/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--class--cdc-wdm.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 10:06:51,529 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 10:06:51,531 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 10:06:51,560 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 10:06:51,560 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 10:06:51,562 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 10:06:51,565 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 10:06:51,566 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 10:06:51,568 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 10:06:51,568 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 10:06:51,569 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 10:06:51,570 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 10:06:51,570 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 10:06:51,570 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 10:06:51,571 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 10:06:51,572 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 10:06:51,572 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 10:06:51,573 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 10:06:51,574 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 10:06:51,577 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 10:06:51,578 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 10:06:51,580 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 10:06:51,581 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 10:06:51,582 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 10:06:51,585 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 10:06:51,585 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 10:06:51,586 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 10:06:51,586 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 10:06:51,586 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 10:06:51,587 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 10:06:51,587 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 10:06:51,587 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 10:06:51,588 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 10:06:51,588 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 10:06:51,589 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 10:06:51,589 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 10:06:51,589 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 10:06:51,589 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 10:06:51,590 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 10:06:51,590 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 10:06:51,590 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 10:06:51,602 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 10:06:51,626 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 10:06:51,627 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 10:06:51,627 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 10:06:51,627 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 10:06:51,629 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 10:06:51,629 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 10:06:51,629 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 10:06:51,629 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 10:06:51,629 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 10:06:51,630 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 10:06:51,630 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 10:06:51,630 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 10:06:51,630 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 10:06:51,631 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 10:06:51,631 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 10:06:51,631 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 10:06:51,631 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 10:06:51,631 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 10:06:51,631 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 10:06:51,631 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 10:06:51,631 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 10:06:51,631 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 10:06:51,631 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 10:06:51,632 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 10:06:51,632 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 10:06:51,632 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 10:06:51,632 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 10:06:51,632 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 10:06:51,632 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 10:06:51,632 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 10:06:51,633 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 10:06:51,633 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 10:06:51,633 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 10:06:51,633 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 10:06:51,633 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 10:06:51,633 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 10:06:51,830 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 10:06:51,850 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 10:06:51,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 10:06:51,853 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 10:06:51,853 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 10:06:51,854 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--class--cdc-wdm.ko-entry_point.cil.out.i [2023-04-02 10:06:52,875 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 10:06:53,257 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 10:06:53,257 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--class--cdc-wdm.ko-entry_point.cil.out.i [2023-04-02 10:06:53,286 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7162b097/05f0ea9c41d74c2597865459a0cf04c6/FLAG2e3037f5f [2023-04-02 10:06:53,298 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7162b097/05f0ea9c41d74c2597865459a0cf04c6 [2023-04-02 10:06:53,301 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 10:06:53,303 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 10:06:53,303 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 10:06:53,303 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 10:06:53,306 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 10:06:53,306 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 10:06:53" (1/1) ... [2023-04-02 10:06:53,307 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4da0b847 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:06:53, skipping insertion in model container [2023-04-02 10:06:53,308 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 10:06:53" (1/1) ... [2023-04-02 10:06:53,314 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 10:06:53,389 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 10:06:54,508 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--class--cdc-wdm.ko-entry_point.cil.out.i[185536,185549] [2023-04-02 10:06:54,633 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 10:06:54,659 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 10:06:54,836 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--class--cdc-wdm.ko-entry_point.cil.out.i[185536,185549] [2023-04-02 10:06:54,858 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 10:06:54,914 INFO L208 MainTranslator]: Completed translation [2023-04-02 10:06:54,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:06:54 WrapperNode [2023-04-02 10:06:54,914 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 10:06:54,915 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 10:06:54,915 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 10:06:54,915 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 10:06:54,924 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:06:54" (1/1) ... [2023-04-02 10:06:54,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:06:54" (1/1) ... [2023-04-02 10:06:54,976 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:06:54" (1/1) ... [2023-04-02 10:06:54,976 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:06:54" (1/1) ... [2023-04-02 10:06:55,045 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:06:54" (1/1) ... [2023-04-02 10:06:55,055 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:06:54" (1/1) ... [2023-04-02 10:06:55,078 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:06:54" (1/1) ... [2023-04-02 10:06:55,099 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:06:54" (1/1) ... [2023-04-02 10:06:55,118 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 10:06:55,118 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 10:06:55,118 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 10:06:55,118 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 10:06:55,119 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:06:54" (1/1) ... [2023-04-02 10:06:55,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 10:06:55,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 10:06:55,144 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 10:06:55,153 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 10:06:55,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 10:06:55,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 10:06:55,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2023-04-02 10:06:55,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2023-04-02 10:06:55,177 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 10:06:55,177 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-04-02 10:06:55,177 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-04-02 10:06:55,178 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-04-02 10:06:55,178 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-04-02 10:06:55,178 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-04-02 10:06:55,178 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-04-02 10:06:55,178 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-02 10:06:55,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-02 10:06:55,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-02 10:06:55,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-04-02 10:06:55,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-04-02 10:06:55,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-02 10:06:55,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-02 10:06:55,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-02 10:06:55,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-02 10:06:55,178 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-02 10:06:55,178 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-04-02 10:06:55,178 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-04-02 10:06:55,179 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-04-02 10:06:55,179 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-04-02 10:06:55,179 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-04-02 10:06:55,179 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2023-04-02 10:06:55,179 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-04-02 10:06:55,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-04-02 10:06:55,179 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-04-02 10:06:55,179 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-04-02 10:06:55,179 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2023-04-02 10:06:55,180 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-04-02 10:06:55,180 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-04-02 10:06:55,180 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2023-04-02 10:06:55,180 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2023-04-02 10:06:55,180 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2023-04-02 10:06:55,180 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2023-04-02 10:06:55,180 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_in [2023-04-02 10:06:55,180 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2023-04-02 10:06:55,180 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-04-02 10:06:55,180 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_mark_last_busy [2023-04-02 10:06:55,180 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2023-04-02 10:06:55,181 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_mark_last_busy [2023-04-02 10:06:55,181 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2023-04-02 10:06:55,181 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2023-04-02 10:06:55,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-04-02 10:06:55,181 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_translate_errors [2023-04-02 10:06:55,181 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_find_device [2023-04-02 10:06:55,181 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_find_device_by_minor [2023-04-02 10:06:55,181 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_out_callback [2023-04-02 10:06:55,181 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_in_callback [2023-04-02 10:06:55,181 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_int_callback [2023-04-02 10:06:55,181 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_urbs [2023-04-02 10:06:55,181 INFO L138 BoogieDeclarations]: Found implementation of procedure free_urbs [2023-04-02 10:06:55,181 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-02 10:06:55,181 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_write [2023-04-02 10:06:55,181 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_wdm_read_flag [2023-04-02 10:06:55,181 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_read [2023-04-02 10:06:55,182 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_flush [2023-04-02 10:06:55,182 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_poll [2023-04-02 10:06:55,182 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_open [2023-04-02 10:06:55,182 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_release [2023-04-02 10:06:55,182 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_ioctl [2023-04-02 10:06:55,182 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_rxwork [2023-04-02 10:06:55,182 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_create [2023-04-02 10:06:55,182 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_manage_power [2023-04-02 10:06:55,182 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_probe [2023-04-02 10:06:55,182 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_cdc_wdm_register [2023-04-02 10:06:55,182 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_disconnect [2023-04-02 10:06:55,182 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_suspend [2023-04-02 10:06:55,182 INFO L138 BoogieDeclarations]: Found implementation of procedure recover_from_urb_loss [2023-04-02 10:06:55,182 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_resume [2023-04-02 10:06:55,182 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_pre_reset [2023-04-02 10:06:55,182 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_post_reset [2023-04-02 10:06:55,182 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_driver_init [2023-04-02 10:06:55,183 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_driver_exit [2023-04-02 10:06:55,183 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2023-04-02 10:06:55,183 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_1 [2023-04-02 10:06:55,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_2 [2023-04-02 10:06:55,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_3 [2023-04-02 10:06:55,183 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2023-04-02 10:06:55,183 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2023-04-02 10:06:55,183 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2023-04-02 10:06:55,183 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_1 [2023-04-02 10:06:55,183 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 10:06:55,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-04-02 10:06:55,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_5 [2023-04-02 10:06:55,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_6 [2023-04-02 10:06:55,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_7 [2023-04-02 10:06:55,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_8 [2023-04-02 10:06:55,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_9 [2023-04-02 10:06:55,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2023-04-02 10:06:55,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2023-04-02 10:06:55,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_12 [2023-04-02 10:06:55,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_13 [2023-04-02 10:06:55,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_14 [2023-04-02 10:06:55,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_15 [2023-04-02 10:06:55,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_16 [2023-04-02 10:06:55,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_17 [2023-04-02 10:06:55,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_18 [2023-04-02 10:06:55,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_19 [2023-04-02 10:06:55,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_20 [2023-04-02 10:06:55,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_21 [2023-04-02 10:06:55,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_22 [2023-04-02 10:06:55,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_23 [2023-04-02 10:06:55,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_24 [2023-04-02 10:06:55,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_25 [2023-04-02 10:06:55,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_26 [2023-04-02 10:06:55,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_27 [2023-04-02 10:06:55,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_28 [2023-04-02 10:06:55,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_29 [2023-04-02 10:06:55,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_30 [2023-04-02 10:06:55,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_31 [2023-04-02 10:06:55,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_32 [2023-04-02 10:06:55,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cancel_work_sync_33 [2023-04-02 10:06:55,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_34 [2023-04-02 10:06:55,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_35 [2023-04-02 10:06:55,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_36 [2023-04-02 10:06:55,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_37 [2023-04-02 10:06:55,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_38 [2023-04-02 10:06:55,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cancel_work_sync_39 [2023-04-02 10:06:55,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_40 [2023-04-02 10:06:55,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_41 [2023-04-02 10:06:55,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_42 [2023-04-02 10:06:55,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_43 [2023-04-02 10:06:55,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cancel_work_sync_44 [2023-04-02 10:06:55,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_45 [2023-04-02 10:06:55,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_46 [2023-04-02 10:06:55,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_47 [2023-04-02 10:06:55,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_48 [2023-04-02 10:06:55,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-04-02 10:06:55,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2023-04-02 10:06:55,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-04-02 10:06:55,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2023-04-02 10:06:55,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2023-04-02 10:06:55,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2023-04-02 10:06:55,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2023-04-02 10:06:55,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2023-04-02 10:06:55,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2023-04-02 10:06:55,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i_mutex_of_inode [2023-04-02 10:06:55,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2023-04-02 10:06:55,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i_mutex_of_inode [2023-04-02 10:06:55,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2023-04-02 10:06:55,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_i_mutex_of_inode [2023-04-02 10:06:55,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_i_mutex_of_inode [2023-04-02 10:06:55,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2023-04-02 10:06:55,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_i_mutex_of_inode [2023-04-02 10:06:55,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2023-04-02 10:06:55,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2023-04-02 10:06:55,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2023-04-02 10:06:55,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2023-04-02 10:06:55,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2023-04-02 10:06:55,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2023-04-02 10:06:55,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2023-04-02 10:06:55,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2023-04-02 10:06:55,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2023-04-02 10:06:55,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2023-04-02 10:06:55,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2023-04-02 10:06:55,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2023-04-02 10:06:55,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2023-04-02 10:06:55,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2023-04-02 10:06:55,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2023-04-02 10:06:55,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2023-04-02 10:06:55,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2023-04-02 10:06:55,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2023-04-02 10:06:55,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2023-04-02 10:06:55,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2023-04-02 10:06:55,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2023-04-02 10:06:55,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2023-04-02 10:06:55,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_rlock_of_wdm_device [2023-04-02 10:06:55,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_rlock_of_wdm_device [2023-04-02 10:06:55,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_rlock_of_wdm_device [2023-04-02 10:06:55,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_rlock_of_wdm_device [2023-04-02 10:06:55,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_rlock_of_wdm_device [2023-04-02 10:06:55,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_rlock_of_wdm_device [2023-04-02 10:06:55,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_rlock_of_wdm_device [2023-04-02 10:06:55,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_rlock_of_wdm_device [2023-04-02 10:06:55,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_rlock_of_wdm_device [2023-04-02 10:06:55,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_rlock_of_wdm_device [2023-04-02 10:06:55,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_rlock_of_wdm_device [2023-04-02 10:06:55,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_wdm_mutex [2023-04-02 10:06:55,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_wdm_mutex [2023-04-02 10:06:55,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_wdm_mutex [2023-04-02 10:06:55,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_wdm_mutex [2023-04-02 10:06:55,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_wdm_mutex [2023-04-02 10:06:55,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_wdm_mutex [2023-04-02 10:06:55,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_wdm_mutex [2023-04-02 10:06:55,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_wdm_mutex [2023-04-02 10:06:55,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_wdm_mutex [2023-04-02 10:06:55,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_wdm_mutex [2023-04-02 10:06:55,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_wdm_mutex [2023-04-02 10:06:55,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_wlock_of_wdm_device [2023-04-02 10:06:55,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_wlock_of_wdm_device [2023-04-02 10:06:55,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_wlock_of_wdm_device [2023-04-02 10:06:55,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_wlock_of_wdm_device [2023-04-02 10:06:55,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_wlock_of_wdm_device [2023-04-02 10:06:55,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_wlock_of_wdm_device [2023-04-02 10:06:55,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_wlock_of_wdm_device [2023-04-02 10:06:55,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_wlock_of_wdm_device [2023-04-02 10:06:55,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_wlock_of_wdm_device [2023-04-02 10:06:55,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_wlock_of_wdm_device [2023-04-02 10:06:55,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_wlock_of_wdm_device [2023-04-02 10:06:55,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-02 10:06:55,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2023-04-02 10:06:55,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2023-04-02 10:06:55,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-04-02 10:06:55,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-04-02 10:06:55,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-04-02 10:06:55,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-04-02 10:06:55,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-04-02 10:06:55,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2023-04-02 10:06:55,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2023-04-02 10:06:55,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-04-02 10:06:55,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-04-02 10:06:55,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-04-02 10:06:55,191 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-04-02 10:06:55,191 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-04-02 10:06:55,191 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-04-02 10:06:55,191 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2023-04-02 10:06:55,191 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2023-04-02 10:06:55,191 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-04-02 10:06:55,191 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2023-04-02 10:06:55,191 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2023-04-02 10:06:55,191 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2023-04-02 10:06:55,191 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2023-04-02 10:06:55,191 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-04-02 10:06:55,191 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2023-04-02 10:06:55,191 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2023-04-02 10:06:55,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-02 10:06:55,191 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-04-02 10:06:55,191 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-04-02 10:06:55,192 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-04-02 10:06:55,192 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2023-04-02 10:06:55,192 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2023-04-02 10:06:55,192 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-04-02 10:06:55,192 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2023-04-02 10:06:55,192 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2023-04-02 10:06:55,192 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2023-04-02 10:06:55,192 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-04-02 10:06:55,192 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2023-04-02 10:06:55,192 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2023-04-02 10:06:55,192 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2023-04-02 10:06:55,192 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2023-04-02 10:06:55,192 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2023-04-02 10:06:55,192 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister_dev [2023-04-02 10:06:55,192 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-04-02 10:06:55,192 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-04-02 10:06:55,192 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_dev [2023-04-02 10:06:55,192 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2023-04-02 10:06:55,192 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2023-04-02 10:06:55,192 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-02 10:06:55,193 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-02 10:06:55,193 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-02 10:06:55,193 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2023-04-02 10:06:55,193 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 10:06:55,193 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 10:06:55,193 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-02 10:06:55,193 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-02 10:06:55,193 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 10:06:55,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 10:06:55,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-02 10:06:55,193 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-04-02 10:06:55,193 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-04-02 10:06:55,193 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-04-02 10:06:55,193 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-04-02 10:06:55,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 10:06:55,193 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-04-02 10:06:55,193 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-04-02 10:06:55,194 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2023-04-02 10:06:55,194 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2023-04-02 10:06:55,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2023-04-02 10:06:55,194 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-04-02 10:06:55,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 10:06:55,194 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-04-02 10:06:55,194 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-04-02 10:06:55,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 10:06:55,194 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-04-02 10:06:55,194 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-02 10:06:55,194 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2023-04-02 10:06:55,194 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-04-02 10:06:55,194 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-04-02 10:06:55,194 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-04-02 10:06:55,194 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2023-04-02 10:06:55,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_15 [2023-04-02 10:06:55,194 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-04-02 10:06:55,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2023-04-02 10:06:55,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_12 [2023-04-02 10:06:55,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_16 [2023-04-02 10:06:55,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_18 [2023-04-02 10:06:55,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_19 [2023-04-02 10:06:55,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_21 [2023-04-02 10:06:55,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_24 [2023-04-02 10:06:55,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_25 [2023-04-02 10:06:55,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_28 [2023-04-02 10:06:55,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_29 [2023-04-02 10:06:55,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_34 [2023-04-02 10:06:55,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_35 [2023-04-02 10:06:55,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_36 [2023-04-02 10:06:55,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_40 [2023-04-02 10:06:55,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_41 [2023-04-02 10:06:55,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_45 [2023-04-02 10:06:55,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_46 [2023-04-02 10:06:55,195 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 10:06:55,195 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-02 10:06:55,195 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 10:06:55,195 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-02 10:06:55,195 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-02 10:06:55,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-02 10:06:55,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 10:06:55,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-02 10:06:55,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-02 10:06:55,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-04-02 10:06:55,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-04-02 10:06:55,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-02 10:06:55,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-02 10:06:55,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-02 10:06:55,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-02 10:06:55,196 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2023-04-02 10:06:55,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_17 [2023-04-02 10:06:55,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_20 [2023-04-02 10:06:55,196 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-04-02 10:06:55,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2023-04-02 10:06:55,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_13 [2023-04-02 10:06:55,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_14 [2023-04-02 10:06:55,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_22 [2023-04-02 10:06:55,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_23 [2023-04-02 10:06:55,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_26 [2023-04-02 10:06:55,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_27 [2023-04-02 10:06:55,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_30 [2023-04-02 10:06:55,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_31 [2023-04-02 10:06:55,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_32 [2023-04-02 10:06:55,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_37 [2023-04-02 10:06:55,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_38 [2023-04-02 10:06:55,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_42 [2023-04-02 10:06:55,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_43 [2023-04-02 10:06:55,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2023-04-02 10:06:55,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2023-04-02 10:06:55,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2023-04-02 10:06:55,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2023-04-02 10:06:55,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2023-04-02 10:06:55,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2023-04-02 10:06:55,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2023-04-02 10:06:55,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_rlock_of_wdm_device [2023-04-02 10:06:55,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_rlock_of_wdm_device [2023-04-02 10:06:55,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_rlock_of_wdm_device [2023-04-02 10:06:55,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_wdm_mutex [2023-04-02 10:06:55,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_wdm_mutex [2023-04-02 10:06:55,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_wlock_of_wdm_device [2023-04-02 10:06:55,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_wlock_of_wdm_device [2023-04-02 10:06:55,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_wlock_of_wdm_device [2023-04-02 10:06:55,198 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-04-02 10:06:55,198 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2023-04-02 10:06:55,198 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2023-04-02 10:06:55,198 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-04-02 10:06:55,198 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2023-04-02 10:06:55,220 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2023-04-02 10:06:55,220 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2023-04-02 10:06:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-02 10:06:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-04-02 10:06:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-04-02 10:06:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-04-02 10:06:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-04-02 10:06:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-04-02 10:06:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-04-02 10:06:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-04-02 10:06:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2023-04-02 10:06:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2023-04-02 10:06:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-04-02 10:06:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-04-02 10:06:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_5 [2023-04-02 10:06:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_7 [2023-04-02 10:06:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2023-04-02 10:06:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_6 [2023-04-02 10:06:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_9 [2023-04-02 10:06:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2023-04-02 10:06:55,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_8 [2023-04-02 10:06:55,222 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2023-04-02 10:06:55,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cancel_work_sync_33 [2023-04-02 10:06:55,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cancel_work_sync_39 [2023-04-02 10:06:55,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cancel_work_sync_44 [2023-04-02 10:06:55,222 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2023-04-02 10:06:55,222 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-04-02 10:06:55,222 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2023-04-02 10:06:55,222 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-02 10:06:55,222 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-04-02 10:06:55,222 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-04-02 10:06:55,222 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-04-02 10:06:55,222 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2023-04-02 10:06:55,222 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_1 [2023-04-02 10:06:55,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_2 [2023-04-02 10:06:55,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_3 [2023-04-02 10:06:55,222 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2023-04-02 10:06:55,222 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2023-04-02 10:06:55,222 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2023-04-02 10:06:55,223 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_1 [2023-04-02 10:06:55,223 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2023-04-02 10:06:55,223 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-04-02 10:06:55,223 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-04-02 10:06:55,223 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2023-04-02 10:06:55,223 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2023-04-02 10:06:55,223 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-04-02 10:06:55,223 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-04-02 10:06:55,223 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2023-04-02 10:06:55,223 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2023-04-02 10:06:55,223 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2023-04-02 10:06:55,223 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2023-04-02 10:06:55,223 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2023-04-02 10:06:55,223 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2023-04-02 10:06:55,223 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_in [2023-04-02 10:06:55,223 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2023-04-02 10:06:55,223 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-04-02 10:06:55,223 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-04-02 10:06:55,223 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-04-02 10:06:55,224 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_mark_last_busy [2023-04-02 10:06:55,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 10:06:55,224 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2023-04-02 10:06:55,224 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2023-04-02 10:06:55,224 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2023-04-02 10:06:55,224 INFO L130 BoogieDeclarations]: Found specification of procedure usb_mark_last_busy [2023-04-02 10:06:55,224 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2023-04-02 10:06:55,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_47 [2023-04-02 10:06:55,224 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2023-04-02 10:06:55,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_48 [2023-04-02 10:06:55,224 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_dev [2023-04-02 10:06:55,224 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister_dev [2023-04-02 10:06:55,224 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2023-04-02 10:06:55,224 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2023-04-02 10:06:55,224 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2023-04-02 10:06:55,224 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-04-02 10:06:55,224 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2023-04-02 10:06:55,224 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-04-02 10:06:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-04-02 10:06:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure usb_translate_errors [2023-04-02 10:06:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure usb_cdc_wdm_register [2023-04-02 10:06:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_find_device [2023-04-02 10:06:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_find_device_by_minor [2023-04-02 10:06:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_out_callback [2023-04-02 10:06:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_in_callback [2023-04-02 10:06:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-02 10:06:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2023-04-02 10:06:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 10:06:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_int_callback [2023-04-02 10:06:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure kill_urbs [2023-04-02 10:06:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure free_urbs [2023-04-02 10:06:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-02 10:06:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_write [2023-04-02 10:06:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure clear_wdm_read_flag [2023-04-02 10:06:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_read [2023-04-02 10:06:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_flush [2023-04-02 10:06:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_poll [2023-04-02 10:06:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_open [2023-04-02 10:06:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2023-04-02 10:06:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_release [2023-04-02 10:06:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_ioctl [2023-04-02 10:06:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_rxwork [2023-04-02 10:06:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_create [2023-04-02 10:06:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_manage_power [2023-04-02 10:06:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_probe [2023-04-02 10:06:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_disconnect [2023-04-02 10:06:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_suspend [2023-04-02 10:06:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure recover_from_urb_loss [2023-04-02 10:06:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_resume [2023-04-02 10:06:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_pre_reset [2023-04-02 10:06:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_post_reset [2023-04-02 10:06:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_driver_init [2023-04-02 10:06:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_driver_exit [2023-04-02 10:06:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-02 10:06:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-02 10:06:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 10:06:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-04-02 10:06:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2023-04-02 10:06:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-04-02 10:06:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2023-04-02 10:06:55,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2023-04-02 10:06:55,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2023-04-02 10:06:55,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2023-04-02 10:06:55,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i_mutex_of_inode [2023-04-02 10:06:55,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2023-04-02 10:06:55,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i_mutex_of_inode [2023-04-02 10:06:55,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_i_mutex_of_inode [2023-04-02 10:06:55,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_i_mutex_of_inode [2023-04-02 10:06:55,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2023-04-02 10:06:55,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_i_mutex_of_inode [2023-04-02 10:06:55,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2023-04-02 10:06:55,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2023-04-02 10:06:55,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2023-04-02 10:06:55,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2023-04-02 10:06:55,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2023-04-02 10:06:55,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2023-04-02 10:06:55,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2023-04-02 10:06:55,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2023-04-02 10:06:55,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2023-04-02 10:06:55,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2023-04-02 10:06:55,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2023-04-02 10:06:55,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2023-04-02 10:06:55,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2023-04-02 10:06:55,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2023-04-02 10:06:55,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2023-04-02 10:06:55,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2023-04-02 10:06:55,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2023-04-02 10:06:55,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_rlock_of_wdm_device [2023-04-02 10:06:55,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_rlock_of_wdm_device [2023-04-02 10:06:55,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_rlock_of_wdm_device [2023-04-02 10:06:55,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_rlock_of_wdm_device [2023-04-02 10:06:55,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_rlock_of_wdm_device [2023-04-02 10:06:55,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_rlock_of_wdm_device [2023-04-02 10:06:55,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_rlock_of_wdm_device [2023-04-02 10:06:55,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_rlock_of_wdm_device [2023-04-02 10:06:55,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_wdm_mutex [2023-04-02 10:06:55,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_wdm_mutex [2023-04-02 10:06:55,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_wdm_mutex [2023-04-02 10:06:55,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_wdm_mutex [2023-04-02 10:06:55,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_wdm_mutex [2023-04-02 10:06:55,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_wdm_mutex [2023-04-02 10:06:55,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_wdm_mutex [2023-04-02 10:06:55,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_wdm_mutex [2023-04-02 10:06:55,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_wdm_mutex [2023-04-02 10:06:55,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_wlock_of_wdm_device [2023-04-02 10:06:55,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_wlock_of_wdm_device [2023-04-02 10:06:55,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_wlock_of_wdm_device [2023-04-02 10:06:55,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_wlock_of_wdm_device [2023-04-02 10:06:55,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_wlock_of_wdm_device [2023-04-02 10:06:55,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_wlock_of_wdm_device [2023-04-02 10:06:55,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_wlock_of_wdm_device [2023-04-02 10:06:55,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_wlock_of_wdm_device [2023-04-02 10:06:55,229 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-04-02 10:06:55,229 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2023-04-02 10:06:55,229 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 10:06:55,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 10:06:55,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 10:06:55,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-02 10:06:55,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-02 10:06:55,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 10:06:55,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-04-02 10:06:55,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-04-02 10:06:55,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-04-02 10:06:55,725 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 10:06:55,729 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 10:06:55,828 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-02 10:06:59,739 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 10:06:59,757 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 10:06:59,758 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-04-02 10:06:59,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 10:06:59 BoogieIcfgContainer [2023-04-02 10:06:59,763 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 10:06:59,765 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 10:06:59,766 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 10:06:59,767 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 10:06:59,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 10:06:53" (1/3) ... [2023-04-02 10:06:59,768 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2100125a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 10:06:59, skipping insertion in model container [2023-04-02 10:06:59,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:06:54" (2/3) ... [2023-04-02 10:06:59,768 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2100125a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 10:06:59, skipping insertion in model container [2023-04-02 10:06:59,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 10:06:59" (3/3) ... [2023-04-02 10:06:59,769 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--usb--class--cdc-wdm.ko-entry_point.cil.out.i [2023-04-02 10:06:59,781 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 10:06:59,781 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 10:06:59,852 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 10:06:59,857 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;@f05f35d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 10:06:59,857 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 10:06:59,864 INFO L276 IsEmpty]: Start isEmpty. Operand has 1920 states, 1148 states have (on average 1.2665505226480835) internal successors, (1454), 1200 states have internal predecessors, (1454), 525 states have call successors, (525), 172 states have call predecessors, (525), 171 states have return successors, (519), 516 states have call predecessors, (519), 519 states have call successors, (519) [2023-04-02 10:06:59,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2023-04-02 10:06:59,877 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:06:59,878 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:06:59,878 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:06:59,881 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:06:59,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1956852654, now seen corresponding path program 1 times [2023-04-02 10:06:59,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:06:59,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072788246] [2023-04-02 10:06:59,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:06:59,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:07:00,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:00,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:07:00,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:00,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:07:00,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:00,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:07:00,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:00,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:07:00,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:00,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 10:07:00,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:00,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:07:00,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:00,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:07:00,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:00,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 10:07:00,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:00,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:07:00,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:00,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:07:00,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:00,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 10:07:00,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:00,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:07:00,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:00,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:07:00,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:00,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 10:07:00,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:00,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:07:00,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:00,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:07:00,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:00,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-04-02 10:07:00,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:00,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:07:00,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:00,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:07:00,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:00,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-04-02 10:07:00,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:00,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:07:00,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:00,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:07:00,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:00,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 10:07:00,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:00,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-04-02 10:07:00,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:00,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:07:00,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:00,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-04-02 10:07:00,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:00,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:07:00,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:00,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-04-02 10:07:00,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:00,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:07:00,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:01,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-04-02 10:07:01,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:01,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:07:01,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:01,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-04-02 10:07:01,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:01,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:07:01,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:01,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-04-02 10:07:01,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:01,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:07:01,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:01,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-04-02 10:07:01,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:01,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:07:01,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:01,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-04-02 10:07:01,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:01,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:07:01,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:01,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-04-02 10:07:01,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:01,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:07:01,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:01,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-04-02 10:07:01,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:01,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2023-04-02 10:07:01,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:01,113 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2023-04-02 10:07:01,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:07:01,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072788246] [2023-04-02 10:07:01,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072788246] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:07:01,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 10:07:01,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-02 10:07:01,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972229800] [2023-04-02 10:07:01,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:07:01,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-02 10:07:01,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:07:01,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-02 10:07:01,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-04-02 10:07:01,150 INFO L87 Difference]: Start difference. First operand has 1920 states, 1148 states have (on average 1.2665505226480835) internal successors, (1454), 1200 states have internal predecessors, (1454), 525 states have call successors, (525), 172 states have call predecessors, (525), 171 states have return successors, (519), 516 states have call predecessors, (519), 519 states have call successors, (519) Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (28), 7 states have call predecessors, (28), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-04-02 10:07:11,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:07:11,451 INFO L93 Difference]: Finished difference Result 2977 states and 4091 transitions. [2023-04-02 10:07:11,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-02 10:07:11,454 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (28), 7 states have call predecessors, (28), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 247 [2023-04-02 10:07:11,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:07:11,471 INFO L225 Difference]: With dead ends: 2977 [2023-04-02 10:07:11,471 INFO L226 Difference]: Without dead ends: 1560 [2023-04-02 10:07:11,479 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-04-02 10:07:11,481 INFO L413 NwaCegarLoop]: 330 mSDtfsCounter, 2773 mSDsluCounter, 739 mSDsCounter, 0 mSdLazyCounter, 3712 mSolverCounterSat, 2120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2997 SdHoareTripleChecker+Valid, 1069 SdHoareTripleChecker+Invalid, 5832 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2120 IncrementalHoareTripleChecker+Valid, 3712 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2023-04-02 10:07:11,482 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2997 Valid, 1069 Invalid, 5832 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2120 Valid, 3712 Invalid, 0 Unknown, 0 Unchecked, 9.3s Time] [2023-04-02 10:07:11,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1560 states. [2023-04-02 10:07:11,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1560 to 1396. [2023-04-02 10:07:11,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1396 states, 843 states have (on average 1.2574139976275207) internal successors, (1060), 881 states have internal predecessors, (1060), 397 states have call successors, (397), 158 states have call predecessors, (397), 155 states have return successors, (381), 378 states have call predecessors, (381), 381 states have call successors, (381) [2023-04-02 10:07:11,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1396 states to 1396 states and 1838 transitions. [2023-04-02 10:07:11,821 INFO L78 Accepts]: Start accepts. Automaton has 1396 states and 1838 transitions. Word has length 247 [2023-04-02 10:07:11,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:07:11,822 INFO L495 AbstractCegarLoop]: Abstraction has 1396 states and 1838 transitions. [2023-04-02 10:07:11,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (28), 7 states have call predecessors, (28), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-04-02 10:07:11,822 INFO L276 IsEmpty]: Start isEmpty. Operand 1396 states and 1838 transitions. [2023-04-02 10:07:11,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2023-04-02 10:07:11,827 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:07:11,827 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:07:11,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 10:07:11,827 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:07:11,828 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:07:11,828 INFO L85 PathProgramCache]: Analyzing trace with hash -1968163708, now seen corresponding path program 1 times [2023-04-02 10:07:11,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:07:11,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532489981] [2023-04-02 10:07:11,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:07:11,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:07:11,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:12,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:07:12,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:12,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:07:12,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:12,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:07:12,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:12,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:07:12,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:12,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 10:07:12,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:12,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:07:12,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:12,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:07:12,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:12,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 10:07:12,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:12,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:07:12,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:12,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:07:12,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:12,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 10:07:12,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:12,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:07:12,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:12,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:07:12,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:12,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 10:07:12,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:12,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:07:12,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:12,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:07:12,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:12,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-04-02 10:07:12,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:12,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:07:12,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:12,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:07:12,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:12,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-04-02 10:07:12,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:12,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:07:12,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:12,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:07:12,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:12,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 10:07:12,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:12,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-04-02 10:07:12,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:12,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:07:12,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:12,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-04-02 10:07:12,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:12,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:07:12,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:12,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-04-02 10:07:12,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:12,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:07:12,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:12,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-04-02 10:07:12,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:12,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:07:12,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:12,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-04-02 10:07:12,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:12,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:07:12,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:12,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-04-02 10:07:12,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:12,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:07:12,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:12,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-04-02 10:07:12,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:12,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:07:12,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:12,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-04-02 10:07:12,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:12,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:07:12,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:12,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-04-02 10:07:12,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:12,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:07:12,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:12,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-04-02 10:07:12,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:12,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2023-04-02 10:07:12,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:12,623 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2023-04-02 10:07:12,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:07:12,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532489981] [2023-04-02 10:07:12,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532489981] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:07:12,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 10:07:12,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-02 10:07:12,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861401291] [2023-04-02 10:07:12,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:07:12,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-02 10:07:12,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:07:12,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-02 10:07:12,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-04-02 10:07:12,626 INFO L87 Difference]: Start difference. First operand 1396 states and 1838 transitions. Second operand has 8 states, 8 states have (on average 6.75) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-04-02 10:07:26,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:07:26,900 INFO L93 Difference]: Finished difference Result 3756 states and 4945 transitions. [2023-04-02 10:07:26,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-04-02 10:07:26,900 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 247 [2023-04-02 10:07:26,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:07:26,913 INFO L225 Difference]: With dead ends: 3756 [2023-04-02 10:07:26,913 INFO L226 Difference]: Without dead ends: 2415 [2023-04-02 10:07:26,918 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=116, Invalid=226, Unknown=0, NotChecked=0, Total=342 [2023-04-02 10:07:26,919 INFO L413 NwaCegarLoop]: 339 mSDtfsCounter, 3934 mSDsluCounter, 986 mSDsCounter, 0 mSdLazyCounter, 5460 mSolverCounterSat, 3136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4149 SdHoareTripleChecker+Valid, 1325 SdHoareTripleChecker+Invalid, 8596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3136 IncrementalHoareTripleChecker+Valid, 5460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2023-04-02 10:07:26,919 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4149 Valid, 1325 Invalid, 8596 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3136 Valid, 5460 Invalid, 0 Unknown, 0 Unchecked, 12.7s Time] [2023-04-02 10:07:26,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2415 states. [2023-04-02 10:07:27,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2415 to 2118. [2023-04-02 10:07:27,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2118 states, 1287 states have (on average 1.2494172494172495) internal successors, (1608), 1334 states have internal predecessors, (1608), 578 states have call successors, (578), 255 states have call predecessors, (578), 252 states have return successors, (562), 557 states have call predecessors, (562), 562 states have call successors, (562) [2023-04-02 10:07:27,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2118 states to 2118 states and 2748 transitions. [2023-04-02 10:07:27,344 INFO L78 Accepts]: Start accepts. Automaton has 2118 states and 2748 transitions. Word has length 247 [2023-04-02 10:07:27,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:07:27,345 INFO L495 AbstractCegarLoop]: Abstraction has 2118 states and 2748 transitions. [2023-04-02 10:07:27,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-04-02 10:07:27,345 INFO L276 IsEmpty]: Start isEmpty. Operand 2118 states and 2748 transitions. [2023-04-02 10:07:27,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2023-04-02 10:07:27,347 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:07:27,347 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:07:27,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-02 10:07:27,348 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:07:27,348 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:07:27,348 INFO L85 PathProgramCache]: Analyzing trace with hash 219158393, now seen corresponding path program 1 times [2023-04-02 10:07:27,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:07:27,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135679219] [2023-04-02 10:07:27,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:07:27,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:07:27,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:27,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:07:27,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:27,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:07:27,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:27,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:07:27,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:27,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:07:27,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:27,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 10:07:27,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:27,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:07:27,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:27,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:07:27,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:27,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 10:07:27,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:27,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:07:27,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:27,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:07:27,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:27,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 10:07:27,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:27,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:07:27,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:27,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:07:27,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:27,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 10:07:27,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:27,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:07:27,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:27,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:07:27,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:27,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-04-02 10:07:27,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:27,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:07:27,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:27,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:07:27,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:27,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-04-02 10:07:27,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:27,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:07:27,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:27,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:07:27,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:27,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 10:07:27,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:27,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-04-02 10:07:27,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:27,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:07:27,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:27,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-04-02 10:07:28,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:28,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:07:28,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:28,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-04-02 10:07:28,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:28,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:07:28,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:28,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-04-02 10:07:28,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:28,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:07:28,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:28,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-04-02 10:07:28,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:28,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:07:28,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:28,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-04-02 10:07:28,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:28,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:07:28,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:28,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-04-02 10:07:28,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:28,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:07:28,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:28,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-04-02 10:07:28,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:28,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:07:28,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:28,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-04-02 10:07:28,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:28,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:07:28,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:28,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-04-02 10:07:28,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:28,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2023-04-02 10:07:28,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:28,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:07:28,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:28,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:07:28,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:28,115 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2023-04-02 10:07:28,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:07:28,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135679219] [2023-04-02 10:07:28,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135679219] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:07:28,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 10:07:28,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-04-02 10:07:28,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271344433] [2023-04-02 10:07:28,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:07:28,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-02 10:07:28,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:07:28,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-02 10:07:28,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-04-02 10:07:28,118 INFO L87 Difference]: Start difference. First operand 2118 states and 2748 transitions. Second operand has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (28), 8 states have call predecessors, (28), 1 states have return successors, (25), 2 states have call predecessors, (25), 3 states have call successors, (25) [2023-04-02 10:07:46,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:07:46,241 INFO L93 Difference]: Finished difference Result 6683 states and 8776 transitions. [2023-04-02 10:07:46,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-04-02 10:07:46,241 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (28), 8 states have call predecessors, (28), 1 states have return successors, (25), 2 states have call predecessors, (25), 3 states have call successors, (25) Word has length 248 [2023-04-02 10:07:46,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:07:46,262 INFO L225 Difference]: With dead ends: 6683 [2023-04-02 10:07:46,262 INFO L226 Difference]: Without dead ends: 4620 [2023-04-02 10:07:46,268 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=200, Invalid=450, Unknown=0, NotChecked=0, Total=650 [2023-04-02 10:07:46,269 INFO L413 NwaCegarLoop]: 289 mSDtfsCounter, 6494 mSDsluCounter, 1104 mSDsCounter, 0 mSdLazyCounter, 7860 mSolverCounterSat, 5459 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6549 SdHoareTripleChecker+Valid, 1393 SdHoareTripleChecker+Invalid, 13319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5459 IncrementalHoareTripleChecker+Valid, 7860 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.0s IncrementalHoareTripleChecker+Time [2023-04-02 10:07:46,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6549 Valid, 1393 Invalid, 13319 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5459 Valid, 7860 Invalid, 0 Unknown, 0 Unchecked, 16.0s Time] [2023-04-02 10:07:46,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4620 states. [2023-04-02 10:07:47,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4620 to 4090. [2023-04-02 10:07:47,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4090 states, 2498 states have (on average 1.2510008006405124) internal successors, (3125), 2577 states have internal predecessors, (3125), 1104 states have call successors, (1104), 490 states have call predecessors, (1104), 487 states have return successors, (1088), 1078 states have call predecessors, (1088), 1088 states have call successors, (1088) [2023-04-02 10:07:47,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4090 states to 4090 states and 5317 transitions. [2023-04-02 10:07:47,074 INFO L78 Accepts]: Start accepts. Automaton has 4090 states and 5317 transitions. Word has length 248 [2023-04-02 10:07:47,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:07:47,076 INFO L495 AbstractCegarLoop]: Abstraction has 4090 states and 5317 transitions. [2023-04-02 10:07:47,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (28), 8 states have call predecessors, (28), 1 states have return successors, (25), 2 states have call predecessors, (25), 3 states have call successors, (25) [2023-04-02 10:07:47,076 INFO L276 IsEmpty]: Start isEmpty. Operand 4090 states and 5317 transitions. [2023-04-02 10:07:47,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2023-04-02 10:07:47,079 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:07:47,079 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:07:47,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-02 10:07:47,080 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:07:47,080 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:07:47,080 INFO L85 PathProgramCache]: Analyzing trace with hash -349850718, now seen corresponding path program 1 times [2023-04-02 10:07:47,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:07:47,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164789765] [2023-04-02 10:07:47,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:07:47,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:07:47,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:47,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:07:47,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:47,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:07:47,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:47,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:07:47,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:47,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:07:47,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:47,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 10:07:47,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:47,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:07:47,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:47,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:07:47,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:47,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 10:07:47,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:47,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:07:47,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:47,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:07:47,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:47,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 10:07:47,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:47,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:07:47,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:47,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:07:47,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:47,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 10:07:47,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:47,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:07:47,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:47,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:07:47,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:47,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-04-02 10:07:47,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:47,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:07:47,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:47,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:07:47,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:47,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-04-02 10:07:47,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:47,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:07:47,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:47,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:07:47,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:47,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 10:07:47,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:47,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-04-02 10:07:47,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:47,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:07:47,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:47,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-04-02 10:07:47,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:47,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:07:47,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:47,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-04-02 10:07:47,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:47,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:07:47,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:47,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-04-02 10:07:47,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:47,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:07:47,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:47,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-04-02 10:07:47,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:47,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:07:47,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:47,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-04-02 10:07:47,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:47,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:07:47,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:47,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-04-02 10:07:47,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:47,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:07:47,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:47,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-04-02 10:07:47,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:47,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:07:47,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:47,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-04-02 10:07:47,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:47,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:07:47,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:47,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-04-02 10:07:47,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:47,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2023-04-02 10:07:47,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:47,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2023-04-02 10:07:47,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:47,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:07:47,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:47,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:07:47,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:47,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:07:47,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:47,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:07:47,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:07:47,754 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2023-04-02 10:07:47,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:07:47,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164789765] [2023-04-02 10:07:47,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164789765] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:07:47,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 10:07:47,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-02 10:07:47,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13564102] [2023-04-02 10:07:47,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:07:47,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-02 10:07:47,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:07:47,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-02 10:07:47,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-04-02 10:07:47,756 INFO L87 Difference]: Start difference. First operand 4090 states and 5317 transitions. Second operand has 8 states, 8 states have (on average 8.875) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (33), 7 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-02 10:08:00,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:08:00,667 INFO L93 Difference]: Finished difference Result 10827 states and 14171 transitions. [2023-04-02 10:08:00,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-02 10:08:00,669 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (33), 7 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 274 [2023-04-02 10:08:00,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:08:00,698 INFO L225 Difference]: With dead ends: 10827 [2023-04-02 10:08:00,698 INFO L226 Difference]: Without dead ends: 6802 [2023-04-02 10:08:00,709 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=106, Invalid=200, Unknown=0, NotChecked=0, Total=306 [2023-04-02 10:08:00,711 INFO L413 NwaCegarLoop]: 402 mSDtfsCounter, 5088 mSDsluCounter, 709 mSDsCounter, 0 mSdLazyCounter, 5053 mSolverCounterSat, 4054 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5310 SdHoareTripleChecker+Valid, 1111 SdHoareTripleChecker+Invalid, 9107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4054 IncrementalHoareTripleChecker+Valid, 5053 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2023-04-02 10:08:00,712 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5310 Valid, 1111 Invalid, 9107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4054 Valid, 5053 Invalid, 0 Unknown, 0 Unchecked, 10.7s Time] [2023-04-02 10:08:00,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6802 states. [2023-04-02 10:08:01,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6802 to 6026. [2023-04-02 10:08:01,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6026 states, 3729 states have (on average 1.2571735049611157) internal successors, (4688), 3850 states have internal predecessors, (4688), 1584 states have call successors, (1584), 715 states have call predecessors, (1584), 712 states have return successors, (1568), 1552 states have call predecessors, (1568), 1568 states have call successors, (1568) [2023-04-02 10:08:01,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6026 states to 6026 states and 7840 transitions. [2023-04-02 10:08:01,924 INFO L78 Accepts]: Start accepts. Automaton has 6026 states and 7840 transitions. Word has length 274 [2023-04-02 10:08:01,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:08:01,926 INFO L495 AbstractCegarLoop]: Abstraction has 6026 states and 7840 transitions. [2023-04-02 10:08:01,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (33), 7 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-02 10:08:01,927 INFO L276 IsEmpty]: Start isEmpty. Operand 6026 states and 7840 transitions. [2023-04-02 10:08:01,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2023-04-02 10:08:01,930 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:08:01,930 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:08:01,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-02 10:08:01,930 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:08:01,930 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:08:01,930 INFO L85 PathProgramCache]: Analyzing trace with hash -793359679, now seen corresponding path program 1 times [2023-04-02 10:08:01,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:08:01,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452558769] [2023-04-02 10:08:01,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:08:01,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:08:02,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:02,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:08:02,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:02,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:08:02,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:02,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:02,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:02,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:08:02,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:02,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 10:08:02,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:02,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:02,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:02,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:08:02,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:02,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 10:08:02,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:02,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:02,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:02,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:08:02,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:02,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 10:08:02,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:02,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:02,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:02,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:08:02,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:02,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 10:08:02,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:02,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:02,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:02,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:08:02,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:02,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-04-02 10:08:02,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:02,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:02,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:02,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:08:02,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:02,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-04-02 10:08:02,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:02,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:02,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:02,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:08:02,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:02,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 10:08:02,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:02,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-04-02 10:08:02,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:02,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:02,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:02,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-04-02 10:08:02,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:02,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:02,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:02,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-04-02 10:08:02,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:02,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:02,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:02,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-04-02 10:08:02,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:02,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:02,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:02,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-04-02 10:08:02,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:02,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:02,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:02,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-04-02 10:08:02,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:02,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:02,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:02,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-04-02 10:08:02,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:02,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:02,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:02,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-04-02 10:08:02,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:02,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:02,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:02,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-04-02 10:08:02,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:02,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:02,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:02,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-04-02 10:08:02,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:02,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2023-04-02 10:08:02,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:02,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:02,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:02,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:02,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:02,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:08:02,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:02,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:02,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:02,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:02,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:02,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:08:02,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:02,687 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2023-04-02 10:08:02,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:08:02,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452558769] [2023-04-02 10:08:02,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452558769] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:08:02,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 10:08:02,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-02 10:08:02,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892793527] [2023-04-02 10:08:02,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:08:02,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-02 10:08:02,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:08:02,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-02 10:08:02,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-04-02 10:08:02,689 INFO L87 Difference]: Start difference. First operand 6026 states and 7840 transitions. Second operand has 10 states, 10 states have (on average 6.2) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (30), 10 states have call predecessors, (30), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-02 10:08:16,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:08:16,745 INFO L93 Difference]: Finished difference Result 6750 states and 8870 transitions. [2023-04-02 10:08:16,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-04-02 10:08:16,747 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.2) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (30), 10 states have call predecessors, (30), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 274 [2023-04-02 10:08:16,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:08:16,769 INFO L225 Difference]: With dead ends: 6750 [2023-04-02 10:08:16,769 INFO L226 Difference]: Without dead ends: 6747 [2023-04-02 10:08:16,771 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=115, Invalid=227, Unknown=0, NotChecked=0, Total=342 [2023-04-02 10:08:16,772 INFO L413 NwaCegarLoop]: 328 mSDtfsCounter, 3235 mSDsluCounter, 905 mSDsCounter, 0 mSdLazyCounter, 5302 mSolverCounterSat, 2721 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3264 SdHoareTripleChecker+Valid, 1233 SdHoareTripleChecker+Invalid, 8023 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2721 IncrementalHoareTripleChecker+Valid, 5302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2023-04-02 10:08:16,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3264 Valid, 1233 Invalid, 8023 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2721 Valid, 5302 Invalid, 0 Unknown, 0 Unchecked, 11.9s Time] [2023-04-02 10:08:16,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6747 states. [2023-04-02 10:08:17,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6747 to 6025. [2023-04-02 10:08:17,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6025 states, 3729 states have (on average 1.2569053365513543) internal successors, (4687), 3849 states have internal predecessors, (4687), 1583 states have call successors, (1583), 715 states have call predecessors, (1583), 712 states have return successors, (1568), 1552 states have call predecessors, (1568), 1568 states have call successors, (1568) [2023-04-02 10:08:17,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6025 states to 6025 states and 7838 transitions. [2023-04-02 10:08:17,901 INFO L78 Accepts]: Start accepts. Automaton has 6025 states and 7838 transitions. Word has length 274 [2023-04-02 10:08:17,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:08:17,901 INFO L495 AbstractCegarLoop]: Abstraction has 6025 states and 7838 transitions. [2023-04-02 10:08:17,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.2) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (30), 10 states have call predecessors, (30), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-02 10:08:17,901 INFO L276 IsEmpty]: Start isEmpty. Operand 6025 states and 7838 transitions. [2023-04-02 10:08:17,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2023-04-02 10:08:17,903 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:08:17,904 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:08:17,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-02 10:08:17,904 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:08:17,904 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:08:17,904 INFO L85 PathProgramCache]: Analyzing trace with hash 1174652476, now seen corresponding path program 1 times [2023-04-02 10:08:17,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:08:17,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464641650] [2023-04-02 10:08:17,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:08:17,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:08:17,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:18,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:08:18,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:18,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:08:18,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:18,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:18,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:18,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:08:18,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:18,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 10:08:18,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:18,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:18,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:18,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:08:18,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:18,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 10:08:18,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:18,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:18,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:18,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:08:18,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:18,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 10:08:18,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:18,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:18,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:18,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:08:18,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:18,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 10:08:18,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:18,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:18,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:18,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:08:18,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:18,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-04-02 10:08:18,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:18,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:18,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:18,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:08:18,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:18,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-04-02 10:08:18,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:18,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:18,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:18,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:08:18,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:18,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 10:08:18,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:18,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-04-02 10:08:18,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:18,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:18,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:18,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-04-02 10:08:18,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:18,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:18,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:18,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-04-02 10:08:18,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:18,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:18,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:18,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-04-02 10:08:18,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:18,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:18,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:18,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-04-02 10:08:18,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:18,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:18,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:18,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-04-02 10:08:18,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:18,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:18,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:18,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-04-02 10:08:18,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:18,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:18,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:18,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-04-02 10:08:18,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:18,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:18,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:18,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-04-02 10:08:18,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:18,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:18,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:18,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-04-02 10:08:18,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:18,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2023-04-02 10:08:18,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:18,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:18,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:18,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:18,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:18,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:08:18,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:18,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:18,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:18,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:18,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:18,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:08:18,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:18,690 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2023-04-02 10:08:18,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:08:18,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464641650] [2023-04-02 10:08:18,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464641650] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:08:18,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 10:08:18,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-02 10:08:18,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007246382] [2023-04-02 10:08:18,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:08:18,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-02 10:08:18,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:08:18,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-02 10:08:18,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-04-02 10:08:18,692 INFO L87 Difference]: Start difference. First operand 6025 states and 7838 transitions. Second operand has 10 states, 10 states have (on average 6.3) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (30), 10 states have call predecessors, (30), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-02 10:08:28,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:08:28,972 INFO L93 Difference]: Finished difference Result 6749 states and 8868 transitions. [2023-04-02 10:08:28,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-04-02 10:08:28,973 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.3) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (30), 10 states have call predecessors, (30), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 275 [2023-04-02 10:08:28,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:08:29,003 INFO L225 Difference]: With dead ends: 6749 [2023-04-02 10:08:29,003 INFO L226 Difference]: Without dead ends: 6746 [2023-04-02 10:08:29,006 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=115, Invalid=227, Unknown=0, NotChecked=0, Total=342 [2023-04-02 10:08:29,007 INFO L413 NwaCegarLoop]: 320 mSDtfsCounter, 4325 mSDsluCounter, 696 mSDsCounter, 0 mSdLazyCounter, 3891 mSolverCounterSat, 3805 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4354 SdHoareTripleChecker+Valid, 1016 SdHoareTripleChecker+Invalid, 7696 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3805 IncrementalHoareTripleChecker+Valid, 3891 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2023-04-02 10:08:29,007 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4354 Valid, 1016 Invalid, 7696 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3805 Valid, 3891 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2023-04-02 10:08:29,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6746 states. [2023-04-02 10:08:30,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6746 to 6024. [2023-04-02 10:08:30,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6024 states, 3729 states have (on average 1.2566371681415929) internal successors, (4686), 3848 states have internal predecessors, (4686), 1582 states have call successors, (1582), 715 states have call predecessors, (1582), 712 states have return successors, (1568), 1552 states have call predecessors, (1568), 1568 states have call successors, (1568) [2023-04-02 10:08:30,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6024 states to 6024 states and 7836 transitions. [2023-04-02 10:08:30,221 INFO L78 Accepts]: Start accepts. Automaton has 6024 states and 7836 transitions. Word has length 275 [2023-04-02 10:08:30,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:08:30,221 INFO L495 AbstractCegarLoop]: Abstraction has 6024 states and 7836 transitions. [2023-04-02 10:08:30,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.3) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (30), 10 states have call predecessors, (30), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-02 10:08:30,222 INFO L276 IsEmpty]: Start isEmpty. Operand 6024 states and 7836 transitions. [2023-04-02 10:08:30,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2023-04-02 10:08:30,224 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:08:30,224 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:08:30,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-02 10:08:30,225 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:08:30,225 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:08:30,225 INFO L85 PathProgramCache]: Analyzing trace with hash 2053492004, now seen corresponding path program 1 times [2023-04-02 10:08:30,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:08:30,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955495324] [2023-04-02 10:08:30,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:08:30,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:08:30,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:30,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:08:30,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:30,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:08:30,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:30,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:30,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:30,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:08:30,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:30,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 10:08:30,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:30,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:30,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:30,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:08:30,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:30,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 10:08:30,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:30,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:30,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:30,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:08:30,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:30,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 10:08:30,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:30,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:30,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:30,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:08:30,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:30,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 10:08:30,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:30,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:30,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:30,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:08:30,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:30,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-04-02 10:08:30,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:30,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:30,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:30,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:08:30,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:30,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-04-02 10:08:30,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:30,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:30,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:30,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:08:30,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:30,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 10:08:30,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:30,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-04-02 10:08:30,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:30,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:30,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:30,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-04-02 10:08:30,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:30,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:30,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:30,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-04-02 10:08:30,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:30,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:30,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:30,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-04-02 10:08:30,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:30,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:30,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:30,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-04-02 10:08:30,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:30,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:30,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:30,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-04-02 10:08:30,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:30,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:30,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:30,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-04-02 10:08:30,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:30,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:30,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:30,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-04-02 10:08:30,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:30,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:30,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:30,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-04-02 10:08:30,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:30,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:30,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:30,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-04-02 10:08:30,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:30,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2023-04-02 10:08:30,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:30,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:30,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:30,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:30,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:30,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:08:30,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:30,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:30,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:31,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:31,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:31,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:08:31,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:31,008 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2023-04-02 10:08:31,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:08:31,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955495324] [2023-04-02 10:08:31,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955495324] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:08:31,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 10:08:31,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-02 10:08:31,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703657256] [2023-04-02 10:08:31,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:08:31,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-02 10:08:31,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:08:31,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-02 10:08:31,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-04-02 10:08:31,011 INFO L87 Difference]: Start difference. First operand 6024 states and 7836 transitions. Second operand has 10 states, 10 states have (on average 6.4) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (30), 10 states have call predecessors, (30), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-02 10:08:43,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:08:43,034 INFO L93 Difference]: Finished difference Result 6748 states and 8866 transitions. [2023-04-02 10:08:43,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-04-02 10:08:43,034 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.4) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (30), 10 states have call predecessors, (30), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 276 [2023-04-02 10:08:43,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:08:43,059 INFO L225 Difference]: With dead ends: 6748 [2023-04-02 10:08:43,059 INFO L226 Difference]: Without dead ends: 6745 [2023-04-02 10:08:43,061 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=115, Invalid=227, Unknown=0, NotChecked=0, Total=342 [2023-04-02 10:08:43,062 INFO L413 NwaCegarLoop]: 324 mSDtfsCounter, 3714 mSDsluCounter, 1022 mSDsCounter, 0 mSdLazyCounter, 5247 mSolverCounterSat, 3190 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3743 SdHoareTripleChecker+Valid, 1346 SdHoareTripleChecker+Invalid, 8437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3190 IncrementalHoareTripleChecker+Valid, 5247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2023-04-02 10:08:43,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3743 Valid, 1346 Invalid, 8437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3190 Valid, 5247 Invalid, 0 Unknown, 0 Unchecked, 9.9s Time] [2023-04-02 10:08:43,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6745 states. [2023-04-02 10:08:44,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6745 to 6023. [2023-04-02 10:08:44,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6023 states, 3729 states have (on average 1.2563689997318317) internal successors, (4685), 3847 states have internal predecessors, (4685), 1581 states have call successors, (1581), 715 states have call predecessors, (1581), 712 states have return successors, (1568), 1552 states have call predecessors, (1568), 1568 states have call successors, (1568) [2023-04-02 10:08:44,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6023 states to 6023 states and 7834 transitions. [2023-04-02 10:08:44,265 INFO L78 Accepts]: Start accepts. Automaton has 6023 states and 7834 transitions. Word has length 276 [2023-04-02 10:08:44,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:08:44,266 INFO L495 AbstractCegarLoop]: Abstraction has 6023 states and 7834 transitions. [2023-04-02 10:08:44,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.4) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (30), 10 states have call predecessors, (30), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-02 10:08:44,266 INFO L276 IsEmpty]: Start isEmpty. Operand 6023 states and 7834 transitions. [2023-04-02 10:08:44,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2023-04-02 10:08:44,267 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:08:44,267 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:08:44,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-02 10:08:44,268 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:08:44,268 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:08:44,268 INFO L85 PathProgramCache]: Analyzing trace with hash -767248833, now seen corresponding path program 1 times [2023-04-02 10:08:44,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:08:44,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225637286] [2023-04-02 10:08:44,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:08:44,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:08:44,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:44,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:08:44,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:44,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:08:44,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:44,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:44,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:44,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:08:44,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:44,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 10:08:44,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:44,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:44,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:44,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:08:44,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:44,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 10:08:44,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:44,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:44,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:44,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:08:44,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:44,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 10:08:44,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:44,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:44,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:44,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:08:44,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:44,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 10:08:44,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:44,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:44,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:44,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:08:44,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:44,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-04-02 10:08:44,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:44,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:44,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:44,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:08:44,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:44,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-04-02 10:08:44,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:44,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:44,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:44,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:08:44,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:44,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 10:08:44,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:44,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-04-02 10:08:44,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:44,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:44,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:44,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-04-02 10:08:44,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:44,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:44,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:44,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-04-02 10:08:44,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:44,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:44,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:44,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-04-02 10:08:44,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:44,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:44,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:44,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-04-02 10:08:44,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:44,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:44,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:45,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-04-02 10:08:45,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:45,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:45,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:45,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-04-02 10:08:45,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:45,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:45,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:45,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-04-02 10:08:45,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:45,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:45,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:45,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-04-02 10:08:45,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:45,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:45,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:45,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-04-02 10:08:45,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:45,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2023-04-02 10:08:45,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:45,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:45,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:45,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:45,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:45,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:08:45,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:45,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:45,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:45,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:08:45,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:45,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:08:45,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:08:45,183 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2023-04-02 10:08:45,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:08:45,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225637286] [2023-04-02 10:08:45,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225637286] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:08:45,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 10:08:45,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-02 10:08:45,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601229072] [2023-04-02 10:08:45,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:08:45,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-02 10:08:45,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:08:45,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-02 10:08:45,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-04-02 10:08:45,185 INFO L87 Difference]: Start difference. First operand 6023 states and 7834 transitions. Second operand has 10 states, 10 states have (on average 6.5) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (30), 10 states have call predecessors, (30), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-02 10:09:00,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:09:00,514 INFO L93 Difference]: Finished difference Result 18736 states and 24617 transitions. [2023-04-02 10:09:00,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-04-02 10:09:00,514 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.5) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (30), 10 states have call predecessors, (30), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 277 [2023-04-02 10:09:00,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:09:00,555 INFO L225 Difference]: With dead ends: 18736 [2023-04-02 10:09:00,555 INFO L226 Difference]: Without dead ends: 12782 [2023-04-02 10:09:00,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=164, Invalid=342, Unknown=0, NotChecked=0, Total=506 [2023-04-02 10:09:00,573 INFO L413 NwaCegarLoop]: 350 mSDtfsCounter, 5987 mSDsluCounter, 610 mSDsCounter, 0 mSdLazyCounter, 4962 mSolverCounterSat, 4475 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6208 SdHoareTripleChecker+Valid, 960 SdHoareTripleChecker+Invalid, 9437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4475 IncrementalHoareTripleChecker+Valid, 4962 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2023-04-02 10:09:00,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6208 Valid, 960 Invalid, 9437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4475 Valid, 4962 Invalid, 0 Unknown, 0 Unchecked, 11.8s Time] [2023-04-02 10:09:00,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12782 states. [2023-04-02 10:09:03,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12782 to 11590. [2023-04-02 10:09:03,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11590 states, 7235 states have (on average 1.2597097442985488) internal successors, (9114), 7467 states have internal predecessors, (9114), 2996 states have call successors, (2996), 1381 states have call predecessors, (2996), 1358 states have return successors, (3010), 2910 states have call predecessors, (3010), 2978 states have call successors, (3010) [2023-04-02 10:09:03,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11590 states to 11590 states and 15120 transitions. [2023-04-02 10:09:03,048 INFO L78 Accepts]: Start accepts. Automaton has 11590 states and 15120 transitions. Word has length 277 [2023-04-02 10:09:03,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:09:03,048 INFO L495 AbstractCegarLoop]: Abstraction has 11590 states and 15120 transitions. [2023-04-02 10:09:03,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.5) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (30), 10 states have call predecessors, (30), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-02 10:09:03,048 INFO L276 IsEmpty]: Start isEmpty. Operand 11590 states and 15120 transitions. [2023-04-02 10:09:03,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2023-04-02 10:09:03,050 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:09:03,050 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:09:03,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-02 10:09:03,050 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:09:03,050 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:09:03,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1984103303, now seen corresponding path program 1 times [2023-04-02 10:09:03,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:09:03,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844938610] [2023-04-02 10:09:03,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:09:03,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:09:03,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:03,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:09:03,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:03,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:09:03,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:03,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:09:03,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:03,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:09:03,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:03,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 10:09:03,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:03,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:09:03,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:03,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:09:03,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:03,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 10:09:03,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:03,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:09:03,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:03,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:09:03,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:03,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 10:09:03,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:03,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:09:03,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:03,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:09:03,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:03,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 10:09:03,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:03,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:09:03,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:03,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:09:03,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:03,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-04-02 10:09:03,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:03,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:09:03,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:03,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:09:03,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:03,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-04-02 10:09:03,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:03,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:09:03,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:03,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:09:03,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:03,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 10:09:03,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:03,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-04-02 10:09:03,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:03,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:09:03,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:03,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-04-02 10:09:03,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:03,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:09:03,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:03,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-04-02 10:09:03,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:03,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:09:03,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:03,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-04-02 10:09:03,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:03,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:09:03,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:03,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-04-02 10:09:03,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:03,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:09:03,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:03,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-04-02 10:09:03,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:03,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:09:03,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:03,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-04-02 10:09:03,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:03,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:09:03,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:03,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-04-02 10:09:03,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:03,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:09:03,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:03,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-04-02 10:09:03,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:04,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:09:04,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:04,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-04-02 10:09:04,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:04,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2023-04-02 10:09:04,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:04,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:09:04,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:04,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:09:04,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:04,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:09:04,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:04,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:09:04,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:04,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:09:04,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:04,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:09:04,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:04,094 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2023-04-02 10:09:04,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:09:04,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844938610] [2023-04-02 10:09:04,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844938610] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:09:04,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 10:09:04,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-02 10:09:04,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424068286] [2023-04-02 10:09:04,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:09:04,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-02 10:09:04,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:09:04,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-02 10:09:04,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-04-02 10:09:04,097 INFO L87 Difference]: Start difference. First operand 11590 states and 15120 transitions. Second operand has 10 states, 10 states have (on average 6.6) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (30), 10 states have call predecessors, (30), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-02 10:09:17,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:09:17,571 INFO L93 Difference]: Finished difference Result 13884 states and 17863 transitions. [2023-04-02 10:09:17,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-04-02 10:09:17,573 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.6) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (30), 10 states have call predecessors, (30), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 278 [2023-04-02 10:09:17,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:09:17,618 INFO L225 Difference]: With dead ends: 13884 [2023-04-02 10:09:17,619 INFO L226 Difference]: Without dead ends: 13880 [2023-04-02 10:09:17,627 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=151, Invalid=311, Unknown=0, NotChecked=0, Total=462 [2023-04-02 10:09:17,629 INFO L413 NwaCegarLoop]: 322 mSDtfsCounter, 3543 mSDsluCounter, 710 mSDsCounter, 0 mSdLazyCounter, 4387 mSolverCounterSat, 2573 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3605 SdHoareTripleChecker+Valid, 1032 SdHoareTripleChecker+Invalid, 6960 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2573 IncrementalHoareTripleChecker+Valid, 4387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2023-04-02 10:09:17,629 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3605 Valid, 1032 Invalid, 6960 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2573 Valid, 4387 Invalid, 0 Unknown, 0 Unchecked, 9.3s Time] [2023-04-02 10:09:17,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13880 states. [2023-04-02 10:09:20,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13880 to 12710. [2023-04-02 10:09:20,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12710 states, 7981 states have (on average 1.2445808795890239) internal successors, (9933), 8207 states have internal predecessors, (9933), 3108 states have call successors, (3108), 1647 states have call predecessors, (3108), 1620 states have return successors, (3124), 3024 states have call predecessors, (3124), 3092 states have call successors, (3124) [2023-04-02 10:09:20,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12710 states to 12710 states and 16165 transitions. [2023-04-02 10:09:20,364 INFO L78 Accepts]: Start accepts. Automaton has 12710 states and 16165 transitions. Word has length 278 [2023-04-02 10:09:20,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:09:20,365 INFO L495 AbstractCegarLoop]: Abstraction has 12710 states and 16165 transitions. [2023-04-02 10:09:20,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.6) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (30), 10 states have call predecessors, (30), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-02 10:09:20,365 INFO L276 IsEmpty]: Start isEmpty. Operand 12710 states and 16165 transitions. [2023-04-02 10:09:20,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2023-04-02 10:09:20,366 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:09:20,366 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:09:20,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-04-02 10:09:20,366 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:09:20,367 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:09:20,367 INFO L85 PathProgramCache]: Analyzing trace with hash 1376678466, now seen corresponding path program 1 times [2023-04-02 10:09:20,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:09:20,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742204283] [2023-04-02 10:09:20,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:09:20,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:09:20,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:20,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:09:20,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:20,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:09:20,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:21,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:09:21,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:21,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:09:21,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:21,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 10:09:21,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:21,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:09:21,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:21,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:09:21,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:21,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 10:09:21,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:21,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:09:21,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:21,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:09:21,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:21,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 10:09:21,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:21,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:09:21,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:21,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:09:21,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:21,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 10:09:21,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:21,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:09:21,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:21,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:09:21,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:21,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-04-02 10:09:21,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:21,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:09:21,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:21,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:09:21,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:21,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-04-02 10:09:21,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:21,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:09:21,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:21,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:09:21,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:21,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 10:09:21,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:21,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-04-02 10:09:21,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:21,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:09:21,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:21,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-04-02 10:09:21,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:21,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:09:21,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:21,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-04-02 10:09:21,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:21,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:09:21,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:21,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-04-02 10:09:21,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:21,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:09:21,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:21,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-04-02 10:09:21,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:21,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:09:21,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:21,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-04-02 10:09:21,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:21,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:09:21,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:21,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-04-02 10:09:21,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:21,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:09:21,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:21,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-04-02 10:09:21,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:21,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:09:21,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:21,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-04-02 10:09:21,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:21,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:09:21,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:21,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-04-02 10:09:21,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:21,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2023-04-02 10:09:21,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:21,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:09:21,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:21,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:09:21,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:21,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:09:21,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:21,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:09:21,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:21,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:09:21,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:21,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:09:21,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:21,235 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2023-04-02 10:09:21,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:09:21,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742204283] [2023-04-02 10:09:21,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742204283] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:09:21,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 10:09:21,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-02 10:09:21,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741406243] [2023-04-02 10:09:21,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:09:21,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-02 10:09:21,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:09:21,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-02 10:09:21,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-04-02 10:09:21,238 INFO L87 Difference]: Start difference. First operand 12710 states and 16165 transitions. Second operand has 10 states, 10 states have (on average 6.7) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (30), 10 states have call predecessors, (30), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-02 10:09:42,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:09:42,281 INFO L93 Difference]: Finished difference Result 38083 states and 49189 transitions. [2023-04-02 10:09:42,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-04-02 10:09:42,282 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.7) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (30), 10 states have call predecessors, (30), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 279 [2023-04-02 10:09:42,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:09:42,380 INFO L225 Difference]: With dead ends: 38083 [2023-04-02 10:09:42,380 INFO L226 Difference]: Without dead ends: 25422 [2023-04-02 10:09:42,428 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=164, Invalid=342, Unknown=0, NotChecked=0, Total=506 [2023-04-02 10:09:42,429 INFO L413 NwaCegarLoop]: 346 mSDtfsCounter, 6193 mSDsluCounter, 731 mSDsCounter, 0 mSdLazyCounter, 5147 mSolverCounterSat, 4679 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6396 SdHoareTripleChecker+Valid, 1077 SdHoareTripleChecker+Invalid, 9826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4679 IncrementalHoareTripleChecker+Valid, 5147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.8s IncrementalHoareTripleChecker+Time [2023-04-02 10:09:42,430 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6396 Valid, 1077 Invalid, 9826 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4679 Valid, 5147 Invalid, 0 Unknown, 0 Unchecked, 13.8s Time] [2023-04-02 10:09:42,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25422 states. [2023-04-02 10:09:47,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25422 to 23169. [2023-04-02 10:09:47,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23169 states, 14658 states have (on average 1.2528994405785236) internal successors, (18365), 15093 states have internal predecessors, (18365), 5624 states have call successors, (5624), 2980 states have call predecessors, (5624), 2886 states have return successors, (5753), 5380 states have call predecessors, (5753), 5601 states have call successors, (5753) [2023-04-02 10:09:47,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23169 states to 23169 states and 29742 transitions. [2023-04-02 10:09:47,878 INFO L78 Accepts]: Start accepts. Automaton has 23169 states and 29742 transitions. Word has length 279 [2023-04-02 10:09:47,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:09:47,879 INFO L495 AbstractCegarLoop]: Abstraction has 23169 states and 29742 transitions. [2023-04-02 10:09:47,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.7) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (30), 10 states have call predecessors, (30), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-02 10:09:47,879 INFO L276 IsEmpty]: Start isEmpty. Operand 23169 states and 29742 transitions. [2023-04-02 10:09:47,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2023-04-02 10:09:47,888 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:09:47,888 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 10:09:47,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-04-02 10:09:47,889 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:09:47,889 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:09:47,889 INFO L85 PathProgramCache]: Analyzing trace with hash 794299825, now seen corresponding path program 1 times [2023-04-02 10:09:47,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:09:47,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462230862] [2023-04-02 10:09:47,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:09:47,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:09:47,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:48,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:09:48,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:48,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:09:48,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:48,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:09:48,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:48,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:09:48,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:48,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 10:09:48,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:48,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:09:48,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:48,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:09:48,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:48,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 10:09:48,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:48,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:09:48,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:48,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:09:48,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:48,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 10:09:48,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:48,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:09:48,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:48,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:09:48,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:48,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 10:09:48,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:48,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:09:48,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:48,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:09:48,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:48,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-04-02 10:09:48,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:48,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:09:48,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:48,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:09:48,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:48,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-04-02 10:09:48,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:48,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:09:48,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:48,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:09:48,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:48,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 10:09:48,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:48,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-04-02 10:09:48,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:48,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:09:48,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:48,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-04-02 10:09:48,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:48,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:09:48,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:48,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-04-02 10:09:48,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:48,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:09:48,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:48,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-04-02 10:09:48,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:48,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:09:48,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:48,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-04-02 10:09:48,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:48,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:09:48,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:48,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-04-02 10:09:48,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:48,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:09:48,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:48,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-04-02 10:09:48,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:48,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:09:48,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:48,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-04-02 10:09:48,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:48,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:09:48,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:48,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-04-02 10:09:48,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:48,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:09:48,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:48,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-04-02 10:09:48,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:48,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2023-04-02 10:09:48,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:48,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:09:48,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:48,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:09:48,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:48,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:09:48,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:48,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:09:48,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:48,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:09:48,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:48,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:09:48,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:48,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-04-02 10:09:48,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:48,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:09:48,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:48,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:09:48,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:48,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:09:48,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:48,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-02 10:09:48,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:48,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:09:48,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:48,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:09:48,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:48,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2023-04-02 10:09:48,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:48,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:09:48,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:48,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:09:48,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:48,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:09:48,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:48,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2023-04-02 10:09:48,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:09:48,964 INFO L134 CoverageAnalysis]: Checked inductivity of 957 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 954 trivial. 0 not checked. [2023-04-02 10:09:48,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:09:48,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462230862] [2023-04-02 10:09:48,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462230862] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:09:48,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 10:09:48,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-02 10:09:48,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676495329] [2023-04-02 10:09:48,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:09:48,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-02 10:09:48,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:09:48,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-02 10:09:48,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2023-04-02 10:09:48,966 INFO L87 Difference]: Start difference. First operand 23169 states and 29742 transitions. Second operand has 12 states, 12 states have (on average 8.25) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (40), 11 states have call predecessors, (40), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2023-04-02 10:10:16,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:10:16,386 INFO L93 Difference]: Finished difference Result 62290 states and 81274 transitions. [2023-04-02 10:10:16,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-04-02 10:10:16,386 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.25) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (40), 11 states have call predecessors, (40), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 355 [2023-04-02 10:10:16,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:10:16,503 INFO L225 Difference]: With dead ends: 62290 [2023-04-02 10:10:16,504 INFO L226 Difference]: Without dead ends: 39190 [2023-04-02 10:10:16,558 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2023-04-02 10:10:16,558 INFO L413 NwaCegarLoop]: 512 mSDtfsCounter, 7087 mSDsluCounter, 1881 mSDsCounter, 0 mSdLazyCounter, 9231 mSolverCounterSat, 5931 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7204 SdHoareTripleChecker+Valid, 2393 SdHoareTripleChecker+Invalid, 15162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5931 IncrementalHoareTripleChecker+Valid, 9231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.0s IncrementalHoareTripleChecker+Time [2023-04-02 10:10:16,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7204 Valid, 2393 Invalid, 15162 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5931 Valid, 9231 Invalid, 0 Unknown, 0 Unchecked, 17.0s Time] [2023-04-02 10:10:16,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39190 states. [2023-04-02 10:10:24,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39190 to 34573. [2023-04-02 10:10:24,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34573 states, 22076 states have (on average 1.2514495379597754) internal successors, (27627), 22719 states have internal predecessors, (27627), 8177 states have call successors, (8177), 4437 states have call predecessors, (8177), 4319 states have return successors, (8362), 7831 states have call predecessors, (8362), 8154 states have call successors, (8362) [2023-04-02 10:10:24,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34573 states to 34573 states and 44166 transitions. [2023-04-02 10:10:24,236 INFO L78 Accepts]: Start accepts. Automaton has 34573 states and 44166 transitions. Word has length 355 [2023-04-02 10:10:24,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:10:24,236 INFO L495 AbstractCegarLoop]: Abstraction has 34573 states and 44166 transitions. [2023-04-02 10:10:24,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.25) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (40), 11 states have call predecessors, (40), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2023-04-02 10:10:24,236 INFO L276 IsEmpty]: Start isEmpty. Operand 34573 states and 44166 transitions. [2023-04-02 10:10:24,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2023-04-02 10:10:24,241 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:10:24,241 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 10:10:24,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-04-02 10:10:24,241 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:10:24,241 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:10:24,242 INFO L85 PathProgramCache]: Analyzing trace with hash -1757095914, now seen corresponding path program 1 times [2023-04-02 10:10:24,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:10:24,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083581028] [2023-04-02 10:10:24,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:10:24,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:10:24,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:24,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:10:24,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:24,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:10:24,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:24,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:10:24,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:24,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:10:24,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:24,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 10:10:24,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:24,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:10:24,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:24,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:10:24,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:24,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 10:10:24,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:24,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:10:24,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:24,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:10:24,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:24,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 10:10:24,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:24,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:10:24,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:24,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:10:24,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:24,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 10:10:24,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:24,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:10:24,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:24,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:10:24,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:24,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-04-02 10:10:24,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:24,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:10:24,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:24,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:10:24,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:24,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-04-02 10:10:24,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:24,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:10:24,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:24,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:10:24,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:24,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 10:10:24,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:24,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-04-02 10:10:24,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:24,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:10:24,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:24,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-04-02 10:10:24,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:24,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:10:24,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:24,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-04-02 10:10:24,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:24,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:10:24,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:24,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-04-02 10:10:24,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:24,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:10:24,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:24,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-04-02 10:10:24,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:24,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:10:24,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:24,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-04-02 10:10:24,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:24,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:10:24,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:24,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-04-02 10:10:24,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:24,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:10:24,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:24,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-04-02 10:10:24,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:24,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:10:24,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:24,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-04-02 10:10:24,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:24,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:10:24,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:24,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-04-02 10:10:24,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:24,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2023-04-02 10:10:24,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:24,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:10:24,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:24,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:10:24,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:24,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:10:24,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:24,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:10:24,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:24,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:10:24,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:24,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:10:24,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:24,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2023-04-02 10:10:24,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:24,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:10:24,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:24,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:10:24,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:24,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:10:24,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:24,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:10:24,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:24,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-04-02 10:10:24,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:24,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2023-04-02 10:10:24,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:24,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:10:24,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:24,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2023-04-02 10:10:24,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:24,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2023-04-02 10:10:24,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:24,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:10:24,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:24,890 INFO L134 CoverageAnalysis]: Checked inductivity of 719 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2023-04-02 10:10:24,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:10:24,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083581028] [2023-04-02 10:10:24,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083581028] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:10:24,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 10:10:24,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-02 10:10:24,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943261295] [2023-04-02 10:10:24,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:10:24,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-02 10:10:24,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:10:24,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-02 10:10:24,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-04-02 10:10:24,891 INFO L87 Difference]: Start difference. First operand 34573 states and 44166 transitions. Second operand has 10 states, 10 states have (on average 11.6) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (43), 9 states have call predecessors, (43), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2023-04-02 10:10:38,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:10:38,944 INFO L93 Difference]: Finished difference Result 53910 states and 69082 transitions. [2023-04-02 10:10:38,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-04-02 10:10:38,944 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.6) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (43), 9 states have call predecessors, (43), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 352 [2023-04-02 10:10:38,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:10:38,995 INFO L225 Difference]: With dead ends: 53910 [2023-04-02 10:10:38,995 INFO L226 Difference]: Without dead ends: 19403 [2023-04-02 10:10:39,053 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=87, Invalid=153, Unknown=0, NotChecked=0, Total=240 [2023-04-02 10:10:39,053 INFO L413 NwaCegarLoop]: 332 mSDtfsCounter, 3089 mSDsluCounter, 1028 mSDsCounter, 0 mSdLazyCounter, 5436 mSolverCounterSat, 2745 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3314 SdHoareTripleChecker+Valid, 1360 SdHoareTripleChecker+Invalid, 8181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2745 IncrementalHoareTripleChecker+Valid, 5436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2023-04-02 10:10:39,053 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3314 Valid, 1360 Invalid, 8181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2745 Valid, 5436 Invalid, 0 Unknown, 0 Unchecked, 8.8s Time] [2023-04-02 10:10:39,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19403 states. [2023-04-02 10:10:42,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19403 to 17487. [2023-04-02 10:10:42,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17487 states, 11168 states have (on average 1.2532234957020056) internal successors, (13996), 11495 states have internal predecessors, (13996), 4136 states have call successors, (4136), 2247 states have call predecessors, (4136), 2182 states have return successors, (4217), 3954 states have call predecessors, (4217), 4113 states have call successors, (4217) [2023-04-02 10:10:42,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17487 states to 17487 states and 22349 transitions. [2023-04-02 10:10:42,911 INFO L78 Accepts]: Start accepts. Automaton has 17487 states and 22349 transitions. Word has length 352 [2023-04-02 10:10:42,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:10:42,912 INFO L495 AbstractCegarLoop]: Abstraction has 17487 states and 22349 transitions. [2023-04-02 10:10:42,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.6) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (43), 9 states have call predecessors, (43), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2023-04-02 10:10:42,912 INFO L276 IsEmpty]: Start isEmpty. Operand 17487 states and 22349 transitions. [2023-04-02 10:10:42,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2023-04-02 10:10:42,916 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:10:42,916 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 10:10:42,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-04-02 10:10:42,916 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:10:42,916 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:10:42,916 INFO L85 PathProgramCache]: Analyzing trace with hash -365680403, now seen corresponding path program 1 times [2023-04-02 10:10:42,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:10:42,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125591020] [2023-04-02 10:10:42,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:10:42,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:10:42,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:43,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:10:43,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:43,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:10:43,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:43,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:10:43,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:43,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:10:43,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:43,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 10:10:43,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:43,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:10:43,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:43,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:10:43,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:43,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 10:10:43,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:43,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:10:43,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:43,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:10:43,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:43,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 10:10:43,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:43,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:10:43,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:43,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:10:43,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:43,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 10:10:43,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:43,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:10:43,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:43,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:10:43,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:43,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-04-02 10:10:43,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:43,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:10:43,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:43,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:10:43,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:43,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-04-02 10:10:43,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:43,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:10:43,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:43,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:10:43,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:43,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 10:10:43,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:43,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-04-02 10:10:43,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:43,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:10:43,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:43,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-04-02 10:10:43,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:43,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:10:43,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:43,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-04-02 10:10:43,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:43,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:10:43,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:43,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-04-02 10:10:43,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:43,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:10:43,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:43,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-04-02 10:10:43,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:43,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:10:43,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:43,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-04-02 10:10:43,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:43,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:10:43,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:43,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-04-02 10:10:43,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:43,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:10:43,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:43,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-04-02 10:10:43,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:43,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:10:43,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:43,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-04-02 10:10:43,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:43,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:10:43,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:43,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-04-02 10:10:43,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:43,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2023-04-02 10:10:43,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:43,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:10:43,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:43,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:10:43,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:43,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:10:43,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:43,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:10:43,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:43,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:10:43,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:43,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:10:43,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:43,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-04-02 10:10:43,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:43,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:10:43,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:43,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:10:43,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:43,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:10:43,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:43,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-02 10:10:43,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:43,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:10:43,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:43,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:10:43,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:43,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2023-04-02 10:10:43,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:43,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2023-04-02 10:10:43,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:43,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:10:43,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:43,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 10:10:43,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:43,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2023-04-02 10:10:43,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:43,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:10:43,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:43,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:10:43,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:43,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:10:43,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:43,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:10:43,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:10:43,712 INFO L134 CoverageAnalysis]: Checked inductivity of 957 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 957 trivial. 0 not checked. [2023-04-02 10:10:43,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:10:43,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125591020] [2023-04-02 10:10:43,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125591020] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:10:43,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 10:10:43,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-02 10:10:43,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799574819] [2023-04-02 10:10:43,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:10:43,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-02 10:10:43,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:10:43,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-02 10:10:43,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2023-04-02 10:10:43,714 INFO L87 Difference]: Start difference. First operand 17487 states and 22349 transitions. Second operand has 12 states, 12 states have (on average 8.75) internal successors, (105), 3 states have internal predecessors, (105), 3 states have call successors, (44), 12 states have call predecessors, (44), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39)