/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--lm78.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 07:36:28,240 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 07:36:28,241 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 07:36:28,267 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 07:36:28,268 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 07:36:28,268 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 07:36:28,269 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 07:36:28,270 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 07:36:28,271 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 07:36:28,272 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 07:36:28,274 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 07:36:28,277 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 07:36:28,277 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 07:36:28,281 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 07:36:28,282 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 07:36:28,284 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 07:36:28,284 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 07:36:28,286 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 07:36:28,287 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 07:36:28,294 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 07:36:28,294 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 07:36:28,298 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 07:36:28,299 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 07:36:28,299 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 07:36:28,301 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 07:36:28,301 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 07:36:28,301 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 07:36:28,302 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 07:36:28,302 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 07:36:28,302 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 07:36:28,302 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 07:36:28,303 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 07:36:28,303 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 07:36:28,304 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 07:36:28,304 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 07:36:28,304 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 07:36:28,305 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 07:36:28,305 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 07:36:28,305 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 07:36:28,305 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 07:36:28,306 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 07:36:28,310 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-01 07:36:28,334 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 07:36:28,334 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 07:36:28,334 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 07:36:28,334 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 07:36:28,335 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 07:36:28,335 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 07:36:28,335 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 07:36:28,335 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 07:36:28,335 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 07:36:28,335 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 07:36:28,336 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 07:36:28,336 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 07:36:28,336 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 07:36:28,336 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 07:36:28,336 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 07:36:28,336 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 07:36:28,337 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 07:36:28,337 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 07:36:28,337 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 07:36:28,337 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 07:36:28,337 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 07:36:28,337 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 07:36:28,337 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 07:36:28,337 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 07:36:28,338 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 07:36:28,338 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 07:36:28,338 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 07:36:28,338 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 07:36:28,338 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 07:36:28,338 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 07:36:28,338 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 07:36:28,338 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 07:36:28,339 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 07:36:28,339 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 07:36:28,339 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 07:36:28,339 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 07:36:28,339 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 07:36:28,339 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 07:36:28,339 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 07:36:28,339 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 07:36:28,339 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 07:36:28,339 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-01 07:36:28,509 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 07:36:28,530 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 07:36:28,532 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 07:36:28,533 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 07:36:28,534 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 07:36:28,535 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--lm78.ko-entry_point.cil.out.i [2023-04-01 07:36:29,423 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 07:36:29,820 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 07:36:29,820 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--lm78.ko-entry_point.cil.out.i [2023-04-01 07:36:29,854 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/019345f9c/17f982df76a846daac94409a83466537/FLAGcc6605645 [2023-04-01 07:36:29,866 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/019345f9c/17f982df76a846daac94409a83466537 [2023-04-01 07:36:29,867 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 07:36:29,868 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 07:36:29,869 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 07:36:29,869 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 07:36:29,871 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 07:36:29,872 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 07:36:29" (1/1) ... [2023-04-01 07:36:29,872 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ebdab71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:36:29, skipping insertion in model container [2023-04-01 07:36:29,872 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 07:36:29" (1/1) ... [2023-04-01 07:36:29,876 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 07:36:29,929 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 07:36:30,759 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--lm78.ko-entry_point.cil.out.i[173663,173676] [2023-04-01 07:36:30,798 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 07:36:30,866 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 07:36:31,078 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--lm78.ko-entry_point.cil.out.i[173663,173676] [2023-04-01 07:36:31,089 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 07:36:31,209 WARN L667 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-04-01 07:36:31,214 INFO L208 MainTranslator]: Completed translation [2023-04-01 07:36:31,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:36:31 WrapperNode [2023-04-01 07:36:31,215 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 07:36:31,215 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 07:36:31,215 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 07:36:31,216 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 07:36:31,224 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:36:31" (1/1) ... [2023-04-01 07:36:31,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:36:31" (1/1) ... [2023-04-01 07:36:31,298 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:36:31" (1/1) ... [2023-04-01 07:36:31,298 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:36:31" (1/1) ... [2023-04-01 07:36:31,379 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:36:31" (1/1) ... [2023-04-01 07:36:31,397 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:36:31" (1/1) ... [2023-04-01 07:36:31,414 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:36:31" (1/1) ... [2023-04-01 07:36:31,431 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:36:31" (1/1) ... [2023-04-01 07:36:31,453 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 07:36:31,454 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 07:36:31,454 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 07:36:31,455 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 07:36:31,457 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:36:31" (1/1) ... [2023-04-01 07:36:31,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 07:36:31,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 07:36:31,514 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-01 07:36:31,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-01 07:36:31,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 07:36:31,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 07:36:31,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~u32~0 [2023-04-01 07:36:31,568 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 07:36:31,568 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2023-04-01 07:36:31,568 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtol [2023-04-01 07:36:31,569 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR_OR_ZERO [2023-04-01 07:36:31,569 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-01 07:36:31,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-01 07:36:31,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-01 07:36:31,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-04-01 07:36:31,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-04-01 07:36:31,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-01 07:36:31,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-01 07:36:31,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-01 07:36:31,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-01 07:36:31,570 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2023-04-01 07:36:31,570 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-04-01 07:36:31,570 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_functionality [2023-04-01 07:36:31,570 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_check_functionality [2023-04-01 07:36:31,570 INFO L138 BoogieDeclarations]: Found implementation of procedure IN_TO_REG [2023-04-01 07:36:31,570 INFO L138 BoogieDeclarations]: Found implementation of procedure FAN_TO_REG [2023-04-01 07:36:31,570 INFO L138 BoogieDeclarations]: Found implementation of procedure FAN_FROM_REG [2023-04-01 07:36:31,570 INFO L138 BoogieDeclarations]: Found implementation of procedure TEMP_TO_REG [2023-04-01 07:36:31,570 INFO L138 BoogieDeclarations]: Found implementation of procedure TEMP_FROM_REG [2023-04-01 07:36:31,570 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in [2023-04-01 07:36:31,570 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in_min [2023-04-01 07:36:31,570 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in_max [2023-04-01 07:36:31,570 INFO L138 BoogieDeclarations]: Found implementation of procedure set_in_min [2023-04-01 07:36:31,570 INFO L138 BoogieDeclarations]: Found implementation of procedure set_in_max [2023-04-01 07:36:31,571 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp [2023-04-01 07:36:31,571 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp_over [2023-04-01 07:36:31,571 INFO L138 BoogieDeclarations]: Found implementation of procedure set_temp_over [2023-04-01 07:36:31,571 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp_hyst [2023-04-01 07:36:31,571 INFO L138 BoogieDeclarations]: Found implementation of procedure set_temp_hyst [2023-04-01 07:36:31,571 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan [2023-04-01 07:36:31,571 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan_min [2023-04-01 07:36:31,571 INFO L138 BoogieDeclarations]: Found implementation of procedure set_fan_min [2023-04-01 07:36:31,571 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan_div [2023-04-01 07:36:31,571 INFO L138 BoogieDeclarations]: Found implementation of procedure set_fan_div [2023-04-01 07:36:31,571 INFO L138 BoogieDeclarations]: Found implementation of procedure show_vid [2023-04-01 07:36:31,571 INFO L138 BoogieDeclarations]: Found implementation of procedure show_alarms [2023-04-01 07:36:31,572 INFO L138 BoogieDeclarations]: Found implementation of procedure show_alarm [2023-04-01 07:36:31,572 INFO L138 BoogieDeclarations]: Found implementation of procedure lm78_alias_detect [2023-04-01 07:36:31,572 INFO L138 BoogieDeclarations]: Found implementation of procedure lm78_data_if_isa [2023-04-01 07:36:31,572 INFO L138 BoogieDeclarations]: Found implementation of procedure lm78_i2c_detect [2023-04-01 07:36:31,572 INFO L138 BoogieDeclarations]: Found implementation of procedure lm78_i2c_probe [2023-04-01 07:36:31,573 INFO L138 BoogieDeclarations]: Found implementation of procedure lm78_read_value [2023-04-01 07:36:31,573 INFO L138 BoogieDeclarations]: Found implementation of procedure lm78_write_value [2023-04-01 07:36:31,573 INFO L138 BoogieDeclarations]: Found implementation of procedure lm78_init_device [2023-04-01 07:36:31,573 INFO L138 BoogieDeclarations]: Found implementation of procedure lm78_update_device [2023-04-01 07:36:31,573 INFO L138 BoogieDeclarations]: Found implementation of procedure lm78_isa_register [2023-04-01 07:36:31,573 INFO L138 BoogieDeclarations]: Found implementation of procedure lm78_isa_unregister [2023-04-01 07:36:31,573 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_lm78_init [2023-04-01 07:36:31,574 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_lm78_exit [2023-04-01 07:36:31,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_i2c_driver_1 [2023-04-01 07:36:31,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_sensor_device_attribute_40 [2023-04-01 07:36:31,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_sensor_device_attribute_46 [2023-04-01 07:36:31,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_sensor_device_attribute_36 [2023-04-01 07:36:31,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_sensor_device_attribute_39 [2023-04-01 07:36:31,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_sensor_device_attribute_27 [2023-04-01 07:36:31,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_sensor_device_attribute_34 [2023-04-01 07:36:31,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_sensor_device_attribute_31 [2023-04-01 07:36:31,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_sensor_device_attribute_18 [2023-04-01 07:36:31,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_sensor_device_attribute_30 [2023-04-01 07:36:31,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_sensor_device_attribute_28 [2023-04-01 07:36:31,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_device_attribute_25 [2023-04-01 07:36:31,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_sensor_device_attribute_42 [2023-04-01 07:36:31,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_device_attribute_24 [2023-04-01 07:36:31,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_sensor_device_attribute_45 [2023-04-01 07:36:31,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_sensor_device_attribute_20 [2023-04-01 07:36:31,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_sensor_device_attribute_43 [2023-04-01 07:36:31,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_sensor_device_attribute_22 [2023-04-01 07:36:31,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_sensor_device_attribute_37 [2023-04-01 07:36:31,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_sensor_device_attribute_17 [2023-04-01 07:36:31,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_sensor_device_attribute_33 [2023-04-01 07:36:31,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_sensor_device_attribute_16 [2023-04-01 07:36:31,575 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 07:36:31,575 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-04-01 07:36:31,575 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-04-01 07:36:31,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_5 [2023-04-01 07:36:31,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_6 [2023-04-01 07:36:31,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_7 [2023-04-01 07:36:31,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_8 [2023-04-01 07:36:31,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2023-04-01 07:36:31,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2023-04-01 07:36:31,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2023-04-01 07:36:31,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_12 [2023-04-01 07:36:31,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_13 [2023-04-01 07:36:31,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_14 [2023-04-01 07:36:31,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_15 [2023-04-01 07:36:31,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_16 [2023-04-01 07:36:31,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_17 [2023-04-01 07:36:31,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_18 [2023-04-01 07:36:31,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_19 [2023-04-01 07:36:31,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_20 [2023-04-01 07:36:31,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_21 [2023-04-01 07:36:31,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_22 [2023-04-01 07:36:31,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_23 [2023-04-01 07:36:31,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_24 [2023-04-01 07:36:31,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_25 [2023-04-01 07:36:31,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_26 [2023-04-01 07:36:31,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_27 [2023-04-01 07:36:31,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-04-01 07:36:31,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2023-04-01 07:36:31,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-04-01 07:36:31,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2023-04-01 07:36:31,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2023-04-01 07:36:31,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2023-04-01 07:36:31,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2023-04-01 07:36:31,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2023-04-01 07:36:31,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2023-04-01 07:36:31,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2023-04-01 07:36:31,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2023-04-01 07:36:31,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2023-04-01 07:36:31,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2023-04-01 07:36:31,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2023-04-01 07:36:31,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2023-04-01 07:36:31,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2023-04-01 07:36:31,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2023-04-01 07:36:31,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2023-04-01 07:36:31,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2023-04-01 07:36:31,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2023-04-01 07:36:31,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2023-04-01 07:36:31,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2023-04-01 07:36:31,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2023-04-01 07:36:31,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2023-04-01 07:36:31,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2023-04-01 07:36:31,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2023-04-01 07:36:31,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2023-04-01 07:36:31,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2023-04-01 07:36:31,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_update_lock_of_lm78_data [2023-04-01 07:36:31,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_update_lock_of_lm78_data [2023-04-01 07:36:31,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_lm78_data [2023-04-01 07:36:31,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_update_lock_of_lm78_data [2023-04-01 07:36:31,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_update_lock_of_lm78_data [2023-04-01 07:36:31,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_update_lock_of_lm78_data [2023-04-01 07:36:31,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_lm78_data [2023-04-01 07:36:31,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_update_lock_of_lm78_data [2023-04-01 07:36:31,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_update_lock_of_lm78_data [2023-04-01 07:36:31,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_update_lock_of_lm78_data [2023-04-01 07:36:31,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_update_lock_of_lm78_data [2023-04-01 07:36:31,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-01 07:36:31,627 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-04-01 07:36:31,627 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-04-01 07:36:31,627 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-04-01 07:36:31,627 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_hwmon_device_register_with_groups [2023-04-01 07:36:31,627 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kmalloc [2023-04-01 07:36:31,627 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_driver [2023-04-01 07:36:31,627 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_register_driver [2023-04-01 07:36:31,627 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_byte_data [2023-04-01 07:36:31,627 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_write_byte_data [2023-04-01 07:36:31,627 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoll [2023-04-01 07:36:31,627 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoull [2023-04-01 07:36:31,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-01 07:36:31,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_1 [2023-04-01 07:36:31,627 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-04-01 07:36:31,627 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2023-04-01 07:36:31,628 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-04-01 07:36:31,628 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-04-01 07:36:31,628 INFO L138 BoogieDeclarations]: Found implementation of procedure vid_from_reg [2023-04-01 07:36:31,628 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-01 07:36:31,628 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-01 07:36:31,628 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-01 07:36:31,628 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 07:36:31,628 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 07:36:31,628 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-01 07:36:31,628 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-01 07:36:31,628 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 07:36:31,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 07:36:31,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-01 07:36:31,628 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-04-01 07:36:31,630 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoull [2023-04-01 07:36:31,630 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoll [2023-04-01 07:36:31,630 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2023-04-01 07:36:31,630 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtol [2023-04-01 07:36:31,630 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-04-01 07:36:31,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-04-01 07:36:31,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2023-04-01 07:36:31,631 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-01 07:36:31,631 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-04-01 07:36:31,631 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-04-01 07:36:31,631 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-04-01 07:36:31,631 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR_OR_ZERO [2023-04-01 07:36:31,631 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-04-01 07:36:31,631 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2023-04-01 07:36:31,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_8 [2023-04-01 07:36:31,631 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-04-01 07:36:31,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_6 [2023-04-01 07:36:31,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2023-04-01 07:36:31,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2023-04-01 07:36:31,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_13 [2023-04-01 07:36:31,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_15 [2023-04-01 07:36:31,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_17 [2023-04-01 07:36:31,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_19 [2023-04-01 07:36:31,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_21 [2023-04-01 07:36:31,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_22 [2023-04-01 07:36:31,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_24 [2023-04-01 07:36:31,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_25 [2023-04-01 07:36:31,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_27 [2023-04-01 07:36:31,632 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 07:36:31,632 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-01 07:36:31,632 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 07:36:31,632 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-01 07:36:31,632 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-01 07:36:31,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-01 07:36:31,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 07:36:31,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-01 07:36:31,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-01 07:36:31,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-04-01 07:36:31,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-04-01 07:36:31,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-01 07:36:31,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-01 07:36:31,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-01 07:36:31,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-01 07:36:31,633 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-04-01 07:36:31,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_5 [2023-04-01 07:36:31,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_7 [2023-04-01 07:36:31,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2023-04-01 07:36:31,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_12 [2023-04-01 07:36:31,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_14 [2023-04-01 07:36:31,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_16 [2023-04-01 07:36:31,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_18 [2023-04-01 07:36:31,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_20 [2023-04-01 07:36:31,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_23 [2023-04-01 07:36:31,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_26 [2023-04-01 07:36:31,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2023-04-01 07:36:31,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2023-04-01 07:36:31,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2023-04-01 07:36:31,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2023-04-01 07:36:31,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2023-04-01 07:36:31,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_lm78_data [2023-04-01 07:36:31,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_lm78_data [2023-04-01 07:36:31,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_i2c_driver_1 [2023-04-01 07:36:31,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_sensor_device_attribute_40 [2023-04-01 07:36:31,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_sensor_device_attribute_46 [2023-04-01 07:36:31,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_sensor_device_attribute_36 [2023-04-01 07:36:31,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_sensor_device_attribute_39 [2023-04-01 07:36:31,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_sensor_device_attribute_27 [2023-04-01 07:36:31,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_sensor_device_attribute_34 [2023-04-01 07:36:31,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_sensor_device_attribute_31 [2023-04-01 07:36:31,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_sensor_device_attribute_18 [2023-04-01 07:36:31,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_sensor_device_attribute_30 [2023-04-01 07:36:31,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_sensor_device_attribute_28 [2023-04-01 07:36:31,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_device_attribute_25 [2023-04-01 07:36:31,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_sensor_device_attribute_42 [2023-04-01 07:36:31,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_device_attribute_24 [2023-04-01 07:36:31,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_sensor_device_attribute_45 [2023-04-01 07:36:31,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_sensor_device_attribute_20 [2023-04-01 07:36:31,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_sensor_device_attribute_43 [2023-04-01 07:36:31,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_sensor_device_attribute_22 [2023-04-01 07:36:31,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_sensor_device_attribute_37 [2023-04-01 07:36:31,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_sensor_device_attribute_17 [2023-04-01 07:36:31,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_sensor_device_attribute_33 [2023-04-01 07:36:31,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_sensor_device_attribute_16 [2023-04-01 07:36:31,641 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kmalloc [2023-04-01 07:36:31,641 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2023-04-01 07:36:31,641 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-04-01 07:36:31,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 07:36:31,641 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-04-01 07:36:31,641 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_byte_data [2023-04-01 07:36:31,641 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_write_byte_data [2023-04-01 07:36:31,641 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_register_driver [2023-04-01 07:36:31,641 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_driver [2023-04-01 07:36:31,641 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_functionality [2023-04-01 07:36:31,641 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~u32~0 [2023-04-01 07:36:31,641 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_check_functionality [2023-04-01 07:36:31,641 INFO L130 BoogieDeclarations]: Found specification of procedure devm_hwmon_device_register_with_groups [2023-04-01 07:36:31,641 INFO L130 BoogieDeclarations]: Found specification of procedure vid_from_reg [2023-04-01 07:36:31,642 INFO L130 BoogieDeclarations]: Found specification of procedure IN_TO_REG [2023-04-01 07:36:31,642 INFO L130 BoogieDeclarations]: Found specification of procedure FAN_TO_REG [2023-04-01 07:36:31,642 INFO L130 BoogieDeclarations]: Found specification of procedure FAN_FROM_REG [2023-04-01 07:36:31,642 INFO L130 BoogieDeclarations]: Found specification of procedure TEMP_TO_REG [2023-04-01 07:36:31,642 INFO L130 BoogieDeclarations]: Found specification of procedure TEMP_FROM_REG [2023-04-01 07:36:31,642 INFO L130 BoogieDeclarations]: Found specification of procedure lm78_read_value [2023-04-01 07:36:31,642 INFO L130 BoogieDeclarations]: Found specification of procedure lm78_write_value [2023-04-01 07:36:31,642 INFO L130 BoogieDeclarations]: Found specification of procedure lm78_update_device [2023-04-01 07:36:31,642 INFO L130 BoogieDeclarations]: Found specification of procedure lm78_init_device [2023-04-01 07:36:31,642 INFO L130 BoogieDeclarations]: Found specification of procedure show_in [2023-04-01 07:36:31,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 07:36:31,642 INFO L130 BoogieDeclarations]: Found specification of procedure show_in_min [2023-04-01 07:36:31,642 INFO L130 BoogieDeclarations]: Found specification of procedure show_in_max [2023-04-01 07:36:31,642 INFO L130 BoogieDeclarations]: Found specification of procedure set_in_min [2023-04-01 07:36:31,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-01 07:36:31,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 07:36:31,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 07:36:31,642 INFO L130 BoogieDeclarations]: Found specification of procedure set_in_max [2023-04-01 07:36:31,642 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp [2023-04-01 07:36:31,642 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp_over [2023-04-01 07:36:31,642 INFO L130 BoogieDeclarations]: Found specification of procedure set_temp_over [2023-04-01 07:36:31,643 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp_hyst [2023-04-01 07:36:31,643 INFO L130 BoogieDeclarations]: Found specification of procedure set_temp_hyst [2023-04-01 07:36:31,643 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan [2023-04-01 07:36:31,643 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan_min [2023-04-01 07:36:31,643 INFO L130 BoogieDeclarations]: Found specification of procedure set_fan_min [2023-04-01 07:36:31,643 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan_div [2023-04-01 07:36:31,643 INFO L130 BoogieDeclarations]: Found specification of procedure set_fan_div [2023-04-01 07:36:31,643 INFO L130 BoogieDeclarations]: Found specification of procedure show_vid [2023-04-01 07:36:31,643 INFO L130 BoogieDeclarations]: Found specification of procedure show_alarms [2023-04-01 07:36:31,643 INFO L130 BoogieDeclarations]: Found specification of procedure show_alarm [2023-04-01 07:36:31,643 INFO L130 BoogieDeclarations]: Found specification of procedure lm78_alias_detect [2023-04-01 07:36:31,643 INFO L130 BoogieDeclarations]: Found specification of procedure lm78_data_if_isa [2023-04-01 07:36:31,643 INFO L130 BoogieDeclarations]: Found specification of procedure lm78_i2c_detect [2023-04-01 07:36:31,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 07:36:31,643 INFO L130 BoogieDeclarations]: Found specification of procedure lm78_i2c_probe [2023-04-01 07:36:31,643 INFO L130 BoogieDeclarations]: Found specification of procedure lm78_isa_register [2023-04-01 07:36:31,643 INFO L130 BoogieDeclarations]: Found specification of procedure lm78_isa_unregister [2023-04-01 07:36:31,643 INFO L130 BoogieDeclarations]: Found specification of procedure sm_lm78_init [2023-04-01 07:36:31,643 INFO L130 BoogieDeclarations]: Found specification of procedure sm_lm78_exit [2023-04-01 07:36:31,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-01 07:36:31,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-01 07:36:31,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_1 [2023-04-01 07:36:31,644 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 07:36:31,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-04-01 07:36:31,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2023-04-01 07:36:31,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2023-04-01 07:36:31,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2023-04-01 07:36:31,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2023-04-01 07:36:31,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2023-04-01 07:36:31,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2023-04-01 07:36:31,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2023-04-01 07:36:31,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2023-04-01 07:36:31,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2023-04-01 07:36:31,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2023-04-01 07:36:31,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2023-04-01 07:36:31,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2023-04-01 07:36:31,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2023-04-01 07:36:31,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2023-04-01 07:36:31,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2023-04-01 07:36:31,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2023-04-01 07:36:31,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2023-04-01 07:36:31,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2023-04-01 07:36:31,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2023-04-01 07:36:31,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2023-04-01 07:36:31,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_update_lock_of_lm78_data [2023-04-01 07:36:31,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_update_lock_of_lm78_data [2023-04-01 07:36:31,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_update_lock_of_lm78_data [2023-04-01 07:36:31,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_update_lock_of_lm78_data [2023-04-01 07:36:31,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_update_lock_of_lm78_data [2023-04-01 07:36:31,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_update_lock_of_lm78_data [2023-04-01 07:36:31,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_update_lock_of_lm78_data [2023-04-01 07:36:31,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_update_lock_of_lm78_data [2023-04-01 07:36:31,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_update_lock_of_lm78_data [2023-04-01 07:36:31,646 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 07:36:31,646 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-01 07:36:31,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 07:36:31,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 07:36:31,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-01 07:36:31,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-01 07:36:31,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 07:36:32,198 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 07:36:32,201 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 07:36:32,300 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-01 07:36:43,238 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 07:36:43,608 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 07:36:43,608 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-04-01 07:36:43,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 07:36:43 BoogieIcfgContainer [2023-04-01 07:36:43,612 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 07:36:43,614 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 07:36:43,614 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 07:36:43,616 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 07:36:43,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 07:36:29" (1/3) ... [2023-04-01 07:36:43,617 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44a522fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 07:36:43, skipping insertion in model container [2023-04-01 07:36:43,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:36:31" (2/3) ... [2023-04-01 07:36:43,617 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44a522fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 07:36:43, skipping insertion in model container [2023-04-01 07:36:43,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 07:36:43" (3/3) ... [2023-04-01 07:36:43,618 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--lm78.ko-entry_point.cil.out.i [2023-04-01 07:36:43,629 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 07:36:43,629 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 07:36:43,693 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 07:36:43,699 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;@51c9c3e1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 07:36:43,699 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 07:36:43,708 INFO L276 IsEmpty]: Start isEmpty. Operand has 1671 states, 990 states have (on average 1.3424242424242425) internal successors, (1329), 1055 states have internal predecessors, (1329), 522 states have call successors, (522), 122 states have call predecessors, (522), 121 states have return successors, (472), 472 states have call predecessors, (472), 472 states have call successors, (472) [2023-04-01 07:36:43,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1649 [2023-04-01 07:36:43,772 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 07:36:43,774 INFO L195 NwaCegarLoop]: trace histogram [119, 119, 119, 119, 119, 119, 119, 119, 119, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 07:36:43,777 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 07:36:43,781 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 07:36:43,782 INFO L85 PathProgramCache]: Analyzing trace with hash 287002455, now seen corresponding path program 1 times [2023-04-01 07:36:43,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 07:36:43,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816954162] [2023-04-01 07:36:43,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 07:36:43,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 07:36:44,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 07:36:46,149 INFO L134 CoverageAnalysis]: Checked inductivity of 71680 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 71680 trivial. 0 not checked. [2023-04-01 07:36:46,149 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 07:36:46,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816954162] [2023-04-01 07:36:46,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816954162] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 07:36:46,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 07:36:46,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 07:36:46,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551515091] [2023-04-01 07:36:46,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 07:36:46,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 07:36:46,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 07:36:46,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 07:36:46,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 07:36:46,178 INFO L87 Difference]: Start difference. First operand has 1671 states, 990 states have (on average 1.3424242424242425) internal successors, (1329), 1055 states have internal predecessors, (1329), 522 states have call successors, (522), 122 states have call predecessors, (522), 121 states have return successors, (472), 472 states have call predecessors, (472), 472 states have call successors, (472) Second operand has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 2 states have call successors, (152), 2 states have call predecessors, (152), 1 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) [2023-04-01 07:36:47,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 07:36:47,167 INFO L93 Difference]: Finished difference Result 4005 states and 5930 transitions. [2023-04-01 07:36:47,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 07:36:47,169 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 2 states have call successors, (152), 2 states have call predecessors, (152), 1 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) Word has length 1648 [2023-04-01 07:36:47,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 07:36:47,257 INFO L225 Difference]: With dead ends: 4005 [2023-04-01 07:36:47,257 INFO L226 Difference]: Without dead ends: 2652 [2023-04-01 07:36:47,265 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 07:36:47,267 INFO L413 NwaCegarLoop]: 2089 mSDtfsCounter, 2159 mSDsluCounter, 1653 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2159 SdHoareTripleChecker+Valid, 3742 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-04-01 07:36:47,267 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2159 Valid, 3742 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-04-01 07:36:47,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2652 states. [2023-04-01 07:36:47,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2652 to 2639. [2023-04-01 07:36:47,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2639 states, 1681 states have (on average 1.331945270672219) internal successors, (2239), 1700 states have internal predecessors, (2239), 734 states have call successors, (734), 226 states have call predecessors, (734), 223 states have return successors, (727), 725 states have call predecessors, (727), 727 states have call successors, (727) [2023-04-01 07:36:47,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2639 states to 2639 states and 3700 transitions. [2023-04-01 07:36:47,414 INFO L78 Accepts]: Start accepts. Automaton has 2639 states and 3700 transitions. Word has length 1648 [2023-04-01 07:36:47,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 07:36:47,417 INFO L495 AbstractCegarLoop]: Abstraction has 2639 states and 3700 transitions. [2023-04-01 07:36:47,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 2 states have call successors, (152), 2 states have call predecessors, (152), 1 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) [2023-04-01 07:36:47,417 INFO L276 IsEmpty]: Start isEmpty. Operand 2639 states and 3700 transitions. [2023-04-01 07:36:47,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1647 [2023-04-01 07:36:47,469 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 07:36:47,470 INFO L195 NwaCegarLoop]: trace histogram [119, 119, 119, 119, 119, 119, 119, 119, 119, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 07:36:47,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 07:36:47,470 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 07:36:47,470 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 07:36:47,471 INFO L85 PathProgramCache]: Analyzing trace with hash 2112056152, now seen corresponding path program 1 times [2023-04-01 07:36:47,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 07:36:47,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346369417] [2023-04-01 07:36:47,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 07:36:47,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 07:36:47,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 07:36:49,546 INFO L134 CoverageAnalysis]: Checked inductivity of 71680 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 71680 trivial. 0 not checked. [2023-04-01 07:36:49,546 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 07:36:49,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346369417] [2023-04-01 07:36:49,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346369417] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 07:36:49,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 07:36:49,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 07:36:49,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763238992] [2023-04-01 07:36:49,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 07:36:49,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 07:36:49,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 07:36:49,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 07:36:49,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 07:36:49,551 INFO L87 Difference]: Start difference. First operand 2639 states and 3700 transitions. Second operand has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 2 states have call successors, (152), 2 states have call predecessors, (152), 1 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) [2023-04-01 07:36:50,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 07:36:50,125 INFO L93 Difference]: Finished difference Result 7308 states and 10203 transitions. [2023-04-01 07:36:50,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 07:36:50,126 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 2 states have call successors, (152), 2 states have call predecessors, (152), 1 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) Word has length 1646 [2023-04-01 07:36:50,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 07:36:50,187 INFO L225 Difference]: With dead ends: 7308 [2023-04-01 07:36:50,187 INFO L226 Difference]: Without dead ends: 4964 [2023-04-01 07:36:50,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 07:36:50,199 INFO L413 NwaCegarLoop]: 1995 mSDtfsCounter, 2058 mSDsluCounter, 1549 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2058 SdHoareTripleChecker+Valid, 3544 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-01 07:36:50,199 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2058 Valid, 3544 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-01 07:36:50,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4964 states. [2023-04-01 07:36:50,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4964 to 4951. [2023-04-01 07:36:50,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4951 states, 3196 states have (on average 1.3463704630788487) internal successors, (4303), 3231 states have internal predecessors, (4303), 1313 states have call successors, (1313), 444 states have call predecessors, (1313), 441 states have return successors, (1306), 1300 states have call predecessors, (1306), 1306 states have call successors, (1306) [2023-04-01 07:36:50,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4951 states to 4951 states and 6922 transitions. [2023-04-01 07:36:50,366 INFO L78 Accepts]: Start accepts. Automaton has 4951 states and 6922 transitions. Word has length 1646 [2023-04-01 07:36:50,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 07:36:50,367 INFO L495 AbstractCegarLoop]: Abstraction has 4951 states and 6922 transitions. [2023-04-01 07:36:50,368 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 2 states have call successors, (152), 2 states have call predecessors, (152), 1 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) [2023-04-01 07:36:50,368 INFO L276 IsEmpty]: Start isEmpty. Operand 4951 states and 6922 transitions. [2023-04-01 07:36:50,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1647 [2023-04-01 07:36:50,385 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 07:36:50,385 INFO L195 NwaCegarLoop]: trace histogram [119, 119, 119, 119, 119, 119, 119, 119, 119, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 07:36:50,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 07:36:50,386 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 07:36:50,386 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 07:36:50,386 INFO L85 PathProgramCache]: Analyzing trace with hash -171332314, now seen corresponding path program 1 times [2023-04-01 07:36:50,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 07:36:50,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258334116] [2023-04-01 07:36:50,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 07:36:50,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 07:36:50,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 07:36:51,869 INFO L134 CoverageAnalysis]: Checked inductivity of 71680 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 71680 trivial. 0 not checked. [2023-04-01 07:36:51,869 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 07:36:51,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258334116] [2023-04-01 07:36:51,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258334116] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 07:36:51,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 07:36:51,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 07:36:51,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527870163] [2023-04-01 07:36:51,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 07:36:51,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 07:36:51,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 07:36:51,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 07:36:51,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 07:36:51,872 INFO L87 Difference]: Start difference. First operand 4951 states and 6922 transitions. Second operand has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 2 states have call successors, (152), 2 states have call predecessors, (152), 1 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) [2023-04-01 07:36:52,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 07:36:52,497 INFO L93 Difference]: Finished difference Result 14216 states and 19823 transitions. [2023-04-01 07:36:52,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 07:36:52,498 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 2 states have call successors, (152), 2 states have call predecessors, (152), 1 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) Word has length 1646 [2023-04-01 07:36:52,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 07:36:52,542 INFO L225 Difference]: With dead ends: 14216 [2023-04-01 07:36:52,542 INFO L226 Difference]: Without dead ends: 9560 [2023-04-01 07:36:52,562 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 07:36:52,562 INFO L413 NwaCegarLoop]: 2001 mSDtfsCounter, 2052 mSDsluCounter, 1546 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2052 SdHoareTripleChecker+Valid, 3547 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-01 07:36:52,563 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2052 Valid, 3547 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-01 07:36:52,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9560 states. [2023-04-01 07:36:52,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9560 to 9547. [2023-04-01 07:36:52,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9547 states, 6204 states have (on average 1.3531592520954223) internal successors, (8395), 6271 states have internal predecessors, (8395), 2465 states have call successors, (2465), 880 states have call predecessors, (2465), 877 states have return successors, (2458), 2444 states have call predecessors, (2458), 2458 states have call successors, (2458) [2023-04-01 07:36:52,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9547 states to 9547 states and 13318 transitions. [2023-04-01 07:36:52,947 INFO L78 Accepts]: Start accepts. Automaton has 9547 states and 13318 transitions. Word has length 1646 [2023-04-01 07:36:52,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 07:36:52,949 INFO L495 AbstractCegarLoop]: Abstraction has 9547 states and 13318 transitions. [2023-04-01 07:36:52,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 2 states have call successors, (152), 2 states have call predecessors, (152), 1 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) [2023-04-01 07:36:52,950 INFO L276 IsEmpty]: Start isEmpty. Operand 9547 states and 13318 transitions. [2023-04-01 07:36:52,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1648 [2023-04-01 07:36:52,966 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 07:36:52,967 INFO L195 NwaCegarLoop]: trace histogram [119, 119, 119, 119, 119, 119, 119, 119, 119, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 07:36:52,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 07:36:52,967 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 07:36:52,968 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 07:36:52,968 INFO L85 PathProgramCache]: Analyzing trace with hash 1532442436, now seen corresponding path program 1 times [2023-04-01 07:36:52,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 07:36:52,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270608409] [2023-04-01 07:36:52,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 07:36:52,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 07:36:53,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 07:36:54,443 INFO L134 CoverageAnalysis]: Checked inductivity of 71680 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 71680 trivial. 0 not checked. [2023-04-01 07:36:54,444 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 07:36:54,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270608409] [2023-04-01 07:36:54,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270608409] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 07:36:54,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 07:36:54,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 07:36:54,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043432735] [2023-04-01 07:36:54,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 07:36:54,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 07:36:54,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 07:36:54,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 07:36:54,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 07:36:54,447 INFO L87 Difference]: Start difference. First operand 9547 states and 13318 transitions. Second operand has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 2 states have call successors, (152), 2 states have call predecessors, (152), 1 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) [2023-04-01 07:36:55,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 07:36:55,621 INFO L93 Difference]: Finished difference Result 27996 states and 39003 transitions. [2023-04-01 07:36:55,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 07:36:55,621 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 2 states have call successors, (152), 2 states have call predecessors, (152), 1 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) Word has length 1647 [2023-04-01 07:36:55,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 07:36:55,709 INFO L225 Difference]: With dead ends: 27996 [2023-04-01 07:36:55,709 INFO L226 Difference]: Without dead ends: 18744 [2023-04-01 07:36:55,745 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 07:36:55,746 INFO L413 NwaCegarLoop]: 2022 mSDtfsCounter, 2057 mSDsluCounter, 1549 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2057 SdHoareTripleChecker+Valid, 3571 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-04-01 07:36:55,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2057 Valid, 3571 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-04-01 07:36:55,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18744 states. [2023-04-01 07:36:56,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18744 to 18731. [2023-04-01 07:36:56,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18731 states, 12212 states have (on average 1.3566164428431051) internal successors, (16567), 12343 states have internal predecessors, (16567), 4769 states have call successors, (4769), 1752 states have call predecessors, (4769), 1749 states have return successors, (4762), 4732 states have call predecessors, (4762), 4762 states have call successors, (4762) [2023-04-01 07:36:56,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18731 states to 18731 states and 26098 transitions. [2023-04-01 07:36:56,412 INFO L78 Accepts]: Start accepts. Automaton has 18731 states and 26098 transitions. Word has length 1647 [2023-04-01 07:36:56,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 07:36:56,414 INFO L495 AbstractCegarLoop]: Abstraction has 18731 states and 26098 transitions. [2023-04-01 07:36:56,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 2 states have call successors, (152), 2 states have call predecessors, (152), 1 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) [2023-04-01 07:36:56,414 INFO L276 IsEmpty]: Start isEmpty. Operand 18731 states and 26098 transitions. [2023-04-01 07:36:56,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1650 [2023-04-01 07:36:56,429 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 07:36:56,430 INFO L195 NwaCegarLoop]: trace histogram [119, 119, 119, 119, 119, 119, 119, 119, 119, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 07:36:56,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-01 07:36:56,430 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 07:36:56,431 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 07:36:56,431 INFO L85 PathProgramCache]: Analyzing trace with hash 112259446, now seen corresponding path program 1 times [2023-04-01 07:36:56,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 07:36:56,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764886747] [2023-04-01 07:36:56,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 07:36:56,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 07:36:56,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 07:36:57,756 INFO L134 CoverageAnalysis]: Checked inductivity of 71680 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 71680 trivial. 0 not checked. [2023-04-01 07:36:57,757 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 07:36:57,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764886747] [2023-04-01 07:36:57,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764886747] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 07:36:57,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 07:36:57,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 07:36:57,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128926722] [2023-04-01 07:36:57,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 07:36:57,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 07:36:57,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 07:36:57,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 07:36:57,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 07:36:57,759 INFO L87 Difference]: Start difference. First operand 18731 states and 26098 transitions. Second operand has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 2 states have call successors, (152), 2 states have call predecessors, (152), 1 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) [2023-04-01 07:36:59,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 07:36:59,248 INFO L93 Difference]: Finished difference Result 55404 states and 77159 transitions. [2023-04-01 07:36:59,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 07:36:59,249 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 2 states have call successors, (152), 2 states have call predecessors, (152), 1 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) Word has length 1649 [2023-04-01 07:36:59,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 07:36:59,363 INFO L225 Difference]: With dead ends: 55404 [2023-04-01 07:36:59,364 INFO L226 Difference]: Without dead ends: 36968 [2023-04-01 07:36:59,418 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 07:36:59,419 INFO L413 NwaCegarLoop]: 2032 mSDtfsCounter, 2048 mSDsluCounter, 1549 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2048 SdHoareTripleChecker+Valid, 3581 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-04-01 07:36:59,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2048 Valid, 3581 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-04-01 07:36:59,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36968 states. [2023-04-01 07:37:00,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36968 to 36955. [2023-04-01 07:37:00,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36955 states, 24140 states have (on average 1.3586992543496272) internal successors, (32799), 24399 states have internal predecessors, (32799), 9337 states have call successors, (9337), 3480 states have call predecessors, (9337), 3477 states have return successors, (9330), 9268 states have call predecessors, (9330), 9330 states have call successors, (9330) [2023-04-01 07:37:00,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36955 states to 36955 states and 51466 transitions. [2023-04-01 07:37:00,740 INFO L78 Accepts]: Start accepts. Automaton has 36955 states and 51466 transitions. Word has length 1649 [2023-04-01 07:37:00,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 07:37:00,742 INFO L495 AbstractCegarLoop]: Abstraction has 36955 states and 51466 transitions. [2023-04-01 07:37:00,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 2 states have call successors, (152), 2 states have call predecessors, (152), 1 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) [2023-04-01 07:37:00,742 INFO L276 IsEmpty]: Start isEmpty. Operand 36955 states and 51466 transitions. [2023-04-01 07:37:00,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1652 [2023-04-01 07:37:00,758 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 07:37:00,758 INFO L195 NwaCegarLoop]: trace histogram [119, 119, 119, 119, 119, 119, 119, 119, 119, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 07:37:00,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-01 07:37:00,759 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 07:37:00,759 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 07:37:00,759 INFO L85 PathProgramCache]: Analyzing trace with hash -572230926, now seen corresponding path program 1 times [2023-04-01 07:37:00,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 07:37:00,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308388449] [2023-04-01 07:37:00,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 07:37:00,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 07:37:01,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 07:37:02,276 INFO L134 CoverageAnalysis]: Checked inductivity of 71680 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 71680 trivial. 0 not checked. [2023-04-01 07:37:02,277 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 07:37:02,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308388449] [2023-04-01 07:37:02,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308388449] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 07:37:02,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 07:37:02,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 07:37:02,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205600559] [2023-04-01 07:37:02,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 07:37:02,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 07:37:02,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 07:37:02,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 07:37:02,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 07:37:02,279 INFO L87 Difference]: Start difference. First operand 36955 states and 51466 transitions. Second operand has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 2 states have call successors, (152), 2 states have call predecessors, (152), 1 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) [2023-04-01 07:37:04,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 07:37:04,330 INFO L93 Difference]: Finished difference Result 109723 states and 152718 transitions. [2023-04-01 07:37:04,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 07:37:04,330 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 2 states have call successors, (152), 2 states have call predecessors, (152), 1 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) Word has length 1651 [2023-04-01 07:37:04,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 07:37:04,929 INFO L225 Difference]: With dead ends: 109723 [2023-04-01 07:37:04,929 INFO L226 Difference]: Without dead ends: 73063 [2023-04-01 07:37:05,134 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 07:37:05,135 INFO L413 NwaCegarLoop]: 2048 mSDtfsCounter, 2037 mSDsluCounter, 1546 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2037 SdHoareTripleChecker+Valid, 3594 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-01 07:37:05,135 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2037 Valid, 3594 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-01 07:37:05,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73063 states. [2023-04-01 07:37:07,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73063 to 73019. [2023-04-01 07:37:07,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73019 states, 47740 states have (on average 1.3593422706325933) internal successors, (64895), 48255 states have internal predecessors, (64895), 18361 states have call successors, (18361), 6920 states have call predecessors, (18361), 6917 states have return successors, (18354), 18228 states have call predecessors, (18354), 18354 states have call successors, (18354) [2023-04-01 07:37:07,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73019 states to 73019 states and 101610 transitions. [2023-04-01 07:37:07,867 INFO L78 Accepts]: Start accepts. Automaton has 73019 states and 101610 transitions. Word has length 1651 [2023-04-01 07:37:07,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 07:37:07,870 INFO L495 AbstractCegarLoop]: Abstraction has 73019 states and 101610 transitions. [2023-04-01 07:37:07,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 2 states have call successors, (152), 2 states have call predecessors, (152), 1 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) [2023-04-01 07:37:07,870 INFO L276 IsEmpty]: Start isEmpty. Operand 73019 states and 101610 transitions. [2023-04-01 07:37:07,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1652 [2023-04-01 07:37:07,886 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 07:37:07,887 INFO L195 NwaCegarLoop]: trace histogram [119, 119, 119, 119, 119, 119, 119, 119, 119, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 07:37:07,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-01 07:37:07,887 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 07:37:07,887 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 07:37:07,888 INFO L85 PathProgramCache]: Analyzing trace with hash 1953574816, now seen corresponding path program 1 times [2023-04-01 07:37:07,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 07:37:07,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353825648] [2023-04-01 07:37:07,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 07:37:07,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 07:37:08,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 07:37:09,559 INFO L134 CoverageAnalysis]: Checked inductivity of 71680 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 71680 trivial. 0 not checked. [2023-04-01 07:37:09,559 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 07:37:09,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353825648] [2023-04-01 07:37:09,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353825648] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 07:37:09,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 07:37:09,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 07:37:09,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190325275] [2023-04-01 07:37:09,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 07:37:09,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 07:37:09,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 07:37:09,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 07:37:09,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 07:37:09,562 INFO L87 Difference]: Start difference. First operand 73019 states and 101610 transitions. Second operand has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 2 states have call successors, (152), 2 states have call predecessors, (152), 1 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) [2023-04-01 07:37:14,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 07:37:14,002 INFO L93 Difference]: Finished difference Result 217851 states and 303086 transitions. [2023-04-01 07:37:14,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 07:37:14,002 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 2 states have call successors, (152), 2 states have call predecessors, (152), 1 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) Word has length 1651 [2023-04-01 07:37:14,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 07:37:14,548 INFO L225 Difference]: With dead ends: 217851 [2023-04-01 07:37:14,548 INFO L226 Difference]: Without dead ends: 145127 [2023-04-01 07:37:14,736 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 07:37:14,738 INFO L413 NwaCegarLoop]: 2065 mSDtfsCounter, 2043 mSDsluCounter, 1549 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2043 SdHoareTripleChecker+Valid, 3614 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-04-01 07:37:14,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2043 Valid, 3614 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-04-01 07:37:14,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145127 states. [2023-04-01 07:37:19,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145127 to 145083. [2023-04-01 07:37:19,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145083 states, 94876 states have (on average 1.3595746026392344) internal successors, (128991), 95903 states have internal predecessors, (128991), 36409 states have call successors, (36409), 13800 states have call predecessors, (36409), 13797 states have return successors, (36402), 36148 states have call predecessors, (36402), 36402 states have call successors, (36402) [2023-04-01 07:37:20,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145083 states to 145083 states and 201802 transitions. [2023-04-01 07:37:20,172 INFO L78 Accepts]: Start accepts. Automaton has 145083 states and 201802 transitions. Word has length 1651 [2023-04-01 07:37:20,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 07:37:20,173 INFO L495 AbstractCegarLoop]: Abstraction has 145083 states and 201802 transitions. [2023-04-01 07:37:20,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 2 states have call successors, (152), 2 states have call predecessors, (152), 1 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) [2023-04-01 07:37:20,174 INFO L276 IsEmpty]: Start isEmpty. Operand 145083 states and 201802 transitions. [2023-04-01 07:37:20,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1655 [2023-04-01 07:37:20,189 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 07:37:20,190 INFO L195 NwaCegarLoop]: trace histogram [119, 119, 119, 119, 119, 119, 119, 119, 119, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 07:37:20,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-01 07:37:20,190 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 07:37:20,190 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 07:37:20,190 INFO L85 PathProgramCache]: Analyzing trace with hash 1746247013, now seen corresponding path program 1 times [2023-04-01 07:37:20,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 07:37:20,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724634564] [2023-04-01 07:37:20,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 07:37:20,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 07:37:20,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat