/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-validator-v0.8/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point_ldv-val-v0.8.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 09:00:38,966 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 09:00:38,969 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 09:00:39,007 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 09:00:39,007 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 09:00:39,010 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 09:00:39,014 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 09:00:39,017 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 09:00:39,019 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 09:00:39,024 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 09:00:39,025 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 09:00:39,027 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 09:00:39,027 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 09:00:39,029 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 09:00:39,030 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 09:00:39,031 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 09:00:39,032 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 09:00:39,033 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 09:00:39,034 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 09:00:39,039 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 09:00:39,040 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 09:00:39,041 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 09:00:39,042 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 09:00:39,043 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 09:00:39,046 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 09:00:39,046 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 09:00:39,046 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 09:00:39,047 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 09:00:39,047 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 09:00:39,048 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 09:00:39,048 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 09:00:39,049 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 09:00:39,049 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 09:00:39,050 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 09:00:39,050 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 09:00:39,051 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 09:00:39,051 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 09:00:39,051 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 09:00:39,051 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 09:00:39,052 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 09:00:39,052 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 09:00:39,054 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 09:00:39,082 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 09:00:39,082 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 09:00:39,082 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 09:00:39,083 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 09:00:39,083 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 09:00:39,083 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 09:00:39,084 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 09:00:39,084 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 09:00:39,084 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 09:00:39,084 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 09:00:39,085 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 09:00:39,085 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 09:00:39,085 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 09:00:39,085 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 09:00:39,085 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 09:00:39,085 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 09:00:39,085 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 09:00:39,086 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 09:00:39,086 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 09:00:39,086 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 09:00:39,086 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 09:00:39,086 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 09:00:39,086 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 09:00:39,087 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 09:00:39,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 09:00:39,087 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 09:00:39,087 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 09:00:39,087 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 09:00:39,087 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 09:00:39,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 09:00:39,088 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 09:00:39,088 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 09:00:39,088 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 09:00:39,088 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 09:00:39,088 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 09:00:39,088 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 09:00:39,321 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 09:00:39,339 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 09:00:39,341 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 09:00:39,342 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 09:00:39,343 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 09:00:39,344 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point_ldv-val-v0.8.cil.out.i [2023-04-02 09:00:40,573 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 09:00:41,011 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 09:00:41,012 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point_ldv-val-v0.8.cil.out.i [2023-04-02 09:00:41,046 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a33b652df/0a0fa7a086f7425d82c8b67c05920654/FLAG13b1fad36 [2023-04-02 09:00:41,059 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a33b652df/0a0fa7a086f7425d82c8b67c05920654 [2023-04-02 09:00:41,061 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 09:00:41,062 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 09:00:41,063 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 09:00:41,064 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 09:00:41,070 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 09:00:41,071 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 09:00:41" (1/1) ... [2023-04-02 09:00:41,072 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@183e9673 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:00:41, skipping insertion in model container [2023-04-02 09:00:41,072 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 09:00:41" (1/1) ... [2023-04-02 09:00:41,078 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 09:00:41,175 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 09:00:42,320 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-validator-v0.8/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point_ldv-val-v0.8.cil.out.i[158797,158810] [2023-04-02 09:00:42,354 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 09:00:42,396 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 09:00:42,569 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-validator-v0.8/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point_ldv-val-v0.8.cil.out.i[158797,158810] [2023-04-02 09:00:42,581 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 09:00:42,634 WARN L667 CHandler]: The function strrchr is called, but not defined or handled by StandardFunctionHandler. [2023-04-02 09:00:42,634 WARN L667 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-04-02 09:00:42,640 INFO L208 MainTranslator]: Completed translation [2023-04-02 09:00:42,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:00:42 WrapperNode [2023-04-02 09:00:42,640 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 09:00:42,642 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 09:00:42,642 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 09:00:42,642 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 09:00:42,652 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:00:42" (1/1) ... [2023-04-02 09:00:42,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:00:42" (1/1) ... [2023-04-02 09:00:42,713 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:00:42" (1/1) ... [2023-04-02 09:00:42,713 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:00:42" (1/1) ... [2023-04-02 09:00:42,818 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:00:42" (1/1) ... [2023-04-02 09:00:42,864 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:00:42" (1/1) ... [2023-04-02 09:00:42,891 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:00:42" (1/1) ... [2023-04-02 09:00:42,916 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:00:42" (1/1) ... [2023-04-02 09:00:42,942 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 09:00:42,943 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 09:00:42,944 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 09:00:42,944 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 09:00:42,944 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:00:42" (1/1) ... [2023-04-02 09:00:42,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 09:00:42,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 09:00:42,978 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 09:00:42,989 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 09:00:43,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 09:00:43,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 09:00:43,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2023-04-02 09:00:43,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-04-02 09:00:43,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-04-02 09:00:43,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~gfp_t~0~TO~$Pointer$ [2023-04-02 09:00:43,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-04-02 09:00:43,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~gfp_t~0~TO~int [2023-04-02 09:00:43,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2023-04-02 09:00:43,020 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 09:00:43,020 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2023-04-02 09:00:43,021 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-04-02 09:00:43,021 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2023-04-02 09:00:43,021 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-04-02 09:00:43,021 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-04-02 09:00:43,021 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-04-02 09:00:43,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del [2023-04-02 09:00:43,021 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2023-04-02 09:00:43,021 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-04-02 09:00:43,021 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-02 09:00:43,021 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-04-02 09:00:43,021 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-04-02 09:00:43,021 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-04-02 09:00:43,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-04-02 09:00:43,022 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-04-02 09:00:43,022 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-02 09:00:43,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-02 09:00:43,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-02 09:00:43,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-04-02 09:00:43,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-04-02 09:00:43,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-02 09:00:43,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-02 09:00:43,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-02 09:00:43,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-02 09:00:43,022 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2023-04-02 09:00:43,022 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2023-04-02 09:00:43,022 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-04-02 09:00:43,023 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-04-02 09:00:43,023 INFO L138 BoogieDeclarations]: Found implementation of procedure init_utsname [2023-04-02 09:00:43,023 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2023-04-02 09:00:43,023 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2023-04-02 09:00:43,023 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_enable [2023-04-02 09:00:43,023 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_disable [2023-04-02 09:00:43,023 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_alloc_request [2023-04-02 09:00:43,024 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_free_request [2023-04-02 09:00:43,024 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_queue [2023-04-02 09:00:43,024 INFO L138 BoogieDeclarations]: Found implementation of procedure set_gadget_data [2023-04-02 09:00:43,024 INFO L138 BoogieDeclarations]: Found implementation of procedure get_gadget_data [2023-04-02 09:00:43,024 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_set_selfpowered [2023-04-02 09:00:43,024 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_vbus_draw [2023-04-02 09:00:43,024 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_controller_number [2023-04-02 09:00:43,025 INFO L138 BoogieDeclarations]: Found implementation of procedure utf8_to_utf16le [2023-04-02 09:00:43,025 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_get_string [2023-04-02 09:00:43,025 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_descriptor_fillbuf [2023-04-02 09:00:43,025 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_config_buf [2023-04-02 09:00:43,026 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_copy_descriptors [2023-04-02 09:00:43,026 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_find_endpoint [2023-04-02 09:00:43,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_matches [2023-04-02 09:00:43,026 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_autoconfig [2023-04-02 09:00:43,026 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_autoconfig_reset [2023-04-02 09:00:43,026 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_req_alloc [2023-04-02 09:00:43,027 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_req_free [2023-04-02 09:00:43,027 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_complete [2023-04-02 09:00:43,027 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_complete [2023-04-02 09:00:43,027 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_open [2023-04-02 09:00:43,027 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_close [2023-04-02 09:00:43,027 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rx_reqs [2023-04-02 09:00:43,027 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_read [2023-04-02 09:00:43,027 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_write [2023-04-02 09:00:43,027 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_fsync [2023-04-02 09:00:43,027 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_poll [2023-04-02 09:00:43,027 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_ioctl [2023-04-02 09:00:43,027 INFO L138 BoogieDeclarations]: Found implementation of procedure set_printer_interface [2023-04-02 09:00:43,027 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_reset_interface [2023-04-02 09:00:43,027 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_set_config [2023-04-02 09:00:43,028 INFO L138 BoogieDeclarations]: Found implementation of procedure config_buf [2023-04-02 09:00:43,028 INFO L138 BoogieDeclarations]: Found implementation of procedure set_interface [2023-04-02 09:00:43,028 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_setup_complete [2023-04-02 09:00:43,028 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_soft_reset [2023-04-02 09:00:43,028 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_setup [2023-04-02 09:00:43,028 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_disconnect [2023-04-02 09:00:43,028 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_unbind [2023-04-02 09:00:43,029 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_bind [2023-04-02 09:00:43,029 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2023-04-02 09:00:43,029 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-02 09:00:43,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_gadget_driver_1 [2023-04-02 09:00:43,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_2 [2023-04-02 09:00:43,030 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 09:00:43,030 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-04-02 09:00:43,030 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-04-02 09:00:43,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cdev_del_7 [2023-04-02 09:00:43,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cdev_init_8 [2023-04-02 09:00:43,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_chrdev_region_9 [2023-04-02 09:00:43,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_class_destroy_10 [2023-04-02 09:00:43,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_gadget_register_driver_11 [2023-04-02 09:00:43,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_class_destroy_12 [2023-04-02 09:00:43,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_region_13 [2023-04-02 09:00:43,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_class_destroy_14 [2023-04-02 09:00:43,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_region_15 [2023-04-02 09:00:43,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_gadget_unregister_driver_16 [2023-04-02 09:00:43,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-04-02 09:00:43,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2023-04-02 09:00:43,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-04-02 09:00:43,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2023-04-02 09:00:43,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2023-04-02 09:00:43,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2023-04-02 09:00:43,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_create_class [2023-04-02 09:00:43,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_class [2023-04-02 09:00:43,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_class [2023-04-02 09:00:43,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_chrdev [2023-04-02 09:00:43,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_chrdev_region [2023-04-02 09:00:43,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_region [2023-04-02 09:00:43,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_usb_gadget [2023-04-02 09:00:43,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_usb_gadget [2023-04-02 09:00:43,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-02 09:00:43,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-04-02 09:00:43,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-04-02 09:00:43,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-04-02 09:00:43,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-04-02 09:00:43,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-04-02 09:00:43,033 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-04-02 09:00:43,034 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-04-02 09:00:43,035 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2023-04-02 09:00:43,035 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-04-02 09:00:43,035 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2023-04-02 09:00:43,035 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2023-04-02 09:00:43,036 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_chrdev_region [2023-04-02 09:00:43,038 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2023-04-02 09:00:43,043 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2023-04-02 09:00:43,043 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_init [2023-04-02 09:00:43,044 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2023-04-02 09:00:43,044 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-04-02 09:00:43,044 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-04-02 09:00:43,044 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-04-02 09:00:43,044 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-04-02 09:00:43,044 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create [2023-04-02 09:00:43,044 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2023-04-02 09:00:43,044 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2023-04-02 09:00:43,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-02 09:00:43,044 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-04-02 09:00:43,044 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-04-02 09:00:43,044 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-04-02 09:00:43,044 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-04-02 09:00:43,045 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2023-04-02 09:00:43,045 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-02 09:00:43,045 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2023-04-02 09:00:43,045 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2023-04-02 09:00:43,045 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-04-02 09:00:43,045 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2023-04-02 09:00:43,045 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_register_driver [2023-04-02 09:00:43,045 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_unregister_driver [2023-04-02 09:00:43,045 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2023-04-02 09:00:43,045 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-04-02 09:00:43,045 INFO L138 BoogieDeclarations]: Found implementation of procedure autoremove_wake_function [2023-04-02 09:00:43,045 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-02 09:00:43,045 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-02 09:00:43,045 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-02 09:00:43,045 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-04-02 09:00:43,045 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 09:00:43,046 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 09:00:43,046 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-02 09:00:43,046 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-02 09:00:43,046 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 09:00:43,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 09:00:43,046 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_prefetch [2023-04-02 09:00:43,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-02 09:00:43,046 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2023-04-02 09:00:43,046 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2023-04-02 09:00:43,046 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-04-02 09:00:43,046 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-04-02 09:00:43,046 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2023-04-02 09:00:43,046 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2023-04-02 09:00:43,046 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-02 09:00:43,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-04-02 09:00:43,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2023-04-02 09:00:43,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_create_class [2023-04-02 09:00:43,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_class [2023-04-02 09:00:43,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_chrdev_region [2023-04-02 09:00:43,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_region [2023-04-02 09:00:43,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_usb_gadget [2023-04-02 09:00:43,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_usb_gadget [2023-04-02 09:00:43,047 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-04-02 09:00:43,047 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-04-02 09:00:43,047 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-02 09:00:43,047 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2023-04-02 09:00:43,048 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2023-04-02 09:00:43,048 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-04-02 09:00:43,048 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2023-04-02 09:00:43,048 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-04-02 09:00:43,048 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-04-02 09:00:43,048 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2023-04-02 09:00:43,048 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-04-02 09:00:43,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 09:00:43,048 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-04-02 09:00:43,048 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-04-02 09:00:43,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 09:00:43,048 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-04-02 09:00:43,048 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del [2023-04-02 09:00:43,048 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-04-02 09:00:43,048 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2023-04-02 09:00:43,048 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-04-02 09:00:43,048 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-04-02 09:00:43,049 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2023-04-02 09:00:43,049 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-04-02 09:00:43,049 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2023-04-02 09:00:43,049 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2023-04-02 09:00:43,049 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-02 09:00:43,049 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-04-02 09:00:43,049 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-04-02 09:00:43,049 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-04-02 09:00:43,049 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-04-02 09:00:43,049 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-04-02 09:00:43,049 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2023-04-02 09:00:43,049 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2023-04-02 09:00:43,049 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2023-04-02 09:00:43,049 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-04-02 09:00:43,049 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-04-02 09:00:43,049 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-04-02 09:00:43,050 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-02 09:00:43,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-02 09:00:43,050 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-04-02 09:00:43,050 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-04-02 09:00:43,050 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 09:00:43,050 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-02 09:00:43,050 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 09:00:43,050 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-02 09:00:43,050 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-02 09:00:43,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 09:00:43,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-02 09:00:43,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-02 09:00:43,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-04-02 09:00:43,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-04-02 09:00:43,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-02 09:00:43,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-02 09:00:43,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-02 09:00:43,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-02 09:00:43,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_gadget_driver_1 [2023-04-02 09:00:43,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_2 [2023-04-02 09:00:43,051 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2023-04-02 09:00:43,051 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2023-04-02 09:00:43,051 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2023-04-02 09:00:43,051 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-04-02 09:00:43,051 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-04-02 09:00:43,051 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-04-02 09:00:43,051 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-04-02 09:00:43,051 INFO L130 BoogieDeclarations]: Found specification of procedure init_utsname [2023-04-02 09:00:43,051 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2023-04-02 09:00:43,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_class_destroy_10 [2023-04-02 09:00:43,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_class_destroy_12 [2023-04-02 09:00:43,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_class_destroy_14 [2023-04-02 09:00:43,051 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-04-02 09:00:43,051 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-04-02 09:00:43,052 INFO L130 BoogieDeclarations]: Found specification of procedure device_create [2023-04-02 09:00:43,052 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2023-04-02 09:00:43,055 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-04-02 09:00:43,056 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-04-02 09:00:43,056 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_chrdev_region [2023-04-02 09:00:43,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_chrdev_region_9 [2023-04-02 09:00:43,056 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2023-04-02 09:00:43,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_region_13 [2023-04-02 09:00:43,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_region_15 [2023-04-02 09:00:43,057 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2023-04-02 09:00:43,057 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2023-04-02 09:00:43,057 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_init [2023-04-02 09:00:43,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cdev_init_8 [2023-04-02 09:00:43,057 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2023-04-02 09:00:43,057 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2023-04-02 09:00:43,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cdev_del_7 [2023-04-02 09:00:43,057 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2023-04-02 09:00:43,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 09:00:43,057 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_enable [2023-04-02 09:00:43,057 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-04-02 09:00:43,058 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_disable [2023-04-02 09:00:43,058 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-04-02 09:00:43,058 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_alloc_request [2023-04-02 09:00:43,058 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~gfp_t~0~TO~$Pointer$ [2023-04-02 09:00:43,058 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_free_request [2023-04-02 09:00:43,058 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-04-02 09:00:43,058 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_queue [2023-04-02 09:00:43,058 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~gfp_t~0~TO~int [2023-04-02 09:00:43,058 INFO L130 BoogieDeclarations]: Found specification of procedure set_gadget_data [2023-04-02 09:00:43,058 INFO L130 BoogieDeclarations]: Found specification of procedure get_gadget_data [2023-04-02 09:00:43,058 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_set_selfpowered [2023-04-02 09:00:43,058 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2023-04-02 09:00:43,058 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_vbus_draw [2023-04-02 09:00:43,058 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_register_driver [2023-04-02 09:00:43,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_gadget_register_driver_11 [2023-04-02 09:00:43,058 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_unregister_driver [2023-04-02 09:00:43,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_gadget_unregister_driver_16 [2023-04-02 09:00:43,059 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_get_string [2023-04-02 09:00:43,059 INFO L130 BoogieDeclarations]: Found specification of procedure usb_descriptor_fillbuf [2023-04-02 09:00:43,059 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_config_buf [2023-04-02 09:00:43,059 INFO L130 BoogieDeclarations]: Found specification of procedure usb_copy_descriptors [2023-04-02 09:00:43,059 INFO L130 BoogieDeclarations]: Found specification of procedure usb_find_endpoint [2023-04-02 09:00:43,059 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_autoconfig [2023-04-02 09:00:43,059 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_autoconfig_reset [2023-04-02 09:00:43,059 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_controller_number [2023-04-02 09:00:43,059 INFO L130 BoogieDeclarations]: Found specification of procedure utf8_to_utf16le [2023-04-02 09:00:43,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 09:00:43,059 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-04-02 09:00:43,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-04-02 09:00:43,059 INFO L130 BoogieDeclarations]: Found specification of procedure ep_matches [2023-04-02 09:00:43,059 INFO L130 BoogieDeclarations]: Found specification of procedure printer_req_alloc [2023-04-02 09:00:43,059 INFO L130 BoogieDeclarations]: Found specification of procedure printer_req_free [2023-04-02 09:00:43,059 INFO L130 BoogieDeclarations]: Found specification of procedure rx_complete [2023-04-02 09:00:43,059 INFO L130 BoogieDeclarations]: Found specification of procedure tx_complete [2023-04-02 09:00:43,059 INFO L130 BoogieDeclarations]: Found specification of procedure printer_open [2023-04-02 09:00:43,060 INFO L130 BoogieDeclarations]: Found specification of procedure printer_close [2023-04-02 09:00:43,060 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rx_reqs [2023-04-02 09:00:43,060 INFO L130 BoogieDeclarations]: Found specification of procedure printer_read [2023-04-02 09:00:43,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-02 09:00:43,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 09:00:43,060 INFO L130 BoogieDeclarations]: Found specification of procedure printer_write [2023-04-02 09:00:43,060 INFO L130 BoogieDeclarations]: Found specification of procedure printer_fsync [2023-04-02 09:00:43,060 INFO L130 BoogieDeclarations]: Found specification of procedure printer_poll [2023-04-02 09:00:43,060 INFO L130 BoogieDeclarations]: Found specification of procedure printer_ioctl [2023-04-02 09:00:43,060 INFO L130 BoogieDeclarations]: Found specification of procedure set_printer_interface [2023-04-02 09:00:43,060 INFO L130 BoogieDeclarations]: Found specification of procedure printer_reset_interface [2023-04-02 09:00:43,060 INFO L130 BoogieDeclarations]: Found specification of procedure printer_set_config [2023-04-02 09:00:43,060 INFO L130 BoogieDeclarations]: Found specification of procedure config_buf [2023-04-02 09:00:43,060 INFO L130 BoogieDeclarations]: Found specification of procedure set_interface [2023-04-02 09:00:43,060 INFO L130 BoogieDeclarations]: Found specification of procedure printer_setup_complete [2023-04-02 09:00:43,060 INFO L130 BoogieDeclarations]: Found specification of procedure printer_soft_reset [2023-04-02 09:00:43,060 INFO L130 BoogieDeclarations]: Found specification of procedure printer_setup [2023-04-02 09:00:43,060 INFO L130 BoogieDeclarations]: Found specification of procedure printer_disconnect [2023-04-02 09:00:43,061 INFO L130 BoogieDeclarations]: Found specification of procedure printer_unbind [2023-04-02 09:00:43,061 INFO L130 BoogieDeclarations]: Found specification of procedure printer_bind [2023-04-02 09:00:43,061 INFO L130 BoogieDeclarations]: Found specification of procedure init [2023-04-02 09:00:43,061 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-02 09:00:43,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-02 09:00:43,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-02 09:00:43,061 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 09:00:43,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-04-02 09:00:43,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2023-04-02 09:00:43,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2023-04-02 09:00:43,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2023-04-02 09:00:43,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_class [2023-04-02 09:00:43,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_chrdev [2023-04-02 09:00:43,061 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 09:00:43,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 09:00:43,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 09:00:43,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-02 09:00:43,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-04-02 09:00:43,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-02 09:00:43,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 09:00:43,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-04-02 09:00:43,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-04-02 09:00:43,694 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 09:00:43,698 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 09:00:44,040 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-02 09:01:00,416 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 09:01:00,437 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 09:01:00,438 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-02 09:01:00,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 09:01:00 BoogieIcfgContainer [2023-04-02 09:01:00,442 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 09:01:00,446 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 09:01:00,446 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 09:01:00,449 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 09:01:00,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 09:00:41" (1/3) ... [2023-04-02 09:01:00,449 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cc17ab3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 09:01:00, skipping insertion in model container [2023-04-02 09:01:00,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:00:42" (2/3) ... [2023-04-02 09:01:00,450 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cc17ab3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 09:01:00, skipping insertion in model container [2023-04-02 09:01:00,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 09:01:00" (3/3) ... [2023-04-02 09:01:00,452 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point_ldv-val-v0.8.cil.out.i [2023-04-02 09:01:00,467 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 09:01:00,467 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 09:01:00,556 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 09:01:00,563 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;@22d4e317, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 09:01:00,564 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 09:01:00,575 INFO L276 IsEmpty]: Start isEmpty. Operand has 1686 states, 1082 states have (on average 1.3290203327171903) internal successors, (1438), 1133 states have internal predecessors, (1438), 451 states have call successors, (451), 147 states have call predecessors, (451), 146 states have return successors, (445), 440 states have call predecessors, (445), 445 states have call successors, (445) [2023-04-02 09:01:00,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-04-02 09:01:00,603 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 09:01:00,604 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:01:00,604 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 09:01:00,609 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 09:01:00,609 INFO L85 PathProgramCache]: Analyzing trace with hash 376852100, now seen corresponding path program 1 times [2023-04-02 09:01:00,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 09:01:00,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794817491] [2023-04-02 09:01:00,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 09:01:00,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 09:01:01,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:01:01,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 09:01:02,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:01:02,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:01:02,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:01:02,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:01:02,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:01:02,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:01:02,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:01:02,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 09:01:02,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:01:02,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:01:02,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:01:02,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:01:02,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:01:02,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 09:01:02,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:01:02,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:01:02,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:01:02,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:01:02,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:01:02,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 09:01:02,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:01:02,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:01:02,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:01:02,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:01:02,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:01:02,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 09:01:02,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:01:02,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:01:02,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:01:02,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:01:02,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:01:02,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-04-02 09:01:02,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:01:02,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:01:02,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:01:02,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:01:02,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:01:02,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-04-02 09:01:02,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:01:02,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-04-02 09:01:02,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:01:02,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:01:02,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:01:02,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-04-02 09:01:02,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:01:02,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:01:02,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:01:02,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-04-02 09:01:02,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:01:02,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:01:02,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:01:02,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-04-02 09:01:02,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:01:02,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:01:02,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:01:02,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-04-02 09:01:02,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:01:02,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:01:02,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:01:02,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-04-02 09:01:02,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:01:02,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-04-02 09:01:02,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:01:02,610 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2023-04-02 09:01:02,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 09:01:02,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794817491] [2023-04-02 09:01:02,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794817491] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 09:01:02,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 09:01:02,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-02 09:01:02,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339548543] [2023-04-02 09:01:02,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 09:01:02,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-02 09:01:02,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 09:01:02,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-02 09:01:02,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-04-02 09:01:02,655 INFO L87 Difference]: Start difference. First operand has 1686 states, 1082 states have (on average 1.3290203327171903) internal successors, (1438), 1133 states have internal predecessors, (1438), 451 states have call successors, (451), 147 states have call predecessors, (451), 146 states have return successors, (445), 440 states have call predecessors, (445), 445 states have call successors, (445) Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-04-02 09:01:05,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 09:01:07,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 09:01:09,373 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 09:01:11,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 09:01:13,447 WARN L539 Checker$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 09:01:35,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 09:01:35,432 INFO L93 Difference]: Finished difference Result 3658 states and 5239 transitions. [2023-04-02 09:01:35,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-02 09:01:35,434 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 182 [2023-04-02 09:01:35,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 09:01:35,459 INFO L225 Difference]: With dead ends: 3658 [2023-04-02 09:01:35,460 INFO L226 Difference]: Without dead ends: 2013 [2023-04-02 09:01:35,480 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2023-04-02 09:01:35,483 INFO L413 NwaCegarLoop]: 1142 mSDtfsCounter, 1652 mSDsluCounter, 1290 mSDsCounter, 0 mSdLazyCounter, 3522 mSolverCounterSat, 1427 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1706 SdHoareTripleChecker+Valid, 2432 SdHoareTripleChecker+Invalid, 4954 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1427 IncrementalHoareTripleChecker+Valid, 3522 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.2s IncrementalHoareTripleChecker+Time [2023-04-02 09:01:35,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1706 Valid, 2432 Invalid, 4954 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1427 Valid, 3522 Invalid, 5 Unknown, 0 Unchecked, 31.2s Time] [2023-04-02 09:01:35,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2013 states. [2023-04-02 09:01:35,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2013 to 1624. [2023-04-02 09:01:35,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1624 states, 1044 states have (on average 1.3160919540229885) internal successors, (1374), 1083 states have internal predecessors, (1374), 436 states have call successors, (436), 146 states have call predecessors, (436), 143 states have return successors, (421), 416 states have call predecessors, (421), 421 states have call successors, (421) [2023-04-02 09:01:35,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1624 states to 1624 states and 2231 transitions. [2023-04-02 09:01:35,969 INFO L78 Accepts]: Start accepts. Automaton has 1624 states and 2231 transitions. Word has length 182 [2023-04-02 09:01:35,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 09:01:35,969 INFO L495 AbstractCegarLoop]: Abstraction has 1624 states and 2231 transitions. [2023-04-02 09:01:35,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-04-02 09:01:35,970 INFO L276 IsEmpty]: Start isEmpty. Operand 1624 states and 2231 transitions. [2023-04-02 09:01:35,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-04-02 09:01:35,973 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 09:01:35,973 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:01:35,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 09:01:35,974 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 09:01:35,974 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 09:01:35,974 INFO L85 PathProgramCache]: Analyzing trace with hash -2087181936, now seen corresponding path program 1 times [2023-04-02 09:01:35,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 09:01:35,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932349905] [2023-04-02 09:01:35,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 09:01:35,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 09:01:36,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:01:37,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 09:01:37,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:01:37,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:01:37,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:01:37,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:01:37,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:01:37,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:01:37,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:01:37,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 09:01:37,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:01:37,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:01:37,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:01:37,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:01:37,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:01:37,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 09:01:37,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:01:37,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:01:37,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:01:37,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:01:37,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:01:37,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 09:01:37,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:01:37,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:01:37,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:01:37,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:01:37,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:01:37,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 09:01:37,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:01:37,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:01:37,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:01:37,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:01:37,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:01:37,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-04-02 09:01:37,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:01:37,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:01:37,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:01:37,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:01:37,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:01:37,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-04-02 09:01:37,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:01:37,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-04-02 09:01:37,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:01:37,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:01:37,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:01:37,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-04-02 09:01:37,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:01:37,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:01:37,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:01:37,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-04-02 09:01:37,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:01:37,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:01:37,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:01:37,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-04-02 09:01:37,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:01:37,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:01:37,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:01:37,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-04-02 09:01:37,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:01:37,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:01:37,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:01:37,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-04-02 09:01:37,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:01:37,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-04-02 09:01:37,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:01:37,583 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2023-04-02 09:01:37,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 09:01:37,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932349905] [2023-04-02 09:01:37,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932349905] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 09:01:37,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 09:01:37,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-02 09:01:37,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596220178] [2023-04-02 09:01:37,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 09:01:37,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-02 09:01:37,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 09:01:37,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-02 09:01:37,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-04-02 09:01:37,588 INFO L87 Difference]: Start difference. First operand 1624 states and 2231 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-04-02 09:01:40,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 09:01:42,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 09:01:44,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 09:01:46,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 09:01:48,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 09:01:50,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 09:02:15,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 09:02:15,871 INFO L93 Difference]: Finished difference Result 5344 states and 7524 transitions. [2023-04-02 09:02:15,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-04-02 09:02:15,872 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 182 [2023-04-02 09:02:15,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 09:02:15,893 INFO L225 Difference]: With dead ends: 5344 [2023-04-02 09:02:15,893 INFO L226 Difference]: Without dead ends: 3756 [2023-04-02 09:02:15,899 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2023-04-02 09:02:15,900 INFO L413 NwaCegarLoop]: 932 mSDtfsCounter, 5081 mSDsluCounter, 2167 mSDsCounter, 0 mSdLazyCounter, 3878 mSolverCounterSat, 3162 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5351 SdHoareTripleChecker+Valid, 3099 SdHoareTripleChecker+Invalid, 7046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3162 IncrementalHoareTripleChecker+Valid, 3878 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.0s IncrementalHoareTripleChecker+Time [2023-04-02 09:02:15,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5351 Valid, 3099 Invalid, 7046 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3162 Valid, 3878 Invalid, 6 Unknown, 0 Unchecked, 35.0s Time] [2023-04-02 09:02:15,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3756 states. [2023-04-02 09:02:16,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3756 to 3032. [2023-04-02 09:02:16,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3032 states, 1969 states have (on average 1.325038090401219) internal successors, (2609), 2034 states have internal predecessors, (2609), 801 states have call successors, (801), 264 states have call predecessors, (801), 261 states have return successors, (786), 776 states have call predecessors, (786), 786 states have call successors, (786) [2023-04-02 09:02:16,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3032 states to 3032 states and 4196 transitions. [2023-04-02 09:02:16,699 INFO L78 Accepts]: Start accepts. Automaton has 3032 states and 4196 transitions. Word has length 182 [2023-04-02 09:02:16,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 09:02:16,701 INFO L495 AbstractCegarLoop]: Abstraction has 3032 states and 4196 transitions. [2023-04-02 09:02:16,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-04-02 09:02:16,701 INFO L276 IsEmpty]: Start isEmpty. Operand 3032 states and 4196 transitions. [2023-04-02 09:02:16,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-04-02 09:02:16,706 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 09:02:16,706 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:02:16,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-02 09:02:16,706 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 09:02:16,707 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 09:02:16,707 INFO L85 PathProgramCache]: Analyzing trace with hash -321920460, now seen corresponding path program 1 times [2023-04-02 09:02:16,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 09:02:16,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839599673] [2023-04-02 09:02:16,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 09:02:16,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 09:02:16,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:02:18,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 09:02:18,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:02:18,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:02:18,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:02:18,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:02:18,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:02:18,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:02:18,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:02:18,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 09:02:18,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:02:18,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:02:18,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:02:18,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:02:18,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:02:18,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 09:02:18,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:02:18,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:02:18,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:02:18,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:02:18,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:02:18,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 09:02:18,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:02:18,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:02:18,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:02:18,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:02:18,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:02:18,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 09:02:18,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:02:18,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:02:18,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:02:18,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:02:18,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:02:18,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-04-02 09:02:18,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:02:18,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:02:18,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:02:18,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:02:18,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:02:18,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-04-02 09:02:18,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:02:18,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-04-02 09:02:18,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:02:18,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:02:18,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:02:18,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-04-02 09:02:18,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:02:18,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:02:18,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:02:18,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-04-02 09:02:18,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:02:18,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:02:18,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:02:18,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-04-02 09:02:18,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:02:18,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:02:18,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:02:18,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-04-02 09:02:18,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:02:18,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:02:18,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:02:18,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-04-02 09:02:18,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:02:18,653 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2023-04-02 09:02:18,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 09:02:18,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839599673] [2023-04-02 09:02:18,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839599673] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 09:02:18,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 09:02:18,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-02 09:02:18,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982969535] [2023-04-02 09:02:18,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 09:02:18,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-02 09:02:18,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 09:02:18,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-02 09:02:18,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-04-02 09:02:18,655 INFO L87 Difference]: Start difference. First operand 3032 states and 4196 transitions. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (21), 8 states have call predecessors, (21), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-04-02 09:02:21,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 09:02:23,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 09:02:25,556 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 09:02:27,582 WARN L539 Checker$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 09:02:29,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 09:03:03,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 09:03:03,230 INFO L93 Difference]: Finished difference Result 7890 states and 11437 transitions. [2023-04-02 09:03:03,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-04-02 09:03:03,230 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (21), 8 states have call predecessors, (21), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 181 [2023-04-02 09:03:03,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 09:03:03,286 INFO L225 Difference]: With dead ends: 7890 [2023-04-02 09:03:03,286 INFO L226 Difference]: Without dead ends: 7855 [2023-04-02 09:03:03,292 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2023-04-02 09:03:03,293 INFO L413 NwaCegarLoop]: 824 mSDtfsCounter, 5928 mSDsluCounter, 2425 mSDsCounter, 0 mSdLazyCounter, 5981 mSolverCounterSat, 3621 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6271 SdHoareTripleChecker+Valid, 3249 SdHoareTripleChecker+Invalid, 9607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3621 IncrementalHoareTripleChecker+Valid, 5981 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.5s IncrementalHoareTripleChecker+Time [2023-04-02 09:03:03,293 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6271 Valid, 3249 Invalid, 9607 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3621 Valid, 5981 Invalid, 5 Unknown, 0 Unchecked, 40.5s Time] [2023-04-02 09:03:03,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7855 states. [2023-04-02 09:03:04,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7855 to 5935. [2023-04-02 09:03:04,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5935 states, 3869 states have (on average 1.325665546652882) internal successors, (5129), 3990 states have internal predecessors, (5129), 1559 states have call successors, (1559), 514 states have call predecessors, (1559), 506 states have return successors, (1552), 1516 states have call predecessors, (1552), 1540 states have call successors, (1552) [2023-04-02 09:03:04,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5935 states to 5935 states and 8240 transitions. [2023-04-02 09:03:04,971 INFO L78 Accepts]: Start accepts. Automaton has 5935 states and 8240 transitions. Word has length 181 [2023-04-02 09:03:04,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 09:03:04,971 INFO L495 AbstractCegarLoop]: Abstraction has 5935 states and 8240 transitions. [2023-04-02 09:03:04,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (21), 8 states have call predecessors, (21), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-04-02 09:03:04,972 INFO L276 IsEmpty]: Start isEmpty. Operand 5935 states and 8240 transitions. [2023-04-02 09:03:04,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-04-02 09:03:04,974 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 09:03:04,974 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:03:04,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-02 09:03:04,974 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 09:03:04,975 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 09:03:04,975 INFO L85 PathProgramCache]: Analyzing trace with hash -1392027788, now seen corresponding path program 1 times [2023-04-02 09:03:04,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 09:03:04,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638365216] [2023-04-02 09:03:04,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 09:03:04,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 09:03:05,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:06,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 09:03:06,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:06,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:03:06,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:06,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:03:06,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:06,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:03:06,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:06,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 09:03:06,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:06,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:03:06,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:06,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:03:06,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:06,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 09:03:06,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:06,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:03:06,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:06,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:03:06,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:06,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 09:03:06,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:06,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:03:06,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:06,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:03:06,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:06,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 09:03:06,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:06,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:03:06,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:06,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:03:06,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:06,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-04-02 09:03:06,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:06,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:03:06,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:06,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:03:06,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:06,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-04-02 09:03:06,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:06,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-04-02 09:03:06,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:06,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:03:06,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:06,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-04-02 09:03:06,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:06,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:03:06,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:06,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-04-02 09:03:06,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:06,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:03:06,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:06,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-04-02 09:03:06,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:06,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:03:06,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:06,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-04-02 09:03:06,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:06,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:03:06,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:06,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-04-02 09:03:06,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:06,857 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2023-04-02 09:03:06,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 09:03:06,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638365216] [2023-04-02 09:03:06,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638365216] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 09:03:06,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 09:03:06,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-02 09:03:06,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038247385] [2023-04-02 09:03:06,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 09:03:06,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-02 09:03:06,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 09:03:06,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-02 09:03:06,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-04-02 09:03:06,859 INFO L87 Difference]: Start difference. First operand 5935 states and 8240 transitions. Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (21), 8 states have call predecessors, (21), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-04-02 09:03:09,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 09:03:11,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 09:03:13,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 09:03:15,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 09:03:17,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 09:03:48,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 09:03:48,298 INFO L93 Difference]: Finished difference Result 21480 states and 30843 transitions. [2023-04-02 09:03:48,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-04-02 09:03:48,299 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (21), 8 states have call predecessors, (21), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 182 [2023-04-02 09:03:48,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 09:03:48,399 INFO L225 Difference]: With dead ends: 21480 [2023-04-02 09:03:48,400 INFO L226 Difference]: Without dead ends: 15581 [2023-04-02 09:03:48,426 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2023-04-02 09:03:48,427 INFO L413 NwaCegarLoop]: 986 mSDtfsCounter, 8428 mSDsluCounter, 2079 mSDsCounter, 0 mSdLazyCounter, 4539 mSolverCounterSat, 5868 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8769 SdHoareTripleChecker+Valid, 3065 SdHoareTripleChecker+Invalid, 10412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5868 IncrementalHoareTripleChecker+Valid, 4539 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.8s IncrementalHoareTripleChecker+Time [2023-04-02 09:03:48,428 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8769 Valid, 3065 Invalid, 10412 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5868 Valid, 4539 Invalid, 5 Unknown, 0 Unchecked, 35.8s Time] [2023-04-02 09:03:48,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15581 states. [2023-04-02 09:03:51,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15581 to 11754. [2023-04-02 09:03:51,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11754 states, 7676 states have (on average 1.3271235018238665) internal successors, (10187), 7909 states have internal predecessors, (10187), 3081 states have call successors, (3081), 1012 states have call predecessors, (3081), 996 states have return successors, (3076), 3004 states have call predecessors, (3076), 3046 states have call successors, (3076) [2023-04-02 09:03:51,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11754 states to 11754 states and 16344 transitions. [2023-04-02 09:03:51,385 INFO L78 Accepts]: Start accepts. Automaton has 11754 states and 16344 transitions. Word has length 182 [2023-04-02 09:03:51,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 09:03:51,386 INFO L495 AbstractCegarLoop]: Abstraction has 11754 states and 16344 transitions. [2023-04-02 09:03:51,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (21), 8 states have call predecessors, (21), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-04-02 09:03:51,387 INFO L276 IsEmpty]: Start isEmpty. Operand 11754 states and 16344 transitions. [2023-04-02 09:03:51,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2023-04-02 09:03:51,397 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 09:03:51,397 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:03:51,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-02 09:03:51,399 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 09:03:51,399 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 09:03:51,400 INFO L85 PathProgramCache]: Analyzing trace with hash -1923382787, now seen corresponding path program 1 times [2023-04-02 09:03:51,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 09:03:51,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064928965] [2023-04-02 09:03:51,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 09:03:51,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 09:03:51,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:52,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 09:03:52,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:53,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:03:53,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:53,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:03:53,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:53,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:03:53,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:53,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 09:03:53,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:53,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:03:53,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:53,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:03:53,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:53,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 09:03:53,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:53,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:03:53,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:53,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:03:53,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:53,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 09:03:53,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:53,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:03:53,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:53,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:03:53,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:53,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 09:03:53,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:53,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:03:53,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:53,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:03:53,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:53,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-04-02 09:03:53,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:53,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:03:53,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:53,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:03:53,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:53,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-04-02 09:03:53,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:53,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-04-02 09:03:53,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:53,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:03:53,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:53,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-04-02 09:03:53,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:53,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:03:53,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:53,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-04-02 09:03:53,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:53,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:03:53,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:53,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-04-02 09:03:53,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:53,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:03:53,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:53,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-04-02 09:03:53,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:53,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:03:53,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:53,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-04-02 09:03:53,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:53,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:03:53,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:53,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:03:53,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:53,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-04-02 09:03:53,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:53,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:03:53,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:53,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 09:03:53,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:53,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:03:53,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:53,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 09:03:53,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:03:53,652 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2023-04-02 09:03:53,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 09:03:53,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064928965] [2023-04-02 09:03:53,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064928965] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 09:03:53,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 09:03:53,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-04-02 09:03:53,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651680039] [2023-04-02 09:03:53,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 09:03:53,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-02 09:03:53,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 09:03:53,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-02 09:03:53,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-04-02 09:03:53,655 INFO L87 Difference]: Start difference. First operand 11754 states and 16344 transitions. Second operand has 11 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 4 states have internal predecessors, (69), 4 states have call successors, (27), 10 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2023-04-02 09:03:56,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 09:03:58,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 09:04:00,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 09:04:02,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 09:04:04,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 09:04:06,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 09:04:08,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 09:04:10,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []