/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-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 08:32:03,625 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 08:32:03,627 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 08:32:03,667 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 08:32:03,667 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 08:32:03,670 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 08:32:03,672 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 08:32:03,674 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 08:32:03,675 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 08:32:03,680 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 08:32:03,682 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 08:32:03,684 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 08:32:03,684 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 08:32:03,686 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 08:32:03,687 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 08:32:03,688 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 08:32:03,689 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 08:32:03,689 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 08:32:03,691 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 08:32:03,695 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 08:32:03,696 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 08:32:03,697 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 08:32:03,698 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 08:32:03,699 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 08:32:03,706 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 08:32:03,707 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 08:32:03,707 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 08:32:03,708 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 08:32:03,709 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 08:32:03,709 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 08:32:03,709 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 08:32:03,710 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 08:32:03,711 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 08:32:03,712 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 08:32:03,712 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 08:32:03,712 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 08:32:03,713 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 08:32:03,713 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 08:32:03,713 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 08:32:03,714 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 08:32:03,714 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 08:32:03,716 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 08:32:03,742 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 08:32:03,743 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 08:32:03,743 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 08:32:03,743 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 08:32:03,744 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 08:32:03,745 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 08:32:03,745 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 08:32:03,745 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 08:32:03,745 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 08:32:03,745 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 08:32:03,746 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 08:32:03,746 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 08:32:03,747 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 08:32:03,747 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 08:32:03,747 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 08:32:03,747 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 08:32:03,747 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 08:32:03,747 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 08:32:03,747 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 08:32:03,747 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 08:32:03,748 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 08:32:03,748 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 08:32:03,748 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 08:32:03,748 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 08:32:03,748 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 08:32:03,749 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 08:32:03,749 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 08:32:03,749 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 08:32:03,749 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 08:32:03,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 08:32:03,749 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 08:32:03,750 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 08:32:03,750 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 08:32:03,750 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 08:32:03,750 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 08:32:03,750 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 08:32:03,991 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 08:32:04,018 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 08:32:04,020 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 08:32:04,021 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 08:32:04,022 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 08:32:04,023 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i [2023-04-02 08:32:05,265 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 08:32:05,767 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 08:32:05,767 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i [2023-04-02 08:32:05,811 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bdd16c76b/2886af17738a449a849e9cef0e82be06/FLAGdaf4fd86e [2023-04-02 08:32:05,834 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bdd16c76b/2886af17738a449a849e9cef0e82be06 [2023-04-02 08:32:05,836 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 08:32:05,837 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 08:32:05,842 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 08:32:05,842 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 08:32:05,845 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 08:32:05,845 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 08:32:05" (1/1) ... [2023-04-02 08:32:05,846 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18bcdeba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:32:05, skipping insertion in model container [2023-04-02 08:32:05,847 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 08:32:05" (1/1) ... [2023-04-02 08:32:05,853 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 08:32:05,984 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 08:32:06,882 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i[202214,202227] [2023-04-02 08:32:07,376 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 08:32:07,401 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 08:32:07,513 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i[202214,202227] [2023-04-02 08:32:07,627 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 08:32:07,774 WARN L667 CHandler]: The function __VERIFIER_nondet_u8 is called, but not defined or handled by StandardFunctionHandler. [2023-04-02 08:32:07,781 INFO L208 MainTranslator]: Completed translation [2023-04-02 08:32:07,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:32:07 WrapperNode [2023-04-02 08:32:07,781 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 08:32:07,782 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 08:32:07,782 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 08:32:07,782 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 08:32:07,793 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:32:07" (1/1) ... [2023-04-02 08:32:07,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:32:07" (1/1) ... [2023-04-02 08:32:07,849 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:32:07" (1/1) ... [2023-04-02 08:32:07,849 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:32:07" (1/1) ... [2023-04-02 08:32:07,939 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:32:07" (1/1) ... [2023-04-02 08:32:07,951 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:32:07" (1/1) ... [2023-04-02 08:32:07,967 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:32:07" (1/1) ... [2023-04-02 08:32:07,978 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:32:07" (1/1) ... [2023-04-02 08:32:07,997 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 08:32:07,998 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 08:32:07,998 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 08:32:07,998 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 08:32:07,999 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:32:07" (1/1) ... [2023-04-02 08:32:08,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 08:32:08,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 08:32:08,031 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 08:32:08,055 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 08:32:08,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 08:32:08,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 08:32:08,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-04-02 08:32:08,074 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 08:32:08,074 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2023-04-02 08:32:08,074 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2023-04-02 08:32:08,074 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2023-04-02 08:32:08,074 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2023-04-02 08:32:08,074 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-04-02 08:32:08,074 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-04-02 08:32:08,074 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-04-02 08:32:08,075 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2023-04-02 08:32:08,075 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2023-04-02 08:32:08,075 INFO L138 BoogieDeclarations]: Found implementation of procedure sema_init [2023-04-02 08:32:08,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-04-02 08:32:08,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-04-02 08:32:08,075 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-04-02 08:32:08,075 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-04-02 08:32:08,075 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-02 08:32:08,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-02 08:32:08,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-02 08:32:08,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-02 08:32:08,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-02 08:32:08,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-04-02 08:32:08,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-02 08:32:08,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-02 08:32:08,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2023-04-02 08:32:08,076 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-04-02 08:32:08,076 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2023-04-02 08:32:08,076 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2023-04-02 08:32:08,076 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_get_priv [2023-04-02 08:32:08,077 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_pm_wakeup_card_complete [2023-04-02 08:32:08,077 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_recv [2023-04-02 08:32:08,077 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_rx_complete [2023-04-02 08:32:08,077 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_tx_complete [2023-04-02 08:32:08,077 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_submit_rx_urb [2023-04-02 08:32:08,077 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_free [2023-04-02 08:32:08,077 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_probe [2023-04-02 08:32:08,077 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_suspend [2023-04-02 08:32:08,077 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_resume [2023-04-02 08:32:08,077 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_disconnect [2023-04-02 08:32:08,078 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_tx_init [2023-04-02 08:32:08,078 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_rx_init [2023-04-02 08:32:08,079 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_write_data_sync [2023-04-02 08:32:08,079 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_read_data_sync [2023-04-02 08:32:08,079 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_host_to_card [2023-04-02 08:32:08,079 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_register_dev [2023-04-02 08:32:08,079 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_unregister_dev [2023-04-02 08:32:08,079 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_prog_fw_w_helper [2023-04-02 08:32:08,079 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_dnld_fw [2023-04-02 08:32:08,079 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_submit_rx_urb [2023-04-02 08:32:08,080 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_cmd_event_complete [2023-04-02 08:32:08,080 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_data_complete [2023-04-02 08:32:08,081 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_pm_wakeup_card [2023-04-02 08:32:08,081 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_init_module [2023-04-02 08:32:08,081 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_cleanup_module [2023-04-02 08:32:08,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_2 [2023-04-02 08:32:08,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_mwifiex_if_ops_1 [2023-04-02 08:32:08,081 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 08:32:08,082 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2023-04-02 08:32:08,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_2 [2023-04-02 08:32:08,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_3 [2023-04-02 08:32:08,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_4 [2023-04-02 08:32:08,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_5 [2023-04-02 08:32:08,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_6 [2023-04-02 08:32:08,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_7 [2023-04-02 08:32:08,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_8 [2023-04-02 08:32:08,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_dev_9 [2023-04-02 08:32:08,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_10 [2023-04-02 08:32:08,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_dev_14 [2023-04-02 08:32:08,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_15 [2023-04-02 08:32:08,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_16 [2023-04-02 08:32:08,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_17 [2023-04-02 08:32:08,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_18 [2023-04-02 08:32:08,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_20 [2023-04-02 08:32:08,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_22 [2023-04-02 08:32:08,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_23 [2023-04-02 08:32:08,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2023-04-02 08:32:08,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2023-04-02 08:32:08,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2023-04-02 08:32:08,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2023-04-02 08:32:08,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2023-04-02 08:32:08,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2023-04-02 08:32:08,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2023-04-02 08:32:08,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2023-04-02 08:32:08,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2023-04-02 08:32:08,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2023-04-02 08:32:08,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2023-04-02 08:32:08,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2023-04-02 08:32:08,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2023-04-02 08:32:08,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2023-04-02 08:32:08,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2023-04-02 08:32:08,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2023-04-02 08:32:08,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-02 08:32:08,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-04-02 08:32:08,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-04-02 08:32:08,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2023-04-02 08:32:08,087 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-04-02 08:32:08,087 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-04-02 08:32:08,088 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-04-02 08:32:08,088 INFO L138 BoogieDeclarations]: Found implementation of procedure down_interruptible [2023-04-02 08:32:08,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-02 08:32:08,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_2 [2023-04-02 08:32:08,088 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-04-02 08:32:08,088 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_add_card [2023-04-02 08:32:08,089 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_cancel_hs [2023-04-02 08:32:08,089 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_deauthenticate [2023-04-02 08:32:08,089 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_enable_hs [2023-04-02 08:32:08,089 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_init_shutdown_fw [2023-04-02 08:32:08,089 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_process_hs_config [2023-04-02 08:32:08,089 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_process_sleep_confirm_resp [2023-04-02 08:32:08,089 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_remove_card [2023-04-02 08:32:08,089 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_write_data_complete [2023-04-02 08:32:08,089 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-04-02 08:32:08,089 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2023-04-02 08:32:08,090 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-02 08:32:08,090 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-04-02 08:32:08,090 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2023-04-02 08:32:08,090 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2023-04-02 08:32:08,090 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-04-02 08:32:08,090 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2023-04-02 08:32:08,090 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2023-04-02 08:32:08,090 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2023-04-02 08:32:08,090 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2023-04-02 08:32:08,091 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2023-04-02 08:32:08,091 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disable_autosuspend [2023-04-02 08:32:08,091 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-04-02 08:32:08,091 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2023-04-02 08:32:08,091 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2023-04-02 08:32:08,091 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2023-04-02 08:32:08,091 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-02 08:32:08,091 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-02 08:32:08,091 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-02 08:32:08,092 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-04-02 08:32:08,092 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-04-02 08:32:08,092 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 08:32:08,092 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 08:32:08,092 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-02 08:32:08,092 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-02 08:32:08,092 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 08:32:08,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 08:32:08,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-02 08:32:08,093 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-04-02 08:32:08,093 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-02 08:32:08,093 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2023-04-02 08:32:08,093 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2023-04-02 08:32:08,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 08:32:08,093 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2023-04-02 08:32:08,093 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2023-04-02 08:32:08,093 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2023-04-02 08:32:08,093 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-02 08:32:08,093 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-04-02 08:32:08,093 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-04-02 08:32:08,094 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-04-02 08:32:08,094 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-04-02 08:32:08,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 08:32:08,094 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-04-02 08:32:08,094 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2023-04-02 08:32:08,094 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-04-02 08:32:08,094 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-04-02 08:32:08,094 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2023-04-02 08:32:08,094 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2023-04-02 08:32:08,094 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-04-02 08:32:08,095 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-04-02 08:32:08,095 INFO L130 BoogieDeclarations]: Found specification of procedure sema_init [2023-04-02 08:32:08,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-02 08:32:08,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 08:32:08,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 08:32:08,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 08:32:08,095 INFO L130 BoogieDeclarations]: Found specification of procedure down_interruptible [2023-04-02 08:32:08,095 INFO L130 BoogieDeclarations]: Found specification of procedure up [2023-04-02 08:32:08,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_10 [2023-04-02 08:32:08,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_8 [2023-04-02 08:32:08,095 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2023-04-02 08:32:08,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_dev_9 [2023-04-02 08:32:08,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_dev_14 [2023-04-02 08:32:08,096 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2023-04-02 08:32:08,096 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disable_autosuspend [2023-04-02 08:32:08,096 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2023-04-02 08:32:08,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_22 [2023-04-02 08:32:08,096 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2023-04-02 08:32:08,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_23 [2023-04-02 08:32:08,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_2 [2023-04-02 08:32:08,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_15 [2023-04-02 08:32:08,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_16 [2023-04-02 08:32:08,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_17 [2023-04-02 08:32:08,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_18 [2023-04-02 08:32:08,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_4 [2023-04-02 08:32:08,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_5 [2023-04-02 08:32:08,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_6 [2023-04-02 08:32:08,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_7 [2023-04-02 08:32:08,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_3 [2023-04-02 08:32:08,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_20 [2023-04-02 08:32:08,097 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-04-02 08:32:08,097 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2023-04-02 08:32:08,098 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-04-02 08:32:08,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2023-04-02 08:32:08,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2023-04-02 08:32:08,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2023-04-02 08:32:08,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2023-04-02 08:32:08,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2023-04-02 08:32:08,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2023-04-02 08:32:08,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2023-04-02 08:32:08,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2023-04-02 08:32:08,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2023-04-02 08:32:08,099 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-02 08:32:08,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-02 08:32:08,099 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-04-02 08:32:08,099 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-04-02 08:32:08,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-02 08:32:08,099 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-04-02 08:32:08,099 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 08:32:08,099 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-02 08:32:08,099 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 08:32:08,099 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2023-04-02 08:32:08,100 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-02 08:32:08,100 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-02 08:32:08,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 08:32:08,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-02 08:32:08,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-02 08:32:08,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-02 08:32:08,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-04-02 08:32:08,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-02 08:32:08,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2023-04-02 08:32:08,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_2 [2023-04-02 08:32:08,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_mwifiex_if_ops_1 [2023-04-02 08:32:08,101 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2023-04-02 08:32:08,101 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-04-02 08:32:08,101 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2023-04-02 08:32:08,101 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2023-04-02 08:32:08,101 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2023-04-02 08:32:08,101 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2023-04-02 08:32:08,101 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-04-02 08:32:08,101 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2023-04-02 08:32:08,101 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2023-04-02 08:32:08,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-04-02 08:32:08,101 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-04-02 08:32:08,101 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2023-04-02 08:32:08,102 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-04-02 08:32:08,102 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_write_data_complete [2023-04-02 08:32:08,102 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_process_sleep_confirm_resp [2023-04-02 08:32:08,102 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_process_hs_config [2023-04-02 08:32:08,102 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_deauthenticate [2023-04-02 08:32:08,102 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_get_priv [2023-04-02 08:32:08,102 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_init_shutdown_fw [2023-04-02 08:32:08,102 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_add_card [2023-04-02 08:32:08,102 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_remove_card [2023-04-02 08:32:08,102 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_cancel_hs [2023-04-02 08:32:08,102 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_enable_hs [2023-04-02 08:32:08,103 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_pm_wakeup_card_complete [2023-04-02 08:32:08,103 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_submit_rx_urb [2023-04-02 08:32:08,103 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_recv [2023-04-02 08:32:08,103 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_rx_complete [2023-04-02 08:32:08,103 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_tx_complete [2023-04-02 08:32:08,103 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_free [2023-04-02 08:32:08,103 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_probe [2023-04-02 08:32:08,103 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_suspend [2023-04-02 08:32:08,103 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_resume [2023-04-02 08:32:08,103 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_disconnect [2023-04-02 08:32:08,103 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_tx_init [2023-04-02 08:32:08,104 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_rx_init [2023-04-02 08:32:08,104 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_write_data_sync [2023-04-02 08:32:08,104 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_read_data_sync [2023-04-02 08:32:08,104 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_host_to_card [2023-04-02 08:32:08,104 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_register_dev [2023-04-02 08:32:08,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-04-02 08:32:08,104 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_unregister_dev [2023-04-02 08:32:08,104 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_prog_fw_w_helper [2023-04-02 08:32:08,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-02 08:32:08,104 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_dnld_fw [2023-04-02 08:32:08,105 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_submit_rx_urb [2023-04-02 08:32:08,105 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_cmd_event_complete [2023-04-02 08:32:08,105 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_data_complete [2023-04-02 08:32:08,105 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_pm_wakeup_card [2023-04-02 08:32:08,105 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_init_module [2023-04-02 08:32:08,105 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_cleanup_module [2023-04-02 08:32:08,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-02 08:32:08,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-02 08:32:08,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_2 [2023-04-02 08:32:08,105 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 08:32:08,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2023-04-02 08:32:08,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2023-04-02 08:32:08,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2023-04-02 08:32:08,106 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-04-02 08:32:08,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2023-04-02 08:32:08,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2023-04-02 08:32:08,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2023-04-02 08:32:08,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2023-04-02 08:32:08,106 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-04-02 08:32:08,106 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 08:32:08,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 08:32:08,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 08:32:08,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-02 08:32:08,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 08:32:08,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-04-02 08:32:08,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-04-02 08:32:08,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-02 08:32:08,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-04-02 08:32:08,625 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 08:32:08,628 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 08:32:08,812 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-02 08:32:09,904 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2023-04-02 08:32:13,044 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 08:32:13,064 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 08:32:13,064 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-02 08:32:13,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 08:32:13 BoogieIcfgContainer [2023-04-02 08:32:13,068 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 08:32:13,070 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 08:32:13,070 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 08:32:13,073 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 08:32:13,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 08:32:05" (1/3) ... [2023-04-02 08:32:13,074 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@679b05e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 08:32:13, skipping insertion in model container [2023-04-02 08:32:13,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:32:07" (2/3) ... [2023-04-02 08:32:13,074 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@679b05e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 08:32:13, skipping insertion in model container [2023-04-02 08:32:13,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 08:32:13" (3/3) ... [2023-04-02 08:32:13,076 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i [2023-04-02 08:32:13,091 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 08:32:13,091 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 08:32:13,171 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 08:32:13,177 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;@3c7a41b0, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 08:32:13,177 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 08:32:13,187 INFO L276 IsEmpty]: Start isEmpty. Operand has 1292 states, 849 states have (on average 1.3015312131919905) internal successors, (1105), 881 states have internal predecessors, (1105), 313 states have call successors, (313), 125 states have call predecessors, (313), 123 states have return successors, (305), 296 states have call predecessors, (305), 305 states have call successors, (305) [2023-04-02 08:32:13,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-04-02 08:32:13,203 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:32:13,204 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 08:32:13,204 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:32:13,208 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:32:13,208 INFO L85 PathProgramCache]: Analyzing trace with hash -1994336950, now seen corresponding path program 1 times [2023-04-02 08:32:13,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:32:13,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196966588] [2023-04-02 08:32:13,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:32:13,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:32:13,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:14,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:32:14,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:14,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:32:14,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:14,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 08:32:14,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:14,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 08:32:14,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:14,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-04-02 08:32:14,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:14,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-04-02 08:32:14,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:14,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 08:32:14,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:14,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:32:14,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:14,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-02 08:32:14,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:14,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:32:14,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:14,308 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-04-02 08:32:14,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:32:14,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196966588] [2023-04-02 08:32:14,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196966588] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:32:14,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 08:32:14,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-02 08:32:14,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756695602] [2023-04-02 08:32:14,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:32:14,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-02 08:32:14,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:32:14,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-02 08:32:14,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-04-02 08:32:14,349 INFO L87 Difference]: Start difference. First operand has 1292 states, 849 states have (on average 1.3015312131919905) internal successors, (1105), 881 states have internal predecessors, (1105), 313 states have call successors, (313), 125 states have call predecessors, (313), 123 states have return successors, (305), 296 states have call predecessors, (305), 305 states have call successors, (305) Second operand has 8 states, 8 states have (on average 4.375) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (13), 7 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-02 08:32:18,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:32:20,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:32:22,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:32:24,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:32:26,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:32:42,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:32:42,456 INFO L93 Difference]: Finished difference Result 4419 states and 6253 transitions. [2023-04-02 08:32:42,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-04-02 08:32:42,458 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (13), 7 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 64 [2023-04-02 08:32:42,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:32:42,493 INFO L225 Difference]: With dead ends: 4419 [2023-04-02 08:32:42,494 INFO L226 Difference]: Without dead ends: 3127 [2023-04-02 08:32:42,508 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=127, Invalid=253, Unknown=0, NotChecked=0, Total=380 [2023-04-02 08:32:42,511 INFO L413 NwaCegarLoop]: 295 mSDtfsCounter, 5073 mSDsluCounter, 930 mSDsCounter, 0 mSdLazyCounter, 6617 mSolverCounterSat, 2956 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5346 SdHoareTripleChecker+Valid, 1225 SdHoareTripleChecker+Invalid, 9578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2956 IncrementalHoareTripleChecker+Valid, 6617 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.1s IncrementalHoareTripleChecker+Time [2023-04-02 08:32:42,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5346 Valid, 1225 Invalid, 9578 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2956 Valid, 6617 Invalid, 5 Unknown, 0 Unchecked, 26.1s Time] [2023-04-02 08:32:42,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3127 states. [2023-04-02 08:32:43,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3127 to 2370. [2023-04-02 08:32:43,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2370 states, 1574 states have (on average 1.2916137229987295) internal successors, (2033), 1611 states have internal predecessors, (2033), 572 states have call successors, (572), 226 states have call predecessors, (572), 223 states have return successors, (565), 547 states have call predecessors, (565), 565 states have call successors, (565) [2023-04-02 08:32:43,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2370 states to 2370 states and 3170 transitions. [2023-04-02 08:32:43,154 INFO L78 Accepts]: Start accepts. Automaton has 2370 states and 3170 transitions. Word has length 64 [2023-04-02 08:32:43,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:32:43,155 INFO L495 AbstractCegarLoop]: Abstraction has 2370 states and 3170 transitions. [2023-04-02 08:32:43,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (13), 7 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-02 08:32:43,156 INFO L276 IsEmpty]: Start isEmpty. Operand 2370 states and 3170 transitions. [2023-04-02 08:32:43,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-04-02 08:32:43,163 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:32:43,163 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:32:43,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 08:32:43,163 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:32:43,164 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:32:43,164 INFO L85 PathProgramCache]: Analyzing trace with hash 875020975, now seen corresponding path program 1 times [2023-04-02 08:32:43,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:32:43,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149582708] [2023-04-02 08:32:43,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:32:43,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:32:43,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:44,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:32:44,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:44,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:32:44,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:44,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 08:32:44,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:44,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 08:32:44,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:44,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-04-02 08:32:44,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:44,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-04-02 08:32:44,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:44,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-04-02 08:32:44,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:44,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:32:44,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:44,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 08:32:44,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:44,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:32:44,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:44,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 08:32:44,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:44,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:32:44,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:44,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:32:44,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:44,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:32:44,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:44,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 08:32:44,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:44,731 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-04-02 08:32:44,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:32:44,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149582708] [2023-04-02 08:32:44,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149582708] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:32:44,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 08:32:44,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-02 08:32:44,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814392148] [2023-04-02 08:32:44,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:32:44,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-02 08:32:44,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:32:44,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-02 08:32:44,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-04-02 08:32:44,735 INFO L87 Difference]: Start difference. First operand 2370 states and 3170 transitions. Second operand has 10 states, 10 states have (on average 5.2) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (18), 10 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-04-02 08:32:48,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:32:50,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:32:52,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:32:54,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:32:56,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:32:58,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:33:00,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:33:02,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:33:07,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:33:09,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:33:11,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:33:13,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:33:15,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:33:17,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:33:19,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:33:21,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:33:23,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:33:32,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:33:32,957 INFO L93 Difference]: Finished difference Result 8418 states and 11750 transitions. [2023-04-02 08:33:32,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-04-02 08:33:32,957 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (18), 10 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 94 [2023-04-02 08:33:32,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:33:32,992 INFO L225 Difference]: With dead ends: 8418 [2023-04-02 08:33:32,992 INFO L226 Difference]: Without dead ends: 6065 [2023-04-02 08:33:33,003 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=102, Invalid=204, Unknown=0, NotChecked=0, Total=306 [2023-04-02 08:33:33,004 INFO L413 NwaCegarLoop]: 837 mSDtfsCounter, 4706 mSDsluCounter, 1756 mSDsCounter, 0 mSdLazyCounter, 3610 mSolverCounterSat, 2985 mSolverCounterUnsat, 17 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4912 SdHoareTripleChecker+Valid, 2593 SdHoareTripleChecker+Invalid, 6612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2985 IncrementalHoareTripleChecker+Valid, 3610 IncrementalHoareTripleChecker+Invalid, 17 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.3s IncrementalHoareTripleChecker+Time [2023-04-02 08:33:33,006 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4912 Valid, 2593 Invalid, 6612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2985 Valid, 3610 Invalid, 17 Unknown, 0 Unchecked, 46.3s Time] [2023-04-02 08:33:33,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6065 states. [2023-04-02 08:33:34,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6065 to 4915. [2023-04-02 08:33:34,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4915 states, 3267 states have (on average 1.285583103764922) internal successors, (4200), 3357 states have internal predecessors, (4200), 1152 states have call successors, (1152), 448 states have call predecessors, (1152), 495 states have return successors, (1306), 1141 states have call predecessors, (1306), 1144 states have call successors, (1306) [2023-04-02 08:33:34,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4915 states to 4915 states and 6658 transitions. [2023-04-02 08:33:34,119 INFO L78 Accepts]: Start accepts. Automaton has 4915 states and 6658 transitions. Word has length 94 [2023-04-02 08:33:34,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:33:34,121 INFO L495 AbstractCegarLoop]: Abstraction has 4915 states and 6658 transitions. [2023-04-02 08:33:34,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (18), 10 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-04-02 08:33:34,121 INFO L276 IsEmpty]: Start isEmpty. Operand 4915 states and 6658 transitions. [2023-04-02 08:33:34,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-04-02 08:33:34,127 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:33:34,127 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:33:34,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-02 08:33:34,127 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:33:34,128 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:33:34,128 INFO L85 PathProgramCache]: Analyzing trace with hash 1355209056, now seen corresponding path program 1 times [2023-04-02 08:33:34,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:33:34,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796847284] [2023-04-02 08:33:34,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:33:34,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:33:34,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:34,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:33:34,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:35,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:33:35,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:35,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 08:33:35,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:35,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 08:33:35,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:35,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-04-02 08:33:35,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:35,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-04-02 08:33:35,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:35,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-04-02 08:33:35,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:35,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:33:35,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:35,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 08:33:35,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:35,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:33:35,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:35,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 08:33:35,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:35,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:33:35,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:35,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:33:35,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:35,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:33:35,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:35,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 08:33:35,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:35,378 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-04-02 08:33:35,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:33:35,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796847284] [2023-04-02 08:33:35,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796847284] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:33:35,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 08:33:35,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-02 08:33:35,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026421933] [2023-04-02 08:33:35,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:33:35,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-02 08:33:35,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:33:35,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-02 08:33:35,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-04-02 08:33:35,383 INFO L87 Difference]: Start difference. First operand 4915 states and 6658 transitions. Second operand has 10 states, 10 states have (on average 5.3) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (18), 10 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-04-02 08:33:39,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:33:41,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:33:43,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:33:45,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:33:47,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:33:49,397 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:33:51,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:33:53,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:34:05,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:34:07,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:34:09,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:34:11,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:34:13,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:34:15,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:34:17,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:34:19,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:34:21,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:34:29,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:34:29,387 INFO L93 Difference]: Finished difference Result 16869 states and 23899 transitions. [2023-04-02 08:34:29,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-04-02 08:34:29,388 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (18), 10 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 95 [2023-04-02 08:34:29,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:34:29,458 INFO L225 Difference]: With dead ends: 16869 [2023-04-02 08:34:29,458 INFO L226 Difference]: Without dead ends: 11971 [2023-04-02 08:34:29,483 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=102, Invalid=204, Unknown=0, NotChecked=0, Total=306 [2023-04-02 08:34:29,485 INFO L413 NwaCegarLoop]: 844 mSDtfsCounter, 3659 mSDsluCounter, 2632 mSDsCounter, 0 mSdLazyCounter, 6905 mSolverCounterSat, 2140 mSolverCounterUnsat, 17 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3881 SdHoareTripleChecker+Valid, 3476 SdHoareTripleChecker+Invalid, 9062 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2140 IncrementalHoareTripleChecker+Valid, 6905 IncrementalHoareTripleChecker+Invalid, 17 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50.9s IncrementalHoareTripleChecker+Time [2023-04-02 08:34:29,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3881 Valid, 3476 Invalid, 9062 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2140 Valid, 6905 Invalid, 17 Unknown, 0 Unchecked, 50.9s Time] [2023-04-02 08:34:29,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11971 states. [2023-04-02 08:34:31,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11971 to 9964. [2023-04-02 08:34:31,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9964 states, 6620 states have (on average 1.2809667673716012) internal successors, (8480), 6820 states have internal predecessors, (8480), 2312 states have call successors, (2312), 892 states have call predecessors, (2312), 1031 states have return successors, (2868), 2317 states have call predecessors, (2868), 2302 states have call successors, (2868) [2023-04-02 08:34:31,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9964 states to 9964 states and 13660 transitions. [2023-04-02 08:34:31,698 INFO L78 Accepts]: Start accepts. Automaton has 9964 states and 13660 transitions. Word has length 95 [2023-04-02 08:34:31,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:34:31,699 INFO L495 AbstractCegarLoop]: Abstraction has 9964 states and 13660 transitions. [2023-04-02 08:34:31,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (18), 10 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-04-02 08:34:31,699 INFO L276 IsEmpty]: Start isEmpty. Operand 9964 states and 13660 transitions. [2023-04-02 08:34:31,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-04-02 08:34:31,703 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:34:31,703 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:34:31,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-02 08:34:31,703 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:34:31,704 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:34:31,704 INFO L85 PathProgramCache]: Analyzing trace with hash -938824750, now seen corresponding path program 1 times [2023-04-02 08:34:31,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:34:31,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514605602] [2023-04-02 08:34:31,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:34:31,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:34:31,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:34:32,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:34:32,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:34:32,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:34:32,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:34:32,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 08:34:32,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:34:32,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 08:34:32,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:34:32,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-04-02 08:34:32,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:34:32,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-04-02 08:34:32,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:34:32,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-04-02 08:34:32,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:34:32,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:34:32,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:34:32,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 08:34:32,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:34:32,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:34:32,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:34:32,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 08:34:32,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:34:32,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:34:32,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:34:32,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:34:32,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:34:32,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:34:32,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:34:32,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 08:34:32,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:34:32,611 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-04-02 08:34:32,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:34:32,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514605602] [2023-04-02 08:34:32,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514605602] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:34:32,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 08:34:32,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-02 08:34:32,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245704702] [2023-04-02 08:34:32,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:34:32,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-02 08:34:32,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:34:32,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-02 08:34:32,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-04-02 08:34:32,614 INFO L87 Difference]: Start difference. First operand 9964 states and 13660 transitions. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (18), 10 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-04-02 08:34:36,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:34:38,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:34:40,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:34:42,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:34:44,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:34:46,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:34:48,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:34:50,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:34:59,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:35:01,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:35:03,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:35:05,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:35:07,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:35:09,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:35:11,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:35:13,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:35:15,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:35:22,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:35:22,834 INFO L93 Difference]: Finished difference Result 11969 states and 16826 transitions. [2023-04-02 08:35:22,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-04-02 08:35:22,835 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (18), 10 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 96 [2023-04-02 08:35:22,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:35:22,897 INFO L225 Difference]: With dead ends: 11969 [2023-04-02 08:35:22,897 INFO L226 Difference]: Without dead ends: 11966 [2023-04-02 08:35:22,906 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=102, Invalid=204, Unknown=0, NotChecked=0, Total=306 [2023-04-02 08:35:22,907 INFO L413 NwaCegarLoop]: 845 mSDtfsCounter, 6430 mSDsluCounter, 1933 mSDsCounter, 0 mSdLazyCounter, 4361 mSolverCounterSat, 4804 mSolverCounterUnsat, 17 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6654 SdHoareTripleChecker+Valid, 2778 SdHoareTripleChecker+Invalid, 9182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4804 IncrementalHoareTripleChecker+Valid, 4361 IncrementalHoareTripleChecker+Invalid, 17 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.3s IncrementalHoareTripleChecker+Time [2023-04-02 08:35:22,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6654 Valid, 2778 Invalid, 9182 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4804 Valid, 4361 Invalid, 17 Unknown, 0 Unchecked, 47.3s Time] [2023-04-02 08:35:22,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11966 states. [2023-04-02 08:35:24,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11966 to 9965. [2023-04-02 08:35:24,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9965 states, 6621 states have (on average 1.280924331671953) internal successors, (8481), 6821 states have internal predecessors, (8481), 2312 states have call successors, (2312), 892 states have call predecessors, (2312), 1031 states have return successors, (2868), 2317 states have call predecessors, (2868), 2302 states have call successors, (2868) [2023-04-02 08:35:24,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9965 states to 9965 states and 13661 transitions. [2023-04-02 08:35:24,717 INFO L78 Accepts]: Start accepts. Automaton has 9965 states and 13661 transitions. Word has length 96 [2023-04-02 08:35:24,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:35:24,718 INFO L495 AbstractCegarLoop]: Abstraction has 9965 states and 13661 transitions. [2023-04-02 08:35:24,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (18), 10 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-04-02 08:35:24,718 INFO L276 IsEmpty]: Start isEmpty. Operand 9965 states and 13661 transitions. [2023-04-02 08:35:24,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-04-02 08:35:24,722 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:35:24,722 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:35:24,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-02 08:35:24,722 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:35:24,728 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:35:24,728 INFO L85 PathProgramCache]: Analyzing trace with hash 960576163, now seen corresponding path program 1 times [2023-04-02 08:35:24,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:35:24,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953774831] [2023-04-02 08:35:24,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:35:24,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:35:24,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:35:25,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:35:25,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:35:25,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:35:25,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:35:25,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 08:35:25,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:35:25,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 08:35:25,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:35:25,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-04-02 08:35:25,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:35:25,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-04-02 08:35:25,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:35:25,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-04-02 08:35:25,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:35:25,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:35:25,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:35:25,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 08:35:25,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:35:25,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:35:25,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:35:25,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 08:35:25,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:35:25,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:35:25,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:35:25,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:35:25,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:35:25,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:35:25,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:35:25,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 08:35:25,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:35:25,528 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-04-02 08:35:25,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:35:25,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953774831] [2023-04-02 08:35:25,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953774831] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:35:25,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 08:35:25,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-02 08:35:25,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605439938] [2023-04-02 08:35:25,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:35:25,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-02 08:35:25,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:35:25,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-02 08:35:25,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-04-02 08:35:25,530 INFO L87 Difference]: Start difference. First operand 9965 states and 13661 transitions. Second operand has 10 states, 10 states have (on average 5.5) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (18), 10 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-04-02 08:35:29,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:35:31,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:35:33,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:35:35,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:35:37,063 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:35:39,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:35:41,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:35:43,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:35:54,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:35:54,377 INFO L93 Difference]: Finished difference Result 11965 states and 16822 transitions. [2023-04-02 08:35:54,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-04-02 08:35:54,377 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.5) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (18), 10 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 97 [2023-04-02 08:35:54,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:35:54,423 INFO L225 Difference]: With dead ends: 11965 [2023-04-02 08:35:54,423 INFO L226 Difference]: Without dead ends: 11962 [2023-04-02 08:35:54,431 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2023-04-02 08:35:54,431 INFO L413 NwaCegarLoop]: 741 mSDtfsCounter, 4144 mSDsluCounter, 1310 mSDsCounter, 0 mSdLazyCounter, 4622 mSolverCounterSat, 2690 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4347 SdHoareTripleChecker+Valid, 2051 SdHoareTripleChecker+Invalid, 7320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2690 IncrementalHoareTripleChecker+Valid, 4622 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.2s IncrementalHoareTripleChecker+Time [2023-04-02 08:35:54,432 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4347 Valid, 2051 Invalid, 7320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2690 Valid, 4622 Invalid, 8 Unknown, 0 Unchecked, 26.2s Time] [2023-04-02 08:35:54,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11962 states. [2023-04-02 08:35:56,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11962 to 9964. [2023-04-02 08:35:56,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9964 states, 6621 states have (on average 1.2807732970850325) internal successors, (8480), 6820 states have internal predecessors, (8480), 2311 states have call successors, (2311), 892 states have call predecessors, (2311), 1031 states have return successors, (2868), 2317 states have call predecessors, (2868), 2302 states have call successors, (2868) [2023-04-02 08:35:56,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9964 states to 9964 states and 13659 transitions. [2023-04-02 08:35:56,321 INFO L78 Accepts]: Start accepts. Automaton has 9964 states and 13659 transitions. Word has length 97 [2023-04-02 08:35:56,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:35:56,321 INFO L495 AbstractCegarLoop]: Abstraction has 9964 states and 13659 transitions. [2023-04-02 08:35:56,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.5) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (18), 10 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-04-02 08:35:56,322 INFO L276 IsEmpty]: Start isEmpty. Operand 9964 states and 13659 transitions. [2023-04-02 08:35:56,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-04-02 08:35:56,326 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:35:56,326 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:35:56,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-02 08:35:56,327 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:35:56,327 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:35:56,327 INFO L85 PathProgramCache]: Analyzing trace with hash -287532811, now seen corresponding path program 1 times [2023-04-02 08:35:56,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:35:56,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526105050] [2023-04-02 08:35:56,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:35:56,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:35:56,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:35:56,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:35:56,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:35:56,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:35:56,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:35:56,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 08:35:56,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:35:56,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 08:35:56,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:35:56,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-04-02 08:35:56,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:35:56,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-04-02 08:35:56,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:35:56,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-04-02 08:35:56,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:35:57,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:35:57,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:35:57,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 08:35:57,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:35:57,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:35:57,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:35:57,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 08:35:57,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:35:57,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:35:57,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:35:57,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:35:57,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:35:57,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:35:57,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:35:57,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 08:35:57,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:35:57,169 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-04-02 08:35:57,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:35:57,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526105050] [2023-04-02 08:35:57,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526105050] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:35:57,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 08:35:57,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-02 08:35:57,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663817531] [2023-04-02 08:35:57,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:35:57,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-02 08:35:57,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:35:57,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-02 08:35:57,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-04-02 08:35:57,171 INFO L87 Difference]: Start difference. First operand 9964 states and 13659 transitions. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (18), 10 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-04-02 08:36:00,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:36:02,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:36:04,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:36:06,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:36:09,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:36:11,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:36:13,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []