/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 08:15:44,585 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 08:15:44,587 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 08:15:44,625 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 08:15:44,625 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 08:15:44,628 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 08:15:44,630 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 08:15:44,632 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 08:15:44,634 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 08:15:44,638 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 08:15:44,640 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 08:15:44,641 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 08:15:44,641 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 08:15:44,644 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 08:15:44,644 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 08:15:44,645 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 08:15:44,646 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 08:15:44,647 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 08:15:44,648 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 08:15:44,653 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 08:15:44,654 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 08:15:44,655 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 08:15:44,655 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 08:15:44,656 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 08:15:44,664 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 08:15:44,664 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 08:15:44,664 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 08:15:44,665 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 08:15:44,666 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 08:15:44,666 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 08:15:44,666 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 08:15:44,667 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 08:15:44,668 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 08:15:44,669 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 08:15:44,669 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 08:15:44,669 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 08:15:44,670 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 08:15:44,670 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 08:15:44,670 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 08:15:44,671 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 08:15:44,671 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 08:15:44,672 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-04-02 08:15:44,699 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 08:15:44,699 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 08:15:44,700 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 08:15:44,700 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 08:15:44,701 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 08:15:44,701 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 08:15:44,702 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 08:15:44,702 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 08:15:44,702 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 08:15:44,702 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 08:15:44,703 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 08:15:44,703 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 08:15:44,703 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 08:15:44,703 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 08:15:44,703 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 08:15:44,703 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 08:15:44,703 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 08:15:44,704 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 08:15:44,704 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 08:15:44,704 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 08:15:44,704 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 08:15:44,704 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 08:15:44,704 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 08:15:44,704 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 08:15:44,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 08:15:44,705 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 08:15:44,705 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 08:15:44,705 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 08:15:44,705 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 08:15:44,705 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 08:15:44,705 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 08:15:44,705 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 08:15:44,706 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 08:15:44,706 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 08:15:44,706 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 08:15:44,706 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 08:15:44,921 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 08:15:44,937 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 08:15:44,939 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 08:15:44,940 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 08:15:44,940 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 08:15:44,941 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i [2023-04-02 08:15:46,073 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 08:15:46,459 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 08:15:46,459 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i [2023-04-02 08:15:46,487 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7decc83d/6c77579a71d545efbefc466a8056e2ee/FLAG9c48edf30 [2023-04-02 08:15:46,498 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7decc83d/6c77579a71d545efbefc466a8056e2ee [2023-04-02 08:15:46,500 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 08:15:46,501 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 08:15:46,503 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 08:15:46,503 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 08:15:46,506 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 08:15:46,506 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 08:15:46" (1/1) ... [2023-04-02 08:15:46,507 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77ee5c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:15:46, skipping insertion in model container [2023-04-02 08:15:46,507 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 08:15:46" (1/1) ... [2023-04-02 08:15:46,513 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 08:15:46,579 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 08:15:47,155 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i[106459,106472] [2023-04-02 08:15:47,213 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 08:15:47,244 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 08:15:47,423 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i[106459,106472] [2023-04-02 08:15:47,433 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 08:15:47,471 WARN L667 CHandler]: The function strstr is called, but not defined or handled by StandardFunctionHandler. [2023-04-02 08:15:47,472 WARN L667 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-04-02 08:15:47,477 INFO L208 MainTranslator]: Completed translation [2023-04-02 08:15:47,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:15:47 WrapperNode [2023-04-02 08:15:47,477 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 08:15:47,479 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 08:15:47,479 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 08:15:47,479 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 08:15:47,489 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:15:47" (1/1) ... [2023-04-02 08:15:47,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:15:47" (1/1) ... [2023-04-02 08:15:47,543 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:15:47" (1/1) ... [2023-04-02 08:15:47,544 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:15:47" (1/1) ... [2023-04-02 08:15:47,633 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:15:47" (1/1) ... [2023-04-02 08:15:47,641 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:15:47" (1/1) ... [2023-04-02 08:15:47,657 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:15:47" (1/1) ... [2023-04-02 08:15:47,666 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:15:47" (1/1) ... [2023-04-02 08:15:47,689 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 08:15:47,690 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 08:15:47,690 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 08:15:47,690 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 08:15:47,691 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:15:47" (1/1) ... [2023-04-02 08:15:47,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 08:15:47,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 08:15:47,718 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-02 08:15:47,737 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-02 08:15:47,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 08:15:47,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 08:15:47,761 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 08:15:47,761 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2023-04-02 08:15:47,761 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-02 08:15:47,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-04-02 08:15:47,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-02 08:15:47,762 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-04-02 08:15:47,762 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-04-02 08:15:47,762 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-04-02 08:15:47,762 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-04-02 08:15:47,762 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2023-04-02 08:15:47,762 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_read_modify_write_reg [2023-04-02 08:15:47,762 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_save_reg_conf [2023-04-02 08:15:47,763 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_restore_reg_conf [2023-04-02 08:15:47,763 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_read_serial_rom [2023-04-02 08:15:47,763 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_write_serial_rom [2023-04-02 08:15:47,763 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_read_serial_rom_val [2023-04-02 08:15:47,763 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_write_serial_rom_val [2023-04-02 08:15:47,763 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_gbe_serial_rom_conf [2023-04-02 08:15:47,763 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_gbe_serial_rom_conf_mp [2023-04-02 08:15:47,763 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_read_gbe_mac_addr [2023-04-02 08:15:47,763 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_write_gbe_mac_addr [2023-04-02 08:15:47,763 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_bin_read [2023-04-02 08:15:47,764 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_bin_write [2023-04-02 08:15:47,764 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pch_mac [2023-04-02 08:15:47,764 INFO L138 BoogieDeclarations]: Found implementation of procedure store_pch_mac [2023-04-02 08:15:47,764 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_probe [2023-04-02 08:15:47,764 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_remove [2023-04-02 08:15:47,764 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_suspend [2023-04-02 08:15:47,764 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_resume [2023-04-02 08:15:47,764 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_driver_init [2023-04-02 08:15:47,764 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_driver_exit [2023-04-02 08:15:47,764 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 08:15:47,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2023-04-02 08:15:47,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2023-04-02 08:15:47,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2023-04-02 08:15:47,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2023-04-02 08:15:47,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2023-04-02 08:15:47,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_6 [2023-04-02 08:15:47,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2023-04-02 08:15:47,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_8 [2023-04-02 08:15:47,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_9 [2023-04-02 08:15:47,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_10 [2023-04-02 08:15:47,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2023-04-02 08:15:47,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-04-02 08:15:47,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-02 08:15:47,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2023-04-02 08:15:47,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2023-04-02 08:15:47,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2023-04-02 08:15:47,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2023-04-02 08:15:47,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2023-04-02 08:15:47,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2023-04-02 08:15:47,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2023-04-02 08:15:47,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2023-04-02 08:15:47,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2023-04-02 08:15:47,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2023-04-02 08:15:47,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2023-04-02 08:15:47,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2023-04-02 08:15:47,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2023-04-02 08:15:47,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2023-04-02 08:15:47,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2023-04-02 08:15:47,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_pch_phub_mutex [2023-04-02 08:15:47,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_pch_phub_mutex [2023-04-02 08:15:47,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pch_phub_mutex [2023-04-02 08:15:47,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_pch_phub_mutex [2023-04-02 08:15:47,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_pch_phub_mutex [2023-04-02 08:15:47,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_pch_phub_mutex [2023-04-02 08:15:47,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_pch_phub_mutex [2023-04-02 08:15:47,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-02 08:15:47,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-02 08:15:47,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-04-02 08:15:47,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_enable_wake [2023-04-02 08:15:47,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2023-04-02 08:15:47,771 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-04-02 08:15:47,771 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-04-02 08:15:47,771 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-04-02 08:15:47,771 INFO L138 BoogieDeclarations]: Found implementation of procedure dmi_get_system_info [2023-04-02 08:15:47,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-04-02 08:15:47,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2023-04-02 08:15:47,771 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-04-02 08:15:47,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pch_bin_attr_probe_2 [2023-04-02 08:15:47,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pch_bin_attr_release_2 [2023-04-02 08:15:47,772 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-04-02 08:15:47,772 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-04-02 08:15:47,772 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2023-04-02 08:15:47,772 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2023-04-02 08:15:47,773 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-04-02 08:15:47,773 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2023-04-02 08:15:47,773 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-04-02 08:15:47,773 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-04-02 08:15:47,773 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2023-04-02 08:15:47,773 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-04-02 08:15:47,773 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_rom [2023-04-02 08:15:47,773 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-04-02 08:15:47,774 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2023-04-02 08:15:47,774 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2023-04-02 08:15:47,774 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2023-04-02 08:15:47,774 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-04-02 08:15:47,774 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_rom [2023-04-02 08:15:47,774 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2023-04-02 08:15:47,774 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_bin_file [2023-04-02 08:15:47,774 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_file [2023-04-02 08:15:47,774 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_bin_file [2023-04-02 08:15:47,774 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_file [2023-04-02 08:15:47,774 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-02 08:15:47,775 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 08:15:47,775 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 08:15:47,775 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-02 08:15:47,775 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-02 08:15:47,775 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 08:15:47,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 08:15:47,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-02 08:15:47,775 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-04-02 08:15:47,775 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-04-02 08:15:47,776 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2023-04-02 08:15:47,776 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2023-04-02 08:15:47,776 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2023-04-02 08:15:47,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2023-04-02 08:15:47,776 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-04-02 08:15:47,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2023-04-02 08:15:47,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2023-04-02 08:15:47,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2023-04-02 08:15:47,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_8 [2023-04-02 08:15:47,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_10 [2023-04-02 08:15:47,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2023-04-02 08:15:47,778 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2023-04-02 08:15:47,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_6 [2023-04-02 08:15:47,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_9 [2023-04-02 08:15:47,784 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-04-02 08:15:47,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2023-04-02 08:15:47,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2023-04-02 08:15:47,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2023-04-02 08:15:47,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2023-04-02 08:15:47,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2023-04-02 08:15:47,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2023-04-02 08:15:47,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2023-04-02 08:15:47,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_pch_phub_mutex [2023-04-02 08:15:47,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_pch_phub_mutex [2023-04-02 08:15:47,784 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 08:15:47,785 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2023-04-02 08:15:47,785 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-04-02 08:15:47,785 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-04-02 08:15:47,785 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-04-02 08:15:47,785 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2023-04-02 08:15:47,785 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_file [2023-04-02 08:15:47,785 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_file [2023-04-02 08:15:47,785 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_bin_file [2023-04-02 08:15:47,785 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_bin_file [2023-04-02 08:15:47,785 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-04-02 08:15:47,785 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-04-02 08:15:47,785 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-04-02 08:15:47,785 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-04-02 08:15:47,785 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-04-02 08:15:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_rom [2023-04-02 08:15:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_rom [2023-04-02 08:15:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2023-04-02 08:15:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2023-04-02 08:15:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-04-02 08:15:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2023-04-02 08:15:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_enable_wake [2023-04-02 08:15:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2023-04-02 08:15:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2023-04-02 08:15:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-04-02 08:15:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2023-04-02 08:15:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2023-04-02 08:15:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-02 08:15:47,787 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-02 08:15:47,787 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 08:15:47,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-04-02 08:15:47,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-02 08:15:47,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 08:15:47,787 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-04-02 08:15:47,787 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-04-02 08:15:47,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-02 08:15:47,787 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-04-02 08:15:47,787 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-04-02 08:15:47,787 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2023-04-02 08:15:47,787 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-04-02 08:15:47,787 INFO L130 BoogieDeclarations]: Found specification of procedure dmi_get_system_info [2023-04-02 08:15:47,788 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_read_modify_write_reg [2023-04-02 08:15:47,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 08:15:47,788 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_save_reg_conf [2023-04-02 08:15:47,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-02 08:15:47,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 08:15:47,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 08:15:47,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 08:15:47,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 08:15:47,788 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_restore_reg_conf [2023-04-02 08:15:47,788 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_read_serial_rom [2023-04-02 08:15:47,788 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_write_serial_rom [2023-04-02 08:15:47,788 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_read_serial_rom_val [2023-04-02 08:15:47,788 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_write_serial_rom_val [2023-04-02 08:15:47,789 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_gbe_serial_rom_conf [2023-04-02 08:15:47,789 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_gbe_serial_rom_conf_mp [2023-04-02 08:15:47,789 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_read_gbe_mac_addr [2023-04-02 08:15:47,789 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_write_gbe_mac_addr [2023-04-02 08:15:47,789 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_bin_read [2023-04-02 08:15:47,789 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_bin_write [2023-04-02 08:15:47,789 INFO L130 BoogieDeclarations]: Found specification of procedure show_pch_mac [2023-04-02 08:15:47,789 INFO L130 BoogieDeclarations]: Found specification of procedure store_pch_mac [2023-04-02 08:15:47,789 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_probe [2023-04-02 08:15:47,789 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_remove [2023-04-02 08:15:47,789 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_suspend [2023-04-02 08:15:47,789 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_resume [2023-04-02 08:15:47,789 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_driver_init [2023-04-02 08:15:47,789 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_driver_exit [2023-04-02 08:15:47,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-02 08:15:47,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pch_bin_attr_release_2 [2023-04-02 08:15:47,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pch_bin_attr_probe_2 [2023-04-02 08:15:47,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-02 08:15:47,790 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 08:15:47,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-04-02 08:15:47,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2023-04-02 08:15:47,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2023-04-02 08:15:47,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2023-04-02 08:15:47,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2023-04-02 08:15:47,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2023-04-02 08:15:47,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2023-04-02 08:15:47,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2023-04-02 08:15:47,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2023-04-02 08:15:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2023-04-02 08:15:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2023-04-02 08:15:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_pch_phub_mutex [2023-04-02 08:15:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pch_phub_mutex [2023-04-02 08:15:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_pch_phub_mutex [2023-04-02 08:15:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_pch_phub_mutex [2023-04-02 08:15:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_pch_phub_mutex [2023-04-02 08:15:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2023-04-02 08:15:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 08:15:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 08:15:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 08:15:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-02 08:15:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 08:15:48,231 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 08:15:48,234 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 08:15:50,061 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 08:15:50,080 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 08:15:50,080 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-04-02 08:15:50,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 08:15:50 BoogieIcfgContainer [2023-04-02 08:15:50,083 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 08:15:50,085 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 08:15:50,086 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 08:15:50,088 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 08:15:50,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 08:15:46" (1/3) ... [2023-04-02 08:15:50,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cd07299 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 08:15:50, skipping insertion in model container [2023-04-02 08:15:50,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:15:47" (2/3) ... [2023-04-02 08:15:50,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cd07299 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 08:15:50, skipping insertion in model container [2023-04-02 08:15:50,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 08:15:50" (3/3) ... [2023-04-02 08:15:50,090 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i [2023-04-02 08:15:50,105 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 08:15:50,106 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 08:15:50,171 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 08:15:50,177 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@23d81953, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 08:15:50,177 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 08:15:50,186 INFO L276 IsEmpty]: Start isEmpty. Operand has 1040 states, 700 states have (on average 1.322857142857143) internal successors, (926), 711 states have internal predecessors, (926), 238 states have call successors, (238), 78 states have call predecessors, (238), 78 states have return successors, (238), 238 states have call predecessors, (238), 238 states have call successors, (238) [2023-04-02 08:15:50,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-04-02 08:15:50,201 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:15:50,202 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 08:15:50,202 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:15:50,207 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:15:50,208 INFO L85 PathProgramCache]: Analyzing trace with hash 138660979, now seen corresponding path program 1 times [2023-04-02 08:15:50,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:15:50,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717326508] [2023-04-02 08:15:50,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:15:50,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:15:50,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:15:50,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:15:50,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:15:51,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:15:51,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:15:51,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-02 08:15:51,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:15:51,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:15:51,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:15:51,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 08:15:51,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:15:51,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717326508] [2023-04-02 08:15:51,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717326508] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:15:51,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 08:15:51,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-02 08:15:51,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058976360] [2023-04-02 08:15:51,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:15:51,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-02 08:15:51,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:15:51,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-02 08:15:51,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-04-02 08:15:51,082 INFO L87 Difference]: Start difference. First operand has 1040 states, 700 states have (on average 1.322857142857143) internal successors, (926), 711 states have internal predecessors, (926), 238 states have call successors, (238), 78 states have call predecessors, (238), 78 states have return successors, (238), 238 states have call predecessors, (238), 238 states have call successors, (238) Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-04-02 08:16:02,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:16:02,134 INFO L93 Difference]: Finished difference Result 2948 states and 4221 transitions. [2023-04-02 08:16:02,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-02 08:16:02,136 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 29 [2023-04-02 08:16:02,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:16:02,163 INFO L225 Difference]: With dead ends: 2948 [2023-04-02 08:16:02,163 INFO L226 Difference]: Without dead ends: 1991 [2023-04-02 08:16:02,177 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-04-02 08:16:02,183 INFO L413 NwaCegarLoop]: 197 mSDtfsCounter, 2531 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 2722 mSolverCounterSat, 880 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2751 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 3602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 880 IncrementalHoareTripleChecker+Valid, 2722 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2023-04-02 08:16:02,184 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2751 Valid, 496 Invalid, 3602 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [880 Valid, 2722 Invalid, 0 Unknown, 0 Unchecked, 9.9s Time] [2023-04-02 08:16:02,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1991 states. [2023-04-02 08:16:02,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1991 to 1863. [2023-04-02 08:16:02,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1863 states, 1265 states have (on average 1.3288537549407116) internal successors, (1681), 1279 states have internal predecessors, (1681), 455 states have call successors, (455), 145 states have call predecessors, (455), 142 states have return successors, (448), 448 states have call predecessors, (448), 448 states have call successors, (448) [2023-04-02 08:16:02,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1863 states to 1863 states and 2584 transitions. [2023-04-02 08:16:02,984 INFO L78 Accepts]: Start accepts. Automaton has 1863 states and 2584 transitions. Word has length 29 [2023-04-02 08:16:02,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:16:02,985 INFO L495 AbstractCegarLoop]: Abstraction has 1863 states and 2584 transitions. [2023-04-02 08:16:02,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-04-02 08:16:02,985 INFO L276 IsEmpty]: Start isEmpty. Operand 1863 states and 2584 transitions. [2023-04-02 08:16:02,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-04-02 08:16:02,993 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:16:02,993 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 08:16:02,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 08:16:02,994 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:16:02,994 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:16:02,995 INFO L85 PathProgramCache]: Analyzing trace with hash -774999282, now seen corresponding path program 1 times [2023-04-02 08:16:02,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:16:02,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715473246] [2023-04-02 08:16:02,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:16:02,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:16:03,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:16:03,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:16:03,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:16:03,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:16:03,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:16:03,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 08:16:03,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:16:03,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:16:03,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:16:03,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 08:16:03,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:16:03,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715473246] [2023-04-02 08:16:03,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715473246] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:16:03,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 08:16:03,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-02 08:16:03,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94878594] [2023-04-02 08:16:03,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:16:03,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-02 08:16:03,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:16:03,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-02 08:16:03,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-04-02 08:16:03,378 INFO L87 Difference]: Start difference. First operand 1863 states and 2584 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-04-02 08:16:10,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:16:10,271 INFO L93 Difference]: Finished difference Result 2005 states and 2790 transitions. [2023-04-02 08:16:10,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-02 08:16:10,271 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 34 [2023-04-02 08:16:10,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:16:10,282 INFO L225 Difference]: With dead ends: 2005 [2023-04-02 08:16:10,283 INFO L226 Difference]: Without dead ends: 1996 [2023-04-02 08:16:10,284 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-04-02 08:16:10,285 INFO L413 NwaCegarLoop]: 202 mSDtfsCounter, 1645 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 1545 mSolverCounterSat, 832 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1671 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 2377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 832 IncrementalHoareTripleChecker+Valid, 1545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2023-04-02 08:16:10,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1671 Valid, 315 Invalid, 2377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [832 Valid, 1545 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2023-04-02 08:16:10,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1996 states. [2023-04-02 08:16:10,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1996 to 1863. [2023-04-02 08:16:10,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1863 states, 1265 states have (on average 1.3280632411067195) internal successors, (1680), 1279 states have internal predecessors, (1680), 455 states have call successors, (455), 145 states have call predecessors, (455), 142 states have return successors, (448), 448 states have call predecessors, (448), 448 states have call successors, (448) [2023-04-02 08:16:10,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1863 states to 1863 states and 2583 transitions. [2023-04-02 08:16:10,839 INFO L78 Accepts]: Start accepts. Automaton has 1863 states and 2583 transitions. Word has length 34 [2023-04-02 08:16:10,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:16:10,840 INFO L495 AbstractCegarLoop]: Abstraction has 1863 states and 2583 transitions. [2023-04-02 08:16:10,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-04-02 08:16:10,840 INFO L276 IsEmpty]: Start isEmpty. Operand 1863 states and 2583 transitions. [2023-04-02 08:16:10,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-04-02 08:16:10,842 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:16:10,842 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 08:16:10,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-02 08:16:10,842 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:16:10,843 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:16:10,843 INFO L85 PathProgramCache]: Analyzing trace with hash -717740980, now seen corresponding path program 1 times [2023-04-02 08:16:10,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:16:10,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170571171] [2023-04-02 08:16:10,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:16:10,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:16:10,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:16:11,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:16:11,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:16:11,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:16:11,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:16:11,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 08:16:11,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:16:11,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:16:11,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:16:11,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 08:16:11,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:16:11,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170571171] [2023-04-02 08:16:11,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170571171] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:16:11,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 08:16:11,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-02 08:16:11,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130562468] [2023-04-02 08:16:11,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:16:11,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-02 08:16:11,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:16:11,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-02 08:16:11,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-04-02 08:16:11,226 INFO L87 Difference]: Start difference. First operand 1863 states and 2583 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 3 states have internal predecessors, (23), 3 states have call successors, (7), 5 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-04-02 08:16:16,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:16:16,865 INFO L93 Difference]: Finished difference Result 1989 states and 2770 transitions. [2023-04-02 08:16:16,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-02 08:16:16,866 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 3 states have internal predecessors, (23), 3 states have call successors, (7), 5 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 34 [2023-04-02 08:16:16,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:16:16,876 INFO L225 Difference]: With dead ends: 1989 [2023-04-02 08:16:16,876 INFO L226 Difference]: Without dead ends: 1986 [2023-04-02 08:16:16,877 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-04-02 08:16:16,878 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 1642 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 1519 mSolverCounterSat, 832 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1667 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 2351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 832 IncrementalHoareTripleChecker+Valid, 1519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2023-04-02 08:16:16,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1667 Valid, 300 Invalid, 2351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [832 Valid, 1519 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2023-04-02 08:16:16,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1986 states. [2023-04-02 08:16:17,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1986 to 1862. [2023-04-02 08:16:17,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1862 states, 1265 states have (on average 1.3272727272727274) internal successors, (1679), 1278 states have internal predecessors, (1679), 454 states have call successors, (454), 145 states have call predecessors, (454), 142 states have return successors, (448), 448 states have call predecessors, (448), 448 states have call successors, (448) [2023-04-02 08:16:17,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1862 states to 1862 states and 2581 transitions. [2023-04-02 08:16:17,465 INFO L78 Accepts]: Start accepts. Automaton has 1862 states and 2581 transitions. Word has length 34 [2023-04-02 08:16:17,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:16:17,465 INFO L495 AbstractCegarLoop]: Abstraction has 1862 states and 2581 transitions. [2023-04-02 08:16:17,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 3 states have internal predecessors, (23), 3 states have call successors, (7), 5 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-04-02 08:16:17,466 INFO L276 IsEmpty]: Start isEmpty. Operand 1862 states and 2581 transitions. [2023-04-02 08:16:17,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-04-02 08:16:17,468 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:16:17,468 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 08:16:17,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-02 08:16:17,468 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:16:17,469 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:16:17,469 INFO L85 PathProgramCache]: Analyzing trace with hash -775695407, now seen corresponding path program 1 times [2023-04-02 08:16:17,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:16:17,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552270965] [2023-04-02 08:16:17,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:16:17,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:16:17,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:16:17,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:16:17,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:16:17,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:16:17,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:16:17,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 08:16:17,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:16:17,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:16:17,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:16:17,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 08:16:17,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:16:17,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552270965] [2023-04-02 08:16:17,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552270965] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:16:17,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 08:16:17,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-02 08:16:17,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597731105] [2023-04-02 08:16:17,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:16:17,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-02 08:16:17,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:16:17,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-02 08:16:17,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-04-02 08:16:17,815 INFO L87 Difference]: Start difference. First operand 1862 states and 2581 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 3 states have internal predecessors, (24), 3 states have call successors, (7), 5 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-04-02 08:16:23,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:16:23,192 INFO L93 Difference]: Finished difference Result 1988 states and 2768 transitions. [2023-04-02 08:16:23,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-02 08:16:23,193 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 3 states have internal predecessors, (24), 3 states have call successors, (7), 5 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 35 [2023-04-02 08:16:23,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:16:23,202 INFO L225 Difference]: With dead ends: 1988 [2023-04-02 08:16:23,202 INFO L226 Difference]: Without dead ends: 1985 [2023-04-02 08:16:23,203 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-04-02 08:16:23,203 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 2360 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 1299 mSolverCounterSat, 1256 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2385 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 2555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1256 IncrementalHoareTripleChecker+Valid, 1299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2023-04-02 08:16:23,204 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2385 Valid, 312 Invalid, 2555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1256 Valid, 1299 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2023-04-02 08:16:23,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1985 states. [2023-04-02 08:16:23,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1985 to 1861. [2023-04-02 08:16:23,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1861 states, 1265 states have (on average 1.326482213438735) internal successors, (1678), 1277 states have internal predecessors, (1678), 453 states have call successors, (453), 145 states have call predecessors, (453), 142 states have return successors, (448), 448 states have call predecessors, (448), 448 states have call successors, (448) [2023-04-02 08:16:23,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1861 states to 1861 states and 2579 transitions. [2023-04-02 08:16:23,806 INFO L78 Accepts]: Start accepts. Automaton has 1861 states and 2579 transitions. Word has length 35 [2023-04-02 08:16:23,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:16:23,807 INFO L495 AbstractCegarLoop]: Abstraction has 1861 states and 2579 transitions. [2023-04-02 08:16:23,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 3 states have internal predecessors, (24), 3 states have call successors, (7), 5 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-04-02 08:16:23,807 INFO L276 IsEmpty]: Start isEmpty. Operand 1861 states and 2579 transitions. [2023-04-02 08:16:23,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-04-02 08:16:23,808 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:16:23,808 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 08:16:23,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-02 08:16:23,811 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:16:23,811 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:16:23,811 INFO L85 PathProgramCache]: Analyzing trace with hash 1722689519, now seen corresponding path program 1 times [2023-04-02 08:16:23,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:16:23,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834724183] [2023-04-02 08:16:23,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:16:23,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:16:23,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:16:24,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:16:24,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:16:24,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:16:24,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:16:24,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 08:16:24,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:16:24,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:16:24,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:16:24,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 08:16:24,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:16:24,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834724183] [2023-04-02 08:16:24,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834724183] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:16:24,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 08:16:24,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-02 08:16:24,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266295150] [2023-04-02 08:16:24,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:16:24,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-02 08:16:24,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:16:24,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-02 08:16:24,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-04-02 08:16:24,167 INFO L87 Difference]: Start difference. First operand 1861 states and 2579 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 3 states have internal predecessors, (25), 3 states have call successors, (7), 5 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-04-02 08:16:33,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:16:33,630 INFO L93 Difference]: Finished difference Result 5523 states and 7715 transitions. [2023-04-02 08:16:33,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-02 08:16:33,633 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 3 states have internal predecessors, (25), 3 states have call successors, (7), 5 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 36 [2023-04-02 08:16:33,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:16:33,657 INFO L225 Difference]: With dead ends: 5523 [2023-04-02 08:16:33,657 INFO L226 Difference]: Without dead ends: 3661 [2023-04-02 08:16:33,665 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-04-02 08:16:33,666 INFO L413 NwaCegarLoop]: 238 mSDtfsCounter, 2435 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 2593 mSolverCounterSat, 877 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2634 SdHoareTripleChecker+Valid, 550 SdHoareTripleChecker+Invalid, 3470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 877 IncrementalHoareTripleChecker+Valid, 2593 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2023-04-02 08:16:33,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2634 Valid, 550 Invalid, 3470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [877 Valid, 2593 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2023-04-02 08:16:33,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3661 states. [2023-04-02 08:16:34,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3661 to 3630. [2023-04-02 08:16:34,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3630 states, 2480 states have (on average 1.3298387096774194) internal successors, (3298), 2507 states have internal predecessors, (3298), 881 states have call successors, (881), 276 states have call predecessors, (881), 268 states have return successors, (892), 864 states have call predecessors, (892), 868 states have call successors, (892) [2023-04-02 08:16:34,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3630 states to 3630 states and 5071 transitions. [2023-04-02 08:16:34,775 INFO L78 Accepts]: Start accepts. Automaton has 3630 states and 5071 transitions. Word has length 36 [2023-04-02 08:16:34,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:16:34,775 INFO L495 AbstractCegarLoop]: Abstraction has 3630 states and 5071 transitions. [2023-04-02 08:16:34,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 3 states have internal predecessors, (25), 3 states have call successors, (7), 5 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-04-02 08:16:34,776 INFO L276 IsEmpty]: Start isEmpty. Operand 3630 states and 5071 transitions. [2023-04-02 08:16:34,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-04-02 08:16:34,779 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:16:34,779 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 08:16:34,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-02 08:16:34,779 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:16:34,779 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:16:34,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1367703824, now seen corresponding path program 1 times [2023-04-02 08:16:34,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:16:34,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414274695] [2023-04-02 08:16:34,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:16:34,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:16:34,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:16:35,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:16:35,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:16:35,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:16:35,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:16:35,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-02 08:16:35,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:16:35,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:16:35,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:16:35,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-04-02 08:16:35,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:16:35,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:16:35,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:16:35,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:16:35,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:16:35,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 08:16:35,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:16:35,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 08:16:35,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:16:35,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414274695] [2023-04-02 08:16:35,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414274695] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:16:35,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 08:16:35,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-02 08:16:35,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860860968] [2023-04-02 08:16:35,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:16:35,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-02 08:16:35,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:16:35,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-02 08:16:35,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-04-02 08:16:35,162 INFO L87 Difference]: Start difference. First operand 3630 states and 5071 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-02 08:16:46,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:16:46,360 INFO L93 Difference]: Finished difference Result 10887 states and 15334 transitions. [2023-04-02 08:16:46,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-02 08:16:46,360 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 65 [2023-04-02 08:16:46,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:16:46,401 INFO L225 Difference]: With dead ends: 10887 [2023-04-02 08:16:46,401 INFO L226 Difference]: Without dead ends: 7268 [2023-04-02 08:16:46,416 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2023-04-02 08:16:46,417 INFO L413 NwaCegarLoop]: 215 mSDtfsCounter, 4856 mSDsluCounter, 612 mSDsCounter, 0 mSdLazyCounter, 3039 mSolverCounterSat, 2585 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4996 SdHoareTripleChecker+Valid, 827 SdHoareTripleChecker+Invalid, 5624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2585 IncrementalHoareTripleChecker+Valid, 3039 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2023-04-02 08:16:46,418 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4996 Valid, 827 Invalid, 5624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2585 Valid, 3039 Invalid, 0 Unknown, 0 Unchecked, 8.9s Time] [2023-04-02 08:16:46,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7268 states. [2023-04-02 08:16:48,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7268 to 6734. [2023-04-02 08:16:48,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6734 states, 4616 states have (on average 1.3314558058925476) internal successors, (6146), 4659 states have internal predecessors, (6146), 1629 states have call successors, (1629), 496 states have call predecessors, (1629), 488 states have return successors, (1640), 1612 states have call predecessors, (1640), 1616 states have call successors, (1640) [2023-04-02 08:16:48,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6734 states to 6734 states and 9415 transitions. [2023-04-02 08:16:48,139 INFO L78 Accepts]: Start accepts. Automaton has 6734 states and 9415 transitions. Word has length 65 [2023-04-02 08:16:48,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:16:48,140 INFO L495 AbstractCegarLoop]: Abstraction has 6734 states and 9415 transitions. [2023-04-02 08:16:48,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-02 08:16:48,140 INFO L276 IsEmpty]: Start isEmpty. Operand 6734 states and 9415 transitions. [2023-04-02 08:16:48,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-04-02 08:16:48,145 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:16:48,145 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-04-02 08:16:48,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-02 08:16:48,145 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:16:48,146 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:16:48,146 INFO L85 PathProgramCache]: Analyzing trace with hash 678968740, now seen corresponding path program 1 times [2023-04-02 08:16:48,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:16:48,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160543950] [2023-04-02 08:16:48,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:16:48,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:16:48,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:16:48,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:16:48,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:16:48,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:16:48,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:16:48,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 08:16:48,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:16:48,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:16:48,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:16:48,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-04-02 08:16:48,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:16:48,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:16:48,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:16:48,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-04-02 08:16:48,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:16:48,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:16:48,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:16:48,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:16:48,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:16:48,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-04-02 08:16:48,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:16:48,605 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 08:16:48,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:16:48,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160543950] [2023-04-02 08:16:48,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160543950] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:16:48,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 08:16:48,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-02 08:16:48,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017723424] [2023-04-02 08:16:48,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:16:48,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-02 08:16:48,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:16:48,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-02 08:16:48,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-04-02 08:16:48,608 INFO L87 Difference]: Start difference. First operand 6734 states and 9415 transitions. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-02 08:17:01,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:17:01,387 INFO L93 Difference]: Finished difference Result 17393 states and 24506 transitions. [2023-04-02 08:17:01,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-02 08:17:01,389 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 84 [2023-04-02 08:17:01,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:17:01,455 INFO L225 Difference]: With dead ends: 17393 [2023-04-02 08:17:01,455 INFO L226 Difference]: Without dead ends: 10670 [2023-04-02 08:17:01,481 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2023-04-02 08:17:01,484 INFO L413 NwaCegarLoop]: 297 mSDtfsCounter, 2311 mSDsluCounter, 803 mSDsCounter, 0 mSdLazyCounter, 4703 mSolverCounterSat, 1036 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2451 SdHoareTripleChecker+Valid, 1100 SdHoareTripleChecker+Invalid, 5739 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1036 IncrementalHoareTripleChecker+Valid, 4703 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2023-04-02 08:17:01,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2451 Valid, 1100 Invalid, 5739 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1036 Valid, 4703 Invalid, 0 Unknown, 0 Unchecked, 9.5s Time] [2023-04-02 08:17:01,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10670 states. [2023-04-02 08:17:03,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10670 to 9878. [2023-04-02 08:17:04,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9878 states, 6792 states have (on average 1.3330388692579505) internal successors, (9054), 6851 states have internal predecessors, (9054), 2377 states have call successors, (2377), 716 states have call predecessors, (2377), 708 states have return successors, (2388), 2360 states have call predecessors, (2388), 2364 states have call successors, (2388) [2023-04-02 08:17:04,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9878 states to 9878 states and 13819 transitions. [2023-04-02 08:17:04,034 INFO L78 Accepts]: Start accepts. Automaton has 9878 states and 13819 transitions. Word has length 84 [2023-04-02 08:17:04,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:17:04,034 INFO L495 AbstractCegarLoop]: Abstraction has 9878 states and 13819 transitions. [2023-04-02 08:17:04,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-02 08:17:04,035 INFO L276 IsEmpty]: Start isEmpty. Operand 9878 states and 13819 transitions. [2023-04-02 08:17:04,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-04-02 08:17:04,043 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:17:04,043 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2023-04-02 08:17:04,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-02 08:17:04,044 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:17:04,044 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:17:04,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1120580185, now seen corresponding path program 1 times [2023-04-02 08:17:04,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:17:04,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582550912] [2023-04-02 08:17:04,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:17:04,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:17:04,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:17:04,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:17:04,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:17:04,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:17:04,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:17:04,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 08:17:04,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:17:04,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:17:04,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:17:04,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 08:17:04,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:17:04,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-04-02 08:17:04,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:17:04,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:17:04,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:17:04,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-04-02 08:17:04,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:17:04,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:17:04,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:17:04,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:17:04,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:17:04,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-04-02 08:17:04,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:17:04,617 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-04-02 08:17:04,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:17:04,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582550912] [2023-04-02 08:17:04,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582550912] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:17:04,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 08:17:04,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-04-02 08:17:04,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187841825] [2023-04-02 08:17:04,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:17:04,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-02 08:17:04,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:17:04,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-02 08:17:04,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-04-02 08:17:04,619 INFO L87 Difference]: Start difference. First operand 9878 states and 13819 transitions. Second operand has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 4 states have internal predecessors, (65), 4 states have call successors, (16), 8 states have call predecessors, (16), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2023-04-02 08:17:15,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:17:15,277 INFO L93 Difference]: Finished difference Result 20522 states and 28872 transitions. [2023-04-02 08:17:15,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-04-02 08:17:15,277 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 4 states have internal predecessors, (65), 4 states have call successors, (16), 8 states have call predecessors, (16), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 100 [2023-04-02 08:17:15,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:17:15,321 INFO L225 Difference]: With dead ends: 20522 [2023-04-02 08:17:15,321 INFO L226 Difference]: Without dead ends: 10655 [2023-04-02 08:17:15,354 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2023-04-02 08:17:15,355 INFO L413 NwaCegarLoop]: 184 mSDtfsCounter, 3103 mSDsluCounter, 741 mSDsCounter, 0 mSdLazyCounter, 4185 mSolverCounterSat, 1783 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3124 SdHoareTripleChecker+Valid, 925 SdHoareTripleChecker+Invalid, 5968 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1783 IncrementalHoareTripleChecker+Valid, 4185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2023-04-02 08:17:15,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3124 Valid, 925 Invalid, 5968 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1783 Valid, 4185 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2023-04-02 08:17:15,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10655 states. [2023-04-02 08:17:17,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10655 to 9878. [2023-04-02 08:17:17,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9878 states, 6792 states have (on average 1.3324499411071848) internal successors, (9050), 6851 states have internal predecessors, (9050), 2377 states have call successors, (2377), 716 states have call predecessors, (2377), 708 states have return successors, (2388), 2360 states have call predecessors, (2388), 2364 states have call successors, (2388) [2023-04-02 08:17:17,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9878 states to 9878 states and 13815 transitions. [2023-04-02 08:17:17,936 INFO L78 Accepts]: Start accepts. Automaton has 9878 states and 13815 transitions. Word has length 100 [2023-04-02 08:17:17,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:17:17,937 INFO L495 AbstractCegarLoop]: Abstraction has 9878 states and 13815 transitions. [2023-04-02 08:17:17,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 4 states have internal predecessors, (65), 4 states have call successors, (16), 8 states have call predecessors, (16), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2023-04-02 08:17:17,937 INFO L276 IsEmpty]: Start isEmpty. Operand 9878 states and 13815 transitions. [2023-04-02 08:17:17,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-04-02 08:17:17,948 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:17:17,948 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2023-04-02 08:17:17,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-02 08:17:17,948 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:17:17,949 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:17:17,949 INFO L85 PathProgramCache]: Analyzing trace with hash 899281078, now seen corresponding path program 1 times [2023-04-02 08:17:17,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:17:17,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997602682] [2023-04-02 08:17:17,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:17:17,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:17:17,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:17:18,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:17:18,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:17:18,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:17:18,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:17:18,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 08:17:18,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:17:18,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:17:18,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:17:18,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 08:17:18,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:17:18,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-04-02 08:17:18,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:17:18,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:17:18,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:17:18,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-04-02 08:17:18,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:17:18,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:17:18,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:17:18,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:17:18,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:17:18,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-04-02 08:17:18,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:17:18,408 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-04-02 08:17:18,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:17:18,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997602682] [2023-04-02 08:17:18,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997602682] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:17:18,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 08:17:18,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-02 08:17:18,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365118951] [2023-04-02 08:17:18,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:17:18,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-02 08:17:18,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:17:18,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-02 08:17:18,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-04-02 08:17:18,410 INFO L87 Difference]: Start difference. First operand 9878 states and 13815 transitions. Second operand has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (16), 7 states have call predecessors, (16), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-04-02 08:17:31,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:17:31,288 INFO L93 Difference]: Finished difference Result 20524 states and 28855 transitions. [2023-04-02 08:17:31,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-02 08:17:31,289 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (16), 7 states have call predecessors, (16), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 101 [2023-04-02 08:17:31,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:17:31,335 INFO L225 Difference]: With dead ends: 20524 [2023-04-02 08:17:31,335 INFO L226 Difference]: Without dead ends: 10657 [2023-04-02 08:17:31,364 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2023-04-02 08:17:31,367 INFO L413 NwaCegarLoop]: 327 mSDtfsCounter, 2335 mSDsluCounter, 632 mSDsCounter, 0 mSdLazyCounter, 4582 mSolverCounterSat, 1046 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2489 SdHoareTripleChecker+Valid, 959 SdHoareTripleChecker+Invalid, 5628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1046 IncrementalHoareTripleChecker+Valid, 4582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2023-04-02 08:17:31,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2489 Valid, 959 Invalid, 5628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1046 Valid, 4582 Invalid, 0 Unknown, 0 Unchecked, 9.5s Time] [2023-04-02 08:17:31,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10657 states. [2023-04-02 08:17:34,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10657 to 9861. [2023-04-02 08:17:34,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9861 states, 6782 states have (on average 1.3323503391329992) internal successors, (9036), 6842 states have internal predecessors, (9036), 2371 states have call successors, (2371), 712 states have call predecessors, (2371), 707 states have return successors, (2362), 2356 states have call predecessors, (2362), 2350 states have call successors, (2362) [2023-04-02 08:17:34,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9861 states to 9861 states and 13769 transitions. [2023-04-02 08:17:34,192 INFO L78 Accepts]: Start accepts. Automaton has 9861 states and 13769 transitions. Word has length 101 [2023-04-02 08:17:34,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:17:34,192 INFO L495 AbstractCegarLoop]: Abstraction has 9861 states and 13769 transitions. [2023-04-02 08:17:34,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (16), 7 states have call predecessors, (16), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-04-02 08:17:34,192 INFO L276 IsEmpty]: Start isEmpty. Operand 9861 states and 13769 transitions. [2023-04-02 08:17:34,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-04-02 08:17:34,200 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:17:34,200 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 08:17:34,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-04-02 08:17:34,201 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:17:34,201 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:17:34,201 INFO L85 PathProgramCache]: Analyzing trace with hash -2048340603, now seen corresponding path program 1 times [2023-04-02 08:17:34,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:17:34,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804932745] [2023-04-02 08:17:34,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:17:34,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:17:34,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:17:34,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:17:34,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:17:34,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:17:34,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:17:34,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 08:17:34,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:17:34,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:17:34,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:17:34,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 08:17:34,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:17:34,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-04-02 08:17:34,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:17:34,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:17:34,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:17:34,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-04-02 08:17:34,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:17:34,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:17:34,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:17:34,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:17:34,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:17:34,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-04-02 08:17:34,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:17:34,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:17:34,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:17:34,707 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-02 08:17:34,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:17:34,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804932745] [2023-04-02 08:17:34,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804932745] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:17:34,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 08:17:34,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-04-02 08:17:34,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279965928] [2023-04-02 08:17:34,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:17:34,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-02 08:17:34,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:17:34,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-02 08:17:34,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-04-02 08:17:34,709 INFO L87 Difference]: Start difference. First operand 9861 states and 13769 transitions. Second operand has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (12), 4 states have call predecessors, (12), 2 states have call successors, (12) [2023-04-02 08:17:45,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:17:45,550 INFO L93 Difference]: Finished difference Result 10705 states and 15064 transitions. [2023-04-02 08:17:45,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-04-02 08:17:45,550 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (12), 4 states have call predecessors, (12), 2 states have call successors, (12) Word has length 106 [2023-04-02 08:17:45,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:17:45,589 INFO L225 Difference]: With dead ends: 10705 [2023-04-02 08:17:45,589 INFO L226 Difference]: Without dead ends: 10584 [2023-04-02 08:17:45,596 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=64, Invalid=208, Unknown=0, NotChecked=0, Total=272 [2023-04-02 08:17:45,597 INFO L413 NwaCegarLoop]: 214 mSDtfsCounter, 2151 mSDsluCounter, 1333 mSDsCounter, 0 mSdLazyCounter, 7551 mSolverCounterSat, 1063 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2272 SdHoareTripleChecker+Valid, 1547 SdHoareTripleChecker+Invalid, 8614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1063 IncrementalHoareTripleChecker+Valid, 7551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2023-04-02 08:17:45,597 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2272 Valid, 1547 Invalid, 8614 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1063 Valid, 7551 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2023-04-02 08:17:45,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10584 states. [2023-04-02 08:17:48,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10584 to 9807. [2023-04-02 08:17:48,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9807 states, 6746 states have (on average 1.3317521494218796) internal successors, (8984), 6802 states have internal predecessors, (8984), 2353 states have call successors, (2353), 710 states have call predecessors, (2353), 707 states have return successors, (2348), 2344 states have call predecessors, (2348), 2336 states have call successors, (2348) [2023-04-02 08:17:48,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9807 states to 9807 states and 13685 transitions. [2023-04-02 08:17:48,280 INFO L78 Accepts]: Start accepts. Automaton has 9807 states and 13685 transitions. Word has length 106 [2023-04-02 08:17:48,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:17:48,281 INFO L495 AbstractCegarLoop]: Abstraction has 9807 states and 13685 transitions. [2023-04-02 08:17:48,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (12), 4 states have call predecessors, (12), 2 states have call successors, (12) [2023-04-02 08:17:48,281 INFO L276 IsEmpty]: Start isEmpty. Operand 9807 states and 13685 transitions. [2023-04-02 08:17:48,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-04-02 08:17:48,290 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:17:48,291 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2023-04-02 08:17:48,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-04-02 08:17:48,291 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:17:48,291 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:17:48,292 INFO L85 PathProgramCache]: Analyzing trace with hash 2144045559, now seen corresponding path program 1 times [2023-04-02 08:17:48,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:17:48,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607485242] [2023-04-02 08:17:48,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:17:48,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:17:48,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:17:48,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:17:48,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:17:48,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:17:48,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:17:48,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 08:17:48,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:17:48,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:17:48,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:17:48,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 08:17:48,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:17:48,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-04-02 08:17:48,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:17:48,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:17:48,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:17:48,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-04-02 08:17:48,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:17:48,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:17:48,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:17:48,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:17:48,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:17:48,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-04-02 08:17:48,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:17:48,829 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-04-02 08:17:48,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:17:48,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607485242] [2023-04-02 08:17:48,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607485242] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:17:48,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 08:17:48,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-04-02 08:17:48,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937584450] [2023-04-02 08:17:48,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:17:48,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-02 08:17:48,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:17:48,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-02 08:17:48,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-04-02 08:17:48,831 INFO L87 Difference]: Start difference. First operand 9807 states and 13685 transitions. Second operand has 11 states, 11 states have (on average 6.0) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (11), 4 states have call predecessors, (11), 2 states have call successors, (11) [2023-04-02 08:17:59,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:17:59,445 INFO L93 Difference]: Finished difference Result 10714 states and 15065 transitions. [2023-04-02 08:17:59,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-04-02 08:17:59,445 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.0) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (11), 4 states have call predecessors, (11), 2 states have call successors, (11) Word has length 101 [2023-04-02 08:17:59,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:17:59,477 INFO L225 Difference]: With dead ends: 10714 [2023-04-02 08:17:59,478 INFO L226 Difference]: Without dead ends: 10553 [2023-04-02 08:17:59,484 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=64, Invalid=208, Unknown=0, NotChecked=0, Total=272 [2023-04-02 08:17:59,485 INFO L413 NwaCegarLoop]: 226 mSDtfsCounter, 1406 mSDsluCounter, 1289 mSDsCounter, 0 mSdLazyCounter, 7453 mSolverCounterSat, 593 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1525 SdHoareTripleChecker+Valid, 1515 SdHoareTripleChecker+Invalid, 8046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 593 IncrementalHoareTripleChecker+Valid, 7453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2023-04-02 08:17:59,485 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1525 Valid, 1515 Invalid, 8046 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [593 Valid, 7453 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2023-04-02 08:17:59,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10553 states. [2023-04-02 08:18:01,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10553 to 9768. [2023-04-02 08:18:01,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9768 states, 6720 states have (on average 1.33125) internal successors, (8946), 6772 states have internal predecessors, (8946), 2340 states have call successors, (2340), 707 states have call predecessors, (2340), 707 states have return successors, (2340), 2338 states have call predecessors, (2340), 2328 states have call successors, (2340) [2023-04-02 08:18:01,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9768 states to 9768 states and 13626 transitions. [2023-04-02 08:18:01,971 INFO L78 Accepts]: Start accepts. Automaton has 9768 states and 13626 transitions. Word has length 101 [2023-04-02 08:18:01,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:18:01,971 INFO L495 AbstractCegarLoop]: Abstraction has 9768 states and 13626 transitions. [2023-04-02 08:18:01,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.0) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (11), 4 states have call predecessors, (11), 2 states have call successors, (11) [2023-04-02 08:18:01,972 INFO L276 IsEmpty]: Start isEmpty. Operand 9768 states and 13626 transitions. [2023-04-02 08:18:01,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-04-02 08:18:01,981 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:18:01,981 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2023-04-02 08:18:01,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-04-02 08:18:01,981 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:18:01,981 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:18:01,982 INFO L85 PathProgramCache]: Analyzing trace with hash 1453619715, now seen corresponding path program 1 times [2023-04-02 08:18:01,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:18:01,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880425075] [2023-04-02 08:18:01,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:18:01,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:18:02,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:18:02,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:18:02,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:18:02,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:18:02,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:18:02,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 08:18:02,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:18:02,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:18:02,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:18:02,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 08:18:02,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:18:02,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 08:18:02,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:18:02,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:18:02,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:18:02,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:18:02,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:18:02,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 08:18:02,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:18:02,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:18:02,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:18:02,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:18:02,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:18:02,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-04-02 08:18:02,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:18:02,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:18:02,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:18:02,536 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-04-02 08:18:02,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:18:02,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880425075] [2023-04-02 08:18:02,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880425075] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:18:02,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 08:18:02,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-02 08:18:02,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162017626] [2023-04-02 08:18:02,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:18:02,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-02 08:18:02,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:18:02,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-02 08:18:02,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2023-04-02 08:18:02,538 INFO L87 Difference]: Start difference. First operand 9768 states and 13626 transitions. Second operand has 12 states, 12 states have (on average 6.0) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (16), 7 states have call predecessors, (16), 4 states have return successors, (13), 4 states have call predecessors, (13), 2 states have call successors, (13) [2023-04-02 08:18:13,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:18:13,016 INFO L93 Difference]: Finished difference Result 15363 states and 21600 transitions. [2023-04-02 08:18:13,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-04-02 08:18:13,017 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.0) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (16), 7 states have call predecessors, (16), 4 states have return successors, (13), 4 states have call predecessors, (13), 2 states have call successors, (13) Word has length 109 [2023-04-02 08:18:13,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:18:13,046 INFO L225 Difference]: With dead ends: 15363 [2023-04-02 08:18:13,046 INFO L226 Difference]: Without dead ends: 10595 [2023-04-02 08:18:13,061 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2023-04-02 08:18:13,061 INFO L413 NwaCegarLoop]: 220 mSDtfsCounter, 1908 mSDsluCounter, 1352 mSDsCounter, 0 mSdLazyCounter, 7712 mSolverCounterSat, 909 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2030 SdHoareTripleChecker+Valid, 1572 SdHoareTripleChecker+Invalid, 8621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 909 IncrementalHoareTripleChecker+Valid, 7712 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2023-04-02 08:18:13,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2030 Valid, 1572 Invalid, 8621 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [909 Valid, 7712 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2023-04-02 08:18:13,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10595 states. [2023-04-02 08:18:15,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10595 to 9762. [2023-04-02 08:18:15,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9762 states, 6716 states have (on average 1.3311494937462776) internal successors, (8940), 6768 states have internal predecessors, (8940), 2340 states have call successors, (2340), 707 states have call predecessors, (2340), 705 states have return successors, (2338), 2336 states have call predecessors, (2338), 2328 states have call successors, (2338) [2023-04-02 08:18:15,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9762 states to 9762 states and 13618 transitions. [2023-04-02 08:18:15,555 INFO L78 Accepts]: Start accepts. Automaton has 9762 states and 13618 transitions. Word has length 109 [2023-04-02 08:18:15,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:18:15,555 INFO L495 AbstractCegarLoop]: Abstraction has 9762 states and 13618 transitions. [2023-04-02 08:18:15,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.0) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (16), 7 states have call predecessors, (16), 4 states have return successors, (13), 4 states have call predecessors, (13), 2 states have call successors, (13) [2023-04-02 08:18:15,555 INFO L276 IsEmpty]: Start isEmpty. Operand 9762 states and 13618 transitions. [2023-04-02 08:18:15,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-04-02 08:18:15,565 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:18:15,565 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2023-04-02 08:18:15,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-04-02 08:18:15,565 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:18:15,566 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:18:15,566 INFO L85 PathProgramCache]: Analyzing trace with hash 1687066183, now seen corresponding path program 1 times [2023-04-02 08:18:15,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:18:15,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415548329] [2023-04-02 08:18:15,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:18:15,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:18:15,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:18:15,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:18:15,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:18:15,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:18:15,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:18:15,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 08:18:15,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:18:15,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:18:15,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:18:15,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 08:18:15,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:18:15,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-04-02 08:18:15,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:18:16,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:18:16,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:18:16,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:18:16,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:18:16,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 08:18:16,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:18:16,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:18:16,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:18:16,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:18:16,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:18:16,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-04-02 08:18:16,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:18:16,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:18:16,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:18:16,124 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-02 08:18:16,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:18:16,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415548329] [2023-04-02 08:18:16,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415548329] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:18:16,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 08:18:16,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-02 08:18:16,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478438035] [2023-04-02 08:18:16,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:18:16,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-02 08:18:16,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:18:16,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-02 08:18:16,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2023-04-02 08:18:16,127 INFO L87 Difference]: Start difference. First operand 9762 states and 13618 transitions. Second operand has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (16), 7 states have call predecessors, (16), 4 states have return successors, (13), 4 states have call predecessors, (13), 2 states have call successors, (13) [2023-04-02 08:18:26,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:18:26,208 INFO L93 Difference]: Finished difference Result 10481 states and 14721 transitions. [2023-04-02 08:18:26,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-04-02 08:18:26,208 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (16), 7 states have call predecessors, (16), 4 states have return successors, (13), 4 states have call predecessors, (13), 2 states have call successors, (13) Word has length 111 [2023-04-02 08:18:26,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:18:26,209 INFO L225 Difference]: With dead ends: 10481 [2023-04-02 08:18:26,209 INFO L226 Difference]: Without dead ends: 0 [2023-04-02 08:18:26,232 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2023-04-02 08:18:26,232 INFO L413 NwaCegarLoop]: 214 mSDtfsCounter, 2124 mSDsluCounter, 1428 mSDsCounter, 0 mSdLazyCounter, 7689 mSolverCounterSat, 1048 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2254 SdHoareTripleChecker+Valid, 1642 SdHoareTripleChecker+Invalid, 8737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1048 IncrementalHoareTripleChecker+Valid, 7689 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2023-04-02 08:18:26,232 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2254 Valid, 1642 Invalid, 8737 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1048 Valid, 7689 Invalid, 0 Unknown, 0 Unchecked, 8.1s Time] [2023-04-02 08:18:26,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-02 08:18:26,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-02 08:18:26,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-04-02 08:18:26,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-02 08:18:26,235 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 111 [2023-04-02 08:18:26,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:18:26,235 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-02 08:18:26,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (16), 7 states have call predecessors, (16), 4 states have return successors, (13), 4 states have call predecessors, (13), 2 states have call successors, (13) [2023-04-02 08:18:26,235 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-02 08:18:26,235 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-02 08:18:26,237 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-02 08:18:26,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-04-02 08:18:26,240 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-02 08:18:42,407 WARN L223 SmtUtils]: Spent 12.40s on a formula simplification. DAG size of input: 234 DAG size of output: 227 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-04-02 08:18:54,864 WARN L223 SmtUtils]: Spent 12.45s on a formula simplification. DAG size of input: 233 DAG size of output: 225 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-04-02 08:19:08,004 WARN L223 SmtUtils]: Spent 13.13s on a formula simplification. DAG size of input: 232 DAG size of output: 223 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-04-02 08:19:20,649 WARN L223 SmtUtils]: Spent 12.64s on a formula simplification. DAG size of input: 234 DAG size of output: 227 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-04-02 08:19:34,546 WARN L223 SmtUtils]: Spent 13.89s on a formula simplification. DAG size of input: 233 DAG size of output: 228 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or)