/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/automizer/svcomp-Reach-32bit-Automizer_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--abituguru3.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 08:10:24,609 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 08:10:24,611 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 08:10:24,646 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 08:10:24,646 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 08:10:24,649 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 08:10:24,652 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 08:10:24,654 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 08:10:24,655 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 08:10:24,659 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 08:10:24,660 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 08:10:24,662 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 08:10:24,662 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 08:10:24,664 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 08:10:24,665 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 08:10:24,666 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 08:10:24,666 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 08:10:24,667 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 08:10:24,668 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 08:10:24,672 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 08:10:24,673 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 08:10:24,673 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 08:10:24,674 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 08:10:24,675 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 08:10:24,682 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 08:10:24,682 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 08:10:24,682 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 08:10:24,683 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 08:10:24,683 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 08:10:24,684 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 08:10:24,684 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 08:10:24,684 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 08:10:24,685 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 08:10:24,686 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 08:10:24,686 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 08:10:24,686 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 08:10:24,687 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 08:10:24,687 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 08:10:24,687 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 08:10:24,687 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 08:10:24,688 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 08:10:24,689 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-04-02 08:10:24,712 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 08:10:24,713 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 08:10:24,713 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 08:10:24,713 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 08:10:24,714 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 08:10:24,714 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 08:10:24,715 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 08:10:24,715 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 08:10:24,715 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 08:10:24,715 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 08:10:24,715 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 08:10:24,716 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 08:10:24,716 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 08:10:24,716 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 08:10:24,716 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 08:10:24,716 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 08:10:24,716 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 08:10:24,716 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 08:10:24,716 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 08:10:24,716 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 08:10:24,716 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 08:10:24,716 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 08:10:24,716 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 08:10:24,717 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 08:10:24,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 08:10:24,717 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 08:10:24,717 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 08:10:24,717 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 08:10:24,717 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 08:10:24,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 08:10:24,717 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 08:10:24,717 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 08:10:24,718 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 08:10:24,718 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 08:10:24,718 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 08:10:24,718 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 08:10:24,920 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 08:10:24,937 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 08:10:24,941 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 08:10:24,942 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 08:10:24,942 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 08:10:24,943 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--abituguru3.ko-main.cil.out.i [2023-04-02 08:10:26,096 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 08:10:26,416 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 08:10:26,417 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--abituguru3.ko-main.cil.out.i [2023-04-02 08:10:26,442 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32f0e0031/94030dcae6554af3889c6cc8fe507b40/FLAG5d5e57db7 [2023-04-02 08:10:26,454 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32f0e0031/94030dcae6554af3889c6cc8fe507b40 [2023-04-02 08:10:26,461 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 08:10:26,463 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 08:10:26,464 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 08:10:26,465 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 08:10:26,467 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 08:10:26,467 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 08:10:26" (1/1) ... [2023-04-02 08:10:26,468 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bbcd3d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:10:26, skipping insertion in model container [2023-04-02 08:10:26,468 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 08:10:26" (1/1) ... [2023-04-02 08:10:26,474 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 08:10:26,535 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 08:10:27,178 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--abituguru3.ko-main.cil.out.i[132927,132940] [2023-04-02 08:10:27,246 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 08:10:27,321 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 08:10:27,436 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--abituguru3.ko-main.cil.out.i[132927,132940] [2023-04-02 08:10:27,454 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 08:10:27,659 WARN L667 CHandler]: The function strcspn is called, but not defined or handled by StandardFunctionHandler. [2023-04-02 08:10:27,659 WARN L667 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-04-02 08:10:27,664 INFO L208 MainTranslator]: Completed translation [2023-04-02 08:10:27,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:10:27 WrapperNode [2023-04-02 08:10:27,665 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 08:10:27,666 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 08:10:27,666 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 08:10:27,666 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 08:10:27,674 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:10:27" (1/1) ... [2023-04-02 08:10:27,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:10:27" (1/1) ... [2023-04-02 08:10:27,766 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:10:27" (1/1) ... [2023-04-02 08:10:27,766 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:10:27" (1/1) ... [2023-04-02 08:10:27,837 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:10:27" (1/1) ... [2023-04-02 08:10:27,846 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:10:27" (1/1) ... [2023-04-02 08:10:27,866 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:10:27" (1/1) ... [2023-04-02 08:10:27,880 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:10:27" (1/1) ... [2023-04-02 08:10:27,916 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 08:10:27,917 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 08:10:27,917 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 08:10:27,917 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 08:10:27,918 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:10:27" (1/1) ... [2023-04-02 08:10:27,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 08:10:27,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 08:10:27,954 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) [2023-04-02 08:10:27,978 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 [2023-04-02 08:10:27,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 08:10:27,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 08:10:27,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2023-04-02 08:10:27,985 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 08:10:27,985 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2023-04-02 08:10:27,985 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-04-02 08:10:27,986 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-04-02 08:10:27,986 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-04-02 08:10:27,986 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-04-02 08:10:27,986 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2023-04-02 08:10:27,986 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2023-04-02 08:10:27,986 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2023-04-02 08:10:27,986 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru3_wait_while_busy [2023-04-02 08:10:27,986 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru3_wait_for_read [2023-04-02 08:10:27,986 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru3_synchronize [2023-04-02 08:10:27,986 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru3_read [2023-04-02 08:10:27,986 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru3_read_increment_offset [2023-04-02 08:10:27,986 INFO L138 BoogieDeclarations]: Found implementation of procedure show_value [2023-04-02 08:10:27,986 INFO L138 BoogieDeclarations]: Found implementation of procedure show_alarm [2023-04-02 08:10:27,986 INFO L138 BoogieDeclarations]: Found implementation of procedure show_mask [2023-04-02 08:10:27,986 INFO L138 BoogieDeclarations]: Found implementation of procedure show_label [2023-04-02 08:10:27,986 INFO L138 BoogieDeclarations]: Found implementation of procedure show_name [2023-04-02 08:10:27,986 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru3_probe [2023-04-02 08:10:27,987 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru3_remove [2023-04-02 08:10:27,987 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru3_update_device [2023-04-02 08:10:27,987 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru3_suspend [2023-04-02 08:10:27,987 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru3_resume [2023-04-02 08:10:27,987 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru3_dmi_detect [2023-04-02 08:10:27,987 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru3_detect [2023-04-02 08:10:27,987 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru3_init [2023-04-02 08:10:27,987 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru3_exit [2023-04-02 08:10:27,987 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 08:10:27,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2023-04-02 08:10:27,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2023-04-02 08:10:27,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2023-04-02 08:10:27,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2023-04-02 08:10:27,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2023-04-02 08:10:27,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2023-04-02 08:10:27,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2023-04-02 08:10:27,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2023-04-02 08:10:27,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2023-04-02 08:10:27,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_driver_register_10 [2023-04-02 08:10:27,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_driver_unregister_11 [2023-04-02 08:10:27,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_driver_unregister_12 [2023-04-02 08:10:27,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-04-02 08:10:27,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-02 08:10:27,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2023-04-02 08:10:27,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2023-04-02 08:10:27,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2023-04-02 08:10:27,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2023-04-02 08:10:27,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2023-04-02 08:10:27,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2023-04-02 08:10:27,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2023-04-02 08:10:27,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2023-04-02 08:10:27,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2023-04-02 08:10:27,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2023-04-02 08:10:27,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2023-04-02 08:10:27,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2023-04-02 08:10:27,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2023-04-02 08:10:27,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2023-04-02 08:10:27,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2023-04-02 08:10:27,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_update_lock_of_abituguru3_data [2023-04-02 08:10:27,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_update_lock_of_abituguru3_data [2023-04-02 08:10:27,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_abituguru3_data [2023-04-02 08:10:27,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_update_lock_of_abituguru3_data [2023-04-02 08:10:27,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_update_lock_of_abituguru3_data [2023-04-02 08:10:27,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_update_lock_of_abituguru3_data [2023-04-02 08:10:27,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_abituguru3_data [2023-04-02 08:10:27,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-02 08:10:27,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-02 08:10:27,991 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-04-02 08:10:27,991 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-02 08:10:27,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-02 08:10:27,992 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-04-02 08:10:27,992 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-04-02 08:10:27,992 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2023-04-02 08:10:27,992 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2023-04-02 08:10:27,992 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2023-04-02 08:10:27,992 INFO L138 BoogieDeclarations]: Found implementation of procedure dmi_get_system_info [2023-04-02 08:10:27,992 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_register [2023-04-02 08:10:27,992 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_unregister [2023-04-02 08:10:27,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_abituguru3_pm_complete_2 [2023-04-02 08:10:27,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_abituguru3_pm_freeze_late_2 [2023-04-02 08:10:27,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_abituguru3_pm_freeze_noirq_2 [2023-04-02 08:10:27,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_abituguru3_pm_poweroff_late_2 [2023-04-02 08:10:27,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_abituguru3_pm_poweroff_noirq_2 [2023-04-02 08:10:27,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_abituguru3_pm_prepare_2 [2023-04-02 08:10:27,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_abituguru3_pm_restore_early_2 [2023-04-02 08:10:27,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_abituguru3_pm_restore_noirq_2 [2023-04-02 08:10:27,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_abituguru3_pm_resume_early_2 [2023-04-02 08:10:27,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_abituguru3_pm_resume_noirq_2 [2023-04-02 08:10:27,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_abituguru3_pm_suspend_late_2 [2023-04-02 08:10:27,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_abituguru3_pm_suspend_noirq_2 [2023-04-02 08:10:27,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_abituguru3_pm_thaw_early_2 [2023-04-02 08:10:27,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_abituguru3_pm_thaw_noirq_2 [2023-04-02 08:10:27,994 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-04-02 08:10:27,994 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-04-02 08:10:27,994 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2023-04-02 08:10:27,994 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-04-02 08:10:27,994 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_add [2023-04-02 08:10:27,995 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_add_resources [2023-04-02 08:10:27,995 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_alloc [2023-04-02 08:10:27,995 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_put [2023-04-02 08:10:27,995 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2023-04-02 08:10:27,995 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_register [2023-04-02 08:10:27,995 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2023-04-02 08:10:27,995 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2023-04-02 08:10:27,995 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-02 08:10:27,995 INFO L138 BoogieDeclarations]: Found implementation of procedure strncasecmp [2023-04-02 08:10:27,995 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-02 08:10:27,995 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 08:10:27,995 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 08:10:27,995 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-02 08:10:27,995 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-02 08:10:27,996 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 08:10:27,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 08:10:27,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-02 08:10:27,996 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-02 08:10:27,996 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-04-02 08:10:27,996 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2023-04-02 08:10:27,996 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2023-04-02 08:10:27,996 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2023-04-02 08:10:27,997 INFO L130 BoogieDeclarations]: Found specification of procedure strncasecmp [2023-04-02 08:10:27,997 INFO L130 BoogieDeclarations]: Found specification of procedure strcspn [2023-04-02 08:10:27,997 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2023-04-02 08:10:27,998 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2023-04-02 08:10:27,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 08:10:28,000 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-04-02 08:10:28,004 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-04-02 08:10:28,004 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-04-02 08:10:28,004 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2023-04-02 08:10:28,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2023-04-02 08:10:28,004 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-04-02 08:10:28,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2023-04-02 08:10:28,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2023-04-02 08:10:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2023-04-02 08:10:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2023-04-02 08:10:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-04-02 08:10:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2023-04-02 08:10:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2023-04-02 08:10:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2023-04-02 08:10:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2023-04-02 08:10:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2023-04-02 08:10:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2023-04-02 08:10:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2023-04-02 08:10:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2023-04-02 08:10:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2023-04-02 08:10:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_abituguru3_data [2023-04-02 08:10:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_abituguru3_data [2023-04-02 08:10:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 08:10:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-04-02 08:10:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-04-02 08:10:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2023-04-02 08:10:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-04-02 08:10:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2023-04-02 08:10:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2023-04-02 08:10:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2023-04-02 08:10:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-04-02 08:10:28,006 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-04-02 08:10:28,006 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2023-04-02 08:10:28,006 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2023-04-02 08:10:28,006 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_alloc [2023-04-02 08:10:28,006 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_add_resources [2023-04-02 08:10:28,006 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_add [2023-04-02 08:10:28,006 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_put [2023-04-02 08:10:28,006 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_register [2023-04-02 08:10:28,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_driver_register_10 [2023-04-02 08:10:28,006 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2023-04-02 08:10:28,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_driver_unregister_11 [2023-04-02 08:10:28,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_driver_unregister_12 [2023-04-02 08:10:28,006 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2023-04-02 08:10:28,006 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2023-04-02 08:10:28,007 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_register [2023-04-02 08:10:28,007 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_unregister [2023-04-02 08:10:28,007 INFO L130 BoogieDeclarations]: Found specification of procedure dmi_get_system_info [2023-04-02 08:10:28,007 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru3_wait_while_busy [2023-04-02 08:10:28,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 08:10:28,007 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru3_wait_for_read [2023-04-02 08:10:28,007 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru3_synchronize [2023-04-02 08:10:28,007 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru3_read [2023-04-02 08:10:28,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 08:10:28,007 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru3_read_increment_offset [2023-04-02 08:10:28,007 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru3_update_device [2023-04-02 08:10:28,007 INFO L130 BoogieDeclarations]: Found specification of procedure show_value [2023-04-02 08:10:28,007 INFO L130 BoogieDeclarations]: Found specification of procedure show_alarm [2023-04-02 08:10:28,007 INFO L130 BoogieDeclarations]: Found specification of procedure show_mask [2023-04-02 08:10:28,007 INFO L130 BoogieDeclarations]: Found specification of procedure show_label [2023-04-02 08:10:28,007 INFO L130 BoogieDeclarations]: Found specification of procedure show_name [2023-04-02 08:10:28,007 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru3_probe [2023-04-02 08:10:28,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-02 08:10:28,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 08:10:28,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 08:10:28,008 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru3_remove [2023-04-02 08:10:28,008 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru3_suspend [2023-04-02 08:10:28,008 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru3_resume [2023-04-02 08:10:28,008 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru3_dmi_detect [2023-04-02 08:10:28,008 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru3_detect [2023-04-02 08:10:28,008 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru3_init [2023-04-02 08:10:28,008 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru3_exit [2023-04-02 08:10:28,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_abituguru3_pm_resume_noirq_2 [2023-04-02 08:10:28,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_abituguru3_pm_poweroff_noirq_2 [2023-04-02 08:10:28,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_abituguru3_pm_freeze_noirq_2 [2023-04-02 08:10:28,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_abituguru3_pm_complete_2 [2023-04-02 08:10:28,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_abituguru3_pm_freeze_late_2 [2023-04-02 08:10:28,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_abituguru3_pm_suspend_late_2 [2023-04-02 08:10:28,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_abituguru3_pm_resume_early_2 [2023-04-02 08:10:28,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_abituguru3_pm_suspend_noirq_2 [2023-04-02 08:10:28,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_abituguru3_pm_thaw_early_2 [2023-04-02 08:10:28,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-02 08:10:28,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_abituguru3_pm_poweroff_late_2 [2023-04-02 08:10:28,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_abituguru3_pm_thaw_noirq_2 [2023-04-02 08:10:28,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-02 08:10:28,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_abituguru3_pm_prepare_2 [2023-04-02 08:10:28,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_abituguru3_pm_restore_noirq_2 [2023-04-02 08:10:28,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_abituguru3_pm_restore_early_2 [2023-04-02 08:10:28,009 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 08:10:28,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-04-02 08:10:28,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2023-04-02 08:10:28,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2023-04-02 08:10:28,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2023-04-02 08:10:28,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2023-04-02 08:10:28,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2023-04-02 08:10:28,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2023-04-02 08:10:28,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2023-04-02 08:10:28,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2023-04-02 08:10:28,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2023-04-02 08:10:28,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2023-04-02 08:10:28,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_update_lock_of_abituguru3_data [2023-04-02 08:10:28,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_update_lock_of_abituguru3_data [2023-04-02 08:10:28,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_update_lock_of_abituguru3_data [2023-04-02 08:10:28,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_update_lock_of_abituguru3_data [2023-04-02 08:10:28,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_update_lock_of_abituguru3_data [2023-04-02 08:10:28,009 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-04-02 08:10:28,009 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 08:10:28,009 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-02 08:10:28,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-02 08:10:28,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 08:10:28,009 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 08:10:28,010 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-02 08:10:28,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 08:10:28,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 08:10:28,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-02 08:10:28,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 08:10:28,369 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 08:10:28,382 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 08:10:40,581 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 08:10:40,598 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 08:10:40,598 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-04-02 08:10:40,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 08:10:40 BoogieIcfgContainer [2023-04-02 08:10:40,601 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 08:10:40,603 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 08:10:40,603 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 08:10:40,606 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 08:10:40,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 08:10:26" (1/3) ... [2023-04-02 08:10:40,609 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75de8bbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 08:10:40, skipping insertion in model container [2023-04-02 08:10:40,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:10:27" (2/3) ... [2023-04-02 08:10:40,610 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75de8bbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 08:10:40, skipping insertion in model container [2023-04-02 08:10:40,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 08:10:40" (3/3) ... [2023-04-02 08:10:40,611 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--hwmon--abituguru3.ko-main.cil.out.i [2023-04-02 08:10:40,622 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 08:10:40,622 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 08:10:40,682 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 08:10:40,687 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=PETRI_NET, 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;@5c14b176, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 08:10:40,687 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 08:10:40,696 INFO L276 IsEmpty]: Start isEmpty. Operand has 844 states, 586 states have (on average 1.3430034129692834) internal successors, (787), 597 states have internal predecessors, (787), 154 states have call successors, (154), 76 states have call predecessors, (154), 76 states have return successors, (154), 154 states have call predecessors, (154), 154 states have call successors, (154) [2023-04-02 08:10:40,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-04-02 08:10:40,721 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:10:40,722 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 08:10:40,722 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:10:40,726 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:10:40,726 INFO L85 PathProgramCache]: Analyzing trace with hash 49604927, now seen corresponding path program 1 times [2023-04-02 08:10:40,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:10:40,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815223137] [2023-04-02 08:10:40,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:10:40,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:10:41,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:10:42,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:10:42,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:10:42,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:10:42,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:10:42,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 08:10:42,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:10:42,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:10:42,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:10:42,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 08:10:42,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:10:42,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815223137] [2023-04-02 08:10:42,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815223137] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:10:42,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 08:10:42,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-02 08:10:42,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659827078] [2023-04-02 08:10:42,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:10:42,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-02 08:10:42,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:10:42,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-02 08:10:42,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-04-02 08:10:42,661 INFO L87 Difference]: Start difference. First operand has 844 states, 586 states have (on average 1.3430034129692834) internal successors, (787), 597 states have internal predecessors, (787), 154 states have call successors, (154), 76 states have call predecessors, (154), 76 states have return successors, (154), 154 states have call predecessors, (154), 154 states have call successors, (154) Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-04-02 08:10:49,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:10:51,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:10:54,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:10:56,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:10:57,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:10:57,105 INFO L93 Difference]: Finished difference Result 2275 states and 3152 transitions. [2023-04-02 08:10:57,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-04-02 08:10:57,107 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 40 [2023-04-02 08:10:57,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:10:57,122 INFO L225 Difference]: With dead ends: 2275 [2023-04-02 08:10:57,123 INFO L226 Difference]: Without dead ends: 1532 [2023-04-02 08:10:57,128 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2023-04-02 08:10:57,131 INFO L413 NwaCegarLoop]: 379 mSDtfsCounter, 2186 mSDsluCounter, 762 mSDsCounter, 0 mSdLazyCounter, 2272 mSolverCounterSat, 1144 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2251 SdHoareTripleChecker+Valid, 1141 SdHoareTripleChecker+Invalid, 3419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1144 IncrementalHoareTripleChecker+Valid, 2272 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.4s IncrementalHoareTripleChecker+Time [2023-04-02 08:10:57,131 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2251 Valid, 1141 Invalid, 3419 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1144 Valid, 2272 Invalid, 3 Unknown, 0 Unchecked, 13.4s Time] [2023-04-02 08:10:57,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1532 states. [2023-04-02 08:10:57,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1532 to 1266. [2023-04-02 08:10:57,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1266 states, 876 states have (on average 1.3230593607305936) internal successors, (1159), 891 states have internal predecessors, (1159), 263 states have call successors, (263), 129 states have call predecessors, (263), 126 states have return successors, (256), 255 states have call predecessors, (256), 256 states have call successors, (256) [2023-04-02 08:10:57,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 1266 states and 1678 transitions. [2023-04-02 08:10:57,479 INFO L78 Accepts]: Start accepts. Automaton has 1266 states and 1678 transitions. Word has length 40 [2023-04-02 08:10:57,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:10:57,480 INFO L495 AbstractCegarLoop]: Abstraction has 1266 states and 1678 transitions. [2023-04-02 08:10:57,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-04-02 08:10:57,480 INFO L276 IsEmpty]: Start isEmpty. Operand 1266 states and 1678 transitions. [2023-04-02 08:10:57,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-04-02 08:10:57,483 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:10:57,483 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 08:10:57,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 08:10:57,483 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:10:57,484 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:10:57,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1371354321, now seen corresponding path program 1 times [2023-04-02 08:10:57,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:10:57,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034801337] [2023-04-02 08:10:57,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:10:57,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:10:57,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:10:58,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:10:58,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:10:58,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:10:58,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:10:58,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-02 08:10:58,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:10:58,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:10:58,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:10:58,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:10:58,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:10:58,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:10:58,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:10:58,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 08:10:58,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:10:58,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034801337] [2023-04-02 08:10:58,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034801337] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:10:58,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 08:10:58,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-02 08:10:58,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39496706] [2023-04-02 08:10:58,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:10:58,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-02 08:10:58,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:10:58,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-02 08:10:58,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-04-02 08:10:58,818 INFO L87 Difference]: Start difference. First operand 1266 states and 1678 transitions. Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 3 states have internal predecessors, (23), 3 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) [2023-04-02 08:11:03,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:11:05,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:11:08,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:11:10,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:11:12,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:11:14,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:11:16,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:11:17,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:11:17,494 INFO L93 Difference]: Finished difference Result 3563 states and 4744 transitions. [2023-04-02 08:11:17,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-02 08:11:17,495 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 3 states have internal predecessors, (23), 3 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) Word has length 38 [2023-04-02 08:11:17,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:11:17,507 INFO L225 Difference]: With dead ends: 3563 [2023-04-02 08:11:17,508 INFO L226 Difference]: Without dead ends: 2308 [2023-04-02 08:11:17,512 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-04-02 08:11:17,518 INFO L413 NwaCegarLoop]: 406 mSDtfsCounter, 1751 mSDsluCounter, 859 mSDsCounter, 0 mSdLazyCounter, 2239 mSolverCounterSat, 686 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1863 SdHoareTripleChecker+Valid, 1265 SdHoareTripleChecker+Invalid, 2932 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 686 IncrementalHoareTripleChecker+Valid, 2239 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.0s IncrementalHoareTripleChecker+Time [2023-04-02 08:11:17,518 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1863 Valid, 1265 Invalid, 2932 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [686 Valid, 2239 Invalid, 7 Unknown, 0 Unchecked, 18.0s Time] [2023-04-02 08:11:17,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2308 states. [2023-04-02 08:11:18,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2308 to 2236. [2023-04-02 08:11:18,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2236 states, 1562 states have (on average 1.3297055057618439) internal successors, (2077), 1582 states have internal predecessors, (2077), 457 states have call successors, (457), 219 states have call predecessors, (457), 216 states have return successors, (450), 450 states have call predecessors, (450), 450 states have call successors, (450) [2023-04-02 08:11:18,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2236 states to 2236 states and 2984 transitions. [2023-04-02 08:11:18,034 INFO L78 Accepts]: Start accepts. Automaton has 2236 states and 2984 transitions. Word has length 38 [2023-04-02 08:11:18,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:11:18,034 INFO L495 AbstractCegarLoop]: Abstraction has 2236 states and 2984 transitions. [2023-04-02 08:11:18,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 3 states have internal predecessors, (23), 3 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) [2023-04-02 08:11:18,034 INFO L276 IsEmpty]: Start isEmpty. Operand 2236 states and 2984 transitions. [2023-04-02 08:11:18,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-04-02 08:11:18,035 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:11:18,035 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 08:11:18,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-02 08:11:18,036 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:11:18,036 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:11:18,036 INFO L85 PathProgramCache]: Analyzing trace with hash 655200873, now seen corresponding path program 1 times [2023-04-02 08:11:18,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:11:18,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180029500] [2023-04-02 08:11:18,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:11:18,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:11:18,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:11:19,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:11:19,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:11:19,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:11:19,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:11:19,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 08:11:19,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:11:19,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:11:19,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:11:19,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 08:11:19,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:11:19,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:11:19,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:11:19,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 08:11:19,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:11:19,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180029500] [2023-04-02 08:11:19,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180029500] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:11:19,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 08:11:19,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-04-02 08:11:19,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681116708] [2023-04-02 08:11:19,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:11:19,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-02 08:11:19,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:11:19,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-02 08:11:19,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-04-02 08:11:19,987 INFO L87 Difference]: Start difference. First operand 2236 states and 2984 transitions. Second operand has 11 states, 11 states have (on average 3.090909090909091) internal successors, (34), 6 states have internal predecessors, (34), 3 states have call successors, (9), 6 states have call predecessors, (9), 3 states have return successors, (6), 4 states have call predecessors, (6), 2 states have call successors, (6) [2023-04-02 08:11:28,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:11:30,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:11:31,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:11:31,917 INFO L93 Difference]: Finished difference Result 5100 states and 6936 transitions. [2023-04-02 08:11:31,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-04-02 08:11:31,918 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.090909090909091) internal successors, (34), 6 states have internal predecessors, (34), 3 states have call successors, (9), 6 states have call predecessors, (9), 3 states have return successors, (6), 4 states have call predecessors, (6), 2 states have call successors, (6) Word has length 49 [2023-04-02 08:11:31,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:11:31,932 INFO L225 Difference]: With dead ends: 5100 [2023-04-02 08:11:31,932 INFO L226 Difference]: Without dead ends: 2875 [2023-04-02 08:11:31,939 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=121, Invalid=385, Unknown=0, NotChecked=0, Total=506 [2023-04-02 08:11:31,943 INFO L413 NwaCegarLoop]: 382 mSDtfsCounter, 1370 mSDsluCounter, 2192 mSDsCounter, 0 mSdLazyCounter, 5371 mSolverCounterSat, 760 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1418 SdHoareTripleChecker+Valid, 2574 SdHoareTripleChecker+Invalid, 6133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 760 IncrementalHoareTripleChecker+Valid, 5371 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2023-04-02 08:11:31,944 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1418 Valid, 2574 Invalid, 6133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [760 Valid, 5371 Invalid, 2 Unknown, 0 Unchecked, 9.6s Time] [2023-04-02 08:11:31,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2875 states. [2023-04-02 08:11:32,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2875 to 2262. [2023-04-02 08:11:32,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2262 states, 1582 states have (on average 1.329329962073325) internal successors, (2103), 1602 states have internal predecessors, (2103), 461 states have call successors, (461), 219 states have call predecessors, (461), 218 states have return successors, (456), 456 states have call predecessors, (456), 454 states have call successors, (456) [2023-04-02 08:11:32,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2262 states to 2262 states and 3020 transitions. [2023-04-02 08:11:32,441 INFO L78 Accepts]: Start accepts. Automaton has 2262 states and 3020 transitions. Word has length 49 [2023-04-02 08:11:32,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:11:32,441 INFO L495 AbstractCegarLoop]: Abstraction has 2262 states and 3020 transitions. [2023-04-02 08:11:32,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.090909090909091) internal successors, (34), 6 states have internal predecessors, (34), 3 states have call successors, (9), 6 states have call predecessors, (9), 3 states have return successors, (6), 4 states have call predecessors, (6), 2 states have call successors, (6) [2023-04-02 08:11:32,441 INFO L276 IsEmpty]: Start isEmpty. Operand 2262 states and 3020 transitions. [2023-04-02 08:11:32,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-04-02 08:11:32,443 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:11:32,443 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 08:11:32,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-02 08:11:32,443 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:11:32,444 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:11:32,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1716538389, now seen corresponding path program 1 times [2023-04-02 08:11:32,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:11:32,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566270981] [2023-04-02 08:11:32,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:11:32,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:11:32,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:11:33,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:11:33,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:11:33,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:11:33,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:11:33,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 08:11:33,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:11:33,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:11:33,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:11:33,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 08:11:33,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:11:33,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:11:33,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:11:33,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 08:11:33,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:11:33,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566270981] [2023-04-02 08:11:33,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566270981] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:11:33,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 08:11:33,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-02 08:11:33,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062932214] [2023-04-02 08:11:33,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:11:33,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-02 08:11:33,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:11:33,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-02 08:11:33,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-04-02 08:11:33,730 INFO L87 Difference]: Start difference. First operand 2262 states and 3020 transitions. Second operand has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (9), 7 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-04-02 08:11:39,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:11:41,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:11:42,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:11:42,923 INFO L93 Difference]: Finished difference Result 2789 states and 3841 transitions. [2023-04-02 08:11:42,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-04-02 08:11:42,924 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (9), 7 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 49 [2023-04-02 08:11:42,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:11:42,934 INFO L225 Difference]: With dead ends: 2789 [2023-04-02 08:11:42,935 INFO L226 Difference]: Without dead ends: 2786 [2023-04-02 08:11:42,935 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2023-04-02 08:11:42,936 INFO L413 NwaCegarLoop]: 347 mSDtfsCounter, 2057 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 1598 mSolverCounterSat, 1048 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2104 SdHoareTripleChecker+Valid, 840 SdHoareTripleChecker+Invalid, 2648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1048 IncrementalHoareTripleChecker+Valid, 1598 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2023-04-02 08:11:42,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2104 Valid, 840 Invalid, 2648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1048 Valid, 1598 Invalid, 2 Unknown, 0 Unchecked, 8.0s Time] [2023-04-02 08:11:42,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2786 states. [2023-04-02 08:11:43,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2786 to 2261. [2023-04-02 08:11:43,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2261 states, 1582 states have (on average 1.3286978508217446) internal successors, (2102), 1601 states have internal predecessors, (2102), 460 states have call successors, (460), 219 states have call predecessors, (460), 218 states have return successors, (456), 456 states have call predecessors, (456), 454 states have call successors, (456) [2023-04-02 08:11:43,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2261 states to 2261 states and 3018 transitions. [2023-04-02 08:11:43,436 INFO L78 Accepts]: Start accepts. Automaton has 2261 states and 3018 transitions. Word has length 49 [2023-04-02 08:11:43,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:11:43,438 INFO L495 AbstractCegarLoop]: Abstraction has 2261 states and 3018 transitions. [2023-04-02 08:11:43,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (9), 7 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-04-02 08:11:43,438 INFO L276 IsEmpty]: Start isEmpty. Operand 2261 states and 3018 transitions. [2023-04-02 08:11:43,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-04-02 08:11:43,439 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:11:43,439 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 08:11:43,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-02 08:11:43,439 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:11:43,439 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:11:43,439 INFO L85 PathProgramCache]: Analyzing trace with hash -1673500612, now seen corresponding path program 1 times [2023-04-02 08:11:43,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:11:43,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618299883] [2023-04-02 08:11:43,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:11:43,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:11:43,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:11:44,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:11:44,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:11:44,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:11:44,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:11:44,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 08:11:44,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:11:44,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:11:44,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:11:44,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 08:11:44,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:11:44,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:11:44,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:11:44,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 08:11:44,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:11:44,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618299883] [2023-04-02 08:11:44,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618299883] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:11:44,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 08:11:44,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-02 08:11:44,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871790676] [2023-04-02 08:11:44,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:11:44,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-02 08:11:44,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:11:44,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-02 08:11:44,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-04-02 08:11:44,485 INFO L87 Difference]: Start difference. First operand 2261 states and 3018 transitions. Second operand has 7 states, 7 states have (on average 5.0) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (9), 7 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-04-02 08:11:50,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:11:52,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:11:52,198 INFO L93 Difference]: Finished difference Result 2788 states and 3839 transitions. [2023-04-02 08:11:52,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-04-02 08:11:52,199 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (9), 7 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 50 [2023-04-02 08:11:52,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:11:52,207 INFO L225 Difference]: With dead ends: 2788 [2023-04-02 08:11:52,207 INFO L226 Difference]: Without dead ends: 2785 [2023-04-02 08:11:52,208 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2023-04-02 08:11:52,209 INFO L413 NwaCegarLoop]: 310 mSDtfsCounter, 2084 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 1516 mSolverCounterSat, 1075 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2131 SdHoareTripleChecker+Valid, 803 SdHoareTripleChecker+Invalid, 2592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1075 IncrementalHoareTripleChecker+Valid, 1516 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2023-04-02 08:11:52,209 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2131 Valid, 803 Invalid, 2592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1075 Valid, 1516 Invalid, 1 Unknown, 0 Unchecked, 6.4s Time] [2023-04-02 08:11:52,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2785 states. [2023-04-02 08:11:52,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2785 to 2260. [2023-04-02 08:11:52,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2260 states, 1582 states have (on average 1.3280657395701643) internal successors, (2101), 1600 states have internal predecessors, (2101), 459 states have call successors, (459), 219 states have call predecessors, (459), 218 states have return successors, (456), 456 states have call predecessors, (456), 454 states have call successors, (456) [2023-04-02 08:11:52,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2260 states to 2260 states and 3016 transitions. [2023-04-02 08:11:52,839 INFO L78 Accepts]: Start accepts. Automaton has 2260 states and 3016 transitions. Word has length 50 [2023-04-02 08:11:52,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:11:52,839 INFO L495 AbstractCegarLoop]: Abstraction has 2260 states and 3016 transitions. [2023-04-02 08:11:52,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (9), 7 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-04-02 08:11:52,840 INFO L276 IsEmpty]: Start isEmpty. Operand 2260 states and 3016 transitions. [2023-04-02 08:11:52,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-04-02 08:11:52,842 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:11:52,842 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 08:11:52,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-02 08:11:52,842 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:11:52,843 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:11:52,843 INFO L85 PathProgramCache]: Analyzing trace with hash -339324658, now seen corresponding path program 1 times [2023-04-02 08:11:52,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:11:52,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234299187] [2023-04-02 08:11:52,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:11:52,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:11:53,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:11:53,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:11:53,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:11:53,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:11:53,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:11:53,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 08:11:53,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:11:53,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:11:53,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:11:53,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 08:11:53,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:11:53,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:11:53,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:11:53,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 08:11:53,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:11:53,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234299187] [2023-04-02 08:11:53,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234299187] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:11:53,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 08:11:53,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-02 08:11:53,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467075698] [2023-04-02 08:11:53,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:11:53,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-02 08:11:53,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:11:53,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-02 08:11:53,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-04-02 08:11:53,839 INFO L87 Difference]: Start difference. First operand 2260 states and 3016 transitions. Second operand has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (9), 7 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-04-02 08:12:01,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:12:03,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:12:05,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:12:08,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:12:10,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:12:12,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:12:14,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:12:14,048 INFO L93 Difference]: Finished difference Result 7229 states and 9863 transitions. [2023-04-02 08:12:14,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-04-02 08:12:14,048 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (9), 7 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 51 [2023-04-02 08:12:14,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:12:14,065 INFO L225 Difference]: With dead ends: 7229 [2023-04-02 08:12:14,065 INFO L226 Difference]: Without dead ends: 4959 [2023-04-02 08:12:14,070 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2023-04-02 08:12:14,071 INFO L413 NwaCegarLoop]: 355 mSDtfsCounter, 2413 mSDsluCounter, 910 mSDsCounter, 0 mSdLazyCounter, 2727 mSolverCounterSat, 1187 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2488 SdHoareTripleChecker+Valid, 1265 SdHoareTripleChecker+Invalid, 3920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1187 IncrementalHoareTripleChecker+Valid, 2727 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.1s IncrementalHoareTripleChecker+Time [2023-04-02 08:12:14,071 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2488 Valid, 1265 Invalid, 3920 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1187 Valid, 2727 Invalid, 6 Unknown, 0 Unchecked, 18.1s Time] [2023-04-02 08:12:14,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4959 states. [2023-04-02 08:12:15,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4959 to 4205. [2023-04-02 08:12:15,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4205 states, 2957 states have (on average 1.3276969901927629) internal successors, (3926), 3002 states have internal predecessors, (3926), 865 states have call successors, (865), 397 states have call predecessors, (865), 382 states have return successors, (860), 837 states have call predecessors, (860), 852 states have call successors, (860) [2023-04-02 08:12:15,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4205 states to 4205 states and 5651 transitions. [2023-04-02 08:12:15,082 INFO L78 Accepts]: Start accepts. Automaton has 4205 states and 5651 transitions. Word has length 51 [2023-04-02 08:12:15,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:12:15,083 INFO L495 AbstractCegarLoop]: Abstraction has 4205 states and 5651 transitions. [2023-04-02 08:12:15,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (9), 7 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-04-02 08:12:15,083 INFO L276 IsEmpty]: Start isEmpty. Operand 4205 states and 5651 transitions. [2023-04-02 08:12:15,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-04-02 08:12:15,084 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:12:15,085 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 08:12:15,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-02 08:12:15,085 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:12:15,085 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:12:15,085 INFO L85 PathProgramCache]: Analyzing trace with hash -70360891, now seen corresponding path program 1 times [2023-04-02 08:12:15,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:12:15,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582916834] [2023-04-02 08:12:15,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:12:15,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:12:15,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:12:15,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:12:15,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:12:16,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:12:16,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:12:16,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 08:12:16,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:12:16,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:12:16,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:12:16,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 08:12:16,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:12:16,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:12:16,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:12:16,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-04-02 08:12:16,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:12:16,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:12:16,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:12:16,197 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-04-02 08:12:16,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:12:16,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582916834] [2023-04-02 08:12:16,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582916834] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:12:16,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 08:12:16,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-02 08:12:16,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275831519] [2023-04-02 08:12:16,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:12:16,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-02 08:12:16,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:12:16,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-02 08:12:16,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-04-02 08:12:16,198 INFO L87 Difference]: Start difference. First operand 4205 states and 5651 transitions. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-02 08:12:23,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:12:25,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:12:27,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:12:30,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:12:32,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:12:34,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:12:35,004 INFO L93 Difference]: Finished difference Result 11528 states and 15794 transitions. [2023-04-02 08:12:35,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-04-02 08:12:35,006 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 77 [2023-04-02 08:12:35,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:12:35,072 INFO L225 Difference]: With dead ends: 11528 [2023-04-02 08:12:35,073 INFO L226 Difference]: Without dead ends: 7334 [2023-04-02 08:12:35,082 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2023-04-02 08:12:35,083 INFO L413 NwaCegarLoop]: 392 mSDtfsCounter, 1943 mSDsluCounter, 977 mSDsCounter, 0 mSdLazyCounter, 3364 mSolverCounterSat, 983 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2020 SdHoareTripleChecker+Valid, 1369 SdHoareTripleChecker+Invalid, 4352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 983 IncrementalHoareTripleChecker+Valid, 3364 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.1s IncrementalHoareTripleChecker+Time [2023-04-02 08:12:35,083 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2020 Valid, 1369 Invalid, 4352 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [983 Valid, 3364 Invalid, 5 Unknown, 0 Unchecked, 16.1s Time] [2023-04-02 08:12:35,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7334 states. [2023-04-02 08:12:36,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7334 to 6147. [2023-04-02 08:12:36,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6147 states, 4369 states have (on average 1.3252460517280842) internal successors, (5790), 4430 states have internal predecessors, (5790), 1239 states have call successors, (1239), 555 states have call predecessors, (1239), 538 states have return successors, (1238), 1209 states have call predecessors, (1238), 1226 states have call successors, (1238) [2023-04-02 08:12:36,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6147 states to 6147 states and 8267 transitions. [2023-04-02 08:12:36,631 INFO L78 Accepts]: Start accepts. Automaton has 6147 states and 8267 transitions. Word has length 77 [2023-04-02 08:12:36,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:12:36,631 INFO L495 AbstractCegarLoop]: Abstraction has 6147 states and 8267 transitions. [2023-04-02 08:12:36,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-02 08:12:36,632 INFO L276 IsEmpty]: Start isEmpty. Operand 6147 states and 8267 transitions. [2023-04-02 08:12:36,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-04-02 08:12:36,635 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:12:36,636 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 08:12:36,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-02 08:12:36,636 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:12:36,636 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:12:36,636 INFO L85 PathProgramCache]: Analyzing trace with hash -289326864, now seen corresponding path program 1 times [2023-04-02 08:12:36,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:12:36,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280532961] [2023-04-02 08:12:36,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:12:36,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:12:36,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:12:37,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:12:37,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:12:37,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:12:37,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:12:37,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 08:12:37,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:12:37,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:12:37,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:12:37,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 08:12:37,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:12:37,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:12:37,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:12:37,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-04-02 08:12:37,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:12:37,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-04-02 08:12:37,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:12:37,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:12:37,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:12:37,884 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-04-02 08:12:37,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:12:37,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280532961] [2023-04-02 08:12:37,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280532961] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:12:37,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 08:12:37,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-02 08:12:37,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654248370] [2023-04-02 08:12:37,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:12:37,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-02 08:12:37,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:12:37,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-02 08:12:37,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-04-02 08:12:37,886 INFO L87 Difference]: Start difference. First operand 6147 states and 8267 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-04-02 08:12:45,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:12:47,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:12:49,711 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:12:52,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:12:54,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:12:56,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:12:58,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:12:58,885 INFO L93 Difference]: Finished difference Result 15782 states and 21586 transitions. [2023-04-02 08:12:58,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-04-02 08:12:58,886 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 102 [2023-04-02 08:12:58,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:12:58,938 INFO L225 Difference]: With dead ends: 15782 [2023-04-02 08:12:58,938 INFO L226 Difference]: Without dead ends: 9646 [2023-04-02 08:12:58,950 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2023-04-02 08:12:58,951 INFO L413 NwaCegarLoop]: 554 mSDtfsCounter, 2503 mSDsluCounter, 1239 mSDsCounter, 0 mSdLazyCounter, 3183 mSolverCounterSat, 1287 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2581 SdHoareTripleChecker+Valid, 1793 SdHoareTripleChecker+Invalid, 4476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1287 IncrementalHoareTripleChecker+Valid, 3183 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.6s IncrementalHoareTripleChecker+Time [2023-04-02 08:12:58,951 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2581 Valid, 1793 Invalid, 4476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1287 Valid, 3183 Invalid, 6 Unknown, 0 Unchecked, 17.6s Time] [2023-04-02 08:12:58,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9646 states. [2023-04-02 08:13:00,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9646 to 8089. [2023-04-02 08:13:00,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8089 states, 5781 states have (on average 1.3239923888600589) internal successors, (7654), 5858 states have internal predecessors, (7654), 1613 states have call successors, (1613), 713 states have call predecessors, (1613), 694 states have return successors, (1616), 1581 states have call predecessors, (1616), 1600 states have call successors, (1616) [2023-04-02 08:13:01,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8089 states to 8089 states and 10883 transitions. [2023-04-02 08:13:01,017 INFO L78 Accepts]: Start accepts. Automaton has 8089 states and 10883 transitions. Word has length 102 [2023-04-02 08:13:01,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:13:01,017 INFO L495 AbstractCegarLoop]: Abstraction has 8089 states and 10883 transitions. [2023-04-02 08:13:01,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-04-02 08:13:01,018 INFO L276 IsEmpty]: Start isEmpty. Operand 8089 states and 10883 transitions. [2023-04-02 08:13:01,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-04-02 08:13:01,021 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:13:01,021 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 08:13:01,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-02 08:13:01,021 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:13:01,021 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:13:01,022 INFO L85 PathProgramCache]: Analyzing trace with hash 693043926, now seen corresponding path program 1 times [2023-04-02 08:13:01,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:13:01,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33359836] [2023-04-02 08:13:01,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:13:01,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:13:01,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:13:01,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:13:01,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:13:02,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:13:02,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:13:02,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 08:13:02,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:13:02,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:13:02,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:13:02,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 08:13:02,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:13:02,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:13:02,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:13:02,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 08:13:02,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:13:02,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-04-02 08:13:02,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:13:02,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:13:02,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:13:02,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 08:13:02,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:13:02,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:13:02,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:13:02,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:13:02,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:13:02,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 08:13:02,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:13:02,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:13:02,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:13:02,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:13:02,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:13:02,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:13:02,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:13:02,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-04-02 08:13:02,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:13:02,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:13:02,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:13:02,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-04-02 08:13:02,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:13:02,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:13:02,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:13:02,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 08:13:02,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:13:02,116 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-04-02 08:13:02,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:13:02,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33359836] [2023-04-02 08:13:02,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33359836] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:13:02,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 08:13:02,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-02 08:13:02,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399203381] [2023-04-02 08:13:02,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:13:02,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-02 08:13:02,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:13:02,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-02 08:13:02,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-04-02 08:13:02,118 INFO L87 Difference]: Start difference. First operand 8089 states and 10883 transitions. Second operand has 8 states, 8 states have (on average 10.0) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (27), 7 states have call predecessors, (27), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-04-02 08:13:10,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:13:12,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:13:14,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:13:14,910 INFO L93 Difference]: Finished difference Result 20524 states and 27941 transitions. [2023-04-02 08:13:14,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-04-02 08:13:14,910 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (27), 7 states have call predecessors, (27), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 134 [2023-04-02 08:13:14,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:13:14,980 INFO L225 Difference]: With dead ends: 20524 [2023-04-02 08:13:14,980 INFO L226 Difference]: Without dead ends: 12446 [2023-04-02 08:13:14,996 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=115, Invalid=265, Unknown=0, NotChecked=0, Total=380 [2023-04-02 08:13:14,998 INFO L413 NwaCegarLoop]: 373 mSDtfsCounter, 2269 mSDsluCounter, 1186 mSDsCounter, 0 mSdLazyCounter, 2250 mSolverCounterSat, 1152 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2330 SdHoareTripleChecker+Valid, 1559 SdHoareTripleChecker+Invalid, 3404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1152 IncrementalHoareTripleChecker+Valid, 2250 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2023-04-02 08:13:14,998 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2330 Valid, 1559 Invalid, 3404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1152 Valid, 2250 Invalid, 2 Unknown, 0 Unchecked, 8.5s Time] [2023-04-02 08:13:15,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12446 states. [2023-04-02 08:13:17,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12446 to 10435. [2023-04-02 08:13:17,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10435 states, 7611 states have (on average 1.3397713835238472) internal successors, (10197), 7714 states have internal predecessors, (10197), 1897 states have call successors, (1897), 929 states have call predecessors, (1897), 926 states have return successors, (1934), 1847 states have call predecessors, (1934), 1878 states have call successors, (1934) [2023-04-02 08:13:17,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10435 states to 10435 states and 14028 transitions. [2023-04-02 08:13:17,576 INFO L78 Accepts]: Start accepts. Automaton has 10435 states and 14028 transitions. Word has length 134 [2023-04-02 08:13:17,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:13:17,577 INFO L495 AbstractCegarLoop]: Abstraction has 10435 states and 14028 transitions. [2023-04-02 08:13:17,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (27), 7 states have call predecessors, (27), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-04-02 08:13:17,577 INFO L276 IsEmpty]: Start isEmpty. Operand 10435 states and 14028 transitions. [2023-04-02 08:13:17,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-04-02 08:13:17,584 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:13:17,584 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 08:13:17,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-04-02 08:13:17,584 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:13:17,585 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:13:17,585 INFO L85 PathProgramCache]: Analyzing trace with hash 1757907881, now seen corresponding path program 1 times [2023-04-02 08:13:17,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:13:17,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277042236] [2023-04-02 08:13:17,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:13:17,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:13:17,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:13:18,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:13:18,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:13:18,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:13:18,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:13:18,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 08:13:18,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:13:18,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:13:18,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:13:18,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 08:13:18,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:13:18,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:13:18,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:13:18,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-04-02 08:13:18,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:13:18,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-04-02 08:13:18,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:13:18,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:13:18,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:13:18,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:13:18,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:13:18,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 08:13:18,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:13:18,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:13:18,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:13:18,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 08:13:18,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:13:18,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-04-02 08:13:18,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:13:18,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:13:18,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:13:18,755 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-04-02 08:13:18,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:13:18,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277042236] [2023-04-02 08:13:18,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277042236] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:13:18,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 08:13:18,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-04-02 08:13:18,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14033912] [2023-04-02 08:13:18,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:13:18,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-02 08:13:18,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:13:18,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-02 08:13:18,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-04-02 08:13:18,757 INFO L87 Difference]: Start difference. First operand 10435 states and 14028 transitions. Second operand has 9 states, 9 states have (on average 10.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (19), 8 states have call predecessors, (19), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-04-02 08:13:27,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:13:30,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:13:33,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:13:33,964 INFO L93 Difference]: Finished difference Result 25623 states and 35038 transitions. [2023-04-02 08:13:33,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-04-02 08:13:33,965 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (19), 8 states have call predecessors, (19), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 143 [2023-04-02 08:13:33,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:13:34,003 INFO L225 Difference]: With dead ends: 25623 [2023-04-02 08:13:34,003 INFO L226 Difference]: Without dead ends: 15199 [2023-04-02 08:13:34,022 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=109, Invalid=233, Unknown=0, NotChecked=0, Total=342 [2023-04-02 08:13:34,023 INFO L413 NwaCegarLoop]: 588 mSDtfsCounter, 2899 mSDsluCounter, 1463 mSDsCounter, 0 mSdLazyCounter, 3276 mSolverCounterSat, 1549 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2978 SdHoareTripleChecker+Valid, 2051 SdHoareTripleChecker+Invalid, 4827 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1549 IncrementalHoareTripleChecker+Valid, 3276 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2023-04-02 08:13:34,023 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2978 Valid, 2051 Invalid, 4827 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1549 Valid, 3276 Invalid, 2 Unknown, 0 Unchecked, 9.9s Time] [2023-04-02 08:13:34,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15199 states. [2023-04-02 08:13:37,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15199 to 12855. [2023-04-02 08:13:37,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12855 states, 9427 states have (on average 1.3392383579081362) internal successors, (12625), 9550 states have internal predecessors, (12625), 2311 states have call successors, (2311), 1115 states have call predecessors, (2311), 1116 states have return successors, (2362), 2259 states have call predecessors, (2362), 2292 states have call successors, (2362) [2023-04-02 08:13:37,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12855 states to 12855 states and 17298 transitions. [2023-04-02 08:13:37,145 INFO L78 Accepts]: Start accepts. Automaton has 12855 states and 17298 transitions. Word has length 143 [2023-04-02 08:13:37,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:13:37,145 INFO L495 AbstractCegarLoop]: Abstraction has 12855 states and 17298 transitions. [2023-04-02 08:13:37,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (19), 8 states have call predecessors, (19), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-04-02 08:13:37,146 INFO L276 IsEmpty]: Start isEmpty. Operand 12855 states and 17298 transitions. [2023-04-02 08:13:37,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-04-02 08:13:37,153 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:13:37,153 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 08:13:37,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-04-02 08:13:37,154 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:13:37,154 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:13:37,154 INFO L85 PathProgramCache]: Analyzing trace with hash 794641955, now seen corresponding path program 1 times [2023-04-02 08:13:37,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:13:37,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328775235] [2023-04-02 08:13:37,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:13:37,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:13:37,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:13:38,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:13:38,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:13:38,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:13:38,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:13:38,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 08:13:38,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:13:38,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:13:38,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:13:38,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 08:13:38,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:13:38,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:13:38,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:13:38,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-04-02 08:13:38,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:13:38,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-04-02 08:13:38,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:13:38,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:13:38,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:13:38,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:13:38,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:13:38,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 08:13:38,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:13:38,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:13:38,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:13:38,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 08:13:38,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:13:38,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-04-02 08:13:38,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:13:38,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:13:38,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:13:38,436 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-04-02 08:13:38,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:13:38,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328775235] [2023-04-02 08:13:38,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328775235] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:13:38,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 08:13:38,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-04-02 08:13:38,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058189217] [2023-04-02 08:13:38,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:13:38,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-02 08:13:38,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:13:38,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-02 08:13:38,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-04-02 08:13:38,437 INFO L87 Difference]: Start difference. First operand 12855 states and 17298 transitions. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (19), 8 states have call predecessors, (19), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-04-02 08:13:47,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:13:49,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:13:52,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:13:54,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:13:58,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:13:58,535 INFO L93 Difference]: Finished difference Result 30907 states and 42252 transitions. [2023-04-02 08:13:58,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-04-02 08:13:58,536 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (19), 8 states have call predecessors, (19), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 139 [2023-04-02 08:13:58,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:13:58,613 INFO L225 Difference]: With dead ends: 30907 [2023-04-02 08:13:58,614 INFO L226 Difference]: Without dead ends: 18063 [2023-04-02 08:13:58,632 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=109, Invalid=233, Unknown=0, NotChecked=0, Total=342 [2023-04-02 08:13:58,633 INFO L413 NwaCegarLoop]: 596 mSDtfsCounter, 2242 mSDsluCounter, 1581 mSDsCounter, 0 mSdLazyCounter, 3926 mSolverCounterSat, 1197 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2320 SdHoareTripleChecker+Valid, 2177 SdHoareTripleChecker+Invalid, 5127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1197 IncrementalHoareTripleChecker+Valid, 3926 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.2s IncrementalHoareTripleChecker+Time [2023-04-02 08:13:58,633 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2320 Valid, 2177 Invalid, 5127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1197 Valid, 3926 Invalid, 4 Unknown, 0 Unchecked, 14.2s Time] [2023-04-02 08:13:58,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18063 states. [2023-04-02 08:14:02,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18063 to 15275. [2023-04-02 08:14:02,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15275 states, 11243 states have (on average 1.338877523792582) internal successors, (15053), 11386 states have internal predecessors, (15053), 2725 states have call successors, (2725), 1301 states have call predecessors, (2725), 1306 states have return successors, (2790), 2671 states have call predecessors, (2790), 2706 states have call successors, (2790) [2023-04-02 08:14:02,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15275 states to 15275 states and 20568 transitions. [2023-04-02 08:14:02,374 INFO L78 Accepts]: Start accepts. Automaton has 15275 states and 20568 transitions. Word has length 139 [2023-04-02 08:14:02,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:14:02,374 INFO L495 AbstractCegarLoop]: Abstraction has 15275 states and 20568 transitions. [2023-04-02 08:14:02,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (19), 8 states have call predecessors, (19), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-04-02 08:14:02,375 INFO L276 IsEmpty]: Start isEmpty. Operand 15275 states and 20568 transitions. [2023-04-02 08:14:02,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-04-02 08:14:02,381 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:14:02,381 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 08:14:02,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-04-02 08:14:02,381 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:14:02,381 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:14:02,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1788455036, now seen corresponding path program 1 times [2023-04-02 08:14:02,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:14:02,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168080026] [2023-04-02 08:14:02,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:14:02,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:14:02,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:14:03,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:14:03,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:14:03,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:14:03,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:14:03,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 08:14:03,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:14:03,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:14:03,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:14:03,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 08:14:03,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:14:03,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:14:03,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:14:03,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-04-02 08:14:03,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:14:03,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-04-02 08:14:03,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:14:03,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:14:03,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:14:03,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:14:03,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:14:03,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 08:14:03,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:14:03,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:14:03,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:14:03,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 08:14:03,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:14:03,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-04-02 08:14:03,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:14:03,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:14:03,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:14:03,725 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-04-02 08:14:03,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:14:03,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168080026] [2023-04-02 08:14:03,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168080026] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:14:03,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 08:14:03,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-04-02 08:14:03,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397582086] [2023-04-02 08:14:03,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:14:03,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-02 08:14:03,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:14:03,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-02 08:14:03,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-04-02 08:14:03,726 INFO L87 Difference]: Start difference. First operand 15275 states and 20568 transitions. Second operand has 9 states, 9 states have (on average 10.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (19), 8 states have call predecessors, (19), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-04-02 08:14:13,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:14:15,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:14:20,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:14:20,892 INFO L93 Difference]: Finished difference Result 36191 states and 49466 transitions. [2023-04-02 08:14:20,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-04-02 08:14:20,893 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (19), 8 states have call predecessors, (19), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 145 [2023-04-02 08:14:20,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:14:20,936 INFO L225 Difference]: With dead ends: 36191 [2023-04-02 08:14:20,936 INFO L226 Difference]: Without dead ends: 20927 [2023-04-02 08:14:20,957 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=109, Invalid=233, Unknown=0, NotChecked=0, Total=342 [2023-04-02 08:14:20,958 INFO L413 NwaCegarLoop]: 596 mSDtfsCounter, 2287 mSDsluCounter, 1237 mSDsCounter, 0 mSdLazyCounter, 3446 mSolverCounterSat, 1213 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2365 SdHoareTripleChecker+Valid, 1833 SdHoareTripleChecker+Invalid, 4660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1213 IncrementalHoareTripleChecker+Valid, 3446 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2023-04-02 08:14:20,958 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2365 Valid, 1833 Invalid, 4660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1213 Valid, 3446 Invalid, 1 Unknown, 0 Unchecked, 10.1s Time] [2023-04-02 08:14:20,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20927 states. [2023-04-02 08:14:25,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20927 to 17695. [2023-04-02 08:14:25,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17695 states, 13059 states have (on average 1.3386170457155984) internal successors, (17481), 13222 states have internal predecessors, (17481), 3139 states have call successors, (3139), 1487 states have call predecessors, (3139), 1496 states have return successors, (3218), 3083 states have call predecessors, (3218), 3120 states have call successors, (3218) [2023-04-02 08:14:25,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17695 states to 17695 states and 23838 transitions. [2023-04-02 08:14:25,637 INFO L78 Accepts]: Start accepts. Automaton has 17695 states and 23838 transitions. Word has length 145 [2023-04-02 08:14:25,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:14:25,638 INFO L495 AbstractCegarLoop]: Abstraction has 17695 states and 23838 transitions. [2023-04-02 08:14:25,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (19), 8 states have call predecessors, (19), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-04-02 08:14:25,638 INFO L276 IsEmpty]: Start isEmpty. Operand 17695 states and 23838 transitions. [2023-04-02 08:14:25,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-04-02 08:14:25,646 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:14:25,647 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 08:14:25,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-04-02 08:14:25,647 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:14:25,647 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:14:25,647 INFO L85 PathProgramCache]: Analyzing trace with hash 2061367484, now seen corresponding path program 1 times [2023-04-02 08:14:25,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:14:25,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811329841] [2023-04-02 08:14:25,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:14:25,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:14:25,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:14:26,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:14:26,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:14:26,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:14:26,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:14:26,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 08:14:26,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:14:26,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:14:26,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:14:26,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 08:14:26,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:14:26,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:14:26,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:14:26,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-04-02 08:14:26,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:14:27,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-04-02 08:14:27,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:14:27,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:14:27,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:14:27,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:14:27,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:14:27,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 08:14:27,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:14:27,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:14:27,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:14:27,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 08:14:27,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:14:27,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-04-02 08:14:27,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:14:27,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:14:27,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:14:27,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 08:14:27,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:14:27,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:14:27,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:14:27,050 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-04-02 08:14:27,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:14:27,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811329841] [2023-04-02 08:14:27,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811329841] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 08:14:27,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1121665932] [2023-04-02 08:14:27,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:14:27,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 08:14:27,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 08:14:27,067 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 08:14:27,069 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-02 08:14:28,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:14:28,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 13766 conjuncts, 9 conjunts are in the unsatisfiable core [2023-04-02 08:14:28,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 08:14:29,073 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-02 08:14:29,073 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 08:14:29,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1121665932] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:14:29,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 08:14:29,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2023-04-02 08:14:29,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368819064] [2023-04-02 08:14:29,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:14:29,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-02 08:14:29,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:14:29,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-02 08:14:29,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=299, Unknown=0, NotChecked=0, Total=342 [2023-04-02 08:14:29,075 INFO L87 Difference]: Start difference. First operand 17695 states and 23838 transitions. Second operand has 10 states, 10 states have (on average 9.4) internal successors, (94), 8 states have internal predecessors, (94), 3 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (17), 5 states have call predecessors, (17), 3 states have call successors, (17) [2023-04-02 08:14:34,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:14:34,575 INFO L93 Difference]: Finished difference Result 36254 states and 48889 transitions. [2023-04-02 08:14:34,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-04-02 08:14:34,575 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.4) internal successors, (94), 8 states have internal predecessors, (94), 3 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (17), 5 states have call predecessors, (17), 3 states have call successors, (17) Word has length 142 [2023-04-02 08:14:34,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:14:34,632 INFO L225 Difference]: With dead ends: 36254 [2023-04-02 08:14:34,632 INFO L226 Difference]: Without dead ends: 18444 [2023-04-02 08:14:34,662 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=57, Invalid=405, Unknown=0, NotChecked=0, Total=462 [2023-04-02 08:14:34,663 INFO L413 NwaCegarLoop]: 1004 mSDtfsCounter, 76 mSDsluCounter, 7918 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 8922 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-02 08:14:34,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 8922 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-02 08:14:34,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18444 states.