 04:34:21,272 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_var_to_panel_info [2023-04-03 04:34:21,272 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_videomode_to_var [2023-04-03 04:34:21,272 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_compare_modes [2023-04-03 04:34:21,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_66 [2023-04-03 04:34:21,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_62 [2023-04-03 04:34:21,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_64 [2023-04-03 04:34:21,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_67 [2023-04-03 04:34:21,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_69 [2023-04-03 04:34:21,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_70 [2023-04-03 04:34:21,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_61 [2023-04-03 04:34:21,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_63 [2023-04-03 04:34:21,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_65 [2023-04-03 04:34:21,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_68 [2023-04-03 04:34:21,273 INFO L130 BoogieDeclarations]: Found specification of procedure cfb_fillrect [2023-04-03 04:34:21,273 INFO L130 BoogieDeclarations]: Found specification of procedure cfb_copyarea [2023-04-03 04:34:21,273 INFO L130 BoogieDeclarations]: Found specification of procedure cfb_imageblit [2023-04-03 04:34:21,273 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_fixup_offset [2023-04-03 04:34:21,273 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_prim_fillrect [2023-04-03 04:34:21,273 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_prim_copyarea [2023-04-03 04:34:21,273 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-04-03 04:34:21,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_86 [2023-04-03 04:34:21,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_82 [2023-04-03 04:34:21,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_84 [2023-04-03 04:34:21,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_87 [2023-04-03 04:34:21,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_89 [2023-04-03 04:34:21,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_90 [2023-04-03 04:34:21,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_81 [2023-04-03 04:34:21,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_83 [2023-04-03 04:34:21,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_85 [2023-04-03 04:34:21,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_88 [2023-04-03 04:34:21,274 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-04-03 04:34:21,274 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_set_adapdata [2023-04-03 04:34:21,274 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_adapter [2023-04-03 04:34:21,274 INFO L130 BoogieDeclarations]: Found specification of procedure fb_ddc_read [2023-04-03 04:34:21,274 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_bit_add_bus [2023-04-03 04:34:21,274 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_gpio_setscl [2023-04-03 04:34:21,274 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_gpio_setsda [2023-04-03 04:34:21,274 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_gpio_getscl [2023-04-03 04:34:21,274 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_gpio_getsda [2023-04-03 04:34:21,274 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_setup_i2c_bus [2023-04-03 04:34:21,274 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-03 04:34:21,274 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-04-03 04:34:21,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_106 [2023-04-03 04:34:21,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_102 [2023-04-03 04:34:21,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_104 [2023-04-03 04:34:21,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_107 [2023-04-03 04:34:21,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_109 [2023-04-03 04:34:21,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_110 [2023-04-03 04:34:21,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_101 [2023-04-03 04:34:21,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_103 [2023-04-03 04:34:21,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_105 [2023-04-03 04:34:21,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_108 [2023-04-03 04:34:21,275 INFO L130 BoogieDeclarations]: Found specification of procedure backlight_update_status [2023-04-03 04:34:21,275 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-04-03 04:34:21,275 INFO L130 BoogieDeclarations]: Found specification of procedure backlight_device_register [2023-04-03 04:34:21,275 INFO L130 BoogieDeclarations]: Found specification of procedure backlight_device_unregister [2023-04-03 04:34:21,275 INFO L130 BoogieDeclarations]: Found specification of procedure bl_get_data [2023-04-03 04:34:21,275 INFO L130 BoogieDeclarations]: Found specification of procedure fb_bl_default_curve [2023-04-03 04:34:21,275 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_bl_get_level_brightness [2023-04-03 04:34:21,275 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_bl_update_status [2023-04-03 04:34:21,275 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_bl_get_brightness [2023-04-03 04:34:21,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-03 04:34:21,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-04-03 04:34:21,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2023-04-03 04:34:21,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2023-04-03 04:34:21,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2023-04-03 04:34:21,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2023-04-03 04:34:21,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2023-04-03 04:34:21,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2023-04-03 04:34:21,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2023-04-03 04:34:21,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2023-04-03 04:34:21,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2023-04-03 04:34:21,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2023-04-03 04:34:21,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2023-04-03 04:34:21,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_fb_info [2023-04-03 04:34:21,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock_of_fb_info [2023-04-03 04:34:21,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_fb_info [2023-04-03 04:34:21,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock_of_fb_info [2023-04-03 04:34:21,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock_of_fb_info [2023-04-03 04:34:21,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock_of_fb_info [2023-04-03 04:34:21,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2023-04-03 04:34:21,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2023-04-03 04:34:21,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2023-04-03 04:34:21,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2023-04-03 04:34:21,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_update_lock_of_backlight_device [2023-04-03 04:34:21,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_update_lock_of_backlight_device [2023-04-03 04:34:21,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_update_lock_of_backlight_device [2023-04-03 04:34:21,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_update_lock_of_backlight_device [2023-04-03 04:34:21,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_update_lock_of_backlight_device [2023-04-03 04:34:21,277 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-03 04:34:21,277 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2023-04-03 04:34:21,277 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 04:34:21,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 04:34:21,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 04:34:21,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-03 04:34:21,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 04:34:21,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-04-03 04:34:21,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-04-03 04:34:21,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-03 04:34:21,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-04-03 04:34:22,423 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 04:34:22,432 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 04:34:44,659 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 04:34:55,520 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 04:34:55,520 INFO L302 CfgBuilder]: Removed 41 assume(true) statements. [2023-04-03 04:34:55,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 04:34:55 BoogieIcfgContainer [2023-04-03 04:34:55,529 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 04:34:55,530 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 04:34:55,530 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 04:34:55,533 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 04:34:55,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 04:34:16" (1/3) ... [2023-04-03 04:34:55,534 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6825312d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 04:34:55, skipping insertion in model container [2023-04-03 04:34:55,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:34:20" (2/3) ... [2023-04-03 04:34:55,534 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6825312d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 04:34:55, skipping insertion in model container [2023-04-03 04:34:55,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 04:34:55" (3/3) ... [2023-04-03 04:34:55,535 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--video--aty--radeonfb.ko-main.cil.out.i [2023-04-03 04:34:55,552 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 04:34:55,552 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 04:34:55,670 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 04:34:55,676 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;@56486976, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 04:34:55,676 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 04:34:55,695 INFO L276 IsEmpty]: Start isEmpty. Operand has 4454 states, 2489 states have (on average 1.2141422257934913) internal successors, (3022), 2613 states have internal predecessors, (3022), 1686 states have call successors, (1686), 225 states have call predecessors, (1686), 225 states have return successors, (1686), 1670 states have call predecessors, (1686), 1686 states have call successors, (1686) [2023-04-03 04:34:55,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-04-03 04:34:55,709 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 04:34:55,710 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 04:34:55,710 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 04:34:55,714 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 04:34:55,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1945797456, now seen corresponding path program 1 times [2023-04-03 04:34:55,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 04:34:55,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808147519] [2023-04-03 04:34:55,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:34:55,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 04:34:56,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:34:56,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 04:34:56,816 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 04:34:56,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808147519] [2023-04-03 04:34:56,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808147519] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 04:34:56,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 04:34:56,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 04:34:56,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186302464] [2023-04-03 04:34:56,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 04:34:56,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 04:34:56,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 04:34:56,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 04:34:56,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:34:56,871 INFO L87 Difference]: Start difference. First operand has 4454 states, 2489 states have (on average 1.2141422257934913) internal successors, (3022), 2613 states have internal predecessors, (3022), 1686 states have call successors, (1686), 225 states have call predecessors, (1686), 225 states have return successors, (1686), 1670 states have call predecessors, (1686), 1686 states have call successors, (1686) Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-04-03 04:34:58,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:35:03,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 04:35:05,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 04:35:07,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 04:35:11,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:35:12,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:35:14,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:35:16,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:35:18,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:35:20,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:35:23,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 04:35:26,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 04:35:28,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 04:35:31,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 04:35:31,278 INFO L93 Difference]: Finished difference Result 12403 states and 18275 transitions. [2023-04-03 04:35:31,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 04:35:31,281 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 27 [2023-04-03 04:35:31,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 04:35:31,380 INFO L225 Difference]: With dead ends: 12403 [2023-04-03 04:35:31,380 INFO L226 Difference]: Without dead ends: 8178 [2023-04-03 04:35:31,428 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:35:31,431 INFO L413 NwaCegarLoop]: 5479 mSDtfsCounter, 5926 mSDsluCounter, 5383 mSDsCounter, 0 mSdLazyCounter, 1160 mSolverCounterSat, 3 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5926 SdHoareTripleChecker+Valid, 10862 SdHoareTripleChecker+Invalid, 1172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1160 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.8s IncrementalHoareTripleChecker+Time [2023-04-03 04:35:31,432 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5926 Valid, 10862 Invalid, 1172 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1160 Invalid, 9 Unknown, 0 Unchecked, 33.8s Time] [2023-04-03 04:35:31,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8178 states. [2023-04-03 04:35:32,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8178 to 8174. [2023-04-03 04:35:32,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8174 states, 4556 states have (on average 1.2146619841966637) internal successors, (5534), 4730 states have internal predecessors, (5534), 3179 states have call successors, (3179), 441 states have call predecessors, (3179), 438 states have return successors, (3170), 3138 states have call predecessors, (3170), 3170 states have call successors, (3170) [2023-04-03 04:35:32,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8174 states to 8174 states and 11883 transitions. [2023-04-03 04:35:32,482 INFO L78 Accepts]: Start accepts. Automaton has 8174 states and 11883 transitions. Word has length 27 [2023-04-03 04:35:32,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 04:35:32,483 INFO L495 AbstractCegarLoop]: Abstraction has 8174 states and 11883 transitions. [2023-04-03 04:35:32,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-04-03 04:35:32,484 INFO L276 IsEmpty]: Start isEmpty. Operand 8174 states and 11883 transitions. [2023-04-03 04:35:32,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-04-03 04:35:32,493 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 04:35:32,493 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 04:35:32,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 04:35:32,494 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 04:35:32,494 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 04:35:32,494 INFO L85 PathProgramCache]: Analyzing trace with hash -786016809, now seen corresponding path program 1 times [2023-04-03 04:35:32,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 04:35:32,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796267109] [2023-04-03 04:35:32,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:35:32,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 04:35:32,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:35:32,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 04:35:32,897 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 04:35:32,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796267109] [2023-04-03 04:35:32,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796267109] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 04:35:32,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 04:35:32,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 04:35:32,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987882933] [2023-04-03 04:35:32,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 04:35:32,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 04:35:32,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 04:35:32,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 04:35:32,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:35:32,902 INFO L87 Difference]: Start difference. First operand 8174 states and 11883 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-04-03 04:35:35,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:35:38,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 04:35:42,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:35:44,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:35:47,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 04:35:48,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 04:35:48,486 INFO L93 Difference]: Finished difference Result 8176 states and 11884 transitions. [2023-04-03 04:35:48,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 04:35:48,487 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 30 [2023-04-03 04:35:48,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 04:35:48,563 INFO L225 Difference]: With dead ends: 8176 [2023-04-03 04:35:48,563 INFO L226 Difference]: Without dead ends: 8173 [2023-04-03 04:35:48,575 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:35:48,576 INFO L413 NwaCegarLoop]: 5385 mSDtfsCounter, 5942 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 574 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5942 SdHoareTripleChecker+Valid, 5390 SdHoareTripleChecker+Invalid, 579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 574 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.2s IncrementalHoareTripleChecker+Time [2023-04-03 04:35:48,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5942 Valid, 5390 Invalid, 579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 574 Invalid, 5 Unknown, 0 Unchecked, 15.2s Time] [2023-04-03 04:35:48,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8173 states. [2023-04-03 04:35:49,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8173 to 8173. [2023-04-03 04:35:49,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8173 states, 4556 states have (on average 1.2144424934152767) internal successors, (5533), 4729 states have internal predecessors, (5533), 3178 states have call successors, (3178), 441 states have call predecessors, (3178), 438 states have return successors, (3170), 3138 states have call predecessors, (3170), 3170 states have call successors, (3170) [2023-04-03 04:35:49,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8173 states to 8173 states and 11881 transitions. [2023-04-03 04:35:49,542 INFO L78 Accepts]: Start accepts. Automaton has 8173 states and 11881 transitions. Word has length 30 [2023-04-03 04:35:49,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 04:35:49,542 INFO L495 AbstractCegarLoop]: Abstraction has 8173 states and 11881 transitions. [2023-04-03 04:35:49,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-04-03 04:35:49,542 INFO L276 IsEmpty]: Start isEmpty. Operand 8173 states and 11881 transitions. [2023-04-03 04:35:49,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-04-03 04:35:49,544 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 04:35:49,544 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 04:35:49,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 04:35:49,544 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 04:35:49,546 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 04:35:49,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1400188442, now seen corresponding path program 1 times [2023-04-03 04:35:49,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 04:35:49,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605698599] [2023-04-03 04:35:49,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:35:49,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 04:35:49,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:35:49,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 04:35:49,914 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 04:35:49,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605698599] [2023-04-03 04:35:49,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605698599] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 04:35:49,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 04:35:49,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 04:35:49,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806643883] [2023-04-03 04:35:49,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 04:35:49,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 04:35:49,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 04:35:49,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 04:35:49,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:35:49,917 INFO L87 Difference]: Start difference. First operand 8173 states and 11881 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-04-03 04:35:51,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:35:52,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 04:35:55,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 04:35:58,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:36:00,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:36:03,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 04:36:05,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 04:36:06,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 04:36:06,018 INFO L93 Difference]: Finished difference Result 8175 states and 11882 transitions. [2023-04-03 04:36:06,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 04:36:06,018 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 31 [2023-04-03 04:36:06,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 04:36:06,056 INFO L225 Difference]: With dead ends: 8175 [2023-04-03 04:36:06,056 INFO L226 Difference]: Without dead ends: 8172 [2023-04-03 04:36:06,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:36:06,060 INFO L413 NwaCegarLoop]: 5383 mSDtfsCounter, 5939 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 575 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5939 SdHoareTripleChecker+Valid, 5388 SdHoareTripleChecker+Invalid, 579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 575 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.7s IncrementalHoareTripleChecker+Time [2023-04-03 04:36:06,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5939 Valid, 5388 Invalid, 579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 575 Invalid, 4 Unknown, 0 Unchecked, 15.7s Time] [2023-04-03 04:36:06,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8172 states. [2023-04-03 04:36:06,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8172 to 8172. [2023-04-03 04:36:06,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8172 states, 4556 states have (on average 1.2142230026338894) internal successors, (5532), 4728 states have internal predecessors, (5532), 3177 states have call successors, (3177), 441 states have call predecessors, (3177), 438 states have return successors, (3170), 3138 states have call predecessors, (3170), 3170 states have call successors, (3170) [2023-04-03 04:36:06,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8172 states to 8172 states and 11879 transitions. [2023-04-03 04:36:06,721 INFO L78 Accepts]: Start accepts. Automaton has 8172 states and 11879 transitions. Word has length 31 [2023-04-03 04:36:06,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 04:36:06,721 INFO L495 AbstractCegarLoop]: Abstraction has 8172 states and 11879 transitions. [2023-04-03 04:36:06,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-04-03 04:36:06,721 INFO L276 IsEmpty]: Start isEmpty. Operand 8172 states and 11879 transitions. [2023-04-03 04:36:06,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-04-03 04:36:06,723 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 04:36:06,723 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 04:36:06,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 04:36:06,723 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 04:36:06,724 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 04:36:06,724 INFO L85 PathProgramCache]: Analyzing trace with hash 453079354, now seen corresponding path program 1 times [2023-04-03 04:36:06,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 04:36:06,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179139777] [2023-04-03 04:36:06,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:36:06,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 04:36:06,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:36:07,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 04:36:07,006 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 04:36:07,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179139777] [2023-04-03 04:36:07,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179139777] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 04:36:07,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 04:36:07,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 04:36:07,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249588715] [2023-04-03 04:36:07,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 04:36:07,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 04:36:07,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 04:36:07,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 04:36:07,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:36:07,007 INFO L87 Difference]: Start difference. First operand 8172 states and 11879 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-04-03 04:36:09,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 04:36:12,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 04:36:14,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:36:16,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:36:18,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 04:36:20,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 04:36:20,321 INFO L93 Difference]: Finished difference Result 8174 states and 11880 transitions. [2023-04-03 04:36:20,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 04:36:20,322 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 32 [2023-04-03 04:36:20,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 04:36:20,360 INFO L225 Difference]: With dead ends: 8174 [2023-04-03 04:36:20,360 INFO L226 Difference]: Without dead ends: 8171 [2023-04-03 04:36:20,366 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:36:20,367 INFO L413 NwaCegarLoop]: 5381 mSDtfsCounter, 5936 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 576 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5936 SdHoareTripleChecker+Valid, 5386 SdHoareTripleChecker+Invalid, 579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 576 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2023-04-03 04:36:20,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5936 Valid, 5386 Invalid, 579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 576 Invalid, 3 Unknown, 0 Unchecked, 13.1s Time] [2023-04-03 04:36:20,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8171 states. [2023-04-03 04:36:20,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8171 to 8171. [2023-04-03 04:36:20,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8171 states, 4556 states have (on average 1.214003511852502) internal successors, (5531), 4727 states have internal predecessors, (5531), 3176 states have call successors, (3176), 441 states have call predecessors, (3176), 438 states have return successors, (3170), 3138 states have call predecessors, (3170), 3170 states have call successors, (3170) [2023-04-03 04:36:20,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8171 states to 8171 states and 11877 transitions. [2023-04-03 04:36:20,998 INFO L78 Accepts]: Start accepts. Automaton has 8171 states and 11877 transitions. Word has length 32 [2023-04-03 04:36:20,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 04:36:20,999 INFO L495 AbstractCegarLoop]: Abstraction has 8171 states and 11877 transitions. [2023-04-03 04:36:20,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-04-03 04:36:20,999 INFO L276 IsEmpty]: Start isEmpty. Operand 8171 states and 11877 transitions. [2023-04-03 04:36:21,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-04-03 04:36:21,003 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 04:36:21,003 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 04:36:21,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 04:36:21,003 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 04:36:21,003 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 04:36:21,003 INFO L85 PathProgramCache]: Analyzing trace with hash 1157473565, now seen corresponding path program 1 times [2023-04-03 04:36:21,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 04:36:21,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63808370] [2023-04-03 04:36:21,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:36:21,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 04:36:21,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:36:21,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 04:36:21,249 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 04:36:21,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63808370] [2023-04-03 04:36:21,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63808370] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 04:36:21,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 04:36:21,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 04:36:21,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404645166] [2023-04-03 04:36:21,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 04:36:21,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 04:36:21,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 04:36:21,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 04:36:21,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:36:21,251 INFO L87 Difference]: Start difference. First operand 8171 states and 11877 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-04-03 04:36:23,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:36:26,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 04:36:29,485 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:36:31,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:36:34,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 04:36:35,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 04:36:36,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 04:36:36,591 INFO L93 Difference]: Finished difference Result 8173 states and 11878 transitions. [2023-04-03 04:36:36,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 04:36:36,591 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 33 [2023-04-03 04:36:36,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 04:36:36,628 INFO L225 Difference]: With dead ends: 8173 [2023-04-03 04:36:36,629 INFO L226 Difference]: Without dead ends: 8170 [2023-04-03 04:36:36,635 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:36:36,636 INFO L413 NwaCegarLoop]: 5379 mSDtfsCounter, 5933 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 575 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5933 SdHoareTripleChecker+Valid, 5384 SdHoareTripleChecker+Invalid, 579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 575 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.1s IncrementalHoareTripleChecker+Time [2023-04-03 04:36:36,636 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5933 Valid, 5384 Invalid, 579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 575 Invalid, 4 Unknown, 0 Unchecked, 15.1s Time] [2023-04-03 04:36:36,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8170 states. [2023-04-03 04:36:37,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8170 to 8170. [2023-04-03 04:36:37,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8170 states, 4556 states have (on average 1.213784021071115) internal successors, (5530), 4726 states have internal predecessors, (5530), 3175 states have call successors, (3175), 441 states have call predecessors, (3175), 438 states have return successors, (3170), 3138 states have call predecessors, (3170), 3170 states have call successors, (3170) [2023-04-03 04:36:37,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8170 states to 8170 states and 11875 transitions. [2023-04-03 04:36:37,307 INFO L78 Accepts]: Start accepts. Automaton has 8170 states and 11875 transitions. Word has length 33 [2023-04-03 04:36:37,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 04:36:37,309 INFO L495 AbstractCegarLoop]: Abstraction has 8170 states and 11875 transitions. [2023-04-03 04:36:37,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-04-03 04:36:37,309 INFO L276 IsEmpty]: Start isEmpty. Operand 8170 states and 11875 transitions. [2023-04-03 04:36:37,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-04-03 04:36:37,311 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 04:36:37,311 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 04:36:37,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 04:36:37,311 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 04:36:37,312 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 04:36:37,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1518862493, now seen corresponding path program 1 times [2023-04-03 04:36:37,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 04:36:37,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354398236] [2023-04-03 04:36:37,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:36:37,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 04:36:37,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:36:37,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 04:36:37,560 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 04:36:37,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354398236] [2023-04-03 04:36:37,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354398236] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 04:36:37,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 04:36:37,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 04:36:37,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957866103] [2023-04-03 04:36:37,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 04:36:37,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 04:36:37,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 04:36:37,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 04:36:37,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:36:37,561 INFO L87 Difference]: Start difference. First operand 8170 states and 11875 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-04-03 04:36:39,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:36:42,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 04:36:45,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:36:47,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:36:50,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 04:36:52,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 04:36:54,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 04:36:56,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 04:36:58,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 04:37:01,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:37:03,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:37:04,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 04:37:04,176 INFO L93 Difference]: Finished difference Result 12742 states and 18578 transitions. [2023-04-03 04:37:04,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 04:37:04,177 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 34 [2023-04-03 04:37:04,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 04:37:04,240 INFO L225 Difference]: With dead ends: 12742 [2023-04-03 04:37:04,240 INFO L226 Difference]: Without dead ends: 12725 [2023-04-03 04:37:04,251 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:37:04,252 INFO L413 NwaCegarLoop]: 5375 mSDtfsCounter, 5863 mSDsluCounter, 3097 mSDsCounter, 0 mSdLazyCounter, 896 mSolverCounterSat, 2 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5863 SdHoareTripleChecker+Valid, 8472 SdHoareTripleChecker+Invalid, 906 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 896 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.1s IncrementalHoareTripleChecker+Time [2023-04-03 04:37:04,252 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5863 Valid, 8472 Invalid, 906 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 896 Invalid, 8 Unknown, 0 Unchecked, 26.1s Time] [2023-04-03 04:37:04,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12725 states. [2023-04-03 04:37:05,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12725 to 12725. [2023-04-03 04:37:05,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12725 states, 6904 states have (on average 1.1917728852838934) internal successors, (8228), 7200 states have internal predecessors, (8228), 5166 states have call successors, (5166), 656 states have call predecessors, (5166), 654 states have return successors, (5164), 5102 states have call predecessors, (5164), 5164 states have call successors, (5164) [2023-04-03 04:37:05,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12725 states to 12725 states and 18558 transitions. [2023-04-03 04:37:05,898 INFO L78 Accepts]: Start accepts. Automaton has 12725 states and 18558 transitions. Word has length 34 [2023-04-03 04:37:05,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 04:37:05,898 INFO L495 AbstractCegarLoop]: Abstraction has 12725 states and 18558 transitions. [2023-04-03 04:37:05,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-04-03 04:37:05,899 INFO L276 IsEmpty]: Start isEmpty. Operand 12725 states and 18558 transitions. [2023-04-03 04:37:05,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 816 [2023-04-03 04:37:05,963 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 04:37:05,965 INFO L195 NwaCegarLoop]: trace histogram [45, 8, 7, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 04:37:05,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-03 04:37:05,965 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 04:37:05,965 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 04:37:05,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1436884346, now seen corresponding path program 1 times [2023-04-03 04:37:05,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 04:37:05,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074427540] [2023-04-03 04:37:05,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:37:05,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 04:37:06,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:37:07,403 INFO L134 CoverageAnalysis]: Checked inductivity of 2552 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2552 trivial. 0 not checked. [2023-04-03 04:37:07,403 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 04:37:07,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074427540] [2023-04-03 04:37:07,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074427540] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 04:37:07,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 04:37:07,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 04:37:07,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898907144] [2023-04-03 04:37:07,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 04:37:07,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 04:37:07,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 04:37:07,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 04:37:07,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:37:07,408 INFO L87 Difference]: Start difference. First operand 12725 states and 18558 transitions. Second operand has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 3 states have internal predecessors, (281), 2 states have call successors, (125), 2 states have call predecessors, (125), 1 states have return successors, (118), 2 states have call predecessors, (118), 2 states have call successors, (118) [2023-04-03 04:37:09,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:37:16,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 04:37:18,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 04:37:20,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 04:37:23,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:37:26,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:37:28,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:37:30,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:37:32,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:37:35,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 04:37:38,116 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 04:37:40,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 04:37:41,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 04:37:41,810 INFO L93 Difference]: Finished difference Result 21219 states and 30853 transitions. [2023-04-03 04:37:41,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 04:37:41,811 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 3 states have internal predecessors, (281), 2 states have call successors, (125), 2 states have call predecessors, (125), 1 states have return successors, (118), 2 states have call predecessors, (118), 2 states have call successors, (118) Word has length 815 [2023-04-03 04:37:41,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 04:37:41,847 INFO L225 Difference]: With dead ends: 21219 [2023-04-03 04:37:41,847 INFO L226 Difference]: Without dead ends: 8503 [2023-04-03 04:37:41,902 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:37:41,902 INFO L413 NwaCegarLoop]: 5728 mSDtfsCounter, 1510 mSDsluCounter, 5343 mSDsCounter, 0 mSdLazyCounter, 1195 mSolverCounterSat, 2 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1510 SdHoareTripleChecker+Valid, 11071 SdHoareTripleChecker+Invalid, 1208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1195 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.8s IncrementalHoareTripleChecker+Time [2023-04-03 04:37:41,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1510 Valid, 11071 Invalid, 1208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1195 Invalid, 11 Unknown, 0 Unchecked, 33.8s Time] [2023-04-03 04:37:41,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8503 states. [2023-04-03 04:37:42,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8503 to 8495. [2023-04-03 04:37:42,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8495 states, 4749 states have (on average 1.217098336491893) internal successors, (5780), 4931 states have internal predecessors, (5780), 3258 states have call successors, (3258), 489 states have call predecessors, (3258), 487 states have return successors, (3256), 3219 states have call predecessors, (3256), 3256 states have call successors, (3256) [2023-04-03 04:37:42,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8495 states to 8495 states and 12294 transitions. [2023-04-03 04:37:42,642 INFO L78 Accepts]: Start accepts. Automaton has 8495 states and 12294 transitions. Word has length 815 [2023-04-03 04:37:42,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 04:37:42,642 INFO L495 AbstractCegarLoop]: Abstraction has 8495 states and 12294 transitions. [2023-04-03 04:37:42,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 3 states have internal predecessors, (281), 2 states have call successors, (125), 2 states have call predecessors, (125), 1 states have return successors, (118), 2 states have call predecessors, (118), 2 states have call successors, (118) [2023-04-03 04:37:42,643 INFO L276 IsEmpty]: Start isEmpty. Operand 8495 states and 12294 transitions. [2023-04-03 04:37:42,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 833 [2023-04-03 04:37:42,694 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 04:37:42,695 INFO L195 NwaCegarLoop]: trace histogram [45, 8, 7, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 04:37:42,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-03 04:37:42,696 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 04:37:42,696 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 04:37:42,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1926270644, now seen corresponding path program 1 times [2023-04-03 04:37:42,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 04:37:42,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159075162] [2023-04-03 04:37:42,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:37:42,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 04:37:43,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:37:44,395 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2556 trivial. 0 not checked. [2023-04-03 04:37:44,396 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 04:37:44,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159075162] [2023-04-03 04:37:44,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159075162] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 04:37:44,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 04:37:44,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 04:37:44,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858917361] [2023-04-03 04:37:44,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 04:37:44,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 04:37:44,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 04:37:44,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 04:37:44,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:37:44,400 INFO L87 Difference]: Start difference. First operand 8495 states and 12294 transitions. Second operand has 3 states, 3 states have (on average 97.0) internal successors, (291), 3 states have internal predecessors, (291), 2 states have call successors, (127), 2 states have call predecessors, (127), 2 states have return successors, (120), 2 states have call predecessors, (120), 2 states have call successors, (120) [2023-04-03 04:37:46,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:37:48,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 04:37:51,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 04:37:53,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 04:37:55,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 04:37:57,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 04:38:00,257 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:38:02,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:38:04,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:38:06,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:38:08,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []