/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-input-tablet-kbtab.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 07:12:21,002 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 07:12:21,004 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 07:12:21,022 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 07:12:21,023 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 07:12:21,023 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 07:12:21,024 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 07:12:21,025 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 07:12:21,026 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 07:12:21,027 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 07:12:21,027 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 07:12:21,028 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 07:12:21,028 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 07:12:21,029 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 07:12:21,030 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 07:12:21,030 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 07:12:21,031 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 07:12:21,032 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 07:12:21,033 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 07:12:21,034 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 07:12:21,034 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 07:12:21,035 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 07:12:21,036 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 07:12:21,037 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 07:12:21,039 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 07:12:21,039 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 07:12:21,039 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 07:12:21,040 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 07:12:21,040 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 07:12:21,040 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 07:12:21,041 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 07:12:21,041 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 07:12:21,042 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 07:12:21,042 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 07:12:21,043 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 07:12:21,043 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 07:12:21,043 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 07:12:21,044 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 07:12:21,044 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 07:12:21,044 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 07:12:21,045 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 07:12:21,046 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 07:12:21,070 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 07:12:21,071 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 07:12:21,072 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 07:12:21,072 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 07:12:21,073 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 07:12:21,073 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 07:12:21,073 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 07:12:21,073 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 07:12:21,073 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 07:12:21,074 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 07:12:21,074 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 07:12:21,074 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 07:12:21,074 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 07:12:21,074 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 07:12:21,074 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 07:12:21,074 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 07:12:21,075 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 07:12:21,075 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 07:12:21,075 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 07:12:21,075 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 07:12:21,075 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 07:12:21,075 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 07:12:21,075 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 07:12:21,075 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 07:12:21,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 07:12:21,075 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 07:12:21,075 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 07:12:21,076 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 07:12:21,076 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 07:12:21,076 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 07:12:21,076 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 07:12:21,076 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 07:12:21,076 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 07:12:21,076 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 07:12:21,076 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 07:12:21,076 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 07:12:21,267 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 07:12:21,285 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 07:12:21,287 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 07:12:21,288 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 07:12:21,289 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 07:12:21,290 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-input-tablet-kbtab.ko.cil.out.i [2023-04-02 07:12:22,407 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 07:12:22,815 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 07:12:22,815 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-input-tablet-kbtab.ko.cil.out.i [2023-04-02 07:12:22,837 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/feeeb3a02/0e3f9095f0d94f6db62e87621e97ee62/FLAG62f1ed6a5 [2023-04-02 07:12:22,852 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/feeeb3a02/0e3f9095f0d94f6db62e87621e97ee62 [2023-04-02 07:12:22,854 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 07:12:22,856 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 07:12:22,858 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 07:12:22,858 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 07:12:22,860 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 07:12:22,861 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 07:12:22" (1/1) ... [2023-04-02 07:12:22,862 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e8fc82a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:12:22, skipping insertion in model container [2023-04-02 07:12:22,862 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 07:12:22" (1/1) ... [2023-04-02 07:12:22,868 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 07:12:22,952 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 07:12:23,552 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-input-tablet-kbtab.ko.cil.out.i[115804,115817] [2023-04-02 07:12:23,588 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 07:12:23,619 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 07:12:23,778 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-input-tablet-kbtab.ko.cil.out.i[115804,115817] [2023-04-02 07:12:23,787 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 07:12:23,817 INFO L208 MainTranslator]: Completed translation [2023-04-02 07:12:23,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:12:23 WrapperNode [2023-04-02 07:12:23,818 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 07:12:23,819 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 07:12:23,819 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 07:12:23,819 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 07:12:23,827 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:12:23" (1/1) ... [2023-04-02 07:12:23,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:12:23" (1/1) ... [2023-04-02 07:12:23,860 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:12:23" (1/1) ... [2023-04-02 07:12:23,860 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:12:23" (1/1) ... [2023-04-02 07:12:23,906 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:12:23" (1/1) ... [2023-04-02 07:12:23,912 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:12:23" (1/1) ... [2023-04-02 07:12:23,917 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:12:23" (1/1) ... [2023-04-02 07:12:23,921 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:12:23" (1/1) ... [2023-04-02 07:12:23,929 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 07:12:23,930 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 07:12:23,930 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 07:12:23,930 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 07:12:23,931 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:12:23" (1/1) ... [2023-04-02 07:12:23,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 07:12:23,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 07:12:23,979 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 07:12:24,013 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 07:12:24,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 07:12:24,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 07:12:24,023 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 07:12:24,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2023-04-02 07:12:24,024 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-04-02 07:12:24,024 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-04-02 07:12:24,024 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2023-04-02 07:12:24,024 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2023-04-02 07:12:24,024 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2023-04-02 07:12:24,024 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2023-04-02 07:12:24,024 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2023-04-02 07:12:24,024 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2023-04-02 07:12:24,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-04-02 07:12:24,024 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2023-04-02 07:12:24,024 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2023-04-02 07:12:24,024 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2023-04-02 07:12:24,024 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2023-04-02 07:12:24,024 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2023-04-02 07:12:24,025 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2023-04-02 07:12:24,025 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_to_input_id [2023-04-02 07:12:24,025 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2023-04-02 07:12:24,025 INFO L138 BoogieDeclarations]: Found implementation of procedure kbtab_irq [2023-04-02 07:12:24,025 INFO L138 BoogieDeclarations]: Found implementation of procedure kbtab_open [2023-04-02 07:12:24,025 INFO L138 BoogieDeclarations]: Found implementation of procedure kbtab_close [2023-04-02 07:12:24,025 INFO L138 BoogieDeclarations]: Found implementation of procedure kbtab_probe [2023-04-02 07:12:24,025 INFO L138 BoogieDeclarations]: Found implementation of procedure kbtab_disconnect [2023-04-02 07:12:24,025 INFO L138 BoogieDeclarations]: Found implementation of procedure kbtab_init [2023-04-02 07:12:24,025 INFO L138 BoogieDeclarations]: Found implementation of procedure kbtab_exit [2023-04-02 07:12:24,025 INFO L138 BoogieDeclarations]: Found implementation of procedure init_module [2023-04-02 07:12:24,025 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_module [2023-04-02 07:12:24,025 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 07:12:24,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2023-04-02 07:12:24,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2023-04-02 07:12:24,025 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2023-04-02 07:12:24,025 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2023-04-02 07:12:24,026 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2023-04-02 07:12:24,026 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-04-02 07:12:24,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-02 07:12:24,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-02 07:12:24,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-04-02 07:12:24,026 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-04-02 07:12:24,026 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-04-02 07:12:24,026 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2023-04-02 07:12:24,027 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2023-04-02 07:12:24,027 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2023-04-02 07:12:24,027 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2023-04-02 07:12:24,027 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2023-04-02 07:12:24,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2023-04-02 07:12:24,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-02 07:12:24,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2023-04-02 07:12:24,027 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-02 07:12:24,027 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2023-04-02 07:12:24,028 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2023-04-02 07:12:24,028 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-04-02 07:12:24,028 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2023-04-02 07:12:24,028 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2023-04-02 07:12:24,029 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-02 07:12:24,029 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 07:12:24,029 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 07:12:24,029 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-02 07:12:24,029 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-02 07:12:24,029 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 07:12:24,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 07:12:24,029 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2023-04-02 07:12:24,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 07:12:24,030 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-02 07:12:24,030 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2023-04-02 07:12:24,030 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2023-04-02 07:12:24,030 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-02 07:12:24,030 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-04-02 07:12:24,030 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-04-02 07:12:24,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-02 07:12:24,030 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-04-02 07:12:24,030 INFO L130 BoogieDeclarations]: Found specification of procedure init_module [2023-04-02 07:12:24,030 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_module [2023-04-02 07:12:24,030 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-04-02 07:12:24,030 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-04-02 07:12:24,030 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2023-04-02 07:12:24,030 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2023-04-02 07:12:24,030 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2023-04-02 07:12:24,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 07:12:24,031 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2023-04-02 07:12:24,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 07:12:24,031 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2023-04-02 07:12:24,031 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2023-04-02 07:12:24,031 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2023-04-02 07:12:24,031 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2023-04-02 07:12:24,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 07:12:24,032 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2023-04-02 07:12:24,032 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-04-02 07:12:24,032 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2023-04-02 07:12:24,032 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-04-02 07:12:24,032 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2023-04-02 07:12:24,032 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2023-04-02 07:12:24,032 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-04-02 07:12:24,032 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2023-04-02 07:12:24,032 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2023-04-02 07:12:24,032 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2023-04-02 07:12:24,032 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2023-04-02 07:12:24,032 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2023-04-02 07:12:24,033 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2023-04-02 07:12:24,033 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2023-04-02 07:12:24,033 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2023-04-02 07:12:24,033 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2023-04-02 07:12:24,033 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2023-04-02 07:12:24,033 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2023-04-02 07:12:24,033 INFO L130 BoogieDeclarations]: Found specification of procedure usb_to_input_id [2023-04-02 07:12:24,033 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2023-04-02 07:12:24,033 INFO L130 BoogieDeclarations]: Found specification of procedure kbtab_irq [2023-04-02 07:12:24,034 INFO L130 BoogieDeclarations]: Found specification of procedure kbtab_open [2023-04-02 07:12:24,034 INFO L130 BoogieDeclarations]: Found specification of procedure kbtab_close [2023-04-02 07:12:24,034 INFO L130 BoogieDeclarations]: Found specification of procedure kbtab_probe [2023-04-02 07:12:24,034 INFO L130 BoogieDeclarations]: Found specification of procedure kbtab_disconnect [2023-04-02 07:12:24,034 INFO L130 BoogieDeclarations]: Found specification of procedure kbtab_init [2023-04-02 07:12:24,034 INFO L130 BoogieDeclarations]: Found specification of procedure kbtab_exit [2023-04-02 07:12:24,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-02 07:12:24,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2023-04-02 07:12:24,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-02 07:12:24,034 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 07:12:24,034 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 07:12:24,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2023-04-02 07:12:24,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2023-04-02 07:12:24,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2023-04-02 07:12:24,035 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-04-02 07:12:24,036 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 07:12:24,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-02 07:12:24,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 07:12:24,036 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-02 07:12:24,037 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 07:12:24,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 07:12:24,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 07:12:24,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 07:12:24,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-02 07:12:24,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 07:12:24,320 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 07:12:24,323 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 07:12:24,392 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-04-02 07:12:24,423 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2023-04-02 07:12:24,423 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2023-04-02 07:12:24,711 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-04-02 07:12:24,776 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2023-04-02 07:12:24,776 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2023-04-02 07:12:24,886 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2023-04-02 07:12:25,145 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 07:12:25,157 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 07:12:25,158 INFO L302 CfgBuilder]: Removed 7 assume(true) statements. [2023-04-02 07:12:25,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 07:12:25 BoogieIcfgContainer [2023-04-02 07:12:25,161 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 07:12:25,163 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 07:12:25,163 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 07:12:25,165 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 07:12:25,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 07:12:22" (1/3) ... [2023-04-02 07:12:25,166 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ea06f33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 07:12:25, skipping insertion in model container [2023-04-02 07:12:25,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:12:23" (2/3) ... [2023-04-02 07:12:25,167 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ea06f33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 07:12:25, skipping insertion in model container [2023-04-02 07:12:25,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 07:12:25" (3/3) ... [2023-04-02 07:12:25,168 INFO L112 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-input-tablet-kbtab.ko.cil.out.i [2023-04-02 07:12:25,180 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 07:12:25,180 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 07:12:25,227 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 07:12:25,232 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;@2dabd983, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 07:12:25,232 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 07:12:25,236 INFO L276 IsEmpty]: Start isEmpty. Operand has 317 states, 208 states have (on average 1.2884615384615385) internal successors, (268), 216 states have internal predecessors, (268), 59 states have call successors, (59), 43 states have call predecessors, (59), 42 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2023-04-02 07:12:25,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-04-02 07:12:25,241 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:12:25,241 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 07:12:25,242 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:12:25,245 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:12:25,245 INFO L85 PathProgramCache]: Analyzing trace with hash 2070352395, now seen corresponding path program 1 times [2023-04-02 07:12:25,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:12:25,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067778918] [2023-04-02 07:12:25,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:12:25,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:12:25,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:25,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:12:25,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:25,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:12:25,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:25,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:12:25,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:25,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:25,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:25,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:25,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:25,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 07:12:25,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:12:25,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067778918] [2023-04-02 07:12:25,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067778918] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:12:25,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 07:12:25,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-02 07:12:25,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421261101] [2023-04-02 07:12:25,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:12:25,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-02 07:12:25,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:12:26,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-02 07:12:26,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-02 07:12:26,005 INFO L87 Difference]: Start difference. First operand has 317 states, 208 states have (on average 1.2884615384615385) internal successors, (268), 216 states have internal predecessors, (268), 59 states have call successors, (59), 43 states have call predecessors, (59), 42 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 3 states have call successors, (8), 4 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-04-02 07:12:28,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:12:28,159 INFO L93 Difference]: Finished difference Result 905 states and 1219 transitions. [2023-04-02 07:12:28,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-02 07:12:28,161 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 3 states have call successors, (8), 4 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 31 [2023-04-02 07:12:28,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:12:28,186 INFO L225 Difference]: With dead ends: 905 [2023-04-02 07:12:28,186 INFO L226 Difference]: Without dead ends: 638 [2023-04-02 07:12:28,190 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-04-02 07:12:28,192 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 632 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 774 mSolverCounterSat, 226 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 682 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 1000 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 226 IncrementalHoareTripleChecker+Valid, 774 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-04-02 07:12:28,193 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [682 Valid, 201 Invalid, 1000 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [226 Valid, 774 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-04-02 07:12:28,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 638 states. [2023-04-02 07:12:28,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 638 to 566. [2023-04-02 07:12:28,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 379 states have (on average 1.2163588390501319) internal successors, (461), 387 states have internal predecessors, (461), 113 states have call successors, (113), 72 states have call predecessors, (113), 73 states have return successors, (118), 107 states have call predecessors, (118), 106 states have call successors, (118) [2023-04-02 07:12:28,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 692 transitions. [2023-04-02 07:12:28,358 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 692 transitions. Word has length 31 [2023-04-02 07:12:28,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:12:28,358 INFO L495 AbstractCegarLoop]: Abstraction has 566 states and 692 transitions. [2023-04-02 07:12:28,358 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 3 states have call successors, (8), 4 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-04-02 07:12:28,358 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 692 transitions. [2023-04-02 07:12:28,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-04-02 07:12:28,359 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:12:28,359 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 07:12:28,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 07:12:28,359 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:12:28,359 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:12:28,359 INFO L85 PathProgramCache]: Analyzing trace with hash -243785683, now seen corresponding path program 1 times [2023-04-02 07:12:28,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:12:28,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364961187] [2023-04-02 07:12:28,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:12:28,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:12:28,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:28,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:12:28,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:28,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:12:28,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:28,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:12:28,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:28,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:28,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:28,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:28,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:28,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 07:12:28,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:12:28,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364961187] [2023-04-02 07:12:28,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364961187] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:12:28,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 07:12:28,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-02 07:12:28,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280422592] [2023-04-02 07:12:28,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:12:28,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-02 07:12:28,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:12:28,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-02 07:12:28,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-02 07:12:28,677 INFO L87 Difference]: Start difference. First operand 566 states and 692 transitions. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 3 states have call successors, (8), 4 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-04-02 07:12:30,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:12:30,682 INFO L93 Difference]: Finished difference Result 1698 states and 2118 transitions. [2023-04-02 07:12:30,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-02 07:12:30,683 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 3 states have call successors, (8), 4 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 32 [2023-04-02 07:12:30,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:12:30,690 INFO L225 Difference]: With dead ends: 1698 [2023-04-02 07:12:30,692 INFO L226 Difference]: Without dead ends: 1154 [2023-04-02 07:12:30,696 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-04-02 07:12:30,698 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 580 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 810 mSolverCounterSat, 190 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 629 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 1000 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 190 IncrementalHoareTripleChecker+Valid, 810 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-04-02 07:12:30,698 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [629 Valid, 240 Invalid, 1000 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [190 Valid, 810 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-04-02 07:12:30,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1154 states. [2023-04-02 07:12:30,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1154 to 1131. [2023-04-02 07:12:30,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1131 states, 764 states have (on average 1.2159685863874345) internal successors, (929), 775 states have internal predecessors, (929), 227 states have call successors, (227), 133 states have call predecessors, (227), 139 states have return successors, (249), 222 states have call predecessors, (249), 219 states have call successors, (249) [2023-04-02 07:12:30,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 1131 states and 1405 transitions. [2023-04-02 07:12:30,879 INFO L78 Accepts]: Start accepts. Automaton has 1131 states and 1405 transitions. Word has length 32 [2023-04-02 07:12:30,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:12:30,879 INFO L495 AbstractCegarLoop]: Abstraction has 1131 states and 1405 transitions. [2023-04-02 07:12:30,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 3 states have call successors, (8), 4 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-04-02 07:12:30,879 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states and 1405 transitions. [2023-04-02 07:12:30,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-04-02 07:12:30,881 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:12:30,881 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 07:12:30,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-02 07:12:30,881 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:12:30,882 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:12:30,882 INFO L85 PathProgramCache]: Analyzing trace with hash -958013900, now seen corresponding path program 1 times [2023-04-02 07:12:30,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:12:30,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236295785] [2023-04-02 07:12:30,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:12:30,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:12:30,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:31,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:12:31,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:31,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:12:31,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:31,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:12:31,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:31,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:31,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:31,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:31,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:31,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-04-02 07:12:31,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:31,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:31,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:31,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:31,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:31,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-04-02 07:12:31,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:31,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:31,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:31,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-04-02 07:12:31,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:31,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 07:12:31,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:12:31,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236295785] [2023-04-02 07:12:31,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236295785] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:12:31,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 07:12:31,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-02 07:12:31,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951039867] [2023-04-02 07:12:31,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:12:31,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-02 07:12:31,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:12:31,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-02 07:12:31,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-04-02 07:12:31,217 INFO L87 Difference]: Start difference. First operand 1131 states and 1405 transitions. Second operand has 8 states, 8 states have (on average 6.125) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (15), 4 states have call predecessors, (15), 2 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2023-04-02 07:12:33,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:12:33,890 INFO L93 Difference]: Finished difference Result 2887 states and 3809 transitions. [2023-04-02 07:12:33,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-02 07:12:33,890 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (15), 4 states have call predecessors, (15), 2 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) Word has length 75 [2023-04-02 07:12:33,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:12:33,898 INFO L225 Difference]: With dead ends: 2887 [2023-04-02 07:12:33,898 INFO L226 Difference]: Without dead ends: 1783 [2023-04-02 07:12:33,900 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2023-04-02 07:12:33,901 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 443 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 2290 mSolverCounterSat, 222 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 484 SdHoareTripleChecker+Valid, 616 SdHoareTripleChecker+Invalid, 2512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 222 IncrementalHoareTripleChecker+Valid, 2290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-04-02 07:12:33,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [484 Valid, 616 Invalid, 2512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [222 Valid, 2290 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-04-02 07:12:33,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1783 states. [2023-04-02 07:12:34,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1783 to 1131. [2023-04-02 07:12:34,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1131 states, 764 states have (on average 1.2146596858638743) internal successors, (928), 775 states have internal predecessors, (928), 227 states have call successors, (227), 133 states have call predecessors, (227), 139 states have return successors, (249), 222 states have call predecessors, (249), 219 states have call successors, (249) [2023-04-02 07:12:34,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 1131 states and 1404 transitions. [2023-04-02 07:12:34,068 INFO L78 Accepts]: Start accepts. Automaton has 1131 states and 1404 transitions. Word has length 75 [2023-04-02 07:12:34,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:12:34,068 INFO L495 AbstractCegarLoop]: Abstraction has 1131 states and 1404 transitions. [2023-04-02 07:12:34,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (15), 4 states have call predecessors, (15), 2 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2023-04-02 07:12:34,069 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states and 1404 transitions. [2023-04-02 07:12:34,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-04-02 07:12:34,070 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:12:34,070 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 07:12:34,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-02 07:12:34,071 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:12:34,071 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:12:34,071 INFO L85 PathProgramCache]: Analyzing trace with hash -795716222, now seen corresponding path program 1 times [2023-04-02 07:12:34,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:12:34,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886965761] [2023-04-02 07:12:34,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:12:34,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:12:34,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:34,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:12:34,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:34,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:12:34,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:34,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:12:34,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:34,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:34,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:34,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:34,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:34,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 07:12:34,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:34,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 07:12:34,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:34,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:34,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:34,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:34,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:34,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-04-02 07:12:34,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:34,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:34,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:34,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-04-02 07:12:34,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:34,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 07:12:34,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:12:34,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886965761] [2023-04-02 07:12:34,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886965761] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:12:34,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 07:12:34,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-02 07:12:34,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872844983] [2023-04-02 07:12:34,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:12:34,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-02 07:12:34,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:12:34,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-02 07:12:34,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-02 07:12:34,288 INFO L87 Difference]: Start difference. First operand 1131 states and 1404 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-04-02 07:12:36,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:12:36,124 INFO L93 Difference]: Finished difference Result 2927 states and 3876 transitions. [2023-04-02 07:12:36,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-02 07:12:36,125 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 80 [2023-04-02 07:12:36,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:12:36,134 INFO L225 Difference]: With dead ends: 2927 [2023-04-02 07:12:36,134 INFO L226 Difference]: Without dead ends: 1826 [2023-04-02 07:12:36,138 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-04-02 07:12:36,142 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 457 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 1116 mSolverCounterSat, 235 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 498 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 1351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 235 IncrementalHoareTripleChecker+Valid, 1116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-04-02 07:12:36,142 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [498 Valid, 314 Invalid, 1351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [235 Valid, 1116 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-04-02 07:12:36,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1826 states. [2023-04-02 07:12:36,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1826 to 1166. [2023-04-02 07:12:36,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1166 states, 799 states have (on average 1.219023779724656) internal successors, (974), 810 states have internal predecessors, (974), 227 states have call successors, (227), 133 states have call predecessors, (227), 139 states have return successors, (249), 222 states have call predecessors, (249), 219 states have call successors, (249) [2023-04-02 07:12:36,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1166 states to 1166 states and 1450 transitions. [2023-04-02 07:12:36,354 INFO L78 Accepts]: Start accepts. Automaton has 1166 states and 1450 transitions. Word has length 80 [2023-04-02 07:12:36,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:12:36,355 INFO L495 AbstractCegarLoop]: Abstraction has 1166 states and 1450 transitions. [2023-04-02 07:12:36,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-04-02 07:12:36,355 INFO L276 IsEmpty]: Start isEmpty. Operand 1166 states and 1450 transitions. [2023-04-02 07:12:36,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-04-02 07:12:36,357 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:12:36,357 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 07:12:36,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-02 07:12:36,357 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:12:36,358 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:12:36,358 INFO L85 PathProgramCache]: Analyzing trace with hash 1118010508, now seen corresponding path program 1 times [2023-04-02 07:12:36,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:12:36,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945934475] [2023-04-02 07:12:36,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:12:36,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:12:36,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:36,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:12:36,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:36,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:12:36,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:36,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:12:36,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:36,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:36,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:36,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:36,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:36,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 07:12:36,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:36,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-04-02 07:12:36,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:36,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-04-02 07:12:36,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:36,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:12:36,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:36,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:36,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:36,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:36,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:36,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-04-02 07:12:36,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:36,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:12:36,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:37,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:12:37,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:37,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:37,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:37,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:37,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:37,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-04-02 07:12:37,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:37,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:12:37,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:37,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:12:37,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:37,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-04-02 07:12:37,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:37,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:12:37,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:37,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:12:37,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:37,061 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2023-04-02 07:12:37,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:12:37,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945934475] [2023-04-02 07:12:37,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945934475] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 07:12:37,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1936406556] [2023-04-02 07:12:37,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:12:37,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 07:12:37,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 07:12:37,064 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 07:12:37,125 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-02 07:12:37,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:37,496 INFO L262 TraceCheckSpWp]: Trace formula consists of 1501 conjuncts, 25 conjunts are in the unsatisfiable core [2023-04-02 07:12:37,506 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 07:12:37,638 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-04-02 07:12:37,638 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 07:12:37,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1936406556] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:12:37,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 07:12:37,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2023-04-02 07:12:37,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191264455] [2023-04-02 07:12:37,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:12:37,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-02 07:12:37,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:12:37,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-02 07:12:37,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2023-04-02 07:12:37,640 INFO L87 Difference]: Start difference. First operand 1166 states and 1450 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2023-04-02 07:12:37,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:12:37,771 INFO L93 Difference]: Finished difference Result 1818 states and 2239 transitions. [2023-04-02 07:12:37,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-02 07:12:37,772 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) Word has length 140 [2023-04-02 07:12:37,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:12:37,775 INFO L225 Difference]: With dead ends: 1818 [2023-04-02 07:12:37,775 INFO L226 Difference]: Without dead ends: 684 [2023-04-02 07:12:37,778 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2023-04-02 07:12:37,779 INFO L413 NwaCegarLoop]: 316 mSDtfsCounter, 0 mSDsluCounter, 944 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1260 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-02 07:12:37,779 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1260 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 07:12:37,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2023-04-02 07:12:37,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 678. [2023-04-02 07:12:37,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 678 states, 459 states have (on average 1.196078431372549) internal successors, (549), 465 states have internal predecessors, (549), 125 states have call successors, (125), 92 states have call predecessors, (125), 93 states have return successors, (128), 120 states have call predecessors, (128), 118 states have call successors, (128) [2023-04-02 07:12:37,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 678 states and 802 transitions. [2023-04-02 07:12:37,864 INFO L78 Accepts]: Start accepts. Automaton has 678 states and 802 transitions. Word has length 140 [2023-04-02 07:12:37,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:12:37,864 INFO L495 AbstractCegarLoop]: Abstraction has 678 states and 802 transitions. [2023-04-02 07:12:37,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2023-04-02 07:12:37,865 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 802 transitions. [2023-04-02 07:12:37,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-04-02 07:12:37,867 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:12:37,867 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 07:12:37,885 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-04-02 07:12:38,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 07:12:38,079 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:12:38,079 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:12:38,080 INFO L85 PathProgramCache]: Analyzing trace with hash -821355745, now seen corresponding path program 1 times [2023-04-02 07:12:38,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:12:38,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65636047] [2023-04-02 07:12:38,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:12:38,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:12:38,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:38,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:12:38,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:38,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:12:38,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:38,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:12:38,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:38,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:38,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:38,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:38,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:38,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 07:12:38,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:38,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 07:12:38,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:38,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:38,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:38,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:12:38,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:38,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:12:38,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:38,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:38,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:38,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:38,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:38,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-04-02 07:12:38,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:38,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:12:38,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:38,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:12:38,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:38,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:38,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:38,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:38,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:38,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-04-02 07:12:38,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:38,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:12:38,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:38,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:12:38,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:38,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-04-02 07:12:38,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:38,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-04-02 07:12:38,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:38,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-04-02 07:12:38,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:38,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-04-02 07:12:38,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:38,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:12:38,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:38,935 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-04-02 07:12:38,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:12:38,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65636047] [2023-04-02 07:12:38,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65636047] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:12:38,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 07:12:38,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-02 07:12:38,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577045468] [2023-04-02 07:12:38,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:12:38,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-02 07:12:38,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:12:38,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-02 07:12:38,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2023-04-02 07:12:38,937 INFO L87 Difference]: Start difference. First operand 678 states and 802 transitions. Second operand has 12 states, 12 states have (on average 6.25) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (25), 7 states have call predecessors, (25), 4 states have return successors, (22), 4 states have call predecessors, (22), 3 states have call successors, (22) [2023-04-02 07:12:41,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:12:41,748 INFO L93 Difference]: Finished difference Result 1388 states and 1717 transitions. [2023-04-02 07:12:41,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-04-02 07:12:41,749 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.25) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (25), 7 states have call predecessors, (25), 4 states have return successors, (22), 4 states have call predecessors, (22), 3 states have call successors, (22) Word has length 142 [2023-04-02 07:12:41,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:12:41,753 INFO L225 Difference]: With dead ends: 1388 [2023-04-02 07:12:41,754 INFO L226 Difference]: Without dead ends: 878 [2023-04-02 07:12:41,755 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=96, Invalid=284, Unknown=0, NotChecked=0, Total=380 [2023-04-02 07:12:41,756 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 491 mSDsluCounter, 563 mSDsCounter, 0 mSdLazyCounter, 1741 mSolverCounterSat, 291 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 500 SdHoareTripleChecker+Valid, 668 SdHoareTripleChecker+Invalid, 2032 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 291 IncrementalHoareTripleChecker+Valid, 1741 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-04-02 07:12:41,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [500 Valid, 668 Invalid, 2032 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [291 Valid, 1741 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-04-02 07:12:41,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 878 states. [2023-04-02 07:12:41,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 878 to 699. [2023-04-02 07:12:41,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 699 states, 474 states have (on average 1.1898734177215189) internal successors, (564), 480 states have internal predecessors, (564), 125 states have call successors, (125), 92 states have call predecessors, (125), 99 states have return successors, (142), 126 states have call predecessors, (142), 118 states have call successors, (142) [2023-04-02 07:12:41,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 831 transitions. [2023-04-02 07:12:41,833 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 831 transitions. Word has length 142 [2023-04-02 07:12:41,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:12:41,833 INFO L495 AbstractCegarLoop]: Abstraction has 699 states and 831 transitions. [2023-04-02 07:12:41,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.25) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (25), 7 states have call predecessors, (25), 4 states have return successors, (22), 4 states have call predecessors, (22), 3 states have call successors, (22) [2023-04-02 07:12:41,834 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 831 transitions. [2023-04-02 07:12:41,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-04-02 07:12:41,835 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:12:41,835 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 07:12:41,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-02 07:12:41,835 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:12:41,836 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:12:41,836 INFO L85 PathProgramCache]: Analyzing trace with hash 1537951264, now seen corresponding path program 1 times [2023-04-02 07:12:41,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:12:41,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618772334] [2023-04-02 07:12:41,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:12:41,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:12:41,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:42,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:12:42,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:42,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:12:42,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:42,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:12:42,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:42,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:42,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:42,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:42,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:42,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 07:12:42,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:42,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 07:12:42,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:42,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:42,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:42,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:12:42,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:42,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:12:42,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:42,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:42,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:42,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:42,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:42,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-04-02 07:12:42,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:42,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:12:42,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:42,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:12:42,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:42,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:42,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:42,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:42,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:42,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-04-02 07:12:42,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:42,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:12:42,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:42,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:12:42,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:42,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-04-02 07:12:42,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:42,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-04-02 07:12:42,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:42,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-04-02 07:12:42,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:42,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-04-02 07:12:42,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:42,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:12:42,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:42,753 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-04-02 07:12:42,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:12:42,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618772334] [2023-04-02 07:12:42,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618772334] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:12:42,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 07:12:42,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-04-02 07:12:42,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043467042] [2023-04-02 07:12:42,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:12:42,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-04-02 07:12:42,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:12:42,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-04-02 07:12:42,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2023-04-02 07:12:42,755 INFO L87 Difference]: Start difference. First operand 699 states and 831 transitions. Second operand has 15 states, 15 states have (on average 5.0) internal successors, (75), 7 states have internal predecessors, (75), 3 states have call successors, (25), 7 states have call predecessors, (25), 5 states have return successors, (22), 5 states have call predecessors, (22), 3 states have call successors, (22) [2023-04-02 07:12:45,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:12:45,639 INFO L93 Difference]: Finished difference Result 1539 states and 1892 transitions. [2023-04-02 07:12:45,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-02 07:12:45,639 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 5.0) internal successors, (75), 7 states have internal predecessors, (75), 3 states have call successors, (25), 7 states have call predecessors, (25), 5 states have return successors, (22), 5 states have call predecessors, (22), 3 states have call successors, (22) Word has length 142 [2023-04-02 07:12:45,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:12:45,642 INFO L225 Difference]: With dead ends: 1539 [2023-04-02 07:12:45,642 INFO L226 Difference]: Without dead ends: 872 [2023-04-02 07:12:45,643 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=71, Invalid=435, Unknown=0, NotChecked=0, Total=506 [2023-04-02 07:12:45,644 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 491 mSDsluCounter, 821 mSDsCounter, 0 mSdLazyCounter, 2520 mSolverCounterSat, 298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 500 SdHoareTripleChecker+Valid, 928 SdHoareTripleChecker+Invalid, 2818 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 298 IncrementalHoareTripleChecker+Valid, 2520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-04-02 07:12:45,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [500 Valid, 928 Invalid, 2818 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [298 Valid, 2520 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-04-02 07:12:45,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 872 states. [2023-04-02 07:12:45,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 872 to 697. [2023-04-02 07:12:45,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 697 states, 472 states have (on average 1.180084745762712) internal successors, (557), 479 states have internal predecessors, (557), 125 states have call successors, (125), 92 states have call predecessors, (125), 99 states have return successors, (142), 125 states have call predecessors, (142), 118 states have call successors, (142) [2023-04-02 07:12:45,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 697 states and 824 transitions. [2023-04-02 07:12:45,765 INFO L78 Accepts]: Start accepts. Automaton has 697 states and 824 transitions. Word has length 142 [2023-04-02 07:12:45,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:12:45,766 INFO L495 AbstractCegarLoop]: Abstraction has 697 states and 824 transitions. [2023-04-02 07:12:45,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.0) internal successors, (75), 7 states have internal predecessors, (75), 3 states have call successors, (25), 7 states have call predecessors, (25), 5 states have return successors, (22), 5 states have call predecessors, (22), 3 states have call successors, (22) [2023-04-02 07:12:45,766 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 824 transitions. [2023-04-02 07:12:45,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-04-02 07:12:45,769 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:12:45,769 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 07:12:45,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-02 07:12:45,769 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:12:45,769 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:12:45,769 INFO L85 PathProgramCache]: Analyzing trace with hash -1814776916, now seen corresponding path program 1 times [2023-04-02 07:12:45,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:12:45,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713319121] [2023-04-02 07:12:45,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:12:45,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:12:45,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:46,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:12:46,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:46,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:12:46,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:46,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:12:46,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:46,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:46,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:46,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:46,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:46,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 07:12:46,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:46,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-04-02 07:12:46,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:46,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-04-02 07:12:46,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:46,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:12:46,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:46,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:46,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:46,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:46,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:46,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-04-02 07:12:46,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:46,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:12:46,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:46,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:12:46,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:46,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:46,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:46,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:46,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:46,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-04-02 07:12:46,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:46,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:12:46,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:46,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:12:46,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:46,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-04-02 07:12:46,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:46,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:12:46,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:46,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:12:46,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:46,366 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2023-04-02 07:12:46,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:12:46,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713319121] [2023-04-02 07:12:46,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713319121] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 07:12:46,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [278577544] [2023-04-02 07:12:46,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:12:46,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 07:12:46,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 07:12:46,368 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 07:12:46,370 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-04-02 07:12:46,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:46,773 INFO L262 TraceCheckSpWp]: Trace formula consists of 1509 conjuncts, 11 conjunts are in the unsatisfiable core [2023-04-02 07:12:46,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 07:12:46,978 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-04-02 07:12:46,978 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-02 07:12:47,243 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-04-02 07:12:47,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [278577544] provided 1 perfect and 1 imperfect interpolant sequences [2023-04-02 07:12:47,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-04-02 07:12:47,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10, 6] total 16 [2023-04-02 07:12:47,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309577091] [2023-04-02 07:12:47,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:12:47,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-02 07:12:47,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:12:47,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-02 07:12:47,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2023-04-02 07:12:47,245 INFO L87 Difference]: Start difference. First operand 697 states and 824 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 5 states have call successors, (22), 5 states have call predecessors, (22), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2023-04-02 07:12:47,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:12:47,603 INFO L93 Difference]: Finished difference Result 1026 states and 1220 transitions. [2023-04-02 07:12:47,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-02 07:12:47,603 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 5 states have call successors, (22), 5 states have call predecessors, (22), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) Word has length 140 [2023-04-02 07:12:47,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:12:47,607 INFO L225 Difference]: With dead ends: 1026 [2023-04-02 07:12:47,607 INFO L226 Difference]: Without dead ends: 1023 [2023-04-02 07:12:47,607 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 310 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2023-04-02 07:12:47,608 INFO L413 NwaCegarLoop]: 462 mSDtfsCounter, 640 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 640 SdHoareTripleChecker+Valid, 642 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-02 07:12:47,608 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [640 Valid, 642 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-02 07:12:47,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1023 states. [2023-04-02 07:12:47,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1023 to 993. [2023-04-02 07:12:47,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 993 states, 670 states have (on average 1.1761194029850746) internal successors, (788), 679 states have internal predecessors, (788), 177 states have call successors, (177), 132 states have call predecessors, (177), 145 states have return successors, (221), 181 states have call predecessors, (221), 170 states have call successors, (221) [2023-04-02 07:12:47,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 993 states and 1186 transitions. [2023-04-02 07:12:47,720 INFO L78 Accepts]: Start accepts. Automaton has 993 states and 1186 transitions. Word has length 140 [2023-04-02 07:12:47,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:12:47,721 INFO L495 AbstractCegarLoop]: Abstraction has 993 states and 1186 transitions. [2023-04-02 07:12:47,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 5 states have call successors, (22), 5 states have call predecessors, (22), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2023-04-02 07:12:47,721 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1186 transitions. [2023-04-02 07:12:47,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-04-02 07:12:47,722 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:12:47,722 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 07:12:47,736 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-04-02 07:12:47,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-04-02 07:12:47,936 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:12:47,937 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:12:47,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1741973286, now seen corresponding path program 1 times [2023-04-02 07:12:47,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:12:47,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114885636] [2023-04-02 07:12:47,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:12:47,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:12:47,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:48,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:12:48,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:48,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:12:48,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:48,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:12:48,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:48,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:48,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:48,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:48,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:48,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 07:12:48,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:48,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 07:12:48,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:48,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:48,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:48,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:12:48,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:48,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:12:48,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:48,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:48,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:48,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:48,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:48,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-04-02 07:12:48,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:48,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:12:48,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:48,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:12:48,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:48,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:48,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:48,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:48,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:48,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-04-02 07:12:48,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:48,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-04-02 07:12:48,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:48,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-04-02 07:12:48,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:48,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-04-02 07:12:48,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:48,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:48,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:48,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:48,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:48,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-04-02 07:12:48,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:48,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:48,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:48,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-04-02 07:12:48,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:48,274 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-04-02 07:12:48,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:12:48,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114885636] [2023-04-02 07:12:48,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114885636] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:12:48,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 07:12:48,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-02 07:12:48,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988576952] [2023-04-02 07:12:48,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:12:48,275 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-02 07:12:48,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:12:48,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-02 07:12:48,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2023-04-02 07:12:48,276 INFO L87 Difference]: Start difference. First operand 993 states and 1186 transitions. Second operand has 10 states, 10 states have (on average 8.7) internal successors, (87), 5 states have internal predecessors, (87), 5 states have call successors, (27), 6 states have call predecessors, (27), 2 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2023-04-02 07:12:50,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:12:50,532 INFO L93 Difference]: Finished difference Result 2208 states and 2715 transitions. [2023-04-02 07:12:50,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-02 07:12:50,532 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.7) internal successors, (87), 5 states have internal predecessors, (87), 5 states have call successors, (27), 6 states have call predecessors, (27), 2 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) Word has length 159 [2023-04-02 07:12:50,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:12:50,537 INFO L225 Difference]: With dead ends: 2208 [2023-04-02 07:12:50,537 INFO L226 Difference]: Without dead ends: 1215 [2023-04-02 07:12:50,539 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306 [2023-04-02 07:12:50,539 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 462 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 1507 mSolverCounterSat, 232 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 487 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 1739 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 232 IncrementalHoareTripleChecker+Valid, 1507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-04-02 07:12:50,539 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [487 Valid, 510 Invalid, 1739 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [232 Valid, 1507 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-04-02 07:12:50,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1215 states. [2023-04-02 07:12:50,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1215 to 958. [2023-04-02 07:12:50,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 958 states, 638 states have (on average 1.170846394984326) internal successors, (747), 651 states have internal predecessors, (747), 179 states have call successors, (179), 123 states have call predecessors, (179), 140 states have return successors, (234), 183 states have call predecessors, (234), 172 states have call successors, (234) [2023-04-02 07:12:50,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 958 states and 1160 transitions. [2023-04-02 07:12:50,702 INFO L78 Accepts]: Start accepts. Automaton has 958 states and 1160 transitions. Word has length 159 [2023-04-02 07:12:50,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:12:50,702 INFO L495 AbstractCegarLoop]: Abstraction has 958 states and 1160 transitions. [2023-04-02 07:12:50,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.7) internal successors, (87), 5 states have internal predecessors, (87), 5 states have call successors, (27), 6 states have call predecessors, (27), 2 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2023-04-02 07:12:50,703 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1160 transitions. [2023-04-02 07:12:50,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-04-02 07:12:50,704 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:12:50,704 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 07:12:50,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-04-02 07:12:50,704 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:12:50,704 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:12:50,705 INFO L85 PathProgramCache]: Analyzing trace with hash -478200862, now seen corresponding path program 1 times [2023-04-02 07:12:50,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:12:50,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882036750] [2023-04-02 07:12:50,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:12:50,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:12:50,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:51,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:12:51,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:51,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:12:51,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:51,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:12:51,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:51,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:51,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:51,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:51,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:51,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 07:12:51,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:51,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 07:12:51,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:51,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:51,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:51,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:12:51,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:51,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:12:51,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:51,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:51,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:51,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:51,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:51,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-04-02 07:12:51,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:51,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:12:51,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:51,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:12:51,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:51,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:51,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:51,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:51,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:51,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-04-02 07:12:51,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:51,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:12:51,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:51,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:12:51,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:51,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-04-02 07:12:51,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:51,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:12:51,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:51,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:12:51,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:51,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-04-02 07:12:51,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:51,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-04-02 07:12:51,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:51,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-04-02 07:12:51,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:51,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-04-02 07:12:51,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:51,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-04-02 07:12:51,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:51,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:12:51,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:51,427 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-04-02 07:12:51,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:12:51,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882036750] [2023-04-02 07:12:51,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882036750] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:12:51,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 07:12:51,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-04-02 07:12:51,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450698098] [2023-04-02 07:12:51,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:12:51,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-04-02 07:12:51,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:12:51,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-04-02 07:12:51,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2023-04-02 07:12:51,429 INFO L87 Difference]: Start difference. First operand 958 states and 1160 transitions. Second operand has 14 states, 14 states have (on average 6.5) internal successors, (91), 5 states have internal predecessors, (91), 3 states have call successors, (28), 9 states have call predecessors, (28), 4 states have return successors, (26), 4 states have call predecessors, (26), 3 states have call successors, (26) [2023-04-02 07:12:53,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:12:53,888 INFO L93 Difference]: Finished difference Result 1623 states and 2029 transitions. [2023-04-02 07:12:53,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-02 07:12:53,889 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 6.5) internal successors, (91), 5 states have internal predecessors, (91), 3 states have call successors, (28), 9 states have call predecessors, (28), 4 states have return successors, (26), 4 states have call predecessors, (26), 3 states have call successors, (26) Word has length 168 [2023-04-02 07:12:53,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:12:53,893 INFO L225 Difference]: With dead ends: 1623 [2023-04-02 07:12:53,894 INFO L226 Difference]: Without dead ends: 1180 [2023-04-02 07:12:53,895 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=121, Invalid=341, Unknown=0, NotChecked=0, Total=462 [2023-04-02 07:12:53,896 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 574 mSDsluCounter, 738 mSDsCounter, 0 mSdLazyCounter, 1846 mSolverCounterSat, 300 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 584 SdHoareTripleChecker+Valid, 855 SdHoareTripleChecker+Invalid, 2146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 300 IncrementalHoareTripleChecker+Valid, 1846 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-04-02 07:12:53,896 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [584 Valid, 855 Invalid, 2146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [300 Valid, 1846 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-04-02 07:12:53,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1180 states. [2023-04-02 07:12:54,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1180 to 958. [2023-04-02 07:12:54,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 958 states, 640 states have (on average 1.1703125) internal successors, (749), 650 states have internal predecessors, (749), 178 states have call successors, (178), 123 states have call predecessors, (178), 139 states have return successors, (231), 184 states have call predecessors, (231), 171 states have call successors, (231) [2023-04-02 07:12:54,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 958 states and 1158 transitions. [2023-04-02 07:12:54,038 INFO L78 Accepts]: Start accepts. Automaton has 958 states and 1158 transitions. Word has length 168 [2023-04-02 07:12:54,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:12:54,039 INFO L495 AbstractCegarLoop]: Abstraction has 958 states and 1158 transitions. [2023-04-02 07:12:54,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.5) internal successors, (91), 5 states have internal predecessors, (91), 3 states have call successors, (28), 9 states have call predecessors, (28), 4 states have return successors, (26), 4 states have call predecessors, (26), 3 states have call successors, (26) [2023-04-02 07:12:54,039 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1158 transitions. [2023-04-02 07:12:54,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-04-02 07:12:54,040 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:12:54,040 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 07:12:54,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-04-02 07:12:54,041 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:12:54,041 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:12:54,041 INFO L85 PathProgramCache]: Analyzing trace with hash -485960221, now seen corresponding path program 2 times [2023-04-02 07:12:54,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:12:54,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859790292] [2023-04-02 07:12:54,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:12:54,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:12:54,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:54,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:12:54,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:54,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:12:54,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:54,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:12:54,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:54,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:54,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:54,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:54,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:54,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 07:12:54,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:54,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 07:12:54,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:54,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:54,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:54,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:12:54,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:54,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:12:54,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:54,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:54,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:54,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:54,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:54,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-04-02 07:12:54,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:54,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:12:54,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:54,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:12:54,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:54,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:54,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:54,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:54,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:54,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-04-02 07:12:54,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:54,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:12:54,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:54,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:12:54,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:54,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-04-02 07:12:54,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:54,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:12:54,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:54,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:12:54,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:54,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-04-02 07:12:54,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:54,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-04-02 07:12:54,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:54,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-04-02 07:12:54,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:54,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-04-02 07:12:54,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:54,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-04-02 07:12:54,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:54,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:12:54,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:54,971 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-04-02 07:12:54,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:12:54,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859790292] [2023-04-02 07:12:54,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859790292] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:12:54,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 07:12:54,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2023-04-02 07:12:54,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459373921] [2023-04-02 07:12:54,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:12:54,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-04-02 07:12:54,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:12:54,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-04-02 07:12:54,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2023-04-02 07:12:54,972 INFO L87 Difference]: Start difference. First operand 958 states and 1158 transitions. Second operand has 17 states, 17 states have (on average 5.352941176470588) internal successors, (91), 7 states have internal predecessors, (91), 3 states have call successors, (28), 9 states have call predecessors, (28), 5 states have return successors, (26), 5 states have call predecessors, (26), 3 states have call successors, (26) [2023-04-02 07:12:57,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:12:57,871 INFO L93 Difference]: Finished difference Result 2048 states and 2547 transitions. [2023-04-02 07:12:57,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-04-02 07:12:57,872 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 5.352941176470588) internal successors, (91), 7 states have internal predecessors, (91), 3 states have call successors, (28), 9 states have call predecessors, (28), 5 states have return successors, (26), 5 states have call predecessors, (26), 3 states have call successors, (26) Word has length 168 [2023-04-02 07:12:57,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:12:57,875 INFO L225 Difference]: With dead ends: 2048 [2023-04-02 07:12:57,875 INFO L226 Difference]: Without dead ends: 1178 [2023-04-02 07:12:57,877 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=91, Invalid=509, Unknown=0, NotChecked=0, Total=600 [2023-04-02 07:12:57,878 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 545 mSDsluCounter, 1082 mSDsCounter, 0 mSdLazyCounter, 2756 mSolverCounterSat, 303 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 555 SdHoareTripleChecker+Valid, 1199 SdHoareTripleChecker+Invalid, 3059 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 303 IncrementalHoareTripleChecker+Valid, 2756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-04-02 07:12:57,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [555 Valid, 1199 Invalid, 3059 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [303 Valid, 2756 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-04-02 07:12:57,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1178 states. [2023-04-02 07:12:58,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1178 to 958. [2023-04-02 07:12:58,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 958 states, 640 states have (on average 1.1671875) internal successors, (747), 650 states have internal predecessors, (747), 178 states have call successors, (178), 123 states have call predecessors, (178), 139 states have return successors, (228), 184 states have call predecessors, (228), 171 states have call successors, (228) [2023-04-02 07:12:58,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 958 states and 1153 transitions. [2023-04-02 07:12:58,015 INFO L78 Accepts]: Start accepts. Automaton has 958 states and 1153 transitions. Word has length 168 [2023-04-02 07:12:58,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:12:58,015 INFO L495 AbstractCegarLoop]: Abstraction has 958 states and 1153 transitions. [2023-04-02 07:12:58,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 5.352941176470588) internal successors, (91), 7 states have internal predecessors, (91), 3 states have call successors, (28), 9 states have call predecessors, (28), 5 states have return successors, (26), 5 states have call predecessors, (26), 3 states have call successors, (26) [2023-04-02 07:12:58,015 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1153 transitions. [2023-04-02 07:12:58,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-04-02 07:12:58,016 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:12:58,017 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 07:12:58,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-04-02 07:12:58,017 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:12:58,017 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:12:58,017 INFO L85 PathProgramCache]: Analyzing trace with hash -1490828683, now seen corresponding path program 1 times [2023-04-02 07:12:58,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:12:58,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985697939] [2023-04-02 07:12:58,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:12:58,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:12:58,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:58,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:12:58,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:58,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:12:58,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:58,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:12:58,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:58,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:58,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:58,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:58,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:58,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 07:12:58,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:58,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 07:12:58,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:58,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:58,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:58,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:12:58,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:58,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:12:58,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:58,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:58,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:58,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:58,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:58,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-04-02 07:12:58,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:58,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:12:58,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:58,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:12:58,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:58,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:58,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:58,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:58,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:58,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-04-02 07:12:58,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:58,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:12:58,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:58,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:12:58,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:58,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-04-02 07:12:58,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:58,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:12:58,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:58,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:12:58,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:58,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-04-02 07:12:58,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:58,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-04-02 07:12:58,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:58,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-04-02 07:12:58,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:58,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-04-02 07:12:58,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:58,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-04-02 07:12:58,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:58,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:12:58,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:58,714 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-04-02 07:12:58,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:12:58,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985697939] [2023-04-02 07:12:58,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985697939] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:12:58,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 07:12:58,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-02 07:12:58,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776218972] [2023-04-02 07:12:58,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:12:58,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-02 07:12:58,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:12:58,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-02 07:12:58,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-04-02 07:12:58,715 INFO L87 Difference]: Start difference. First operand 958 states and 1153 transitions. Second operand has 10 states, 10 states have (on average 8.8) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (28), 9 states have call predecessors, (28), 2 states have return successors, (25), 2 states have call predecessors, (25), 3 states have call successors, (25) [2023-04-02 07:13:00,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:13:00,269 INFO L93 Difference]: Finished difference Result 1970 states and 2437 transitions. [2023-04-02 07:13:00,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-04-02 07:13:00,270 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.8) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (28), 9 states have call predecessors, (28), 2 states have return successors, (25), 2 states have call predecessors, (25), 3 states have call successors, (25) Word has length 169 [2023-04-02 07:13:00,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:13:00,274 INFO L225 Difference]: With dead ends: 1970 [2023-04-02 07:13:00,274 INFO L226 Difference]: Without dead ends: 1100 [2023-04-02 07:13:00,276 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=66, Invalid=116, Unknown=0, NotChecked=0, Total=182 [2023-04-02 07:13:00,276 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 493 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 912 mSolverCounterSat, 265 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 500 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 1177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 265 IncrementalHoareTripleChecker+Valid, 912 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-04-02 07:13:00,276 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [500 Valid, 502 Invalid, 1177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [265 Valid, 912 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-04-02 07:13:00,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1100 states. [2023-04-02 07:13:00,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1100 to 902. [2023-04-02 07:13:00,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 902 states, 604 states have (on average 1.1605960264900663) internal successors, (701), 614 states have internal predecessors, (701), 166 states have call successors, (166), 123 states have call predecessors, (166), 131 states have return successors, (204), 164 states have call predecessors, (204), 159 states have call successors, (204) [2023-04-02 07:13:00,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 902 states and 1071 transitions. [2023-04-02 07:13:00,421 INFO L78 Accepts]: Start accepts. Automaton has 902 states and 1071 transitions. Word has length 169 [2023-04-02 07:13:00,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:13:00,421 INFO L495 AbstractCegarLoop]: Abstraction has 902 states and 1071 transitions. [2023-04-02 07:13:00,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.8) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (28), 9 states have call predecessors, (28), 2 states have return successors, (25), 2 states have call predecessors, (25), 3 states have call successors, (25) [2023-04-02 07:13:00,422 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1071 transitions. [2023-04-02 07:13:00,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-04-02 07:13:00,423 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:13:00,423 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 07:13:00,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-04-02 07:13:00,424 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:13:00,424 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:13:00,424 INFO L85 PathProgramCache]: Analyzing trace with hash -731232496, now seen corresponding path program 1 times [2023-04-02 07:13:00,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:13:00,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444764720] [2023-04-02 07:13:00,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:13:00,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:13:00,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:00,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:00,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:00,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:13:00,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:00,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:13:00,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:00,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:00,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:00,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:00,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:00,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 07:13:00,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:00,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 07:13:00,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:00,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:00,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:00,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:13:00,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:00,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:13:00,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:00,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:00,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:00,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:00,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:00,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-04-02 07:13:00,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:00,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:00,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:00,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:13:00,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:00,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:00,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:00,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:00,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:00,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-04-02 07:13:00,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:00,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:13:00,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:00,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:00,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:00,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-04-02 07:13:00,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:00,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:13:00,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:00,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:00,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:00,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-04-02 07:13:00,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:00,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-04-02 07:13:00,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:00,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-04-02 07:13:00,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:00,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-04-02 07:13:00,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:00,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-04-02 07:13:00,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:01,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:01,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:01,002 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2023-04-02 07:13:01,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:13:01,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444764720] [2023-04-02 07:13:01,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444764720] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 07:13:01,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [393281806] [2023-04-02 07:13:01,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:13:01,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 07:13:01,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 07:13:01,003 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 07:13:01,005 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-04-02 07:13:01,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:01,527 INFO L262 TraceCheckSpWp]: Trace formula consists of 1582 conjuncts, 23 conjunts are in the unsatisfiable core [2023-04-02 07:13:01,532 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 07:13:01,686 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-04-02 07:13:01,686 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 07:13:01,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [393281806] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:13:01,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 07:13:01,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 14 [2023-04-02 07:13:01,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622906254] [2023-04-02 07:13:01,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:13:01,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-02 07:13:01,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:13:01,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-02 07:13:01,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2023-04-02 07:13:01,689 INFO L87 Difference]: Start difference. First operand 902 states and 1071 transitions. Second operand has 6 states, 6 states have (on average 15.0) internal successors, (90), 6 states have internal predecessors, (90), 5 states have call successors, (28), 4 states have call predecessors, (28), 5 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2023-04-02 07:13:02,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:13:02,634 INFO L93 Difference]: Finished difference Result 2221 states and 2762 transitions. [2023-04-02 07:13:02,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-02 07:13:02,634 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.0) internal successors, (90), 6 states have internal predecessors, (90), 5 states have call successors, (28), 4 states have call predecessors, (28), 5 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 171 [2023-04-02 07:13:02,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:13:02,638 INFO L225 Difference]: With dead ends: 2221 [2023-04-02 07:13:02,638 INFO L226 Difference]: Without dead ends: 1371 [2023-04-02 07:13:02,640 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2023-04-02 07:13:02,641 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 397 mSDsluCounter, 416 mSDsCounter, 0 mSdLazyCounter, 974 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 431 SdHoareTripleChecker+Valid, 608 SdHoareTripleChecker+Invalid, 1121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 974 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-04-02 07:13:02,641 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [431 Valid, 608 Invalid, 1121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 974 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-04-02 07:13:02,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1371 states. [2023-04-02 07:13:02,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1371 to 1144. [2023-04-02 07:13:02,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1144 states, 761 states have (on average 1.1550591327201052) internal successors, (879), 773 states have internal predecessors, (879), 213 states have call successors, (213), 164 states have call predecessors, (213), 169 states have return successors, (259), 206 states have call predecessors, (259), 202 states have call successors, (259) [2023-04-02 07:13:02,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1144 states to 1144 states and 1351 transitions. [2023-04-02 07:13:02,796 INFO L78 Accepts]: Start accepts. Automaton has 1144 states and 1351 transitions. Word has length 171 [2023-04-02 07:13:02,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:13:02,796 INFO L495 AbstractCegarLoop]: Abstraction has 1144 states and 1351 transitions. [2023-04-02 07:13:02,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.0) internal successors, (90), 6 states have internal predecessors, (90), 5 states have call successors, (28), 4 states have call predecessors, (28), 5 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2023-04-02 07:13:02,796 INFO L276 IsEmpty]: Start isEmpty. Operand 1144 states and 1351 transitions. [2023-04-02 07:13:02,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-04-02 07:13:02,798 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:13:02,798 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 07:13:02,808 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-04-02 07:13:03,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 07:13:03,006 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:13:03,007 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:13:03,007 INFO L85 PathProgramCache]: Analyzing trace with hash 530883631, now seen corresponding path program 1 times [2023-04-02 07:13:03,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:13:03,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684961378] [2023-04-02 07:13:03,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:13:03,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:13:03,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:03,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:03,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:03,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:13:03,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:03,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:13:03,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:03,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:03,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:03,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:03,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:03,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 07:13:03,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:03,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-04-02 07:13:03,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:03,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-04-02 07:13:03,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:03,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:13:03,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:03,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:03,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:03,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:03,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:03,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-04-02 07:13:03,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:03,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:03,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:03,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:13:03,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:03,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:03,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:03,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:03,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:03,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-04-02 07:13:03,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:03,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:13:03,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:03,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:03,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:03,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-04-02 07:13:03,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:03,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:13:03,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:03,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:03,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:03,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-04-02 07:13:03,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:03,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-02 07:13:03,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:03,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-04-02 07:13:03,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:03,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-04-02 07:13:03,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:03,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:03,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:03,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-04-02 07:13:03,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:03,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-04-02 07:13:03,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:03,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-04-02 07:13:03,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:03,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2023-04-02 07:13:03,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:03,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-04-02 07:13:03,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:03,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-04-02 07:13:03,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:03,962 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-04-02 07:13:03,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:13:03,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684961378] [2023-04-02 07:13:03,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684961378] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 07:13:03,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1937060577] [2023-04-02 07:13:03,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:13:03,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 07:13:03,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 07:13:03,977 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 07:13:04,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-04-02 07:13:04,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:04,737 INFO L262 TraceCheckSpWp]: Trace formula consists of 2178 conjuncts, 21 conjunts are in the unsatisfiable core [2023-04-02 07:13:04,744 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 07:13:04,806 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2023-04-02 07:13:04,806 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 07:13:04,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1937060577] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:13:04,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 07:13:04,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 14 [2023-04-02 07:13:04,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918025535] [2023-04-02 07:13:04,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:13:04,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-02 07:13:04,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:13:04,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-02 07:13:04,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2023-04-02 07:13:04,809 INFO L87 Difference]: Start difference. First operand 1144 states and 1351 transitions. Second operand has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 2 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-02 07:13:04,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:13:04,907 INFO L93 Difference]: Finished difference Result 1753 states and 2066 transitions. [2023-04-02 07:13:04,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-02 07:13:04,908 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 2 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) Word has length 213 [2023-04-02 07:13:04,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:13:04,910 INFO L225 Difference]: With dead ends: 1753 [2023-04-02 07:13:04,911 INFO L226 Difference]: Without dead ends: 664 [2023-04-02 07:13:04,913 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2023-04-02 07:13:04,914 INFO L413 NwaCegarLoop]: 315 mSDtfsCounter, 0 mSDsluCounter, 941 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1256 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-02 07:13:04,914 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1256 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 07:13:04,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 664 states. [2023-04-02 07:13:05,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 664 to 664. [2023-04-02 07:13:05,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 664 states, 440 states have (on average 1.1454545454545455) internal successors, (504), 447 states have internal predecessors, (504), 124 states have call successors, (124), 97 states have call predecessors, (124), 99 states have return successors, (143), 119 states have call predecessors, (143), 115 states have call successors, (143) [2023-04-02 07:13:05,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 664 states and 771 transitions. [2023-04-02 07:13:05,041 INFO L78 Accepts]: Start accepts. Automaton has 664 states and 771 transitions. Word has length 213 [2023-04-02 07:13:05,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:13:05,041 INFO L495 AbstractCegarLoop]: Abstraction has 664 states and 771 transitions. [2023-04-02 07:13:05,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 2 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-02 07:13:05,041 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 771 transitions. [2023-04-02 07:13:05,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-04-02 07:13:05,042 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:13:05,042 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 07:13:05,052 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-04-02 07:13:05,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 07:13:05,252 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:13:05,252 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:13:05,252 INFO L85 PathProgramCache]: Analyzing trace with hash 1575741711, now seen corresponding path program 1 times [2023-04-02 07:13:05,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:13:05,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507045551] [2023-04-02 07:13:05,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:13:05,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:13:05,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:05,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:05,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:05,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:13:05,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:05,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:13:05,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:05,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:05,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:05,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:05,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:05,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 07:13:05,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:05,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-04-02 07:13:05,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:05,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-04-02 07:13:05,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:05,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:13:05,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:05,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:05,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:05,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:05,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:05,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-04-02 07:13:05,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:05,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:05,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:05,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:13:05,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:05,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:05,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:05,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:05,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:05,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-04-02 07:13:06,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:06,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:13:06,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:06,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:06,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:06,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-04-02 07:13:06,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:06,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:13:06,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:06,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:06,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:06,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-04-02 07:13:06,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:06,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-02 07:13:06,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:06,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-04-02 07:13:06,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:06,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-04-02 07:13:06,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:06,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:06,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:06,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-04-02 07:13:06,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:06,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-04-02 07:13:06,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:06,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-04-02 07:13:06,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:06,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2023-04-02 07:13:06,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:06,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-04-02 07:13:06,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:06,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-04-02 07:13:06,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:06,078 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-04-02 07:13:06,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:13:06,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507045551] [2023-04-02 07:13:06,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507045551] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 07:13:06,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [29385453] [2023-04-02 07:13:06,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:13:06,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 07:13:06,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 07:13:06,081 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 07:13:06,083 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-04-02 07:13:06,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:06,767 INFO L262 TraceCheckSpWp]: Trace formula consists of 2186 conjuncts, 11 conjunts are in the unsatisfiable core [2023-04-02 07:13:06,772 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 07:13:07,006 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-04-02 07:13:07,006 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-02 07:13:07,332 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2023-04-02 07:13:07,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [29385453] provided 1 perfect and 1 imperfect interpolant sequences [2023-04-02 07:13:07,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-04-02 07:13:07,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11, 6] total 17 [2023-04-02 07:13:07,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529256941] [2023-04-02 07:13:07,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:13:07,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-02 07:13:07,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:13:07,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-02 07:13:07,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2023-04-02 07:13:07,335 INFO L87 Difference]: Start difference. First operand 664 states and 771 transitions. Second operand has 6 states, 6 states have (on average 19.833333333333332) internal successors, (119), 6 states have internal predecessors, (119), 5 states have call successors, (33), 5 states have call predecessors, (33), 3 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) [2023-04-02 07:13:07,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:13:07,771 INFO L93 Difference]: Finished difference Result 1030 states and 1202 transitions. [2023-04-02 07:13:07,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-02 07:13:07,772 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.833333333333332) internal successors, (119), 6 states have internal predecessors, (119), 5 states have call successors, (33), 5 states have call predecessors, (33), 3 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) Word has length 213 [2023-04-02 07:13:07,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:13:07,776 INFO L225 Difference]: With dead ends: 1030 [2023-04-02 07:13:07,776 INFO L226 Difference]: Without dead ends: 1025 [2023-04-02 07:13:07,778 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 496 GetRequests, 477 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2023-04-02 07:13:07,778 INFO L413 NwaCegarLoop]: 387 mSDtfsCounter, 931 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 252 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 931 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 252 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-02 07:13:07,779 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [931 Valid, 447 Invalid, 415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [252 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-02 07:13:07,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1025 states. [2023-04-02 07:13:07,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1025 to 983. [2023-04-02 07:13:07,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 983 states, 652 states have (on average 1.1411042944785277) internal successors, (744), 663 states have internal predecessors, (744), 180 states have call successors, (180), 140 states have call predecessors, (180), 150 states have return successors, (229), 179 states have call predecessors, (229), 170 states have call successors, (229) [2023-04-02 07:13:07,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 983 states and 1153 transitions. [2023-04-02 07:13:07,910 INFO L78 Accepts]: Start accepts. Automaton has 983 states and 1153 transitions. Word has length 213 [2023-04-02 07:13:07,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:13:07,910 INFO L495 AbstractCegarLoop]: Abstraction has 983 states and 1153 transitions. [2023-04-02 07:13:07,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.833333333333332) internal successors, (119), 6 states have internal predecessors, (119), 5 states have call successors, (33), 5 states have call predecessors, (33), 3 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) [2023-04-02 07:13:07,911 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1153 transitions. [2023-04-02 07:13:07,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2023-04-02 07:13:07,912 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:13:07,912 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 07:13:07,922 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-04-02 07:13:08,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-04-02 07:13:08,122 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:13:08,123 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:13:08,123 INFO L85 PathProgramCache]: Analyzing trace with hash -168273654, now seen corresponding path program 1 times [2023-04-02 07:13:08,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:13:08,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073167042] [2023-04-02 07:13:08,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:13:08,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:13:08,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:08,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:08,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:08,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:13:08,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:08,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:13:08,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:08,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:08,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:08,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:08,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:08,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 07:13:08,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:08,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 07:13:08,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:09,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:09,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:09,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:13:09,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:09,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:13:09,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:09,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:09,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:09,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:09,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:09,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-04-02 07:13:09,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:09,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:09,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:09,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:13:09,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:09,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:09,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:09,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:09,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:09,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-04-02 07:13:09,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:09,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:13:09,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:09,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:09,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:09,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-04-02 07:13:09,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:09,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:13:09,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:09,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:09,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:09,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-04-02 07:13:09,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:09,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-04-02 07:13:09,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:09,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-04-02 07:13:09,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:09,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-04-02 07:13:09,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:09,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:09,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:09,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-04-02 07:13:09,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:09,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-04-02 07:13:09,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:09,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-04-02 07:13:09,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:09,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-02 07:13:09,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:09,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-04-02 07:13:09,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:09,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-04-02 07:13:09,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:09,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-04-02 07:13:09,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:09,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:09,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:09,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-04-02 07:13:09,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:09,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-04-02 07:13:09,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:09,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:09,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:09,254 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-04-02 07:13:09,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:13:09,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073167042] [2023-04-02 07:13:09,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073167042] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:13:09,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 07:13:09,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-02 07:13:09,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677602632] [2023-04-02 07:13:09,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:13:09,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-02 07:13:09,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:13:09,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-02 07:13:09,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-04-02 07:13:09,256 INFO L87 Difference]: Start difference. First operand 983 states and 1153 transitions. Second operand has 10 states, 10 states have (on average 13.0) internal successors, (130), 4 states have internal predecessors, (130), 4 states have call successors, (39), 8 states have call predecessors, (39), 3 states have return successors, (36), 3 states have call predecessors, (36), 4 states have call successors, (36) [2023-04-02 07:13:11,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:13:11,420 INFO L93 Difference]: Finished difference Result 2216 states and 2714 transitions. [2023-04-02 07:13:11,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-04-02 07:13:11,420 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 13.0) internal successors, (130), 4 states have internal predecessors, (130), 4 states have call successors, (39), 8 states have call predecessors, (39), 3 states have return successors, (36), 3 states have call predecessors, (36), 4 states have call successors, (36) Word has length 233 [2023-04-02 07:13:11,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:13:11,425 INFO L225 Difference]: With dead ends: 2216 [2023-04-02 07:13:11,425 INFO L226 Difference]: Without dead ends: 1239 [2023-04-02 07:13:11,427 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=114, Invalid=266, Unknown=0, NotChecked=0, Total=380 [2023-04-02 07:13:11,427 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 798 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 1242 mSolverCounterSat, 454 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 804 SdHoareTripleChecker+Valid, 539 SdHoareTripleChecker+Invalid, 1696 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 454 IncrementalHoareTripleChecker+Valid, 1242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-04-02 07:13:11,428 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [804 Valid, 539 Invalid, 1696 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [454 Valid, 1242 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-04-02 07:13:11,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1239 states. [2023-04-02 07:13:11,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1239 to 987. [2023-04-02 07:13:11,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 987 states, 654 states have (on average 1.1314984709480123) internal successors, (740), 667 states have internal predecessors, (740), 180 states have call successors, (180), 140 states have call predecessors, (180), 152 states have return successors, (231), 179 states have call predecessors, (231), 170 states have call successors, (231) [2023-04-02 07:13:11,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 987 states to 987 states and 1151 transitions. [2023-04-02 07:13:11,562 INFO L78 Accepts]: Start accepts. Automaton has 987 states and 1151 transitions. Word has length 233 [2023-04-02 07:13:11,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:13:11,562 INFO L495 AbstractCegarLoop]: Abstraction has 987 states and 1151 transitions. [2023-04-02 07:13:11,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 13.0) internal successors, (130), 4 states have internal predecessors, (130), 4 states have call successors, (39), 8 states have call predecessors, (39), 3 states have return successors, (36), 3 states have call predecessors, (36), 4 states have call successors, (36) [2023-04-02 07:13:11,563 INFO L276 IsEmpty]: Start isEmpty. Operand 987 states and 1151 transitions. [2023-04-02 07:13:11,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2023-04-02 07:13:11,564 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:13:11,564 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 07:13:11,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-04-02 07:13:11,564 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:13:11,564 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:13:11,565 INFO L85 PathProgramCache]: Analyzing trace with hash -1024576090, now seen corresponding path program 1 times [2023-04-02 07:13:11,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:13:11,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074296998] [2023-04-02 07:13:11,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:13:11,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:13:11,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:12,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:12,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:12,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:13:12,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:12,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:13:12,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:12,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:12,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:12,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:12,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:12,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 07:13:12,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:12,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 07:13:12,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:12,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:12,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:12,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:13:12,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:12,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 07:13:12,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:12,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:12,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:12,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:12,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:12,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-04-02 07:13:12,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:12,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:12,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:12,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 07:13:12,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:12,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:12,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:12,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:12,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:12,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-04-02 07:13:12,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:12,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:13:12,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:12,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:12,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:12,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-04-02 07:13:12,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:12,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:13:12,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:12,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:12,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:12,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-04-02 07:13:12,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:12,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-04-02 07:13:12,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:12,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-04-02 07:13:12,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:12,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-04-02 07:13:12,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:12,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:12,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:12,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-04-02 07:13:12,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:12,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-04-02 07:13:12,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:12,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-04-02 07:13:12,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:12,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-04-02 07:13:12,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:12,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-04-02 07:13:12,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:12,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-04-02 07:13:12,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:12,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-04-02 07:13:12,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:12,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:12,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:12,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2023-04-02 07:13:12,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:12,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2023-04-02 07:13:12,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:12,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:12,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:12,801 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-04-02 07:13:12,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:13:12,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074296998] [2023-04-02 07:13:12,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074296998] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:13:12,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 07:13:12,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-04-02 07:13:12,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933985511] [2023-04-02 07:13:12,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:13:12,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-02 07:13:12,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:13:12,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-02 07:13:12,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2023-04-02 07:13:12,804 INFO L87 Difference]: Start difference. First operand 987 states and 1151 transitions. Second operand has 13 states, 13 states have (on average 9.76923076923077) internal successors, (127), 6 states have internal predecessors, (127), 3 states have call successors, (38), 8 states have call predecessors, (38), 3 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2023-04-02 07:13:15,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:13:15,414 INFO L93 Difference]: Finished difference Result 2161 states and 2629 transitions. [2023-04-02 07:13:15,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-02 07:13:15,415 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 9.76923076923077) internal successors, (127), 6 states have internal predecessors, (127), 3 states have call successors, (38), 8 states have call predecessors, (38), 3 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 235 [2023-04-02 07:13:15,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:13:15,419 INFO L225 Difference]: With dead ends: 2161 [2023-04-02 07:13:15,419 INFO L226 Difference]: Without dead ends: 1280 [2023-04-02 07:13:15,420 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=120, Invalid=342, Unknown=0, NotChecked=0, Total=462 [2023-04-02 07:13:15,421 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 847 mSDsluCounter, 603 mSDsCounter, 0 mSdLazyCounter, 1918 mSolverCounterSat, 458 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 861 SdHoareTripleChecker+Valid, 727 SdHoareTripleChecker+Invalid, 2376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 458 IncrementalHoareTripleChecker+Valid, 1918 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-04-02 07:13:15,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [861 Valid, 727 Invalid, 2376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [458 Valid, 1918 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-04-02 07:13:15,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1280 states. [2023-04-02 07:13:15,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1280 to 992. [2023-04-02 07:13:15,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 992 states, 658 states have (on average 1.1306990881458967) internal successors, (744), 671 states have internal predecessors, (744), 180 states have call successors, (180), 140 states have call predecessors, (180), 153 states have return successors, (232), 180 states have call predecessors, (232), 170 states have call successors, (232) [2023-04-02 07:13:15,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 992 states and 1156 transitions. [2023-04-02 07:13:15,562 INFO L78 Accepts]: Start accepts. Automaton has 992 states and 1156 transitions. Word has length 235 [2023-04-02 07:13:15,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:13:15,562 INFO L495 AbstractCegarLoop]: Abstraction has 992 states and 1156 transitions. [2023-04-02 07:13:15,562 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 9.76923076923077) internal successors, (127), 6 states have internal predecessors, (127), 3 states have call successors, (38), 8 states have call predecessors, (38), 3 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2023-04-02 07:13:15,562 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1156 transitions. [2023-04-02 07:13:15,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2023-04-02 07:13:15,563 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:13:15,563 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 07:13:15,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-04-02 07:13:15,564 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:13:15,564 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:13:15,564 INFO L85 PathProgramCache]: Analyzing trace with hash 482498680, now seen corresponding path program 1 times [2023-04-02 07:13:15,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:13:15,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089511117] [2023-04-02 07:13:15,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:13:15,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:13:15,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:16,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:16,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:16,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:13:16,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:16,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:13:16,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:16,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:16,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:16,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:16,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:16,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 07:13:16,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:16,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 07:13:16,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:16,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:16,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:16,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:13:16,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:16,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 07:13:16,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:16,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:16,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:16,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:16,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:16,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-04-02 07:13:16,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:16,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:16,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:16,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 07:13:16,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:16,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:16,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:16,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:16,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:16,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-04-02 07:13:16,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:16,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:13:16,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:16,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:16,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:16,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-04-02 07:13:16,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:16,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:13:16,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:16,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:16,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:16,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-04-02 07:13:16,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:16,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-04-02 07:13:16,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:16,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-04-02 07:13:16,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:16,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-04-02 07:13:16,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:16,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:16,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:16,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-04-02 07:13:16,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:16,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-04-02 07:13:16,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:16,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-04-02 07:13:16,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:16,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-04-02 07:13:16,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:16,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-04-02 07:13:16,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:16,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-04-02 07:13:16,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:16,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-04-02 07:13:16,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:16,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:16,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:16,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-04-02 07:13:16,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:16,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-04-02 07:13:16,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:16,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:16,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:16,485 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-04-02 07:13:16,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:13:16,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089511117] [2023-04-02 07:13:16,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089511117] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:13:16,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 07:13:16,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-04-02 07:13:16,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538610874] [2023-04-02 07:13:16,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:13:16,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-02 07:13:16,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:13:16,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-02 07:13:16,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-04-02 07:13:16,487 INFO L87 Difference]: Start difference. First operand 992 states and 1156 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (38), 8 states have call predecessors, (38), 2 states have return successors, (35), 2 states have call predecessors, (35), 3 states have call successors, (35) [2023-04-02 07:13:18,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:13:18,232 INFO L93 Difference]: Finished difference Result 2135 states and 2574 transitions. [2023-04-02 07:13:18,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-04-02 07:13:18,232 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (38), 8 states have call predecessors, (38), 2 states have return successors, (35), 2 states have call predecessors, (35), 3 states have call successors, (35) Word has length 236 [2023-04-02 07:13:18,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:13:18,236 INFO L225 Difference]: With dead ends: 2135 [2023-04-02 07:13:18,236 INFO L226 Difference]: Without dead ends: 1249 [2023-04-02 07:13:18,238 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2023-04-02 07:13:18,238 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 532 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 922 mSolverCounterSat, 288 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 539 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 1210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 288 IncrementalHoareTripleChecker+Valid, 922 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-04-02 07:13:18,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [539 Valid, 373 Invalid, 1210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [288 Valid, 922 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-04-02 07:13:18,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1249 states. [2023-04-02 07:13:18,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1249 to 993. [2023-04-02 07:13:18,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 993 states, 659 states have (on average 1.1305007587253415) internal successors, (745), 672 states have internal predecessors, (745), 180 states have call successors, (180), 140 states have call predecessors, (180), 153 states have return successors, (232), 180 states have call predecessors, (232), 170 states have call successors, (232) [2023-04-02 07:13:18,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 993 states and 1157 transitions. [2023-04-02 07:13:18,376 INFO L78 Accepts]: Start accepts. Automaton has 993 states and 1157 transitions. Word has length 236 [2023-04-02 07:13:18,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:13:18,376 INFO L495 AbstractCegarLoop]: Abstraction has 993 states and 1157 transitions. [2023-04-02 07:13:18,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (38), 8 states have call predecessors, (38), 2 states have return successors, (35), 2 states have call predecessors, (35), 3 states have call successors, (35) [2023-04-02 07:13:18,377 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1157 transitions. [2023-04-02 07:13:18,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2023-04-02 07:13:18,378 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:13:18,378 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 07:13:18,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-04-02 07:13:18,378 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:13:18,378 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:13:18,378 INFO L85 PathProgramCache]: Analyzing trace with hash -1873306570, now seen corresponding path program 1 times [2023-04-02 07:13:18,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:13:18,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005536031] [2023-04-02 07:13:18,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:13:18,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:13:18,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:18,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:19,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:19,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:13:19,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:19,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:13:19,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:19,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:19,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:19,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:19,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:19,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 07:13:19,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:19,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 07:13:19,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:19,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:19,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:19,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:13:19,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:19,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 07:13:19,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:19,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:19,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:19,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:19,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:19,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-04-02 07:13:19,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:19,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:19,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:19,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 07:13:19,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:19,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:19,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:19,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:19,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:19,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-04-02 07:13:19,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:19,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:13:19,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:19,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:19,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:19,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-04-02 07:13:19,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:19,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:13:19,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:19,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:19,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:19,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-04-02 07:13:19,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:19,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-04-02 07:13:19,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:19,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-04-02 07:13:19,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:19,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-04-02 07:13:19,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:19,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:19,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:19,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-04-02 07:13:19,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:19,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-04-02 07:13:19,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:19,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-04-02 07:13:19,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:19,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-04-02 07:13:19,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:19,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-04-02 07:13:19,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:19,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-04-02 07:13:19,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:19,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-04-02 07:13:19,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:19,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:19,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:19,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-04-02 07:13:19,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:19,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-04-02 07:13:19,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:19,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:19,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:19,217 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-04-02 07:13:19,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:13:19,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005536031] [2023-04-02 07:13:19,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005536031] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:13:19,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 07:13:19,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-04-02 07:13:19,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642544067] [2023-04-02 07:13:19,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:13:19,219 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-02 07:13:19,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:13:19,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-02 07:13:19,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-04-02 07:13:19,229 INFO L87 Difference]: Start difference. First operand 993 states and 1157 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (38), 8 states have call predecessors, (38), 2 states have return successors, (35), 2 states have call predecessors, (35), 3 states have call successors, (35) [2023-04-02 07:13:21,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:13:21,110 INFO L93 Difference]: Finished difference Result 2132 states and 2569 transitions. [2023-04-02 07:13:21,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-04-02 07:13:21,111 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (38), 8 states have call predecessors, (38), 2 states have return successors, (35), 2 states have call predecessors, (35), 3 states have call successors, (35) Word has length 236 [2023-04-02 07:13:21,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:13:21,116 INFO L225 Difference]: With dead ends: 2132 [2023-04-02 07:13:21,116 INFO L226 Difference]: Without dead ends: 1245 [2023-04-02 07:13:21,118 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2023-04-02 07:13:21,118 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 400 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 1124 mSolverCounterSat, 205 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 407 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 1329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 205 IncrementalHoareTripleChecker+Valid, 1124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-04-02 07:13:21,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [407 Valid, 470 Invalid, 1329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [205 Valid, 1124 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-04-02 07:13:21,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1245 states. [2023-04-02 07:13:21,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1245 to 992. [2023-04-02 07:13:21,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 992 states, 658 states have (on average 1.1291793313069909) internal successors, (743), 671 states have internal predecessors, (743), 180 states have call successors, (180), 140 states have call predecessors, (180), 153 states have return successors, (232), 180 states have call predecessors, (232), 170 states have call successors, (232) [2023-04-02 07:13:21,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 992 states and 1155 transitions. [2023-04-02 07:13:21,367 INFO L78 Accepts]: Start accepts. Automaton has 992 states and 1155 transitions. Word has length 236 [2023-04-02 07:13:21,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:13:21,367 INFO L495 AbstractCegarLoop]: Abstraction has 992 states and 1155 transitions. [2023-04-02 07:13:21,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (38), 8 states have call predecessors, (38), 2 states have return successors, (35), 2 states have call predecessors, (35), 3 states have call successors, (35) [2023-04-02 07:13:21,367 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1155 transitions. [2023-04-02 07:13:21,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2023-04-02 07:13:21,368 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:13:21,368 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 07:13:21,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-04-02 07:13:21,369 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:13:21,369 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:13:21,369 INFO L85 PathProgramCache]: Analyzing trace with hash 51082915, now seen corresponding path program 1 times [2023-04-02 07:13:21,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:13:21,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626192422] [2023-04-02 07:13:21,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:13:21,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:13:21,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:21,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:21,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:21,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:13:21,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:21,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:13:21,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:21,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:21,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:21,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:21,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:21,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 07:13:21,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:21,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 07:13:22,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:22,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:22,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:22,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:13:22,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:22,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 07:13:22,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:22,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:22,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:22,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:22,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:22,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-04-02 07:13:22,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:22,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:22,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:22,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 07:13:22,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:23,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:23,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:23,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:23,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:23,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-04-02 07:13:23,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:23,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:13:23,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:23,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:23,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:23,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-04-02 07:13:23,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:23,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:13:23,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:23,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:23,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:23,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-04-02 07:13:23,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:23,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-04-02 07:13:23,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:23,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-04-02 07:13:23,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:23,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-04-02 07:13:23,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:23,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:23,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:23,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-04-02 07:13:23,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:23,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-04-02 07:13:23,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:23,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-04-02 07:13:23,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:23,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-04-02 07:13:23,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:23,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-04-02 07:13:23,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:23,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-04-02 07:13:23,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:23,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-04-02 07:13:23,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:23,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:23,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:23,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-04-02 07:13:23,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:23,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-04-02 07:13:23,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:23,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:23,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:23,298 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-04-02 07:13:23,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:13:23,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626192422] [2023-04-02 07:13:23,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626192422] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 07:13:23,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [130111081] [2023-04-02 07:13:23,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:13:23,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 07:13:23,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 07:13:23,300 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 07:13:23,303 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-04-02 07:13:24,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:24,198 INFO L262 TraceCheckSpWp]: Trace formula consists of 2258 conjuncts, 7 conjunts are in the unsatisfiable core [2023-04-02 07:13:24,203 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 07:13:24,257 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-04-02 07:13:24,258 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 07:13:24,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [130111081] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:13:24,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 07:13:24,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [19] total 22 [2023-04-02 07:13:24,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857962087] [2023-04-02 07:13:24,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:13:24,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-02 07:13:24,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:13:24,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-02 07:13:24,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=415, Unknown=0, NotChecked=0, Total=462 [2023-04-02 07:13:24,259 INFO L87 Difference]: Start difference. First operand 992 states and 1155 transitions. Second operand has 5 states, 5 states have (on average 25.8) internal successors, (129), 4 states have internal predecessors, (129), 3 states have call successors, (38), 3 states have call predecessors, (38), 4 states have return successors, (35), 4 states have call predecessors, (35), 3 states have call successors, (35) [2023-04-02 07:13:24,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:13:24,454 INFO L93 Difference]: Finished difference Result 1027 states and 1189 transitions. [2023-04-02 07:13:24,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-02 07:13:24,454 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.8) internal successors, (129), 4 states have internal predecessors, (129), 3 states have call successors, (38), 3 states have call predecessors, (38), 4 states have return successors, (35), 4 states have call predecessors, (35), 3 states have call successors, (35) Word has length 237 [2023-04-02 07:13:24,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:13:24,457 INFO L225 Difference]: With dead ends: 1027 [2023-04-02 07:13:24,457 INFO L226 Difference]: Without dead ends: 1015 [2023-04-02 07:13:24,458 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 309 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=55, Invalid=497, Unknown=0, NotChecked=0, Total=552 [2023-04-02 07:13:24,458 INFO L413 NwaCegarLoop]: 332 mSDtfsCounter, 306 mSDsluCounter, 677 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 1009 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-02 07:13:24,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [306 Valid, 1009 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 07:13:24,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1015 states. [2023-04-02 07:13:24,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1015 to 992. [2023-04-02 07:13:24,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 992 states, 658 states have (on average 1.127659574468085) internal successors, (742), 671 states have internal predecessors, (742), 180 states have call successors, (180), 140 states have call predecessors, (180), 153 states have return successors, (232), 180 states have call predecessors, (232), 170 states have call successors, (232) [2023-04-02 07:13:24,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 992 states and 1154 transitions. [2023-04-02 07:13:24,613 INFO L78 Accepts]: Start accepts. Automaton has 992 states and 1154 transitions. Word has length 237 [2023-04-02 07:13:24,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:13:24,614 INFO L495 AbstractCegarLoop]: Abstraction has 992 states and 1154 transitions. [2023-04-02 07:13:24,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.8) internal successors, (129), 4 states have internal predecessors, (129), 3 states have call successors, (38), 3 states have call predecessors, (38), 4 states have return successors, (35), 4 states have call predecessors, (35), 3 states have call successors, (35) [2023-04-02 07:13:24,614 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1154 transitions. [2023-04-02 07:13:24,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2023-04-02 07:13:24,615 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:13:24,615 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 07:13:24,641 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-04-02 07:13:24,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 07:13:24,828 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:13:24,828 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:13:24,828 INFO L85 PathProgramCache]: Analyzing trace with hash 577297050, now seen corresponding path program 1 times [2023-04-02 07:13:24,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:13:24,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584172650] [2023-04-02 07:13:24,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:13:24,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:13:24,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:25,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:25,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:25,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:13:25,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:25,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:13:25,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:25,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:25,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:25,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:25,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:25,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 07:13:25,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:25,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 07:13:25,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:26,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:26,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:26,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:13:26,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:26,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 07:13:26,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:26,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:26,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:26,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:26,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:26,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-04-02 07:13:26,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:26,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:26,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:26,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 07:13:26,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:26,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:26,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:26,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:26,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:26,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-04-02 07:13:26,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:26,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:13:26,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:26,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:26,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:26,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-04-02 07:13:26,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:26,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:13:26,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:26,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:26,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:26,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-04-02 07:13:26,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:26,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-04-02 07:13:26,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:26,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-04-02 07:13:26,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:26,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-04-02 07:13:26,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:26,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:26,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:26,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-04-02 07:13:26,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:26,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-04-02 07:13:26,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:26,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-04-02 07:13:26,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:26,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-04-02 07:13:26,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:26,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-04-02 07:13:26,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:26,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-04-02 07:13:26,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:26,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-04-02 07:13:26,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:26,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:26,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:26,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-04-02 07:13:26,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:26,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-04-02 07:13:26,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:26,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:26,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:26,602 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-04-02 07:13:26,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:13:26,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584172650] [2023-04-02 07:13:26,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584172650] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 07:13:26,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [133323397] [2023-04-02 07:13:26,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:13:26,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 07:13:26,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 07:13:26,603 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 07:13:26,606 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-04-02 07:13:27,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:27,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 2270 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-02 07:13:27,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 07:13:27,571 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-04-02 07:13:27,572 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 07:13:27,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [133323397] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:13:27,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 07:13:27,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [19] total 21 [2023-04-02 07:13:27,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990147869] [2023-04-02 07:13:27,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:13:27,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-02 07:13:27,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:13:27,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-02 07:13:27,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=374, Unknown=0, NotChecked=0, Total=420 [2023-04-02 07:13:27,574 INFO L87 Difference]: Start difference. First operand 992 states and 1154 transitions. Second operand has 4 states, 4 states have (on average 33.25) internal successors, (133), 4 states have internal predecessors, (133), 3 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2023-04-02 07:13:27,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:13:27,697 INFO L93 Difference]: Finished difference Result 1699 states and 1978 transitions. [2023-04-02 07:13:27,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-04-02 07:13:27,697 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.25) internal successors, (133), 4 states have internal predecessors, (133), 3 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 241 [2023-04-02 07:13:27,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:13:27,735 INFO L225 Difference]: With dead ends: 1699 [2023-04-02 07:13:27,735 INFO L226 Difference]: Without dead ends: 813 [2023-04-02 07:13:27,736 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 314 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=46, Invalid=374, Unknown=0, NotChecked=0, Total=420 [2023-04-02 07:13:27,737 INFO L413 NwaCegarLoop]: 316 mSDtfsCounter, 17 mSDsluCounter, 591 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 907 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-02 07:13:27,737 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 907 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 07:13:27,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2023-04-02 07:13:27,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 799. [2023-04-02 07:13:27,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 799 states, 542 states have (on average 1.1254612546125462) internal successors, (610), 548 states have internal predecessors, (610), 138 states have call successors, (138), 111 states have call predecessors, (138), 118 states have return successors, (163), 139 states have call predecessors, (163), 128 states have call successors, (163) [2023-04-02 07:13:27,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 799 states and 911 transitions. [2023-04-02 07:13:27,848 INFO L78 Accepts]: Start accepts. Automaton has 799 states and 911 transitions. Word has length 241 [2023-04-02 07:13:27,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:13:27,848 INFO L495 AbstractCegarLoop]: Abstraction has 799 states and 911 transitions. [2023-04-02 07:13:27,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.25) internal successors, (133), 4 states have internal predecessors, (133), 3 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2023-04-02 07:13:27,849 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 911 transitions. [2023-04-02 07:13:27,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2023-04-02 07:13:27,850 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:13:27,850 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 07:13:27,881 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-04-02 07:13:28,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 07:13:28,063 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:13:28,063 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:13:28,064 INFO L85 PathProgramCache]: Analyzing trace with hash 1984517547, now seen corresponding path program 1 times [2023-04-02 07:13:28,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:13:28,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819733260] [2023-04-02 07:13:28,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:13:28,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:13:28,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:28,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:28,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:28,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:13:28,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:28,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:13:28,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:28,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:28,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:28,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:28,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:28,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 07:13:28,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:28,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 07:13:28,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:28,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:28,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:28,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:13:28,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:29,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 07:13:29,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:29,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:29,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:29,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:29,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:29,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-04-02 07:13:29,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:29,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:29,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:29,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 07:13:29,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:29,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:29,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:29,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:29,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:29,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-04-02 07:13:29,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:29,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:13:29,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:29,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:29,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:29,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-04-02 07:13:29,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:29,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:13:29,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:29,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:29,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:29,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-04-02 07:13:29,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:29,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-04-02 07:13:29,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:29,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-04-02 07:13:29,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:29,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-04-02 07:13:29,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:29,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:29,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:29,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-04-02 07:13:29,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:29,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-04-02 07:13:29,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:29,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-04-02 07:13:29,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:29,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-04-02 07:13:29,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:29,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-04-02 07:13:29,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:29,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-04-02 07:13:29,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:29,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-04-02 07:13:29,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:29,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-04-02 07:13:29,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:29,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2023-04-02 07:13:29,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:29,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2023-04-02 07:13:29,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:29,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-04-02 07:13:29,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:29,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2023-04-02 07:13:29,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:29,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:29,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:29,143 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-04-02 07:13:29,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:13:29,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819733260] [2023-04-02 07:13:29,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819733260] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:13:29,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 07:13:29,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-02 07:13:29,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758872652] [2023-04-02 07:13:29,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:13:29,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-02 07:13:29,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:13:29,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-02 07:13:29,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2023-04-02 07:13:29,145 INFO L87 Difference]: Start difference. First operand 799 states and 911 transitions. Second operand has 12 states, 12 states have (on average 12.166666666666666) internal successors, (146), 3 states have internal predecessors, (146), 3 states have call successors, (40), 11 states have call predecessors, (40), 2 states have return successors, (37), 2 states have call predecessors, (37), 3 states have call successors, (37) [2023-04-02 07:13:30,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:13:30,816 INFO L93 Difference]: Finished difference Result 1287 states and 1493 transitions. [2023-04-02 07:13:30,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-02 07:13:30,817 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 12.166666666666666) internal successors, (146), 3 states have internal predecessors, (146), 3 states have call successors, (40), 11 states have call predecessors, (40), 2 states have return successors, (37), 2 states have call predecessors, (37), 3 states have call successors, (37) Word has length 256 [2023-04-02 07:13:30,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:13:30,819 INFO L225 Difference]: With dead ends: 1287 [2023-04-02 07:13:30,819 INFO L226 Difference]: Without dead ends: 648 [2023-04-02 07:13:30,821 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=140, Invalid=322, Unknown=0, NotChecked=0, Total=462 [2023-04-02 07:13:30,821 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 828 mSDsluCounter, 405 mSDsCounter, 0 mSdLazyCounter, 863 mSolverCounterSat, 441 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 836 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 1304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 441 IncrementalHoareTripleChecker+Valid, 863 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-04-02 07:13:30,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [836 Valid, 521 Invalid, 1304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [441 Valid, 863 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-04-02 07:13:30,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 648 states. [2023-04-02 07:13:30,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 648 to 543. [2023-04-02 07:13:30,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 368 states have (on average 1.122282608695652) internal successors, (413), 372 states have internal predecessors, (413), 96 states have call successors, (96), 78 states have call predecessors, (96), 78 states have return successors, (100), 92 states have call predecessors, (100), 87 states have call successors, (100) [2023-04-02 07:13:30,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 609 transitions. [2023-04-02 07:13:30,903 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 609 transitions. Word has length 256 [2023-04-02 07:13:30,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:13:30,904 INFO L495 AbstractCegarLoop]: Abstraction has 543 states and 609 transitions. [2023-04-02 07:13:30,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 12.166666666666666) internal successors, (146), 3 states have internal predecessors, (146), 3 states have call successors, (40), 11 states have call predecessors, (40), 2 states have return successors, (37), 2 states have call predecessors, (37), 3 states have call successors, (37) [2023-04-02 07:13:30,904 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 609 transitions. [2023-04-02 07:13:30,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2023-04-02 07:13:30,905 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:13:30,905 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 07:13:30,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-04-02 07:13:30,905 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:13:30,906 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:13:30,906 INFO L85 PathProgramCache]: Analyzing trace with hash -1668121594, now seen corresponding path program 1 times [2023-04-02 07:13:30,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:13:30,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841612985] [2023-04-02 07:13:30,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:13:30,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:13:30,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:31,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:31,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:31,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:13:31,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:31,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:13:31,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:31,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:31,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:31,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:31,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:31,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 07:13:31,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:31,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 07:13:31,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:32,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:32,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:32,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:13:32,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:32,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 07:13:32,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:32,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:32,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:32,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:32,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:32,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-04-02 07:13:32,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:32,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:32,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:32,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 07:13:32,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:32,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:32,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:32,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:32,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:32,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-04-02 07:13:32,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:32,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:13:32,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:32,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:32,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:32,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-04-02 07:13:32,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:32,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:13:32,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:32,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:32,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:32,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-04-02 07:13:32,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:32,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-04-02 07:13:32,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:32,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-04-02 07:13:32,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:32,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-04-02 07:13:32,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:32,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:32,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:32,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-04-02 07:13:32,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:32,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-04-02 07:13:32,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:32,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-04-02 07:13:32,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:32,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-04-02 07:13:32,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:32,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-04-02 07:13:32,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:32,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-04-02 07:13:32,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:32,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-04-02 07:13:32,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:32,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-04-02 07:13:32,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:32,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-04-02 07:13:32,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:32,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-04-02 07:13:32,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:32,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-04-02 07:13:32,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:32,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-04-02 07:13:32,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:32,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:32,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:32,618 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2023-04-02 07:13:32,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:13:32,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841612985] [2023-04-02 07:13:32,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841612985] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 07:13:32,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1281674340] [2023-04-02 07:13:32,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:13:32,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 07:13:32,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 07:13:32,620 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 07:13:32,622 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-04-02 07:13:33,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:33,642 INFO L262 TraceCheckSpWp]: Trace formula consists of 2307 conjuncts, 23 conjunts are in the unsatisfiable core [2023-04-02 07:13:33,647 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 07:13:33,832 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-04-02 07:13:33,832 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 07:13:33,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1281674340] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:13:33,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 07:13:33,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [20] total 23 [2023-04-02 07:13:33,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276803006] [2023-04-02 07:13:33,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:13:33,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-02 07:13:33,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:13:33,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-02 07:13:33,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=447, Unknown=0, NotChecked=0, Total=506 [2023-04-02 07:13:33,834 INFO L87 Difference]: Start difference. First operand 543 states and 609 transitions. Second operand has 6 states, 6 states have (on average 24.666666666666668) internal successors, (148), 6 states have internal predecessors, (148), 5 states have call successors, (40), 4 states have call predecessors, (40), 5 states have return successors, (37), 4 states have call predecessors, (37), 4 states have call successors, (37) [2023-04-02 07:13:34,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:13:34,652 INFO L93 Difference]: Finished difference Result 636 states and 742 transitions. [2023-04-02 07:13:34,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-02 07:13:34,652 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 24.666666666666668) internal successors, (148), 6 states have internal predecessors, (148), 5 states have call successors, (40), 4 states have call predecessors, (40), 5 states have return successors, (37), 4 states have call predecessors, (37), 4 states have call successors, (37) Word has length 258 [2023-04-02 07:13:34,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:13:34,655 INFO L225 Difference]: With dead ends: 636 [2023-04-02 07:13:34,655 INFO L226 Difference]: Without dead ends: 613 [2023-04-02 07:13:34,655 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 353 GetRequests, 331 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=63, Invalid=489, Unknown=0, NotChecked=0, Total=552 [2023-04-02 07:13:34,655 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 344 mSDsluCounter, 399 mSDsCounter, 0 mSdLazyCounter, 882 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 366 SdHoareTripleChecker+Valid, 580 SdHoareTripleChecker+Invalid, 1028 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 882 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-04-02 07:13:34,656 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [366 Valid, 580 Invalid, 1028 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 882 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-04-02 07:13:34,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states. [2023-04-02 07:13:34,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 524. [2023-04-02 07:13:34,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 524 states, 356 states have (on average 1.1207865168539326) internal successors, (399), 360 states have internal predecessors, (399), 92 states have call successors, (92), 74 states have call predecessors, (92), 75 states have return successors, (97), 89 states have call predecessors, (97), 84 states have call successors, (97) [2023-04-02 07:13:34,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 588 transitions. [2023-04-02 07:13:34,728 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 588 transitions. Word has length 258 [2023-04-02 07:13:34,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:13:34,728 INFO L495 AbstractCegarLoop]: Abstraction has 524 states and 588 transitions. [2023-04-02 07:13:34,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.666666666666668) internal successors, (148), 6 states have internal predecessors, (148), 5 states have call successors, (40), 4 states have call predecessors, (40), 5 states have return successors, (37), 4 states have call predecessors, (37), 4 states have call successors, (37) [2023-04-02 07:13:34,728 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 588 transitions. [2023-04-02 07:13:34,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2023-04-02 07:13:34,730 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:13:34,730 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 07:13:34,742 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-04-02 07:13:34,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2023-04-02 07:13:34,944 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:13:34,944 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:13:34,944 INFO L85 PathProgramCache]: Analyzing trace with hash -1779158853, now seen corresponding path program 1 times [2023-04-02 07:13:34,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:13:34,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248222029] [2023-04-02 07:13:34,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:13:34,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:13:35,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:35,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:35,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:35,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:13:35,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:35,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:13:35,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:35,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:35,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:35,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:35,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:35,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 07:13:35,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:35,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 07:13:36,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:36,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:36,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:36,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:13:36,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:36,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 07:13:36,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:36,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:36,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:36,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:36,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:36,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-04-02 07:13:36,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:36,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:36,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:36,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 07:13:36,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:36,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:36,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:36,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:36,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:36,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-04-02 07:13:36,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:36,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:13:36,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:36,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:36,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:36,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-04-02 07:13:36,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:36,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:13:36,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:36,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:36,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:36,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-04-02 07:13:36,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:36,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-04-02 07:13:36,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:36,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-04-02 07:13:36,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:36,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-04-02 07:13:36,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:36,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:36,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:36,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-04-02 07:13:36,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:36,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-04-02 07:13:36,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:36,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-04-02 07:13:36,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:36,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-04-02 07:13:36,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:36,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-04-02 07:13:36,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:36,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-04-02 07:13:36,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:36,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-04-02 07:13:36,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:36,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-04-02 07:13:36,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:36,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-04-02 07:13:36,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:36,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-04-02 07:13:36,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:36,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-04-02 07:13:36,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:36,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2023-04-02 07:13:36,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:36,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:36,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:36,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:36,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:36,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-04-02 07:13:36,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:36,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:36,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:36,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2023-04-02 07:13:36,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:36,794 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 10 proven. 17 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-04-02 07:13:36,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:13:36,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248222029] [2023-04-02 07:13:36,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248222029] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 07:13:36,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [704558309] [2023-04-02 07:13:36,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:13:36,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 07:13:36,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 07:13:36,795 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 07:13:36,799 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-04-02 07:13:38,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:38,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 2477 conjuncts, 15 conjunts are in the unsatisfiable core [2023-04-02 07:13:38,052 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 07:13:38,148 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-04-02 07:13:38,148 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 07:13:38,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [704558309] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:13:38,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 07:13:38,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [20] total 24 [2023-04-02 07:13:38,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736837789] [2023-04-02 07:13:38,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:13:38,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-02 07:13:38,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:13:38,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-02 07:13:38,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=491, Unknown=0, NotChecked=0, Total=552 [2023-04-02 07:13:38,152 INFO L87 Difference]: Start difference. First operand 524 states and 588 transitions. Second operand has 6 states, 6 states have (on average 29.333333333333332) internal successors, (176), 5 states have internal predecessors, (176), 4 states have call successors, (45), 3 states have call predecessors, (45), 4 states have return successors, (41), 5 states have call predecessors, (41), 4 states have call successors, (41) [2023-04-02 07:13:38,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:13:38,264 INFO L93 Difference]: Finished difference Result 846 states and 951 transitions. [2023-04-02 07:13:38,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-02 07:13:38,264 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 29.333333333333332) internal successors, (176), 5 states have internal predecessors, (176), 4 states have call successors, (45), 3 states have call predecessors, (45), 4 states have return successors, (41), 5 states have call predecessors, (41), 4 states have call successors, (41) Word has length 295 [2023-04-02 07:13:38,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:13:38,266 INFO L225 Difference]: With dead ends: 846 [2023-04-02 07:13:38,266 INFO L226 Difference]: Without dead ends: 428 [2023-04-02 07:13:38,267 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 397 GetRequests, 374 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=65, Invalid=535, Unknown=0, NotChecked=0, Total=600 [2023-04-02 07:13:38,267 INFO L413 NwaCegarLoop]: 321 mSDtfsCounter, 59 mSDsluCounter, 1197 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 1518 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-02 07:13:38,267 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 1518 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 07:13:38,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2023-04-02 07:13:38,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 400. [2023-04-02 07:13:38,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 271 states have (on average 1.1143911439114391) internal successors, (302), 274 states have internal predecessors, (302), 68 states have call successors, (68), 56 states have call predecessors, (68), 60 states have return successors, (74), 69 states have call predecessors, (74), 64 states have call successors, (74) [2023-04-02 07:13:38,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 444 transitions. [2023-04-02 07:13:38,355 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 444 transitions. Word has length 295 [2023-04-02 07:13:38,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:13:38,356 INFO L495 AbstractCegarLoop]: Abstraction has 400 states and 444 transitions. [2023-04-02 07:13:38,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.333333333333332) internal successors, (176), 5 states have internal predecessors, (176), 4 states have call successors, (45), 3 states have call predecessors, (45), 4 states have return successors, (41), 5 states have call predecessors, (41), 4 states have call successors, (41) [2023-04-02 07:13:38,356 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 444 transitions. [2023-04-02 07:13:38,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2023-04-02 07:13:38,357 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:13:38,357 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 07:13:38,370 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-04-02 07:13:38,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2023-04-02 07:13:38,570 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:13:38,571 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:13:38,571 INFO L85 PathProgramCache]: Analyzing trace with hash 1828283971, now seen corresponding path program 1 times [2023-04-02 07:13:38,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:13:38,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717569911] [2023-04-02 07:13:38,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:13:38,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:13:38,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:39,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:39,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:39,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:13:39,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:39,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:13:39,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:39,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:39,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:39,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:39,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:39,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 07:13:39,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:39,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 07:13:39,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:39,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:39,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:39,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:13:39,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:39,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 07:13:39,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:40,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:40,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:40,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:40,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:40,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-04-02 07:13:40,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:40,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:40,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:40,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 07:13:40,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:40,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:40,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:40,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:40,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:40,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-04-02 07:13:40,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:40,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:13:40,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:40,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:40,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:40,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-04-02 07:13:40,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:40,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:13:40,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:40,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:40,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:40,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-04-02 07:13:40,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:40,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-04-02 07:13:40,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:40,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-04-02 07:13:40,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:40,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-04-02 07:13:40,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:40,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:40,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:40,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-04-02 07:13:40,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:40,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-04-02 07:13:40,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:40,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-04-02 07:13:40,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:40,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-04-02 07:13:40,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:40,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-04-02 07:13:40,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:40,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-04-02 07:13:40,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:40,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-04-02 07:13:40,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:40,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:40,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:40,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-04-02 07:13:40,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:40,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2023-04-02 07:13:40,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:40,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:40,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:40,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:40,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:40,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:40,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:40,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-02 07:13:40,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:40,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:40,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:40,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-04-02 07:13:40,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:40,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-04-02 07:13:40,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:40,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-04-02 07:13:40,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:40,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-04-02 07:13:40,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:40,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2023-04-02 07:13:40,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:40,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:40,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:40,251 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 8 proven. 17 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-04-02 07:13:40,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:13:40,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717569911] [2023-04-02 07:13:40,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717569911] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 07:13:40,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1566530656] [2023-04-02 07:13:40,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:13:40,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 07:13:40,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 07:13:40,253 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 07:13:40,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-04-02 07:13:41,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:41,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 2528 conjuncts, 27 conjunts are in the unsatisfiable core [2023-04-02 07:13:41,373 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 07:13:41,569 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2023-04-02 07:13:41,569 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-02 07:13:42,162 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2023-04-02 07:13:42,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1566530656] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-02 07:13:42,162 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-02 07:13:42,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 7, 8] total 29 [2023-04-02 07:13:42,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218195094] [2023-04-02 07:13:42,163 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-02 07:13:42,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2023-04-02 07:13:42,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:13:42,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2023-04-02 07:13:42,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=718, Unknown=0, NotChecked=0, Total=812 [2023-04-02 07:13:42,165 INFO L87 Difference]: Start difference. First operand 400 states and 444 transitions. Second operand has 29 states, 29 states have (on average 11.689655172413794) internal successors, (339), 16 states have internal predecessors, (339), 13 states have call successors, (120), 16 states have call predecessors, (120), 12 states have return successors, (112), 16 states have call predecessors, (112), 13 states have call successors, (112) [2023-04-02 07:13:46,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:13:46,546 INFO L93 Difference]: Finished difference Result 802 states and 910 transitions. [2023-04-02 07:13:46,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-04-02 07:13:46,547 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 11.689655172413794) internal successors, (339), 16 states have internal predecessors, (339), 13 states have call successors, (120), 16 states have call predecessors, (120), 12 states have return successors, (112), 16 states have call predecessors, (112), 13 states have call successors, (112) Word has length 308 [2023-04-02 07:13:46,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:13:46,548 INFO L225 Difference]: With dead ends: 802 [2023-04-02 07:13:46,548 INFO L226 Difference]: Without dead ends: 469 [2023-04-02 07:13:46,550 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 763 GetRequests, 707 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 552 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=589, Invalid=2717, Unknown=0, NotChecked=0, Total=3306 [2023-04-02 07:13:46,550 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 1245 mSDsluCounter, 1491 mSDsCounter, 0 mSdLazyCounter, 4048 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1245 SdHoareTripleChecker+Valid, 1596 SdHoareTripleChecker+Invalid, 4708 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 4048 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-04-02 07:13:46,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1245 Valid, 1596 Invalid, 4708 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 4048 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-04-02 07:13:46,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2023-04-02 07:13:46,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 421. [2023-04-02 07:13:46,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 286 states have (on average 1.1048951048951048) internal successors, (316), 287 states have internal predecessors, (316), 68 states have call successors, (68), 56 states have call predecessors, (68), 66 states have return successors, (82), 77 states have call predecessors, (82), 65 states have call successors, (82) [2023-04-02 07:13:46,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 466 transitions. [2023-04-02 07:13:46,630 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 466 transitions. Word has length 308 [2023-04-02 07:13:46,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:13:46,631 INFO L495 AbstractCegarLoop]: Abstraction has 421 states and 466 transitions. [2023-04-02 07:13:46,631 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 11.689655172413794) internal successors, (339), 16 states have internal predecessors, (339), 13 states have call successors, (120), 16 states have call predecessors, (120), 12 states have return successors, (112), 16 states have call predecessors, (112), 13 states have call successors, (112) [2023-04-02 07:13:46,631 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 466 transitions. [2023-04-02 07:13:46,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2023-04-02 07:13:46,632 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:13:46,632 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 07:13:46,647 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-04-02 07:13:46,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2023-04-02 07:13:46,833 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:13:46,833 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:13:46,834 INFO L85 PathProgramCache]: Analyzing trace with hash -1031185772, now seen corresponding path program 1 times [2023-04-02 07:13:46,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:13:46,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972460276] [2023-04-02 07:13:46,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:13:46,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:13:46,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:47,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:47,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:47,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:13:47,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:47,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:13:47,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:47,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:47,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:47,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:47,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:47,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 07:13:47,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:47,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 07:13:47,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:47,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:47,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:47,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:13:47,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:47,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 07:13:47,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:47,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:47,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:47,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:47,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:47,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-04-02 07:13:47,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:48,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:48,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:48,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 07:13:48,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:48,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:48,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:48,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:48,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:48,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-04-02 07:13:48,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:48,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:13:48,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:48,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:48,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:48,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-04-02 07:13:48,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:48,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:13:48,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:48,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:48,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:48,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-04-02 07:13:48,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:48,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-04-02 07:13:48,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:48,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-04-02 07:13:48,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:48,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-04-02 07:13:48,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:48,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:48,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:48,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-04-02 07:13:48,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:48,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-04-02 07:13:48,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:48,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-04-02 07:13:48,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:48,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-04-02 07:13:48,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:48,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-04-02 07:13:48,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:48,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-04-02 07:13:48,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:48,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-04-02 07:13:48,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:48,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:48,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:48,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-04-02 07:13:48,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:48,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2023-04-02 07:13:48,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:48,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:48,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:48,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:48,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:48,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:48,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:48,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-02 07:13:48,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:48,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:48,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:48,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-04-02 07:13:48,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:48,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-04-02 07:13:48,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:48,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-04-02 07:13:48,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:48,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-04-02 07:13:48,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:48,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2023-04-02 07:13:48,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:48,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:48,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:48,417 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 19 proven. 6 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-04-02 07:13:48,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:13:48,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972460276] [2023-04-02 07:13:48,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972460276] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 07:13:48,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [101899623] [2023-04-02 07:13:48,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:13:48,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 07:13:48,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 07:13:48,418 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 07:13:48,442 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-04-02 07:13:49,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:49,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 2539 conjuncts, 16 conjunts are in the unsatisfiable core [2023-04-02 07:13:49,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 07:13:49,971 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-04-02 07:13:49,971 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-02 07:13:50,725 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-04-02 07:13:50,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [101899623] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-02 07:13:50,725 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-02 07:13:50,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 10, 10] total 36 [2023-04-02 07:13:50,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950492207] [2023-04-02 07:13:50,725 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-02 07:13:50,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2023-04-02 07:13:50,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:13:50,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2023-04-02 07:13:50,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=1104, Unknown=0, NotChecked=0, Total=1260 [2023-04-02 07:13:50,729 INFO L87 Difference]: Start difference. First operand 421 states and 466 transitions. Second operand has 36 states, 36 states have (on average 9.63888888888889) internal successors, (347), 21 states have internal predecessors, (347), 13 states have call successors, (120), 19 states have call predecessors, (120), 15 states have return successors, (112), 17 states have call predecessors, (112), 13 states have call successors, (112) [2023-04-02 07:13:55,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:13:55,523 INFO L93 Difference]: Finished difference Result 818 states and 927 transitions. [2023-04-02 07:13:55,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-04-02 07:13:55,524 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 9.63888888888889) internal successors, (347), 21 states have internal predecessors, (347), 13 states have call successors, (120), 19 states have call predecessors, (120), 15 states have return successors, (112), 17 states have call predecessors, (112), 13 states have call successors, (112) Word has length 309 [2023-04-02 07:13:55,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:13:55,524 INFO L225 Difference]: With dead ends: 818 [2023-04-02 07:13:55,524 INFO L226 Difference]: Without dead ends: 0 [2023-04-02 07:13:55,528 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 770 GetRequests, 697 SyntacticMatches, 5 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 946 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=979, Invalid=3851, Unknown=0, NotChecked=0, Total=4830 [2023-04-02 07:13:55,529 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 1359 mSDsluCounter, 1718 mSDsCounter, 0 mSdLazyCounter, 4582 mSolverCounterSat, 686 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1359 SdHoareTripleChecker+Valid, 1826 SdHoareTripleChecker+Invalid, 5268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 686 IncrementalHoareTripleChecker+Valid, 4582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-04-02 07:13:55,530 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1359 Valid, 1826 Invalid, 5268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [686 Valid, 4582 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-04-02 07:13:55,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-02 07:13:55,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-02 07:13:55,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-04-02 07:13:55,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-02 07:13:55,532 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 309 [2023-04-02 07:13:55,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:13:55,532 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-02 07:13:55,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 9.63888888888889) internal successors, (347), 21 states have internal predecessors, (347), 13 states have call successors, (120), 19 states have call predecessors, (120), 15 states have return successors, (112), 17 states have call predecessors, (112), 13 states have call successors, (112) [2023-04-02 07:13:55,532 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-02 07:13:55,532 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-02 07:13:55,534 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-02 07:13:55,551 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-04-02 07:13:55,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2023-04-02 07:13:55,751 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-02 07:14:01,512 WARN L223 SmtUtils]: Spent 5.21s on a formula simplification. DAG size of input: 158 DAG size of output: 38 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or)