/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--power--bq2415x_charger.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 05:57:18,960 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 05:57:18,961 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 05:57:18,981 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 05:57:18,981 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 05:57:18,982 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 05:57:18,983 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 05:57:18,984 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 05:57:18,985 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 05:57:18,985 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 05:57:18,986 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 05:57:18,987 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 05:57:18,987 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 05:57:18,988 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 05:57:18,988 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 05:57:18,989 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 05:57:18,989 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 05:57:18,990 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 05:57:18,991 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 05:57:18,992 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 05:57:19,001 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 05:57:19,003 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 05:57:19,003 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 05:57:19,004 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 05:57:19,006 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 05:57:19,006 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 05:57:19,006 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 05:57:19,007 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 05:57:19,007 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 05:57:19,008 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 05:57:19,008 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 05:57:19,008 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 05:57:19,009 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 05:57:19,009 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 05:57:19,010 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 05:57:19,010 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 05:57:19,010 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 05:57:19,010 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 05:57:19,011 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 05:57:19,011 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 05:57:19,012 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 05:57:19,017 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-03 05:57:19,038 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 05:57:19,038 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 05:57:19,038 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 05:57:19,038 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 05:57:19,039 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 05:57:19,039 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 05:57:19,039 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 05:57:19,039 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 05:57:19,040 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 05:57:19,040 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 05:57:19,040 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 05:57:19,040 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 05:57:19,040 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 05:57:19,041 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 05:57:19,041 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 05:57:19,041 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 05:57:19,041 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 05:57:19,041 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 05:57:19,041 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 05:57:19,041 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 05:57:19,041 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 05:57:19,042 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 05:57:19,042 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 05:57:19,042 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 05:57:19,042 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 05:57:19,042 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 05:57:19,042 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 05:57:19,042 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 05:57:19,043 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 05:57:19,043 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 05:57:19,043 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 05:57:19,043 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 05:57:19,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 05:57:19,043 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 05:57:19,043 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 05:57:19,043 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 05:57:19,043 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 05:57:19,043 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 05:57:19,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 05:57:19,044 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 05:57:19,044 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 05:57:19,044 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 05:57:19,225 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 05:57:19,247 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 05:57:19,249 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 05:57:19,250 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 05:57:19,251 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 05:57:19,252 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--power--bq2415x_charger.ko-entry_point.cil.out.i [2023-04-03 05:57:20,241 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 05:57:20,625 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 05:57:20,625 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--power--bq2415x_charger.ko-entry_point.cil.out.i [2023-04-03 05:57:20,652 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/328d4ff94/08078dcb7f1840b9b5e808689a812fbc/FLAGefb0abac7 [2023-04-03 05:57:20,665 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/328d4ff94/08078dcb7f1840b9b5e808689a812fbc [2023-04-03 05:57:20,667 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 05:57:20,669 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 05:57:20,671 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 05:57:20,671 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 05:57:20,673 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 05:57:20,673 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 05:57:20" (1/1) ... [2023-04-03 05:57:20,674 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5684151 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:57:20, skipping insertion in model container [2023-04-03 05:57:20,674 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 05:57:20" (1/1) ... [2023-04-03 05:57:20,679 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 05:57:20,750 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 05:57:21,799 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--power--bq2415x_charger.ko-entry_point.cil.out.i[216479,216492] [2023-04-03 05:57:21,934 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 05:57:21,984 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 05:57:22,166 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--power--bq2415x_charger.ko-entry_point.cil.out.i[216479,216492] [2023-04-03 05:57:22,183 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 05:57:22,389 WARN L667 CHandler]: The function strncmp is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 05:57:22,389 WARN L667 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 05:57:22,395 INFO L208 MainTranslator]: Completed translation [2023-04-03 05:57:22,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:57:22 WrapperNode [2023-04-03 05:57:22,395 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 05:57:22,396 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 05:57:22,396 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 05:57:22,396 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 05:57:22,404 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:57:22" (1/1) ... [2023-04-03 05:57:22,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:57:22" (1/1) ... [2023-04-03 05:57:22,484 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:57:22" (1/1) ... [2023-04-03 05:57:22,484 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:57:22" (1/1) ... [2023-04-03 05:57:22,574 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:57:22" (1/1) ... [2023-04-03 05:57:22,597 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:57:22" (1/1) ... [2023-04-03 05:57:22,624 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:57:22" (1/1) ... [2023-04-03 05:57:22,644 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:57:22" (1/1) ... [2023-04-03 05:57:22,673 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 05:57:22,674 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 05:57:22,675 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 05:57:22,676 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 05:57:22,677 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:57:22" (1/1) ... [2023-04-03 05:57:22,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 05:57:22,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 05:57:22,730 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-03 05:57:22,748 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-03 05:57:22,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 05:57:22,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 05:57:22,757 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 05:57:22,757 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtol [2023-04-03 05:57:22,757 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-04-03 05:57:22,758 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-03 05:57:22,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-03 05:57:22,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-03 05:57:22,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-04-03 05:57:22,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-04-03 05:57:22,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-03 05:57:22,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-03 05:57:22,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-03 05:57:22,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-03 05:57:22,758 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2023-04-03 05:57:22,758 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2023-04-03 05:57:22,758 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2023-04-03 05:57:22,758 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-04-03 05:57:22,758 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-04-03 05:57:22,759 INFO L138 BoogieDeclarations]: Found implementation of procedure device_property_read_u32 [2023-04-03 05:57:22,759 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2023-04-03 05:57:22,759 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_set_clientdata [2023-04-03 05:57:22,759 INFO L138 BoogieDeclarations]: Found implementation of procedure is_acpi_node [2023-04-03 05:57:22,759 INFO L138 BoogieDeclarations]: Found implementation of procedure to_acpi_node [2023-04-03 05:57:22,759 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_device_handle [2023-04-03 05:57:22,759 INFO L138 BoogieDeclarations]: Found implementation of procedure bq2415x_i2c_read [2023-04-03 05:57:22,759 INFO L138 BoogieDeclarations]: Found implementation of procedure bq2415x_i2c_read_mask [2023-04-03 05:57:22,759 INFO L138 BoogieDeclarations]: Found implementation of procedure bq2415x_i2c_read_bit [2023-04-03 05:57:22,759 INFO L138 BoogieDeclarations]: Found implementation of procedure bq2415x_i2c_write [2023-04-03 05:57:22,759 INFO L138 BoogieDeclarations]: Found implementation of procedure bq2415x_i2c_write_mask [2023-04-03 05:57:22,759 INFO L138 BoogieDeclarations]: Found implementation of procedure bq2415x_i2c_write_bit [2023-04-03 05:57:22,759 INFO L138 BoogieDeclarations]: Found implementation of procedure bq2415x_exec_command [2023-04-03 05:57:22,759 INFO L138 BoogieDeclarations]: Found implementation of procedure bq2415x_detect_chip [2023-04-03 05:57:22,760 INFO L138 BoogieDeclarations]: Found implementation of procedure bq2415x_detect_revision [2023-04-03 05:57:22,760 INFO L138 BoogieDeclarations]: Found implementation of procedure bq2415x_get_vender_code [2023-04-03 05:57:22,760 INFO L138 BoogieDeclarations]: Found implementation of procedure bq2415x_reset_chip [2023-04-03 05:57:22,760 INFO L138 BoogieDeclarations]: Found implementation of procedure bq2415x_set_current_limit [2023-04-03 05:57:22,760 INFO L138 BoogieDeclarations]: Found implementation of procedure bq2415x_get_current_limit [2023-04-03 05:57:22,760 INFO L138 BoogieDeclarations]: Found implementation of procedure bq2415x_set_weak_battery_voltage [2023-04-03 05:57:22,760 INFO L138 BoogieDeclarations]: Found implementation of procedure bq2415x_get_weak_battery_voltage [2023-04-03 05:57:22,761 INFO L138 BoogieDeclarations]: Found implementation of procedure bq2415x_set_battery_regulation_voltage [2023-04-03 05:57:22,761 INFO L138 BoogieDeclarations]: Found implementation of procedure bq2415x_get_battery_regulation_voltage [2023-04-03 05:57:22,761 INFO L138 BoogieDeclarations]: Found implementation of procedure bq2415x_set_charge_current [2023-04-03 05:57:22,761 INFO L138 BoogieDeclarations]: Found implementation of procedure bq2415x_get_charge_current [2023-04-03 05:57:22,761 INFO L138 BoogieDeclarations]: Found implementation of procedure bq2415x_set_termination_current [2023-04-03 05:57:22,762 INFO L138 BoogieDeclarations]: Found implementation of procedure bq2415x_get_termination_current [2023-04-03 05:57:22,762 INFO L138 BoogieDeclarations]: Found implementation of procedure bq2415x_set_defaults [2023-04-03 05:57:22,762 INFO L138 BoogieDeclarations]: Found implementation of procedure bq2415x_set_mode [2023-04-03 05:57:22,762 INFO L138 BoogieDeclarations]: Found implementation of procedure bq2415x_notifier_call [2023-04-03 05:57:22,762 INFO L138 BoogieDeclarations]: Found implementation of procedure bq2415x_set_autotimer [2023-04-03 05:57:22,762 INFO L138 BoogieDeclarations]: Found implementation of procedure bq2415x_timer_error [2023-04-03 05:57:22,762 INFO L138 BoogieDeclarations]: Found implementation of procedure bq2415x_timer_work [2023-04-03 05:57:22,763 INFO L138 BoogieDeclarations]: Found implementation of procedure bq2415x_power_supply_get_property [2023-04-03 05:57:22,763 INFO L138 BoogieDeclarations]: Found implementation of procedure bq2415x_power_supply_init [2023-04-03 05:57:22,763 INFO L138 BoogieDeclarations]: Found implementation of procedure bq2415x_power_supply_exit [2023-04-03 05:57:22,763 INFO L138 BoogieDeclarations]: Found implementation of procedure bq2415x_sysfs_show_status [2023-04-03 05:57:22,763 INFO L138 BoogieDeclarations]: Found implementation of procedure bq2415x_sysfs_set_timer [2023-04-03 05:57:22,763 INFO L138 BoogieDeclarations]: Found implementation of procedure bq2415x_sysfs_show_timer [2023-04-03 05:57:22,763 INFO L138 BoogieDeclarations]: Found implementation of procedure bq2415x_sysfs_set_mode [2023-04-03 05:57:22,763 INFO L138 BoogieDeclarations]: Found implementation of procedure bq2415x_sysfs_show_mode [2023-04-03 05:57:22,763 INFO L138 BoogieDeclarations]: Found implementation of procedure bq2415x_sysfs_show_reported_mode [2023-04-03 05:57:22,763 INFO L138 BoogieDeclarations]: Found implementation of procedure bq2415x_sysfs_set_registers [2023-04-03 05:57:22,763 INFO L138 BoogieDeclarations]: Found implementation of procedure bq2415x_sysfs_print_reg [2023-04-03 05:57:22,764 INFO L138 BoogieDeclarations]: Found implementation of procedure bq2415x_sysfs_show_registers [2023-04-03 05:57:22,764 INFO L138 BoogieDeclarations]: Found implementation of procedure bq2415x_sysfs_set_limit [2023-04-03 05:57:22,764 INFO L138 BoogieDeclarations]: Found implementation of procedure bq2415x_sysfs_show_limit [2023-04-03 05:57:22,764 INFO L138 BoogieDeclarations]: Found implementation of procedure bq2415x_sysfs_set_enable [2023-04-03 05:57:22,764 INFO L138 BoogieDeclarations]: Found implementation of procedure bq2415x_sysfs_show_enable [2023-04-03 05:57:22,764 INFO L138 BoogieDeclarations]: Found implementation of procedure bq2415x_sysfs_init [2023-04-03 05:57:22,764 INFO L138 BoogieDeclarations]: Found implementation of procedure bq2415x_sysfs_exit [2023-04-03 05:57:22,764 INFO L138 BoogieDeclarations]: Found implementation of procedure bq2415x_probe [2023-04-03 05:57:22,764 INFO L138 BoogieDeclarations]: Found implementation of procedure bq2415x_remove [2023-04-03 05:57:22,764 INFO L138 BoogieDeclarations]: Found implementation of procedure bq2415x_driver_init [2023-04-03 05:57:22,764 INFO L138 BoogieDeclarations]: Found implementation of procedure bq2415x_driver_exit [2023-04-03 05:57:22,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_device_attribute_12 [2023-04-03 05:57:22,764 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2023-04-03 05:57:22,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_device_attribute_13 [2023-04-03 05:57:22,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_device_attribute_17 [2023-04-03 05:57:22,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_device_attribute_14 [2023-04-03 05:57:22,765 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2023-04-03 05:57:22,766 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2023-04-03 05:57:22,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_device_attribute_16 [2023-04-03 05:57:22,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_device_attribute_11 [2023-04-03 05:57:22,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_device_attribute_19 [2023-04-03 05:57:22,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_device_attribute_9 [2023-04-03 05:57:22,766 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2023-04-03 05:57:22,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_device_attribute_15 [2023-04-03 05:57:22,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_i2c_driver_2 [2023-04-03 05:57:22,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_device_attribute_8 [2023-04-03 05:57:22,767 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_1 [2023-04-03 05:57:22,767 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_1 [2023-04-03 05:57:22,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_device_attribute_7 [2023-04-03 05:57:22,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_device_attribute_18 [2023-04-03 05:57:22,767 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 05:57:22,767 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-04-03 05:57:22,767 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-04-03 05:57:22,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_5 [2023-04-03 05:57:22,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_6 [2023-04-03 05:57:22,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_7 [2023-04-03 05:57:22,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_8 [2023-04-03 05:57:22,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_9 [2023-04-03 05:57:22,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2023-04-03 05:57:22,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2023-04-03 05:57:22,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_12 [2023-04-03 05:57:22,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_13 [2023-04-03 05:57:22,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_14 [2023-04-03 05:57:22,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_15 [2023-04-03 05:57:22,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_16 [2023-04-03 05:57:22,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_17 [2023-04-03 05:57:22,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_18 [2023-04-03 05:57:22,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_19 [2023-04-03 05:57:22,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_20 [2023-04-03 05:57:22,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_21 [2023-04-03 05:57:22,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_22 [2023-04-03 05:57:22,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cancel_delayed_work_sync_23 [2023-04-03 05:57:22,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_24 [2023-04-03 05:57:22,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cancel_delayed_work_sync_25 [2023-04-03 05:57:22,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_26 [2023-04-03 05:57:22,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_27 [2023-04-03 05:57:22,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_28 [2023-04-03 05:57:22,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_29 [2023-04-03 05:57:22,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_30 [2023-04-03 05:57:22,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_31 [2023-04-03 05:57:22,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-04-03 05:57:22,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2023-04-03 05:57:22,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-04-03 05:57:22,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2023-04-03 05:57:22,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2023-04-03 05:57:22,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2023-04-03 05:57:22,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_bq2415x_i2c_mutex [2023-04-03 05:57:22,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_bq2415x_i2c_mutex [2023-04-03 05:57:22,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_bq2415x_i2c_mutex [2023-04-03 05:57:22,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_bq2415x_i2c_mutex [2023-04-03 05:57:22,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_bq2415x_i2c_mutex [2023-04-03 05:57:22,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_bq2415x_i2c_mutex [2023-04-03 05:57:22,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_bq2415x_i2c_mutex [2023-04-03 05:57:22,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_bq2415x_i2c_mutex [2023-04-03 05:57:22,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_bq2415x_i2c_mutex [2023-04-03 05:57:22,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_bq2415x_i2c_mutex [2023-04-03 05:57:22,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_bq2415x_i2c_mutex [2023-04-03 05:57:22,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_bq2415x_id_mutex [2023-04-03 05:57:22,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_bq2415x_id_mutex [2023-04-03 05:57:22,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_bq2415x_id_mutex [2023-04-03 05:57:22,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_bq2415x_id_mutex [2023-04-03 05:57:22,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_bq2415x_id_mutex [2023-04-03 05:57:22,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_bq2415x_id_mutex [2023-04-03 05:57:22,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_bq2415x_id_mutex [2023-04-03 05:57:22,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_bq2415x_id_mutex [2023-04-03 05:57:22,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_bq2415x_id_mutex [2023-04-03 05:57:22,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_bq2415x_id_mutex [2023-04-03 05:57:22,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_bq2415x_id_mutex [2023-04-03 05:57:22,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_bq2415x_timer_mutex [2023-04-03 05:57:22,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_bq2415x_timer_mutex [2023-04-03 05:57:22,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_bq2415x_timer_mutex [2023-04-03 05:57:22,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_bq2415x_timer_mutex [2023-04-03 05:57:22,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_bq2415x_timer_mutex [2023-04-03 05:57:22,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_bq2415x_timer_mutex [2023-04-03 05:57:22,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_bq2415x_timer_mutex [2023-04-03 05:57:22,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_bq2415x_timer_mutex [2023-04-03 05:57:22,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_bq2415x_timer_mutex [2023-04-03 05:57:22,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_bq2415x_timer_mutex [2023-04-03 05:57:22,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_bq2415x_timer_mutex [2023-04-03 05:57:22,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2023-04-03 05:57:22,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2023-04-03 05:57:22,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2023-04-03 05:57:22,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i_mutex_of_inode [2023-04-03 05:57:22,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2023-04-03 05:57:22,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i_mutex_of_inode [2023-04-03 05:57:22,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2023-04-03 05:57:22,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_i_mutex_of_inode [2023-04-03 05:57:22,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_i_mutex_of_inode [2023-04-03 05:57:22,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2023-04-03 05:57:22,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_i_mutex_of_inode [2023-04-03 05:57:22,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2023-04-03 05:57:22,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2023-04-03 05:57:22,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2023-04-03 05:57:22,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2023-04-03 05:57:22,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2023-04-03 05:57:22,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2023-04-03 05:57:22,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2023-04-03 05:57:22,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2023-04-03 05:57:22,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2023-04-03 05:57:22,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2023-04-03 05:57:22,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2023-04-03 05:57:22,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2023-04-03 05:57:22,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2023-04-03 05:57:22,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2023-04-03 05:57:22,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2023-04-03 05:57:22,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2023-04-03 05:57:22,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2023-04-03 05:57:22,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2023-04-03 05:57:22,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2023-04-03 05:57:22,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2023-04-03 05:57:22,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2023-04-03 05:57:22,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2023-04-03 05:57:22,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-03 05:57:22,782 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-04-03 05:57:22,782 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-04-03 05:57:22,782 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-04-03 05:57:22,782 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_match_device [2023-04-03 05:57:22,782 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2023-04-03 05:57:22,782 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-04-03 05:57:22,782 INFO L138 BoogieDeclarations]: Found implementation of procedure device_property_read_u32_array [2023-04-03 05:57:22,782 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kmalloc [2023-04-03 05:57:22,783 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2023-04-03 05:57:22,783 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_driver [2023-04-03 05:57:22,783 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_register_driver [2023-04-03 05:57:22,783 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2023-04-03 05:57:22,783 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_alloc [2023-04-03 05:57:22,783 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2023-04-03 05:57:22,783 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-04-03 05:57:22,783 INFO L138 BoogieDeclarations]: Found implementation of procedure kasprintf [2023-04-03 05:57:22,783 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoll [2023-04-03 05:57:22,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-03 05:57:22,783 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-04-03 05:57:22,783 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-04-03 05:57:22,783 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2023-04-03 05:57:22,783 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-04-03 05:57:22,783 INFO L138 BoogieDeclarations]: Found implementation of procedure power_supply_get_by_name [2023-04-03 05:57:22,783 INFO L138 BoogieDeclarations]: Found implementation of procedure power_supply_get_by_phandle [2023-04-03 05:57:22,783 INFO L138 BoogieDeclarations]: Found implementation of procedure power_supply_get_drvdata [2023-04-03 05:57:22,784 INFO L138 BoogieDeclarations]: Found implementation of procedure power_supply_get_property [2023-04-03 05:57:22,784 INFO L138 BoogieDeclarations]: Found implementation of procedure power_supply_put [2023-04-03 05:57:22,784 INFO L138 BoogieDeclarations]: Found implementation of procedure power_supply_reg_notifier [2023-04-03 05:57:22,784 INFO L138 BoogieDeclarations]: Found implementation of procedure power_supply_register [2023-04-03 05:57:22,784 INFO L138 BoogieDeclarations]: Found implementation of procedure power_supply_unreg_notifier [2023-04-03 05:57:22,784 INFO L138 BoogieDeclarations]: Found implementation of procedure power_supply_unregister [2023-04-03 05:57:22,784 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2023-04-03 05:57:22,784 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-04-03 05:57:22,784 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2023-04-03 05:57:22,784 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_notify [2023-04-03 05:57:22,784 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2023-04-03 05:57:22,784 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-03 05:57:22,784 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-03 05:57:22,784 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-03 05:57:22,785 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-04-03 05:57:22,785 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-04-03 05:57:22,785 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 05:57:22,785 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 05:57:22,785 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-03 05:57:22,785 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-03 05:57:22,785 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 05:57:22,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 05:57:22,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-03 05:57:22,785 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-04-03 05:57:22,785 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoll [2023-04-03 05:57:22,786 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtol [2023-04-03 05:57:22,788 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-04-03 05:57:22,788 INFO L130 BoogieDeclarations]: Found specification of procedure kasprintf [2023-04-03 05:57:22,789 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2023-04-03 05:57:22,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-04-03 05:57:22,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2023-04-03 05:57:22,789 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-04-03 05:57:22,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 05:57:22,789 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-04-03 05:57:22,789 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-03 05:57:22,789 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2023-04-03 05:57:22,790 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2023-04-03 05:57:22,790 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2023-04-03 05:57:22,790 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-04-03 05:57:22,790 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-04-03 05:57:22,790 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-04-03 05:57:22,790 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2023-04-03 05:57:22,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_13 [2023-04-03 05:57:22,790 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-04-03 05:57:22,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2023-04-03 05:57:22,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_14 [2023-04-03 05:57:22,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_15 [2023-04-03 05:57:22,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_18 [2023-04-03 05:57:22,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_20 [2023-04-03 05:57:22,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_22 [2023-04-03 05:57:22,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_24 [2023-04-03 05:57:22,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_27 [2023-04-03 05:57:22,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_29 [2023-04-03 05:57:22,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_31 [2023-04-03 05:57:22,791 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 05:57:22,791 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-03 05:57:22,791 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 05:57:22,791 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-03 05:57:22,791 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-03 05:57:22,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-03 05:57:22,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 05:57:22,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-03 05:57:22,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-03 05:57:22,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-04-03 05:57:22,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-04-03 05:57:22,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-03 05:57:22,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-03 05:57:22,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-03 05:57:22,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-03 05:57:22,791 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-04-03 05:57:22,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2023-04-03 05:57:22,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_12 [2023-04-03 05:57:22,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_16 [2023-04-03 05:57:22,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_17 [2023-04-03 05:57:22,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_19 [2023-04-03 05:57:22,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_21 [2023-04-03 05:57:22,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_26 [2023-04-03 05:57:22,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_28 [2023-04-03 05:57:22,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_30 [2023-04-03 05:57:22,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_bq2415x_i2c_mutex [2023-04-03 05:57:22,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_bq2415x_i2c_mutex [2023-04-03 05:57:22,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_bq2415x_id_mutex [2023-04-03 05:57:22,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_bq2415x_id_mutex [2023-04-03 05:57:22,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_bq2415x_timer_mutex [2023-04-03 05:57:22,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_bq2415x_timer_mutex [2023-04-03 05:57:22,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2023-04-03 05:57:22,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2023-04-03 05:57:22,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2023-04-03 05:57:22,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2023-04-03 05:57:22,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2023-04-03 05:57:22,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2023-04-03 05:57:22,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2023-04-03 05:57:22,793 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-04-03 05:57:22,793 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2023-04-03 05:57:22,793 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-04-03 05:57:22,793 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-04-03 05:57:22,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_5 [2023-04-03 05:57:22,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_7 [2023-04-03 05:57:22,793 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2023-04-03 05:57:22,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_6 [2023-04-03 05:57:22,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_9 [2023-04-03 05:57:22,793 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2023-04-03 05:57:22,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_8 [2023-04-03 05:57:22,793 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2023-04-03 05:57:22,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cancel_delayed_work_sync_23 [2023-04-03 05:57:22,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cancel_delayed_work_sync_25 [2023-04-03 05:57:22,793 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2023-04-03 05:57:22,793 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2023-04-03 05:57:22,794 INFO L130 BoogieDeclarations]: Found specification of procedure idr_alloc [2023-04-03 05:57:22,794 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2023-04-03 05:57:22,794 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-03 05:57:22,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_device_attribute_12 [2023-04-03 05:57:22,794 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2023-04-03 05:57:22,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_device_attribute_13 [2023-04-03 05:57:22,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_device_attribute_17 [2023-04-03 05:57:22,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_device_attribute_14 [2023-04-03 05:57:22,794 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2023-04-03 05:57:22,794 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2023-04-03 05:57:22,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_device_attribute_16 [2023-04-03 05:57:22,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_device_attribute_11 [2023-04-03 05:57:22,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_device_attribute_19 [2023-04-03 05:57:22,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_device_attribute_9 [2023-04-03 05:57:22,794 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2023-04-03 05:57:22,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_device_attribute_15 [2023-04-03 05:57:22,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_i2c_driver_2 [2023-04-03 05:57:22,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_device_attribute_8 [2023-04-03 05:57:22,795 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_1 [2023-04-03 05:57:22,795 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_1 [2023-04-03 05:57:22,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_device_attribute_7 [2023-04-03 05:57:22,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_device_attribute_18 [2023-04-03 05:57:22,795 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2023-04-03 05:57:22,795 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2023-04-03 05:57:22,795 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_notify [2023-04-03 05:57:22,795 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kmalloc [2023-04-03 05:57:22,795 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2023-04-03 05:57:22,795 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-04-03 05:57:22,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 05:57:22,795 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-04-03 05:57:22,795 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-04-03 05:57:22,795 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-04-03 05:57:22,795 INFO L130 BoogieDeclarations]: Found specification of procedure power_supply_reg_notifier [2023-04-03 05:57:22,795 INFO L130 BoogieDeclarations]: Found specification of procedure power_supply_unreg_notifier [2023-04-03 05:57:22,795 INFO L130 BoogieDeclarations]: Found specification of procedure power_supply_get_by_name [2023-04-03 05:57:22,796 INFO L130 BoogieDeclarations]: Found specification of procedure power_supply_put [2023-04-03 05:57:22,796 INFO L130 BoogieDeclarations]: Found specification of procedure power_supply_get_by_phandle [2023-04-03 05:57:22,796 INFO L130 BoogieDeclarations]: Found specification of procedure power_supply_get_property [2023-04-03 05:57:22,796 INFO L130 BoogieDeclarations]: Found specification of procedure power_supply_register [2023-04-03 05:57:22,796 INFO L130 BoogieDeclarations]: Found specification of procedure power_supply_unregister [2023-04-03 05:57:22,796 INFO L130 BoogieDeclarations]: Found specification of procedure power_supply_get_drvdata [2023-04-03 05:57:22,796 INFO L130 BoogieDeclarations]: Found specification of procedure device_property_read_u32_array [2023-04-03 05:57:22,796 INFO L130 BoogieDeclarations]: Found specification of procedure device_property_read_u32 [2023-04-03 05:57:22,796 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2023-04-03 05:57:22,796 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2023-04-03 05:57:22,796 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_set_clientdata [2023-04-03 05:57:22,796 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_register_driver [2023-04-03 05:57:22,796 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_driver [2023-04-03 05:57:22,796 INFO L130 BoogieDeclarations]: Found specification of procedure is_acpi_node [2023-04-03 05:57:22,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 05:57:22,796 INFO L130 BoogieDeclarations]: Found specification of procedure to_acpi_node [2023-04-03 05:57:22,796 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_device_handle [2023-04-03 05:57:22,796 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_match_device [2023-04-03 05:57:22,797 INFO L130 BoogieDeclarations]: Found specification of procedure bq2415x_i2c_read [2023-04-03 05:57:22,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-03 05:57:22,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 05:57:22,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 05:57:22,797 INFO L130 BoogieDeclarations]: Found specification of procedure bq2415x_i2c_read_mask [2023-04-03 05:57:22,797 INFO L130 BoogieDeclarations]: Found specification of procedure bq2415x_i2c_read_bit [2023-04-03 05:57:22,797 INFO L130 BoogieDeclarations]: Found specification of procedure bq2415x_i2c_write [2023-04-03 05:57:22,797 INFO L130 BoogieDeclarations]: Found specification of procedure bq2415x_i2c_write_mask [2023-04-03 05:57:22,797 INFO L130 BoogieDeclarations]: Found specification of procedure bq2415x_i2c_write_bit [2023-04-03 05:57:22,797 INFO L130 BoogieDeclarations]: Found specification of procedure bq2415x_exec_command [2023-04-03 05:57:22,797 INFO L130 BoogieDeclarations]: Found specification of procedure bq2415x_detect_chip [2023-04-03 05:57:22,797 INFO L130 BoogieDeclarations]: Found specification of procedure bq2415x_detect_revision [2023-04-03 05:57:22,797 INFO L130 BoogieDeclarations]: Found specification of procedure bq2415x_get_vender_code [2023-04-03 05:57:22,797 INFO L130 BoogieDeclarations]: Found specification of procedure bq2415x_reset_chip [2023-04-03 05:57:22,797 INFO L130 BoogieDeclarations]: Found specification of procedure bq2415x_set_current_limit [2023-04-03 05:57:22,797 INFO L130 BoogieDeclarations]: Found specification of procedure bq2415x_get_current_limit [2023-04-03 05:57:22,797 INFO L130 BoogieDeclarations]: Found specification of procedure bq2415x_set_weak_battery_voltage [2023-04-03 05:57:22,797 INFO L130 BoogieDeclarations]: Found specification of procedure bq2415x_get_weak_battery_voltage [2023-04-03 05:57:22,798 INFO L130 BoogieDeclarations]: Found specification of procedure bq2415x_set_battery_regulation_voltage [2023-04-03 05:57:22,798 INFO L130 BoogieDeclarations]: Found specification of procedure bq2415x_get_battery_regulation_voltage [2023-04-03 05:57:22,798 INFO L130 BoogieDeclarations]: Found specification of procedure bq2415x_set_charge_current [2023-04-03 05:57:22,798 INFO L130 BoogieDeclarations]: Found specification of procedure bq2415x_get_charge_current [2023-04-03 05:57:22,798 INFO L130 BoogieDeclarations]: Found specification of procedure bq2415x_set_termination_current [2023-04-03 05:57:22,798 INFO L130 BoogieDeclarations]: Found specification of procedure bq2415x_get_termination_current [2023-04-03 05:57:22,798 INFO L130 BoogieDeclarations]: Found specification of procedure bq2415x_set_defaults [2023-04-03 05:57:22,798 INFO L130 BoogieDeclarations]: Found specification of procedure bq2415x_set_mode [2023-04-03 05:57:22,798 INFO L130 BoogieDeclarations]: Found specification of procedure bq2415x_notifier_call [2023-04-03 05:57:22,798 INFO L130 BoogieDeclarations]: Found specification of procedure bq2415x_set_autotimer [2023-04-03 05:57:22,798 INFO L130 BoogieDeclarations]: Found specification of procedure bq2415x_timer_error [2023-04-03 05:57:22,798 INFO L130 BoogieDeclarations]: Found specification of procedure bq2415x_timer_work [2023-04-03 05:57:22,798 INFO L130 BoogieDeclarations]: Found specification of procedure bq2415x_power_supply_get_property [2023-04-03 05:57:22,798 INFO L130 BoogieDeclarations]: Found specification of procedure bq2415x_power_supply_init [2023-04-03 05:57:22,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-04-03 05:57:22,798 INFO L130 BoogieDeclarations]: Found specification of procedure bq2415x_power_supply_exit [2023-04-03 05:57:22,798 INFO L130 BoogieDeclarations]: Found specification of procedure bq2415x_sysfs_show_status [2023-04-03 05:57:22,798 INFO L130 BoogieDeclarations]: Found specification of procedure bq2415x_sysfs_set_timer [2023-04-03 05:57:22,799 INFO L130 BoogieDeclarations]: Found specification of procedure bq2415x_sysfs_show_timer [2023-04-03 05:57:22,799 INFO L130 BoogieDeclarations]: Found specification of procedure bq2415x_sysfs_set_mode [2023-04-03 05:57:22,799 INFO L130 BoogieDeclarations]: Found specification of procedure bq2415x_sysfs_show_mode [2023-04-03 05:57:22,799 INFO L130 BoogieDeclarations]: Found specification of procedure bq2415x_sysfs_show_reported_mode [2023-04-03 05:57:22,799 INFO L130 BoogieDeclarations]: Found specification of procedure bq2415x_sysfs_set_registers [2023-04-03 05:57:22,799 INFO L130 BoogieDeclarations]: Found specification of procedure bq2415x_sysfs_print_reg [2023-04-03 05:57:22,799 INFO L130 BoogieDeclarations]: Found specification of procedure bq2415x_sysfs_show_registers [2023-04-03 05:57:22,799 INFO L130 BoogieDeclarations]: Found specification of procedure bq2415x_sysfs_set_limit [2023-04-03 05:57:22,799 INFO L130 BoogieDeclarations]: Found specification of procedure bq2415x_sysfs_show_limit [2023-04-03 05:57:22,799 INFO L130 BoogieDeclarations]: Found specification of procedure bq2415x_sysfs_set_enable [2023-04-03 05:57:22,799 INFO L130 BoogieDeclarations]: Found specification of procedure bq2415x_sysfs_show_enable [2023-04-03 05:57:22,799 INFO L130 BoogieDeclarations]: Found specification of procedure bq2415x_sysfs_init [2023-04-03 05:57:22,799 INFO L130 BoogieDeclarations]: Found specification of procedure bq2415x_sysfs_exit [2023-04-03 05:57:22,799 INFO L130 BoogieDeclarations]: Found specification of procedure bq2415x_probe [2023-04-03 05:57:22,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-04-03 05:57:22,799 INFO L130 BoogieDeclarations]: Found specification of procedure bq2415x_remove [2023-04-03 05:57:22,799 INFO L130 BoogieDeclarations]: Found specification of procedure bq2415x_driver_init [2023-04-03 05:57:22,800 INFO L130 BoogieDeclarations]: Found specification of procedure bq2415x_driver_exit [2023-04-03 05:57:22,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-03 05:57:22,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-03 05:57:22,800 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 05:57:22,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-04-03 05:57:22,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2023-04-03 05:57:22,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2023-04-03 05:57:22,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2023-04-03 05:57:22,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_bq2415x_i2c_mutex [2023-04-03 05:57:22,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_bq2415x_i2c_mutex [2023-04-03 05:57:22,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_bq2415x_i2c_mutex [2023-04-03 05:57:22,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_bq2415x_i2c_mutex [2023-04-03 05:57:22,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_bq2415x_i2c_mutex [2023-04-03 05:57:22,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_bq2415x_i2c_mutex [2023-04-03 05:57:22,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_bq2415x_i2c_mutex [2023-04-03 05:57:22,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_bq2415x_i2c_mutex [2023-04-03 05:57:22,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_bq2415x_i2c_mutex [2023-04-03 05:57:22,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_bq2415x_id_mutex [2023-04-03 05:57:22,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_bq2415x_id_mutex [2023-04-03 05:57:22,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_bq2415x_id_mutex [2023-04-03 05:57:22,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_bq2415x_id_mutex [2023-04-03 05:57:22,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_bq2415x_id_mutex [2023-04-03 05:57:22,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_bq2415x_id_mutex [2023-04-03 05:57:22,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_bq2415x_id_mutex [2023-04-03 05:57:22,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_bq2415x_id_mutex [2023-04-03 05:57:22,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_bq2415x_id_mutex [2023-04-03 05:57:22,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_bq2415x_timer_mutex [2023-04-03 05:57:22,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_bq2415x_timer_mutex [2023-04-03 05:57:22,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_bq2415x_timer_mutex [2023-04-03 05:57:22,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_bq2415x_timer_mutex [2023-04-03 05:57:22,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_bq2415x_timer_mutex [2023-04-03 05:57:22,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_bq2415x_timer_mutex [2023-04-03 05:57:22,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_bq2415x_timer_mutex [2023-04-03 05:57:22,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_bq2415x_timer_mutex [2023-04-03 05:57:22,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_bq2415x_timer_mutex [2023-04-03 05:57:22,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2023-04-03 05:57:22,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2023-04-03 05:57:22,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i_mutex_of_inode [2023-04-03 05:57:22,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2023-04-03 05:57:22,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i_mutex_of_inode [2023-04-03 05:57:22,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_i_mutex_of_inode [2023-04-03 05:57:22,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_i_mutex_of_inode [2023-04-03 05:57:22,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2023-04-03 05:57:22,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_i_mutex_of_inode [2023-04-03 05:57:22,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2023-04-03 05:57:22,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2023-04-03 05:57:22,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2023-04-03 05:57:22,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2023-04-03 05:57:22,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2023-04-03 05:57:22,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2023-04-03 05:57:22,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2023-04-03 05:57:22,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2023-04-03 05:57:22,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2023-04-03 05:57:22,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2023-04-03 05:57:22,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2023-04-03 05:57:22,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2023-04-03 05:57:22,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2023-04-03 05:57:22,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2023-04-03 05:57:22,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2023-04-03 05:57:22,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2023-04-03 05:57:22,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2023-04-03 05:57:22,803 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-04-03 05:57:22,803 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 05:57:22,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 05:57:22,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 05:57:22,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-03 05:57:22,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-03 05:57:22,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 05:57:22,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-04-03 05:57:22,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-04-03 05:57:22,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-04-03 05:57:23,529 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 05:57:23,539 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 05:57:23,828 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-03 05:59:11,817 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 05:59:12,860 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 05:59:12,860 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-03 05:59:12,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 05:59:12 BoogieIcfgContainer [2023-04-03 05:59:12,865 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 05:59:12,868 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 05:59:12,868 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 05:59:12,870 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 05:59:12,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 05:57:20" (1/3) ... [2023-04-03 05:59:12,870 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13dcb7e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 05:59:12, skipping insertion in model container [2023-04-03 05:59:12,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:57:22" (2/3) ... [2023-04-03 05:59:12,870 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13dcb7e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 05:59:12, skipping insertion in model container [2023-04-03 05:59:12,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 05:59:12" (3/3) ... [2023-04-03 05:59:12,871 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--power--bq2415x_charger.ko-entry_point.cil.out.i [2023-04-03 05:59:12,883 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 05:59:12,883 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 05:59:12,953 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 05:59:12,958 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@67dbc78a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 05:59:12,958 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 05:59:12,967 INFO L276 IsEmpty]: Start isEmpty. Operand has 1869 states, 1095 states have (on average 1.326027397260274) internal successors, (1452), 1155 states have internal predecessors, (1452), 543 states have call successors, (543), 158 states have call predecessors, (543), 157 states have return successors, (521), 509 states have call predecessors, (521), 521 states have call successors, (521) [2023-04-03 05:59:12,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 619 [2023-04-03 05:59:12,997 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:59:12,998 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 40, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 05:59:12,998 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:59:13,004 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:59:13,004 INFO L85 PathProgramCache]: Analyzing trace with hash -1711089677, now seen corresponding path program 1 times [2023-04-03 05:59:13,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:59:13,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586087299] [2023-04-03 05:59:13,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:59:13,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:59:13,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:59:14,511 INFO L134 CoverageAnalysis]: Checked inductivity of 8262 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8262 trivial. 0 not checked. [2023-04-03 05:59:14,511 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:59:14,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586087299] [2023-04-03 05:59:14,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586087299] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:59:14,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:59:14,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 05:59:14,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330016351] [2023-04-03 05:59:14,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:59:14,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 05:59:14,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:59:14,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 05:59:14,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:59:14,552 INFO L87 Difference]: Start difference. First operand has 1869 states, 1095 states have (on average 1.326027397260274) internal successors, (1452), 1155 states have internal predecessors, (1452), 543 states have call successors, (543), 158 states have call predecessors, (543), 157 states have return successors, (521), 509 states have call predecessors, (521), 521 states have call successors, (521) Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (63), 2 states have call predecessors, (63), 1 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2023-04-03 05:59:16,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:59:18,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:59:18,422 INFO L93 Difference]: Finished difference Result 4103 states and 6154 transitions. [2023-04-03 05:59:18,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 05:59:18,424 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (63), 2 states have call predecessors, (63), 1 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) Word has length 618 [2023-04-03 05:59:18,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:59:18,447 INFO L225 Difference]: With dead ends: 4103 [2023-04-03 05:59:18,448 INFO L226 Difference]: Without dead ends: 2579 [2023-04-03 05:59:18,461 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:59:18,463 INFO L413 NwaCegarLoop]: 2073 mSDtfsCounter, 1659 mSDsluCounter, 1896 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1659 SdHoareTripleChecker+Valid, 3969 SdHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-04-03 05:59:18,464 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1659 Valid, 3969 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 303 Invalid, 1 Unknown, 0 Unchecked, 3.6s Time] [2023-04-03 05:59:18,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2579 states. [2023-04-03 05:59:18,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2579 to 2552. [2023-04-03 05:59:18,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2552 states, 1594 states have (on average 1.3525721455457966) internal successors, (2156), 1640 states have internal predecessors, (2156), 725 states have call successors, (725), 235 states have call predecessors, (725), 232 states have return successors, (711), 686 states have call predecessors, (711), 711 states have call successors, (711) [2023-04-03 05:59:18,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2552 states to 2552 states and 3592 transitions. [2023-04-03 05:59:18,621 INFO L78 Accepts]: Start accepts. Automaton has 2552 states and 3592 transitions. Word has length 618 [2023-04-03 05:59:18,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:59:18,626 INFO L495 AbstractCegarLoop]: Abstraction has 2552 states and 3592 transitions. [2023-04-03 05:59:18,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (63), 2 states have call predecessors, (63), 1 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2023-04-03 05:59:18,627 INFO L276 IsEmpty]: Start isEmpty. Operand 2552 states and 3592 transitions. [2023-04-03 05:59:18,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 623 [2023-04-03 05:59:18,637 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:59:18,637 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 40, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 05:59:18,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 05:59:18,638 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:59:18,638 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:59:18,639 INFO L85 PathProgramCache]: Analyzing trace with hash -1855732157, now seen corresponding path program 1 times [2023-04-03 05:59:18,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:59:18,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596283506] [2023-04-03 05:59:18,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:59:18,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:59:19,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:59:19,869 INFO L134 CoverageAnalysis]: Checked inductivity of 8262 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8262 trivial. 0 not checked. [2023-04-03 05:59:19,869 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:59:19,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596283506] [2023-04-03 05:59:19,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596283506] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:59:19,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:59:19,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 05:59:19,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377965205] [2023-04-03 05:59:19,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:59:19,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 05:59:19,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:59:19,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 05:59:19,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:59:19,873 INFO L87 Difference]: Start difference. First operand 2552 states and 3592 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (63), 2 states have call predecessors, (63), 1 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2023-04-03 05:59:21,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:59:24,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:59:26,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:59:26,287 INFO L93 Difference]: Finished difference Result 7183 states and 10148 transitions. [2023-04-03 05:59:26,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 05:59:26,288 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (63), 2 states have call predecessors, (63), 1 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) Word has length 622 [2023-04-03 05:59:26,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:59:26,313 INFO L225 Difference]: With dead ends: 7183 [2023-04-03 05:59:26,313 INFO L226 Difference]: Without dead ends: 4754 [2023-04-03 05:59:26,326 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:59:26,326 INFO L413 NwaCegarLoop]: 2484 mSDtfsCounter, 1826 mSDsluCounter, 2009 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1826 SdHoareTripleChecker+Valid, 4493 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2023-04-03 05:59:26,327 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1826 Valid, 4493 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 362 Invalid, 2 Unknown, 0 Unchecked, 6.2s Time] [2023-04-03 05:59:26,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4754 states. [2023-04-03 05:59:26,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4754 to 4746. [2023-04-03 05:59:26,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4746 states, 3013 states have (on average 1.3680716893461666) internal successors, (4122), 3091 states have internal predecessors, (4122), 1305 states have call successors, (1305), 430 states have call predecessors, (1305), 427 states have return successors, (1291), 1242 states have call predecessors, (1291), 1291 states have call successors, (1291) [2023-04-03 05:59:26,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4746 states to 4746 states and 6718 transitions. [2023-04-03 05:59:26,479 INFO L78 Accepts]: Start accepts. Automaton has 4746 states and 6718 transitions. Word has length 622 [2023-04-03 05:59:26,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:59:26,481 INFO L495 AbstractCegarLoop]: Abstraction has 4746 states and 6718 transitions. [2023-04-03 05:59:26,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (63), 2 states have call predecessors, (63), 1 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2023-04-03 05:59:26,482 INFO L276 IsEmpty]: Start isEmpty. Operand 4746 states and 6718 transitions. [2023-04-03 05:59:26,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 627 [2023-04-03 05:59:26,490 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:59:26,490 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 40, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 05:59:26,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 05:59:26,491 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:59:26,491 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:59:26,491 INFO L85 PathProgramCache]: Analyzing trace with hash -180771579, now seen corresponding path program 1 times [2023-04-03 05:59:26,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:59:26,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433956092] [2023-04-03 05:59:26,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:59:26,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:59:26,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:59:27,896 INFO L134 CoverageAnalysis]: Checked inductivity of 8262 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8262 trivial. 0 not checked. [2023-04-03 05:59:27,896 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:59:27,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433956092] [2023-04-03 05:59:27,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433956092] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:59:27,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:59:27,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 05:59:27,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244012380] [2023-04-03 05:59:27,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:59:27,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 05:59:27,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:59:27,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 05:59:27,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:59:27,898 INFO L87 Difference]: Start difference. First operand 4746 states and 6718 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (63), 3 states have call predecessors, (63), 2 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2023-04-03 05:59:29,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:59:31,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:59:31,091 INFO L93 Difference]: Finished difference Result 4758 states and 6724 transitions. [2023-04-03 05:59:31,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 05:59:31,091 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (63), 3 states have call predecessors, (63), 2 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) Word has length 626 [2023-04-03 05:59:31,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:59:31,115 INFO L225 Difference]: With dead ends: 4758 [2023-04-03 05:59:31,115 INFO L226 Difference]: Without dead ends: 4754 [2023-04-03 05:59:31,119 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:59:31,122 INFO L413 NwaCegarLoop]: 2020 mSDtfsCounter, 2011 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2011 SdHoareTripleChecker+Valid, 2048 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-04-03 05:59:31,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2011 Valid, 2048 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 156 Invalid, 1 Unknown, 0 Unchecked, 3.1s Time] [2023-04-03 05:59:31,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4754 states. [2023-04-03 05:59:31,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4754 to 4752. [2023-04-03 05:59:31,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4752 states, 3017 states have (on average 1.3659264169705005) internal successors, (4121), 3093 states have internal predecessors, (4121), 1303 states have call successors, (1303), 434 states have call predecessors, (1303), 431 states have return successors, (1291), 1242 states have call predecessors, (1291), 1291 states have call successors, (1291) [2023-04-03 05:59:31,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4752 states to 4752 states and 6715 transitions. [2023-04-03 05:59:31,381 INFO L78 Accepts]: Start accepts. Automaton has 4752 states and 6715 transitions. Word has length 626 [2023-04-03 05:59:31,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:59:31,381 INFO L495 AbstractCegarLoop]: Abstraction has 4752 states and 6715 transitions. [2023-04-03 05:59:31,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (63), 3 states have call predecessors, (63), 2 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2023-04-03 05:59:31,382 INFO L276 IsEmpty]: Start isEmpty. Operand 4752 states and 6715 transitions. [2023-04-03 05:59:31,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 628 [2023-04-03 05:59:31,390 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:59:31,391 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 40, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 05:59:31,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 05:59:31,391 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:59:31,391 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:59:31,391 INFO L85 PathProgramCache]: Analyzing trace with hash -1310049791, now seen corresponding path program 1 times [2023-04-03 05:59:31,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:59:31,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157720645] [2023-04-03 05:59:31,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:59:31,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:59:31,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:59:32,600 INFO L134 CoverageAnalysis]: Checked inductivity of 8262 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8262 trivial. 0 not checked. [2023-04-03 05:59:32,600 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:59:32,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157720645] [2023-04-03 05:59:32,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157720645] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:59:32,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:59:32,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 05:59:32,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441111802] [2023-04-03 05:59:32,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:59:32,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 05:59:32,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:59:32,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 05:59:32,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:59:32,602 INFO L87 Difference]: Start difference. First operand 4752 states and 6715 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (63), 3 states have call predecessors, (63), 2 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2023-04-03 05:59:34,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:59:35,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:59:35,783 INFO L93 Difference]: Finished difference Result 4760 states and 6719 transitions. [2023-04-03 05:59:35,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 05:59:35,784 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (63), 3 states have call predecessors, (63), 2 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) Word has length 627 [2023-04-03 05:59:35,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:59:35,808 INFO L225 Difference]: With dead ends: 4760 [2023-04-03 05:59:35,808 INFO L226 Difference]: Without dead ends: 4756 [2023-04-03 05:59:35,811 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:59:35,814 INFO L413 NwaCegarLoop]: 2016 mSDtfsCounter, 1996 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1996 SdHoareTripleChecker+Valid, 2053 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-04-03 05:59:35,815 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1996 Valid, 2053 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 156 Invalid, 1 Unknown, 0 Unchecked, 3.1s Time] [2023-04-03 05:59:35,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4756 states. [2023-04-03 05:59:36,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4756 to 4754. [2023-04-03 05:59:36,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4754 states, 3019 states have (on average 1.3646902947996025) internal successors, (4120), 3093 states have internal predecessors, (4120), 1301 states have call successors, (1301), 436 states have call predecessors, (1301), 433 states have return successors, (1291), 1242 states have call predecessors, (1291), 1291 states have call successors, (1291) [2023-04-03 05:59:36,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4754 states to 4754 states and 6712 transitions. [2023-04-03 05:59:36,099 INFO L78 Accepts]: Start accepts. Automaton has 4754 states and 6712 transitions. Word has length 627 [2023-04-03 05:59:36,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:59:36,100 INFO L495 AbstractCegarLoop]: Abstraction has 4754 states and 6712 transitions. [2023-04-03 05:59:36,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (63), 3 states have call predecessors, (63), 2 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2023-04-03 05:59:36,101 INFO L276 IsEmpty]: Start isEmpty. Operand 4754 states and 6712 transitions. [2023-04-03 05:59:36,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 629 [2023-04-03 05:59:36,105 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:59:36,105 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 40, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 05:59:36,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 05:59:36,105 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:59:36,106 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:59:36,106 INFO L85 PathProgramCache]: Analyzing trace with hash -1957931128, now seen corresponding path program 1 times [2023-04-03 05:59:36,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:59:36,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084801488] [2023-04-03 05:59:36,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:59:36,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:59:36,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:59:37,209 INFO L134 CoverageAnalysis]: Checked inductivity of 8262 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8262 trivial. 0 not checked. [2023-04-03 05:59:37,210 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:59:37,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084801488] [2023-04-03 05:59:37,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084801488] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:59:37,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:59:37,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 05:59:37,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822145632] [2023-04-03 05:59:37,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:59:37,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 05:59:37,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:59:37,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 05:59:37,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:59:37,211 INFO L87 Difference]: Start difference. First operand 4754 states and 6712 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (63), 3 states have call predecessors, (63), 2 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2023-04-03 05:59:39,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:59:40,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:59:40,670 INFO L93 Difference]: Finished difference Result 5515 states and 7735 transitions. [2023-04-03 05:59:40,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 05:59:40,671 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (63), 3 states have call predecessors, (63), 2 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) Word has length 628 [2023-04-03 05:59:40,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:59:40,692 INFO L225 Difference]: With dead ends: 5515 [2023-04-03 05:59:40,692 INFO L226 Difference]: Without dead ends: 5511 [2023-04-03 05:59:40,694 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:59:40,696 INFO L413 NwaCegarLoop]: 2039 mSDtfsCounter, 1994 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1994 SdHoareTripleChecker+Valid, 2311 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-04-03 05:59:40,697 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1994 Valid, 2311 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 182 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2023-04-03 05:59:40,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5511 states. [2023-04-03 05:59:40,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5511 to 5508. [2023-04-03 05:59:40,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5508 states, 3479 states have (on average 1.3564242598447829) internal successors, (4719), 3551 states have internal predecessors, (4719), 1507 states have call successors, (1507), 524 states have call predecessors, (1507), 521 states have return successors, (1499), 1450 states have call predecessors, (1499), 1499 states have call successors, (1499) [2023-04-03 05:59:40,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5508 states to 5508 states and 7725 transitions. [2023-04-03 05:59:40,889 INFO L78 Accepts]: Start accepts. Automaton has 5508 states and 7725 transitions. Word has length 628 [2023-04-03 05:59:40,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:59:40,889 INFO L495 AbstractCegarLoop]: Abstraction has 5508 states and 7725 transitions. [2023-04-03 05:59:40,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (63), 3 states have call predecessors, (63), 2 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2023-04-03 05:59:40,890 INFO L276 IsEmpty]: Start isEmpty. Operand 5508 states and 7725 transitions. [2023-04-03 05:59:40,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 630 [2023-04-03 05:59:40,894 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:59:40,894 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 40, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 05:59:40,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 05:59:40,894 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:59:40,895 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:59:40,895 INFO L85 PathProgramCache]: Analyzing trace with hash -567411228, now seen corresponding path program 1 times [2023-04-03 05:59:40,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:59:40,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545223077] [2023-04-03 05:59:40,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:59:40,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:59:41,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:59:41,674 INFO L134 CoverageAnalysis]: Checked inductivity of 8262 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8262 trivial. 0 not checked. [2023-04-03 05:59:41,675 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:59:41,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545223077] [2023-04-03 05:59:41,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545223077] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:59:41,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:59:41,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 05:59:41,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110587542] [2023-04-03 05:59:41,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:59:41,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 05:59:41,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:59:41,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 05:59:41,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:59:41,676 INFO L87 Difference]: Start difference. First operand 5508 states and 7725 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (63), 3 states have call predecessors, (63), 2 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2023-04-03 05:59:43,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:59:44,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:59:44,877 INFO L93 Difference]: Finished difference Result 5510 states and 7726 transitions. [2023-04-03 05:59:44,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 05:59:44,877 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (63), 3 states have call predecessors, (63), 2 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) Word has length 629 [2023-04-03 05:59:44,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:59:44,911 INFO L225 Difference]: With dead ends: 5510 [2023-04-03 05:59:44,911 INFO L226 Difference]: Without dead ends: 5507 [2023-04-03 05:59:44,914 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:59:44,914 INFO L413 NwaCegarLoop]: 2011 mSDtfsCounter, 2029 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2029 SdHoareTripleChecker+Valid, 2012 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-04-03 05:59:44,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2029 Valid, 2012 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 149 Invalid, 1 Unknown, 0 Unchecked, 3.1s Time] [2023-04-03 05:59:44,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5507 states. [2023-04-03 05:59:45,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5507 to 5507. [2023-04-03 05:59:45,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5507 states, 3479 states have (on average 1.3561368209255533) internal successors, (4718), 3550 states have internal predecessors, (4718), 1506 states have call successors, (1506), 524 states have call predecessors, (1506), 521 states have return successors, (1499), 1450 states have call predecessors, (1499), 1499 states have call successors, (1499) [2023-04-03 05:59:45,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5507 states to 5507 states and 7723 transitions. [2023-04-03 05:59:45,183 INFO L78 Accepts]: Start accepts. Automaton has 5507 states and 7723 transitions. Word has length 629 [2023-04-03 05:59:45,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:59:45,183 INFO L495 AbstractCegarLoop]: Abstraction has 5507 states and 7723 transitions. [2023-04-03 05:59:45,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (63), 3 states have call predecessors, (63), 2 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2023-04-03 05:59:45,184 INFO L276 IsEmpty]: Start isEmpty. Operand 5507 states and 7723 transitions. [2023-04-03 05:59:45,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 631 [2023-04-03 05:59:45,188 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:59:45,189 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 40, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 05:59:45,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-03 05:59:45,189 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:59:45,189 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:59:45,189 INFO L85 PathProgramCache]: Analyzing trace with hash -410962421, now seen corresponding path program 1 times [2023-04-03 05:59:45,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:59:45,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876416161] [2023-04-03 05:59:45,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:59:45,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:59:45,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:59:45,902 INFO L134 CoverageAnalysis]: Checked inductivity of 8262 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8262 trivial. 0 not checked. [2023-04-03 05:59:45,902 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:59:45,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876416161] [2023-04-03 05:59:45,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876416161] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:59:45,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:59:45,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 05:59:45,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897856895] [2023-04-03 05:59:45,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:59:45,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 05:59:45,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:59:45,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 05:59:45,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:59:45,904 INFO L87 Difference]: Start difference. First operand 5507 states and 7723 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (63), 3 states have call predecessors, (63), 2 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2023-04-03 05:59:47,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:59:49,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:59:49,164 INFO L93 Difference]: Finished difference Result 5509 states and 7724 transitions. [2023-04-03 05:59:49,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 05:59:49,165 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (63), 3 states have call predecessors, (63), 2 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) Word has length 630 [2023-04-03 05:59:49,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:59:49,186 INFO L225 Difference]: With dead ends: 5509 [2023-04-03 05:59:49,186 INFO L226 Difference]: Without dead ends: 5506 [2023-04-03 05:59:49,190 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:59:49,190 INFO L413 NwaCegarLoop]: 2009 mSDtfsCounter, 2026 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2026 SdHoareTripleChecker+Valid, 2010 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-04-03 05:59:49,191 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2026 Valid, 2010 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 149 Invalid, 1 Unknown, 0 Unchecked, 3.1s Time] [2023-04-03 05:59:49,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5506 states. [2023-04-03 05:59:49,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5506 to 5506. [2023-04-03 05:59:49,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5506 states, 3479 states have (on average 1.3558493820063238) internal successors, (4717), 3549 states have internal predecessors, (4717), 1505 states have call successors, (1505), 524 states have call predecessors, (1505), 521 states have return successors, (1499), 1450 states have call predecessors, (1499), 1499 states have call successors, (1499) [2023-04-03 05:59:49,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5506 states to 5506 states and 7721 transitions. [2023-04-03 05:59:49,463 INFO L78 Accepts]: Start accepts. Automaton has 5506 states and 7721 transitions. Word has length 630 [2023-04-03 05:59:49,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:59:49,463 INFO L495 AbstractCegarLoop]: Abstraction has 5506 states and 7721 transitions. [2023-04-03 05:59:49,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (63), 3 states have call predecessors, (63), 2 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2023-04-03 05:59:49,463 INFO L276 IsEmpty]: Start isEmpty. Operand 5506 states and 7721 transitions. [2023-04-03 05:59:49,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 632 [2023-04-03 05:59:49,468 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:59:49,468 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 40, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 05:59:49,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-03 05:59:49,469 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:59:49,469 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:59:49,469 INFO L85 PathProgramCache]: Analyzing trace with hash 143988167, now seen corresponding path program 1 times [2023-04-03 05:59:49,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:59:49,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635433071] [2023-04-03 05:59:49,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:59:49,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:59:49,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:59:50,200 INFO L134 CoverageAnalysis]: Checked inductivity of 8262 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8262 trivial. 0 not checked. [2023-04-03 05:59:50,200 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:59:50,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635433071] [2023-04-03 05:59:50,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635433071] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:59:50,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:59:50,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 05:59:50,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891165286] [2023-04-03 05:59:50,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:59:50,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 05:59:50,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:59:50,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 05:59:50,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:59:50,202 INFO L87 Difference]: Start difference. First operand 5506 states and 7721 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (63), 3 states have call predecessors, (63), 2 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2023-04-03 05:59:52,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:59:53,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:59:53,616 INFO L93 Difference]: Finished difference Result 5508 states and 7722 transitions. [2023-04-03 05:59:53,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 05:59:53,617 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (63), 3 states have call predecessors, (63), 2 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) Word has length 631 [2023-04-03 05:59:53,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:59:53,632 INFO L225 Difference]: With dead ends: 5508 [2023-04-03 05:59:53,632 INFO L226 Difference]: Without dead ends: 5491 [2023-04-03 05:59:53,634 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:59:53,635 INFO L413 NwaCegarLoop]: 2008 mSDtfsCounter, 2023 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2023 SdHoareTripleChecker+Valid, 2009 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2023-04-03 05:59:53,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2023 Valid, 2009 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 148 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2023-04-03 05:59:53,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5491 states. [2023-04-03 05:59:53,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5491 to 5491. [2023-04-03 05:59:53,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5491 states, 3470 states have (on average 1.3553314121037463) internal successors, (4703), 3539 states have internal predecessors, (4703), 1501 states have call successors, (1501), 521 states have call predecessors, (1501), 519 states have return successors, (1497), 1448 states have call predecessors, (1497), 1497 states have call successors, (1497) [2023-04-03 05:59:53,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5491 states to 5491 states and 7701 transitions. [2023-04-03 05:59:53,852 INFO L78 Accepts]: Start accepts. Automaton has 5491 states and 7701 transitions. Word has length 631 [2023-04-03 05:59:53,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:59:53,852 INFO L495 AbstractCegarLoop]: Abstraction has 5491 states and 7701 transitions. [2023-04-03 05:59:53,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (63), 3 states have call predecessors, (63), 2 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2023-04-03 05:59:53,852 INFO L276 IsEmpty]: Start isEmpty. Operand 5491 states and 7701 transitions. [2023-04-03 05:59:53,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 651 [2023-04-03 05:59:53,859 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:59:53,859 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 40, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 05:59:53,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-03 05:59:53,859 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:59:53,860 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:59:53,860 INFO L85 PathProgramCache]: Analyzing trace with hash -468312753, now seen corresponding path program 1 times [2023-04-03 05:59:53,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:59:53,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904924617] [2023-04-03 05:59:53,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:59:53,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:59:54,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:59:54,575 INFO L134 CoverageAnalysis]: Checked inductivity of 8262 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8262 trivial. 0 not checked. [2023-04-03 05:59:54,575 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:59:54,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904924617] [2023-04-03 05:59:54,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904924617] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:59:54,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:59:54,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 05:59:54,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295048831] [2023-04-03 05:59:54,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:59:54,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 05:59:54,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:59:54,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 05:59:54,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:59:54,577 INFO L87 Difference]: Start difference. First operand 5491 states and 7701 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (71), 2 states have call predecessors, (71), 1 states have return successors, (65), 3 states have call predecessors, (65), 3 states have call successors, (65) [2023-04-03 05:59:56,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:59:59,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:59:59,164 INFO L93 Difference]: Finished difference Result 16047 states and 22505 transitions. [2023-04-03 05:59:59,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 05:59:59,165 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (71), 2 states have call predecessors, (71), 1 states have return successors, (65), 3 states have call predecessors, (65), 3 states have call successors, (65) Word has length 650 [2023-04-03 05:59:59,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:59:59,199 INFO L225 Difference]: With dead ends: 16047 [2023-04-03 05:59:59,199 INFO L226 Difference]: Without dead ends: 10679 [2023-04-03 05:59:59,222 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:59:59,224 INFO L413 NwaCegarLoop]: 2453 mSDtfsCounter, 2056 mSDsluCounter, 1815 mSDsCounter, 0 mSdLazyCounter, 356 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2056 SdHoareTripleChecker+Valid, 4268 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 356 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-04-03 05:59:59,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2056 Valid, 4268 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 356 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2023-04-03 05:59:59,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10679 states. [2023-04-03 05:59:59,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10679 to 10673. [2023-04-03 05:59:59,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10673 states, 6769 states have (on average 1.360023637169449) internal successors, (9206), 6906 states have internal predecessors, (9206), 2884 states have call successors, (2884), 1021 states have call predecessors, (2884), 1019 states have return successors, (2880), 2781 states have call predecessors, (2880), 2880 states have call successors, (2880) [2023-04-03 05:59:59,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10673 states to 10673 states and 14970 transitions. [2023-04-03 05:59:59,713 INFO L78 Accepts]: Start accepts. Automaton has 10673 states and 14970 transitions. Word has length 650 [2023-04-03 05:59:59,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:59:59,713 INFO L495 AbstractCegarLoop]: Abstraction has 10673 states and 14970 transitions. [2023-04-03 05:59:59,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (71), 2 states have call predecessors, (71), 1 states have return successors, (65), 3 states have call predecessors, (65), 3 states have call successors, (65) [2023-04-03 05:59:59,714 INFO L276 IsEmpty]: Start isEmpty. Operand 10673 states and 14970 transitions. [2023-04-03 05:59:59,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 653 [2023-04-03 05:59:59,720 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:59:59,720 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 40, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 05:59:59,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-04-03 05:59:59,720 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:59:59,721 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:59:59,721 INFO L85 PathProgramCache]: Analyzing trace with hash 1265673699, now seen corresponding path program 1 times [2023-04-03 05:59:59,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:59:59,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33595886] [2023-04-03 05:59:59,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:59:59,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 06:00:00,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:00:00,808 INFO L134 CoverageAnalysis]: Checked inductivity of 8262 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8262 trivial. 0 not checked. [2023-04-03 06:00:00,808 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 06:00:00,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33595886] [2023-04-03 06:00:00,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33595886] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 06:00:00,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 06:00:00,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 06:00:00,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881788744] [2023-04-03 06:00:00,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 06:00:00,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 06:00:00,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 06:00:00,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 06:00:00,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 06:00:00,810 INFO L87 Difference]: Start difference. First operand 10673 states and 14970 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (72), 3 states have call predecessors, (72), 2 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) [2023-04-03 06:00:02,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 06:00:05,153 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 06:00:07,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 06:00:07,635 INFO L93 Difference]: Finished difference Result 10675 states and 14971 transitions. [2023-04-03 06:00:07,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 06:00:07,635 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (72), 3 states have call predecessors, (72), 2 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) Word has length 652 [2023-04-03 06:00:07,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 06:00:07,682 INFO L225 Difference]: With dead ends: 10675 [2023-04-03 06:00:07,682 INFO L226 Difference]: Without dead ends: 10672 [2023-04-03 06:00:07,691 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 06:00:07,691 INFO L413 NwaCegarLoop]: 1991 mSDtfsCounter, 17 mSDsluCounter, 1965 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 3956 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2023-04-03 06:00:07,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 3956 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 294 Invalid, 2 Unknown, 0 Unchecked, 6.5s Time] [2023-04-03 06:00:07,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10672 states. [2023-04-03 06:00:08,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10672 to 10672. [2023-04-03 06:00:08,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10672 states, 6769 states have (on average 1.3576599202245532) internal successors, (9190), 6905 states have internal predecessors, (9190), 2883 states have call successors, (2883), 1021 states have call predecessors, (2883), 1019 states have return successors, (2880), 2781 states have call predecessors, (2880), 2880 states have call successors, (2880) [2023-04-03 06:00:08,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10672 states to 10672 states and 14953 transitions. [2023-04-03 06:00:08,349 INFO L78 Accepts]: Start accepts. Automaton has 10672 states and 14953 transitions. Word has length 652 [2023-04-03 06:00:08,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 06:00:08,349 INFO L495 AbstractCegarLoop]: Abstraction has 10672 states and 14953 transitions. [2023-04-03 06:00:08,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (72), 3 states have call predecessors, (72), 2 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) [2023-04-03 06:00:08,350 INFO L276 IsEmpty]: Start isEmpty. Operand 10672 states and 14953 transitions. [2023-04-03 06:00:08,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 661 [2023-04-03 06:00:08,358 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 06:00:08,358 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 40, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 06:00:08,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-04-03 06:00:08,358 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 06:00:08,359 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 06:00:08,359 INFO L85 PathProgramCache]: Analyzing trace with hash 578708004, now seen corresponding path program 1 times [2023-04-03 06:00:08,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 06:00:08,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648783394] [2023-04-03 06:00:08,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:00:08,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 06:00:08,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:00:09,068 INFO L134 CoverageAnalysis]: Checked inductivity of 8262 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8262 trivial. 0 not checked. [2023-04-03 06:00:09,068 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 06:00:09,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648783394] [2023-04-03 06:00:09,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648783394] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 06:00:09,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 06:00:09,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 06:00:09,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726025338] [2023-04-03 06:00:09,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 06:00:09,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 06:00:09,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 06:00:09,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 06:00:09,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 06:00:09,070 INFO L87 Difference]: Start difference. First operand 10672 states and 14953 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (70), 2 states have call predecessors, (70), 1 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64) [2023-04-03 06:00:11,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 06:00:14,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 06:00:14,507 INFO L93 Difference]: Finished difference Result 31241 states and 43802 transitions. [2023-04-03 06:00:14,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 06:00:14,507 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (70), 2 states have call predecessors, (70), 1 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64) Word has length 660 [2023-04-03 06:00:14,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 06:00:14,612 INFO L225 Difference]: With dead ends: 31241 [2023-04-03 06:00:14,613 INFO L226 Difference]: Without dead ends: 20692 [2023-04-03 06:00:14,659 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 06:00:14,660 INFO L413 NwaCegarLoop]: 2505 mSDtfsCounter, 1960 mSDsluCounter, 1813 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1960 SdHoareTripleChecker+Valid, 4318 SdHoareTripleChecker+Invalid, 363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-04-03 06:00:14,660 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1960 Valid, 4318 Invalid, 363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 360 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2023-04-03 06:00:14,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20692 states. [2023-04-03 06:00:15,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20692 to 20684. [2023-04-03 06:00:15,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20684 states, 13181 states have (on average 1.3630225324330476) internal successors, (17966), 13437 states have internal predecessors, (17966), 5523 states have call successors, (5523), 1981 states have call predecessors, (5523), 1979 states have return successors, (5520), 5329 states have call predecessors, (5520), 5520 states have call successors, (5520) [2023-04-03 06:00:15,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20684 states to 20684 states and 29009 transitions. [2023-04-03 06:00:15,628 INFO L78 Accepts]: Start accepts. Automaton has 20684 states and 29009 transitions. Word has length 660 [2023-04-03 06:00:15,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 06:00:15,629 INFO L495 AbstractCegarLoop]: Abstraction has 20684 states and 29009 transitions. [2023-04-03 06:00:15,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (70), 2 states have call predecessors, (70), 1 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64) [2023-04-03 06:00:15,629 INFO L276 IsEmpty]: Start isEmpty. Operand 20684 states and 29009 transitions. [2023-04-03 06:00:15,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 672 [2023-04-03 06:00:15,637 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 06:00:15,637 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 40, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 06:00:15,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-04-03 06:00:15,638 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 06:00:15,638 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 06:00:15,638 INFO L85 PathProgramCache]: Analyzing trace with hash 1168085863, now seen corresponding path program 1 times [2023-04-03 06:00:15,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 06:00:15,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218854062] [2023-04-03 06:00:15,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:00:15,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 06:00:15,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:00:16,617 INFO L134 CoverageAnalysis]: Checked inductivity of 8262 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8262 trivial. 0 not checked. [2023-04-03 06:00:16,617 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 06:00:16,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218854062] [2023-04-03 06:00:16,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218854062] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 06:00:16,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 06:00:16,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 06:00:16,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265802824] [2023-04-03 06:00:16,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 06:00:16,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 06:00:16,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 06:00:16,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 06:00:16,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 06:00:16,619 INFO L87 Difference]: Start difference. First operand 20684 states and 29009 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (74), 2 states have call predecessors, (74), 2 states have return successors, (66), 2 states have call predecessors, (66), 2 states have call successors, (66) [2023-04-03 06:00:18,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 06:00:20,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 06:00:24,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 06:00:24,089 INFO L93 Difference]: Finished difference Result 42269 states and 59899 transitions. [2023-04-03 06:00:24,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 06:00:24,090 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (74), 2 states have call predecessors, (74), 2 states have return successors, (66), 2 states have call predecessors, (66), 2 states have call successors, (66) Word has length 671 [2023-04-03 06:00:24,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 06:00:24,219 INFO L225 Difference]: With dead ends: 42269 [2023-04-03 06:00:24,219 INFO L226 Difference]: Without dead ends: 21708 [2023-04-03 06:00:24,300 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 06:00:24,301 INFO L413 NwaCegarLoop]: 1992 mSDtfsCounter, 51 mSDsluCounter, 1977 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 3969 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2023-04-03 06:00:24,301 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 3969 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 311 Invalid, 2 Unknown, 0 Unchecked, 6.5s Time] [2023-04-03 06:00:24,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21708 states. [2023-04-03 06:00:25,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21708 to 20860. [2023-04-03 06:00:25,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20860 states, 13357 states have (on average 1.3678221157445534) internal successors, (18270), 13613 states have internal predecessors, (18270), 5523 states have call successors, (5523), 1981 states have call predecessors, (5523), 1979 states have return successors, (5520), 5329 states have call predecessors, (5520), 5520 states have call successors, (5520) [2023-04-03 06:00:25,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20860 states to 20860 states and 29313 transitions. [2023-04-03 06:00:25,551 INFO L78 Accepts]: Start accepts. Automaton has 20860 states and 29313 transitions. Word has length 671 [2023-04-03 06:00:25,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 06:00:25,552 INFO L495 AbstractCegarLoop]: Abstraction has 20860 states and 29313 transitions. [2023-04-03 06:00:25,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (74), 2 states have call predecessors, (74), 2 states have return successors, (66), 2 states have call predecessors, (66), 2 states have call successors, (66) [2023-04-03 06:00:25,552 INFO L276 IsEmpty]: Start isEmpty. Operand 20860 states and 29313 transitions. [2023-04-03 06:00:25,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 698 [2023-04-03 06:00:25,562 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 06:00:25,562 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 40, 12, 12, 12, 12, 12, 12, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 06:00:25,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-04-03 06:00:25,562 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 06:00:25,563 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 06:00:25,563 INFO L85 PathProgramCache]: Analyzing trace with hash 1447991405, now seen corresponding path program 1 times [2023-04-03 06:00:25,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 06:00:25,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000706236] [2023-04-03 06:00:25,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:00:25,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 06:00:25,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:00:27,369 INFO L134 CoverageAnalysis]: Checked inductivity of 8292 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 8282 trivial. 0 not checked. [2023-04-03 06:00:27,370 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 06:00:27,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000706236] [2023-04-03 06:00:27,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000706236] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 06:00:27,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2134748050] [2023-04-03 06:00:27,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:00:27,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 06:00:27,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 06:00:27,373 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 06:00:27,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-03 06:00:29,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:00:29,813 INFO L262 TraceCheckSpWp]: Trace formula consists of 10176 conjuncts, 7 conjunts are in the unsatisfiable core [2023-04-03 06:00:29,837 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 06:00:30,300 INFO L134 CoverageAnalysis]: Checked inductivity of 8292 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 8272 trivial. 0 not checked. [2023-04-03 06:00:30,300 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-03 06:00:30,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2134748050] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 06:00:30,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-03 06:00:30,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4] total 9 [2023-04-03 06:00:30,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657272183] [2023-04-03 06:00:30,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 06:00:30,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 06:00:30,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 06:00:30,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 06:00:30,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-04-03 06:00:30,303 INFO L87 Difference]: Start difference. First operand 20860 states and 29313 transitions. Second operand has 7 states, 7 states have (on average 17.857142857142858) internal successors, (125), 5 states have internal predecessors, (125), 2 states have call successors, (77), 2 states have call predecessors, (77), 4 states have return successors, (69), 4 states have call predecessors, (69), 2 states have call successors, (69) [2023-04-03 06:00:32,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 06:00:34,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 06:00:36,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 06:00:39,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 06:00:41,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 06:00:43,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 06:00:50,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 06:00:50,914 INFO L93 Difference]: Finished difference Result 41837 states and 59555 transitions. [2023-04-03 06:00:50,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 06:00:50,914 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.857142857142858) internal successors, (125), 5 states have internal predecessors, (125), 2 states have call successors, (77), 2 states have call predecessors, (77), 4 states have return successors, (69), 4 states have call predecessors, (69), 2 states have call successors, (69) Word has length 697 [2023-04-03 06:00:50,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 06:00:51,170 INFO L225 Difference]: With dead ends: 41837 [2023-04-03 06:00:51,171 INFO L226 Difference]: Without dead ends: 21100 [2023-04-03 06:00:51,317 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 700 GetRequests, 693 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-04-03 06:00:51,318 INFO L413 NwaCegarLoop]: 2005 mSDtfsCounter, 2 mSDsluCounter, 9959 mSDsCounter, 0 mSdLazyCounter, 963 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 11964 SdHoareTripleChecker+Invalid, 970 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 963 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.3s IncrementalHoareTripleChecker+Time [2023-04-03 06:00:51,318 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 11964 Invalid, 970 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 963 Invalid, 6 Unknown, 0 Unchecked, 19.3s Time] [2023-04-03 06:00:51,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21100 states. [2023-04-03 06:00:52,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21100 to 20972. [2023-04-03 06:00:52,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20972 states, 13437 states have (on average 1.3656322095705886) internal successors, (18350), 13693 states have internal predecessors, (18350), 5523 states have call successors, (5523), 1981 states have call predecessors, (5523), 2011 states have return successors, (6032), 5361 states have call predecessors, (6032), 5520 states have call successors, (6032) [2023-04-03 06:00:52,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20972 states to 20972 states and 29905 transitions. [2023-04-03 06:00:52,532 INFO L78 Accepts]: Start accepts. Automaton has 20972 states and 29905 transitions. Word has length 697 [2023-04-03 06:00:52,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 06:00:52,533 INFO L495 AbstractCegarLoop]: Abstraction has 20972 states and 29905 transitions. [2023-04-03 06:00:52,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.857142857142858) internal successors, (125), 5 states have internal predecessors, (125), 2 states have call successors, (77), 2 states have call predecessors, (77), 4 states have return successors, (69), 4 states have call predecessors, (69), 2 states have call successors, (69) [2023-04-03 06:00:52,534 INFO L276 IsEmpty]: Start isEmpty. Operand 20972 states and 29905 transitions. [2023-04-03 06:00:52,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 706 [2023-04-03 06:00:52,541 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 06:00:52,541 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 40, 12, 12, 12, 12, 12, 12, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 06:00:52,577 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-04-03 06:00:52,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-04-03 06:00:52,757 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 06:00:52,758 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 06:00:52,758 INFO L85 PathProgramCache]: Analyzing trace with hash -933334023, now seen corresponding path program 1 times [2023-04-03 06:00:52,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 06:00:52,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713937888] [2023-04-03 06:00:52,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:00:52,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 06:00:53,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:00:54,195 INFO L134 CoverageAnalysis]: Checked inductivity of 8280 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 8274 trivial. 0 not checked. [2023-04-03 06:00:54,195 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 06:00:54,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713937888] [2023-04-03 06:00:54,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713937888] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 06:00:54,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [870925763] [2023-04-03 06:00:54,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:00:54,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 06:00:54,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 06:00:54,197 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 06:00:54,199 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-04-03 06:00:56,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:00:56,774 INFO L262 TraceCheckSpWp]: Trace formula consists of 10225 conjuncts, 7 conjunts are in the unsatisfiable core [2023-04-03 06:00:56,791 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 06:00:57,215 INFO L134 CoverageAnalysis]: Checked inductivity of 8280 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 8272 trivial. 0 not checked. [2023-04-03 06:00:57,216 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-03 06:00:57,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [870925763] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 06:00:57,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-03 06:00:57,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4] total 9 [2023-04-03 06:00:57,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789629044] [2023-04-03 06:00:57,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 06:00:57,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 06:00:57,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 06:00:57,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 06:00:57,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-04-03 06:00:57,218 INFO L87 Difference]: Start difference. First operand 20972 states and 29905 transitions. Second operand has 7 states, 7 states have (on average 18.857142857142858) internal successors, (132), 5 states have internal predecessors, (132), 2 states have call successors, (78), 2 states have call predecessors, (78), 4 states have return successors, (70), 4 states have call predecessors, (70), 2 states have call successors, (70) [2023-04-03 06:00:59,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 06:01:01,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 06:01:03,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 06:01:06,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 06:01:08,458 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 06:01:10,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 06:01:17,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 06:01:17,438 INFO L93 Difference]: Finished difference Result 42125 states and 60867 transitions. [2023-04-03 06:01:17,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 06:01:17,439 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.857142857142858) internal successors, (132), 5 states have internal predecessors, (132), 2 states have call successors, (78), 2 states have call predecessors, (78), 4 states have return successors, (70), 4 states have call predecessors, (70), 2 states have call successors, (70) Word has length 705 [2023-04-03 06:01:17,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 06:01:17,684 INFO L225 Difference]: With dead ends: 42125 [2023-04-03 06:01:17,684 INFO L226 Difference]: Without dead ends: 21276 [2023-04-03 06:01:17,738 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 708 GetRequests, 701 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-04-03 06:01:17,739 INFO L413 NwaCegarLoop]: 2019 mSDtfsCounter, 2 mSDsluCounter, 10029 mSDsCounter, 0 mSdLazyCounter, 958 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 12048 SdHoareTripleChecker+Invalid, 965 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 958 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.1s IncrementalHoareTripleChecker+Time [2023-04-03 06:01:17,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 12048 Invalid, 965 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 958 Invalid, 6 Unknown, 0 Unchecked, 19.1s Time] [2023-04-03 06:01:17,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21276 states. [2023-04-03 06:01:18,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21276 to 21020. [2023-04-03 06:01:18,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21020 states, 13469 states have (on average 1.364763531071349) internal successors, (18382), 13725 states have internal predecessors, (18382), 5523 states have call successors, (5523), 1981 states have call predecessors, (5523), 2027 states have return successors, (6176), 5377 states have call predecessors, (6176), 5520 states have call successors, (6176) [2023-04-03 06:01:18,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21020 states to 21020 states and 30081 transitions. [2023-04-03 06:01:18,924 INFO L78 Accepts]: Start accepts. Automaton has 21020 states and 30081 transitions. Word has length 705 [2023-04-03 06:01:18,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 06:01:18,926 INFO L495 AbstractCegarLoop]: Abstraction has 21020 states and 30081 transitions. [2023-04-03 06:01:18,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.857142857142858) internal successors, (132), 5 states have internal predecessors, (132), 2 states have call successors, (78), 2 states have call predecessors, (78), 4 states have return successors, (70), 4 states have call predecessors, (70), 2 states have call successors, (70) [2023-04-03 06:01:18,926 INFO L276 IsEmpty]: Start isEmpty. Operand 21020 states and 30081 transitions. [2023-04-03 06:01:18,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 683 [2023-04-03 06:01:18,933 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 06:01:18,933 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 40, 12, 12, 12, 12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 06:01:18,965 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-04-03 06:01:19,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-04-03 06:01:19,161 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 06:01:19,162 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 06:01:19,162 INFO L85 PathProgramCache]: Analyzing trace with hash 1901785504, now seen corresponding path program 1 times [2023-04-03 06:01:19,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 06:01:19,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275424597] [2023-04-03 06:01:19,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:01:19,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 06:01:19,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:01:20,797 INFO L134 CoverageAnalysis]: Checked inductivity of 8272 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8272 trivial. 0 not checked. [2023-04-03 06:01:20,798 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 06:01:20,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275424597] [2023-04-03 06:01:20,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275424597] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 06:01:20,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 06:01:20,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 06:01:20,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822505471] [2023-04-03 06:01:20,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 06:01:20,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 06:01:20,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 06:01:20,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 06:01:20,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 06:01:20,799 INFO L87 Difference]: Start difference. First operand 21020 states and 30081 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (75), 3 states have call predecessors, (75), 2 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) [2023-04-03 06:01:22,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 06:01:25,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 06:01:27,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 06:01:27,995 INFO L93 Difference]: Finished difference Result 21022 states and 30082 transitions. [2023-04-03 06:01:27,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 06:01:27,996 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (75), 3 states have call predecessors, (75), 2 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) Word has length 682 [2023-04-03 06:01:27,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 06:01:28,168 INFO L225 Difference]: With dead ends: 21022 [2023-04-03 06:01:28,168 INFO L226 Difference]: Without dead ends: 21019 [2023-04-03 06:01:28,213 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 06:01:28,213 INFO L413 NwaCegarLoop]: 2212 mSDtfsCounter, 279 mSDsluCounter, 1956 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 4168 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2023-04-03 06:01:28,213 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [279 Valid, 4168 Invalid, 309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 307 Invalid, 2 Unknown, 0 Unchecked, 6.5s Time] [2023-04-03 06:01:28,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21019 states. [2023-04-03 06:01:29,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21019 to 21019. [2023-04-03 06:01:29,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21019 states, 13469 states have (on average 1.3635756180859753) internal successors, (18366), 13724 states have internal predecessors, (18366), 5522 states have call successors, (5522), 1981 states have call predecessors, (5522), 2027 states have return successors, (6176), 5377 states have call predecessors, (6176), 5520 states have call successors, (6176) [2023-04-03 06:01:29,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21019 states to 21019 states and 30064 transitions. [2023-04-03 06:01:29,475 INFO L78 Accepts]: Start accepts. Automaton has 21019 states and 30064 transitions. Word has length 682 [2023-04-03 06:01:29,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 06:01:29,475 INFO L495 AbstractCegarLoop]: Abstraction has 21019 states and 30064 transitions. [2023-04-03 06:01:29,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (75), 3 states have call predecessors, (75), 2 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) [2023-04-03 06:01:29,476 INFO L276 IsEmpty]: Start isEmpty. Operand 21019 states and 30064 transitions. [2023-04-03 06:01:29,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1008 [2023-04-03 06:01:29,491 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 06:01:29,513 INFO L195 NwaCegarLoop]: trace histogram [65, 65, 65, 65, 65, 65, 65, 65, 65, 12, 12, 12, 12, 12, 12, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 06:01:29,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-04-03 06:01:29,513 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 06:01:29,514 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 06:01:29,514 INFO L85 PathProgramCache]: Analyzing trace with hash 984950193, now seen corresponding path program 1 times [2023-04-03 06:01:29,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 06:01:29,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266760719] [2023-04-03 06:01:29,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 06:01:29,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 06:01:29,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 06:01:31,279 INFO L134 CoverageAnalysis]: Checked inductivity of 21267 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21267 trivial. 0 not checked. [2023-04-03 06:01:31,280 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 06:01:31,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266760719] [2023-04-03 06:01:31,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266760719] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 06:01:31,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 06:01:31,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 06:01:31,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638949068] [2023-04-03 06:01:31,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 06:01:31,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 06:01:31,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 06:01:31,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 06:01:31,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 06:01:31,282 INFO L87 Difference]: Start difference. First operand 21019 states and 30064 transitions. Second operand has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 3 states have call successors, (107), 3 states have call predecessors, (107), 2 states have return successors, (102), 2 states have call predecessors, (102), 2 states have call successors, (102) [2023-04-03 06:01:33,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []