/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/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -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 [2023-04-03 03:39:18,734 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 03:39:18,735 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 03:39:18,753 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 03:39:18,753 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 03:39:18,754 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 03:39:18,754 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 03:39:18,755 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 03:39:18,763 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 03:39:18,764 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 03:39:18,765 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 03:39:18,765 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 03:39:18,765 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 03:39:18,766 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 03:39:18,767 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 03:39:18,767 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 03:39:18,768 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 03:39:18,768 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 03:39:18,769 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 03:39:18,770 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 03:39:18,771 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 03:39:18,777 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 03:39:18,778 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 03:39:18,778 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 03:39:18,780 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 03:39:18,781 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 03:39:18,781 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 03:39:18,781 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 03:39:18,782 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 03:39:18,782 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 03:39:18,782 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 03:39:18,783 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 03:39:18,783 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 03:39:18,784 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 03:39:18,784 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 03:39:18,791 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 03:39:18,792 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 03:39:18,792 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 03:39:18,793 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 03:39:18,795 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 03:39:18,796 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 03:39:18,797 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-03 03:39:18,815 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 03:39:18,816 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 03:39:18,816 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 03:39:18,816 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 03:39:18,816 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 03:39:18,817 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 03:39:18,817 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 03:39:18,817 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 03:39:18,817 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 03:39:18,817 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 03:39:18,817 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 03:39:18,817 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 03:39:18,817 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 03:39:18,818 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 03:39:18,818 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 03:39:18,818 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 03:39:18,818 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 03:39:18,818 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 03:39:18,819 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 03:39:18,819 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 03:39:18,819 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 03:39:18,819 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 03:39:18,820 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 03:39:18,820 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 03:39:18,820 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 03:39:18,820 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 03:39:18,820 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 03:39:18,820 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 03:39:18,820 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 03:39:18,820 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 03:39:18,821 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 03:39:18,821 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 03:39:18,821 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 03:39:18,821 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 03:39:18,821 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 03:39:18,821 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 03:39:18,821 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 03:39:18,821 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 03:39:18,821 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 03:39:18,821 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 03:39:18,822 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 03:39:18,822 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 03:39:19,023 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 03:39:19,036 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 03:39:19,038 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 03:39:19,039 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 03:39:19,039 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 03:39:19,040 INFO L432 ainManager$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 [2023-04-03 03:39:20,058 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 03:39:20,371 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 03:39:20,371 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 [2023-04-03 03:39:20,393 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/032354b81/75315c65279c48cdb1a98ffdf5dfa6c6/FLAGfed31d6b1 [2023-04-03 03:39:20,407 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/032354b81/75315c65279c48cdb1a98ffdf5dfa6c6 [2023-04-03 03:39:20,409 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 03:39:20,410 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 03:39:20,414 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 03:39:20,414 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 03:39:20,416 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 03:39:20,416 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 03:39:20" (1/1) ... [2023-04-03 03:39:20,417 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b7c13d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 03:39:20, skipping insertion in model container [2023-04-03 03:39:20,418 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 03:39:20" (1/1) ... [2023-04-03 03:39:20,422 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 03:39:20,496 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 03:39:20,927 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] [2023-04-03 03:39:20,953 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 03:39:20,975 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 03:39:21,073 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] [2023-04-03 03:39:21,083 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 03:39:21,114 INFO L208 MainTranslator]: Completed translation [2023-04-03 03:39:21,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 03:39:21 WrapperNode [2023-04-03 03:39:21,115 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 03:39:21,115 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 03:39:21,115 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 03:39:21,115 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 03:39:21,123 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 03:39:21" (1/1) ... [2023-04-03 03:39:21,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 03:39:21" (1/1) ... [2023-04-03 03:39:21,156 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 03:39:21" (1/1) ... [2023-04-03 03:39:21,157 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 03:39:21" (1/1) ... [2023-04-03 03:39:21,210 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 03:39:21" (1/1) ... [2023-04-03 03:39:21,215 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 03:39:21" (1/1) ... [2023-04-03 03:39:21,219 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 03:39:21" (1/1) ... [2023-04-03 03:39:21,221 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 03:39:21" (1/1) ... [2023-04-03 03:39:21,226 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 03:39:21,227 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 03:39:21,227 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 03:39:21,227 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 03:39:21,228 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 03:39:21" (1/1) ... [2023-04-03 03:39:21,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 03:39:21,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 03:39:21,247 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) [2023-04-03 03:39:21,253 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 [2023-04-03 03:39:21,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 03:39:21,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 03:39:21,276 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 03:39:21,276 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2023-04-03 03:39:21,277 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-04-03 03:39:21,277 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-04-03 03:39:21,277 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2023-04-03 03:39:21,277 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2023-04-03 03:39:21,277 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2023-04-03 03:39:21,277 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2023-04-03 03:39:21,277 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2023-04-03 03:39:21,277 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2023-04-03 03:39:21,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-04-03 03:39:21,278 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2023-04-03 03:39:21,278 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2023-04-03 03:39:21,278 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2023-04-03 03:39:21,278 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2023-04-03 03:39:21,278 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2023-04-03 03:39:21,278 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2023-04-03 03:39:21,278 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_to_input_id [2023-04-03 03:39:21,278 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2023-04-03 03:39:21,278 INFO L138 BoogieDeclarations]: Found implementation of procedure kbtab_irq [2023-04-03 03:39:21,278 INFO L138 BoogieDeclarations]: Found implementation of procedure kbtab_open [2023-04-03 03:39:21,278 INFO L138 BoogieDeclarations]: Found implementation of procedure kbtab_close [2023-04-03 03:39:21,279 INFO L138 BoogieDeclarations]: Found implementation of procedure kbtab_probe [2023-04-03 03:39:21,279 INFO L138 BoogieDeclarations]: Found implementation of procedure kbtab_disconnect [2023-04-03 03:39:21,279 INFO L138 BoogieDeclarations]: Found implementation of procedure kbtab_init [2023-04-03 03:39:21,279 INFO L138 BoogieDeclarations]: Found implementation of procedure kbtab_exit [2023-04-03 03:39:21,279 INFO L138 BoogieDeclarations]: Found implementation of procedure init_module [2023-04-03 03:39:21,279 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_module [2023-04-03 03:39:21,279 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 03:39:21,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2023-04-03 03:39:21,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2023-04-03 03:39:21,279 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2023-04-03 03:39:21,279 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2023-04-03 03:39:21,279 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2023-04-03 03:39:21,279 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-04-03 03:39:21,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-03 03:39:21,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-03 03:39:21,280 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-04-03 03:39:21,280 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-04-03 03:39:21,280 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-04-03 03:39:21,280 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2023-04-03 03:39:21,280 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2023-04-03 03:39:21,281 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2023-04-03 03:39:21,281 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2023-04-03 03:39:21,281 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2023-04-03 03:39:21,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2023-04-03 03:39:21,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-03 03:39:21,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2023-04-03 03:39:21,281 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-03 03:39:21,282 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2023-04-03 03:39:21,282 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2023-04-03 03:39:21,282 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-04-03 03:39:21,282 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2023-04-03 03:39:21,282 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2023-04-03 03:39:21,282 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-03 03:39:21,282 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 03:39:21,282 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 03:39:21,283 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-03 03:39:21,283 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-03 03:39:21,283 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 03:39:21,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 03:39:21,283 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2023-04-03 03:39:21,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 03:39:21,284 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-03 03:39:21,284 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2023-04-03 03:39:21,284 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2023-04-03 03:39:21,284 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-03 03:39:21,284 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-04-03 03:39:21,284 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-04-03 03:39:21,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-03 03:39:21,284 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-04-03 03:39:21,284 INFO L130 BoogieDeclarations]: Found specification of procedure init_module [2023-04-03 03:39:21,284 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_module [2023-04-03 03:39:21,284 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-04-03 03:39:21,284 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-04-03 03:39:21,284 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2023-04-03 03:39:21,284 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2023-04-03 03:39:21,284 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2023-04-03 03:39:21,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 03:39:21,285 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2023-04-03 03:39:21,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 03:39:21,285 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2023-04-03 03:39:21,286 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2023-04-03 03:39:21,286 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2023-04-03 03:39:21,286 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2023-04-03 03:39:21,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 03:39:21,286 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2023-04-03 03:39:21,286 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-04-03 03:39:21,286 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2023-04-03 03:39:21,286 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-04-03 03:39:21,286 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2023-04-03 03:39:21,286 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2023-04-03 03:39:21,286 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-04-03 03:39:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2023-04-03 03:39:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2023-04-03 03:39:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2023-04-03 03:39:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2023-04-03 03:39:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2023-04-03 03:39:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2023-04-03 03:39:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2023-04-03 03:39:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2023-04-03 03:39:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2023-04-03 03:39:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2023-04-03 03:39:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2023-04-03 03:39:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure usb_to_input_id [2023-04-03 03:39:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2023-04-03 03:39:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure kbtab_irq [2023-04-03 03:39:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure kbtab_open [2023-04-03 03:39:21,288 INFO L130 BoogieDeclarations]: Found specification of procedure kbtab_close [2023-04-03 03:39:21,288 INFO L130 BoogieDeclarations]: Found specification of procedure kbtab_probe [2023-04-03 03:39:21,288 INFO L130 BoogieDeclarations]: Found specification of procedure kbtab_disconnect [2023-04-03 03:39:21,288 INFO L130 BoogieDeclarations]: Found specification of procedure kbtab_init [2023-04-03 03:39:21,288 INFO L130 BoogieDeclarations]: Found specification of procedure kbtab_exit [2023-04-03 03:39:21,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-03 03:39:21,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2023-04-03 03:39:21,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-03 03:39:21,288 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 03:39:21,288 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 03:39:21,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2023-04-03 03:39:21,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2023-04-03 03:39:21,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2023-04-03 03:39:21,291 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-04-03 03:39:21,294 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 03:39:21,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-03 03:39:21,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 03:39:21,294 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-03 03:39:21,295 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 03:39:21,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 03:39:21,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 03:39:21,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 03:39:21,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-03 03:39:21,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 03:39:21,576 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 03:39:21,578 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 03:39:21,638 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-04-03 03:39:21,689 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2023-04-03 03:39:21,690 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2023-04-03 03:39:21,976 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-04-03 03:39:22,011 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2023-04-03 03:39:22,011 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2023-04-03 03:39:22,165 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2023-04-03 03:39:22,443 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 03:39:22,625 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 03:39:22,625 INFO L302 CfgBuilder]: Removed 7 assume(true) statements. [2023-04-03 03:39:22,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 03:39:22 BoogieIcfgContainer [2023-04-03 03:39:22,630 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 03:39:22,632 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 03:39:22,632 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 03:39:22,634 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 03:39:22,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 03:39:20" (1/3) ... [2023-04-03 03:39:22,635 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@605cdf13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 03:39:22, skipping insertion in model container [2023-04-03 03:39:22,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 03:39:21" (2/3) ... [2023-04-03 03:39:22,635 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@605cdf13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 03:39:22, skipping insertion in model container [2023-04-03 03:39:22,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 03:39:22" (3/3) ... [2023-04-03 03:39:22,639 INFO L112 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-input-tablet-kbtab.ko.cil.out.i [2023-04-03 03:39:22,651 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 03:39:22,651 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 03:39:22,698 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 03:39:22,704 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=FINITE_AUTOMATA, 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;@18af2a45, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 03:39:22,705 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 03:39:22,710 INFO L276 IsEmpty]: Start isEmpty. Operand has 241 states, 132 states have (on average 1.2272727272727273) internal successors, (162), 140 states have internal predecessors, (162), 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) [2023-04-03 03:39:22,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-04-03 03:39:22,716 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 03:39:22,716 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] [2023-04-03 03:39:22,717 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 03:39:22,721 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 03:39:22,721 INFO L85 PathProgramCache]: Analyzing trace with hash 1550356853, now seen corresponding path program 1 times [2023-04-03 03:39:22,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 03:39:22,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065303981] [2023-04-03 03:39:22,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 03:39:22,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 03:39:22,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 03:39:23,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 03:39:23,296 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 03:39:23,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065303981] [2023-04-03 03:39:23,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065303981] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 03:39:23,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 03:39:23,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 03:39:23,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321309637] [2023-04-03 03:39:23,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 03:39:23,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 03:39:23,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 03:39:23,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 03:39:23,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 03:39:23,333 INFO L87 Difference]: Start difference. First operand has 241 states, 132 states have (on average 1.2272727272727273) internal successors, (162), 140 states have internal predecessors, (162), 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 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-04-03 03:39:23,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 03:39:23,944 INFO L93 Difference]: Finished difference Result 536 states and 665 transitions. [2023-04-03 03:39:23,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 03:39:23,946 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (8), 3 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 27 [2023-04-03 03:39:23,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 03:39:23,954 INFO L225 Difference]: With dead ends: 536 [2023-04-03 03:39:23,955 INFO L226 Difference]: Without dead ends: 334 [2023-04-03 03:39:23,958 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 03:39:23,960 INFO L413 NwaCegarLoop]: 208 mSDtfsCounter, 176 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-04-03 03:39:23,960 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 383 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-04-03 03:39:23,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2023-04-03 03:39:24,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 329. [2023-04-03 03:39:24,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 186 states have (on average 1.1774193548387097) internal successors, (219), 191 states have internal predecessors, (219), 83 states have call successors, (83), 64 states have call predecessors, (83), 59 states have return successors, (77), 74 states have call predecessors, (77), 76 states have call successors, (77) [2023-04-03 03:39:24,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 379 transitions. [2023-04-03 03:39:24,016 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 379 transitions. Word has length 27 [2023-04-03 03:39:24,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 03:39:24,016 INFO L495 AbstractCegarLoop]: Abstraction has 329 states and 379 transitions. [2023-04-03 03:39:24,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-04-03 03:39:24,016 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 379 transitions. [2023-04-03 03:39:24,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-04-03 03:39:24,017 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 03:39:24,017 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] [2023-04-03 03:39:24,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 03:39:24,017 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 03:39:24,018 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 03:39:24,018 INFO L85 PathProgramCache]: Analyzing trace with hash 816221699, now seen corresponding path program 1 times [2023-04-03 03:39:24,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 03:39:24,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760869175] [2023-04-03 03:39:24,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 03:39:24,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 03:39:24,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 03:39:24,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 03:39:24,184 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 03:39:24,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760869175] [2023-04-03 03:39:24,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760869175] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 03:39:24,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 03:39:24,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 03:39:24,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261113773] [2023-04-03 03:39:24,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 03:39:24,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 03:39:24,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 03:39:24,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 03:39:24,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 03:39:24,189 INFO L87 Difference]: Start difference. First operand 329 states and 379 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-04-03 03:39:24,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 03:39:24,630 INFO L93 Difference]: Finished difference Result 749 states and 867 transitions. [2023-04-03 03:39:24,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 03:39:24,631 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 3 states have call successors, (8), 3 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 28 [2023-04-03 03:39:24,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 03:39:24,633 INFO L225 Difference]: With dead ends: 749 [2023-04-03 03:39:24,633 INFO L226 Difference]: Without dead ends: 438 [2023-04-03 03:39:24,634 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 03:39:24,635 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 148 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-03 03:39:24,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 372 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-03 03:39:24,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2023-04-03 03:39:24,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 432. [2023-04-03 03:39:24,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 246 states have (on average 1.1666666666666667) internal successors, (287), 251 states have internal predecessors, (287), 107 states have call successors, (107), 84 states have call predecessors, (107), 78 states have return successors, (103), 96 states have call predecessors, (103), 100 states have call successors, (103) [2023-04-03 03:39:24,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 497 transitions. [2023-04-03 03:39:24,661 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 497 transitions. Word has length 28 [2023-04-03 03:39:24,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 03:39:24,661 INFO L495 AbstractCegarLoop]: Abstraction has 432 states and 497 transitions. [2023-04-03 03:39:24,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-04-03 03:39:24,662 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 497 transitions. [2023-04-03 03:39:24,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-04-03 03:39:24,663 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 03:39:24,663 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] [2023-04-03 03:39:24,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 03:39:24,663 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 03:39:24,663 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 03:39:24,663 INFO L85 PathProgramCache]: Analyzing trace with hash -651169423, now seen corresponding path program 1 times [2023-04-03 03:39:24,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 03:39:24,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247977939] [2023-04-03 03:39:24,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 03:39:24,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 03:39:24,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 03:39:24,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 03:39:24,833 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 03:39:24,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247977939] [2023-04-03 03:39:24,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247977939] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 03:39:24,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 03:39:24,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 03:39:24,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782910522] [2023-04-03 03:39:24,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 03:39:24,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 03:39:24,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 03:39:24,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 03:39:24,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-04-03 03:39:24,835 INFO L87 Difference]: Start difference. First operand 432 states and 497 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-04-03 03:39:25,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 03:39:25,571 INFO L93 Difference]: Finished difference Result 913 states and 1088 transitions. [2023-04-03 03:39:25,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 03:39:25,574 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 63 [2023-04-03 03:39:25,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 03:39:25,577 INFO L225 Difference]: With dead ends: 913 [2023-04-03 03:39:25,577 INFO L226 Difference]: Without dead ends: 506 [2023-04-03 03:39:25,578 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-04-03 03:39:25,578 INFO L413 NwaCegarLoop]: 200 mSDtfsCounter, 31 mSDsluCounter, 565 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 765 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-04-03 03:39:25,579 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 765 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-04-03 03:39:25,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506 states. [2023-04-03 03:39:25,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506 to 479. [2023-04-03 03:39:25,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 479 states, 293 states have (on average 1.2150170648464165) internal successors, (356), 298 states have internal predecessors, (356), 107 states have call successors, (107), 84 states have call predecessors, (107), 78 states have return successors, (103), 96 states have call predecessors, (103), 100 states have call successors, (103) [2023-04-03 03:39:25,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 566 transitions. [2023-04-03 03:39:25,610 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 566 transitions. Word has length 63 [2023-04-03 03:39:25,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 03:39:25,610 INFO L495 AbstractCegarLoop]: Abstraction has 479 states and 566 transitions. [2023-04-03 03:39:25,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-04-03 03:39:25,610 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 566 transitions. [2023-04-03 03:39:25,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-04-03 03:39:25,613 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 03:39:25,613 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2023-04-03 03:39:25,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 03:39:25,614 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 03:39:25,614 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 03:39:25,614 INFO L85 PathProgramCache]: Analyzing trace with hash 1194329649, now seen corresponding path program 1 times [2023-04-03 03:39:25,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 03:39:25,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826147931] [2023-04-03 03:39:25,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 03:39:25,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 03:39:25,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 03:39:26,400 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-03 03:39:26,401 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 03:39:26,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826147931] [2023-04-03 03:39:26,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826147931] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 03:39:26,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 03:39:26,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-03 03:39:26,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655007580] [2023-04-03 03:39:26,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 03:39:26,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 03:39:26,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 03:39:26,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 03:39:26,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-04-03 03:39:26,403 INFO L87 Difference]: Start difference. First operand 479 states and 566 transitions. Second operand has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 6 states have internal predecessors, (51), 4 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (21), 4 states have call predecessors, (21), 3 states have call successors, (21) [2023-04-03 03:39:27,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 03:39:27,449 INFO L93 Difference]: Finished difference Result 842 states and 997 transitions. [2023-04-03 03:39:27,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-03 03:39:27,450 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 6 states have internal predecessors, (51), 4 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (21), 4 states have call predecessors, (21), 3 states have call successors, (21) Word has length 110 [2023-04-03 03:39:27,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 03:39:27,455 INFO L225 Difference]: With dead ends: 842 [2023-04-03 03:39:27,455 INFO L226 Difference]: Without dead ends: 498 [2023-04-03 03:39:27,457 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2023-04-03 03:39:27,464 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 516 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 401 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 532 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 762 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 401 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-04-03 03:39:27,465 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [532 Valid, 302 Invalid, 762 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [401 Valid, 361 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-04-03 03:39:27,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2023-04-03 03:39:27,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 367. [2023-04-03 03:39:27,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 367 states, 219 states have (on average 1.1963470319634704) internal successors, (262), 225 states have internal predecessors, (262), 85 states have call successors, (85), 65 states have call predecessors, (85), 62 states have return successors, (81), 76 states have call predecessors, (81), 79 states have call successors, (81) [2023-04-03 03:39:27,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 428 transitions. [2023-04-03 03:39:27,487 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 428 transitions. Word has length 110 [2023-04-03 03:39:27,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 03:39:27,487 INFO L495 AbstractCegarLoop]: Abstraction has 367 states and 428 transitions. [2023-04-03 03:39:27,487 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 6 states have internal predecessors, (51), 4 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (21), 4 states have call predecessors, (21), 3 states have call successors, (21) [2023-04-03 03:39:27,487 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 428 transitions. [2023-04-03 03:39:27,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-04-03 03:39:27,488 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 03:39:27,488 INFO L195 NwaCegarLoop]: trace histogram [4, 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] [2023-04-03 03:39:27,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 03:39:27,489 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 03:39:27,489 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 03:39:27,489 INFO L85 PathProgramCache]: Analyzing trace with hash 38172132, now seen corresponding path program 1 times [2023-04-03 03:39:27,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 03:39:27,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507714559] [2023-04-03 03:39:27,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 03:39:27,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 03:39:27,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 03:39:28,384 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-04-03 03:39:28,385 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 03:39:28,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507714559] [2023-04-03 03:39:28,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507714559] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 03:39:28,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 03:39:28,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-03 03:39:28,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368822915] [2023-04-03 03:39:28,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 03:39:28,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-03 03:39:28,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 03:39:28,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-03 03:39:28,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-04-03 03:39:28,388 INFO L87 Difference]: Start difference. First operand 367 states and 428 transitions. Second operand has 8 states, 8 states have (on average 6.5) internal successors, (52), 7 states have internal predecessors, (52), 5 states have call successors, (21), 5 states have call predecessors, (21), 3 states have return successors, (17), 5 states have call predecessors, (17), 4 states have call successors, (17) [2023-04-03 03:39:30,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 03:39:30,132 INFO L93 Difference]: Finished difference Result 727 states and 859 transitions. [2023-04-03 03:39:30,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-04-03 03:39:30,133 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 7 states have internal predecessors, (52), 5 states have call successors, (21), 5 states have call predecessors, (21), 3 states have return successors, (17), 5 states have call predecessors, (17), 4 states have call successors, (17) Word has length 108 [2023-04-03 03:39:30,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 03:39:30,136 INFO L225 Difference]: With dead ends: 727 [2023-04-03 03:39:30,136 INFO L226 Difference]: Without dead ends: 724 [2023-04-03 03:39:30,136 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-04-03 03:39:30,137 INFO L413 NwaCegarLoop]: 226 mSDtfsCounter, 768 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 855 mSolverCounterSat, 436 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 806 SdHoareTripleChecker+Valid, 603 SdHoareTripleChecker+Invalid, 1291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 436 IncrementalHoareTripleChecker+Valid, 855 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-04-03 03:39:30,137 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [806 Valid, 603 Invalid, 1291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [436 Valid, 855 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-04-03 03:39:30,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 724 states. [2023-04-03 03:39:30,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 724 to 688. [2023-04-03 03:39:30,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 688 states, 416 states have (on average 1.1995192307692308) internal successors, (499), 425 states have internal predecessors, (499), 155 states have call successors, (155), 117 states have call predecessors, (155), 116 states have return successors, (162), 145 states have call predecessors, (162), 149 states have call successors, (162) [2023-04-03 03:39:30,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 816 transitions. [2023-04-03 03:39:30,194 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 816 transitions. Word has length 108 [2023-04-03 03:39:30,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 03:39:30,195 INFO L495 AbstractCegarLoop]: Abstraction has 688 states and 816 transitions. [2023-04-03 03:39:30,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 7 states have internal predecessors, (52), 5 states have call successors, (21), 5 states have call predecessors, (21), 3 states have return successors, (17), 5 states have call predecessors, (17), 4 states have call successors, (17) [2023-04-03 03:39:30,195 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 816 transitions. [2023-04-03 03:39:30,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-04-03 03:39:30,196 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 03:39:30,196 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2023-04-03 03:39:30,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 03:39:30,197 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 03:39:30,197 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 03:39:30,197 INFO L85 PathProgramCache]: Analyzing trace with hash 445691956, now seen corresponding path program 1 times [2023-04-03 03:39:30,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 03:39:30,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819671980] [2023-04-03 03:39:30,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 03:39:30,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 03:39:30,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 03:39:30,364 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-03 03:39:30,364 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 03:39:30,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819671980] [2023-04-03 03:39:30,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819671980] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 03:39:30,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 03:39:30,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-03 03:39:30,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294399324] [2023-04-03 03:39:30,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 03:39:30,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-03 03:39:30,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 03:39:30,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-03 03:39:30,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-03 03:39:30,365 INFO L87 Difference]: Start difference. First operand 688 states and 816 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 4 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (22), 5 states have call predecessors, (22), 4 states have call successors, (22) [2023-04-03 03:39:31,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 03:39:31,509 INFO L93 Difference]: Finished difference Result 1203 states and 1434 transitions. [2023-04-03 03:39:31,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 03:39:31,517 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 4 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (22), 5 states have call predecessors, (22), 4 states have call successors, (22) Word has length 124 [2023-04-03 03:39:31,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 03:39:31,520 INFO L225 Difference]: With dead ends: 1203 [2023-04-03 03:39:31,520 INFO L226 Difference]: Without dead ends: 514 [2023-04-03 03:39:31,521 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-04-03 03:39:31,522 INFO L413 NwaCegarLoop]: 196 mSDtfsCounter, 36 mSDsluCounter, 747 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 943 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-04-03 03:39:31,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 943 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-04-03 03:39:31,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2023-04-03 03:39:31,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 496. [2023-04-03 03:39:31,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 496 states, 292 states have (on average 1.1815068493150684) internal successors, (345), 300 states have internal predecessors, (345), 120 states have call successors, (120), 82 states have call predecessors, (120), 83 states have return successors, (130), 113 states have call predecessors, (130), 114 states have call successors, (130) [2023-04-03 03:39:31,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 595 transitions. [2023-04-03 03:39:31,547 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 595 transitions. Word has length 124 [2023-04-03 03:39:31,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 03:39:31,548 INFO L495 AbstractCegarLoop]: Abstraction has 496 states and 595 transitions. [2023-04-03 03:39:31,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 4 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (22), 5 states have call predecessors, (22), 4 states have call successors, (22) [2023-04-03 03:39:31,549 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 595 transitions. [2023-04-03 03:39:31,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-04-03 03:39:31,551 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 03:39:31,551 INFO L195 NwaCegarLoop]: trace histogram [4, 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] [2023-04-03 03:39:31,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-03 03:39:31,551 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 03:39:31,551 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 03:39:31,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1663670988, now seen corresponding path program 1 times [2023-04-03 03:39:31,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 03:39:31,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447186754] [2023-04-03 03:39:31,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 03:39:31,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 03:39:31,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 03:39:31,820 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-04-03 03:39:31,820 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 03:39:31,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447186754] [2023-04-03 03:39:31,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447186754] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 03:39:31,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 03:39:31,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 03:39:31,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798409752] [2023-04-03 03:39:31,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 03:39:31,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 03:39:31,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 03:39:31,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 03:39:31,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 03:39:31,822 INFO L87 Difference]: Start difference. First operand 496 states and 595 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-04-03 03:39:32,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 03:39:32,225 INFO L93 Difference]: Finished difference Result 882 states and 1071 transitions. [2023-04-03 03:39:32,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 03:39:32,225 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 132 [2023-04-03 03:39:32,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 03:39:32,227 INFO L225 Difference]: With dead ends: 882 [2023-04-03 03:39:32,227 INFO L226 Difference]: Without dead ends: 470 [2023-04-03 03:39:32,228 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 03:39:32,229 INFO L413 NwaCegarLoop]: 197 mSDtfsCounter, 5 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-03 03:39:32,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 388 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-03 03:39:32,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2023-04-03 03:39:32,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 470. [2023-04-03 03:39:32,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 470 states, 275 states have (on average 1.1745454545454546) internal successors, (323), 283 states have internal predecessors, (323), 115 states have call successors, (115), 82 states have call predecessors, (115), 79 states have return successors, (116), 104 states have call predecessors, (116), 109 states have call successors, (116) [2023-04-03 03:39:32,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 554 transitions. [2023-04-03 03:39:32,254 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 554 transitions. Word has length 132 [2023-04-03 03:39:32,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 03:39:32,255 INFO L495 AbstractCegarLoop]: Abstraction has 470 states and 554 transitions. [2023-04-03 03:39:32,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-04-03 03:39:32,255 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 554 transitions. [2023-04-03 03:39:32,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-04-03 03:39:32,259 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 03:39:32,259 INFO L195 NwaCegarLoop]: trace histogram [4, 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] [2023-04-03 03:39:32,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-03 03:39:32,259 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 03:39:32,260 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 03:39:32,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1933947729, now seen corresponding path program 1 times [2023-04-03 03:39:32,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 03:39:32,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289727759] [2023-04-03 03:39:32,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 03:39:32,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 03:39:32,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 03:39:32,944 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-04-03 03:39:32,944 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 03:39:32,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289727759] [2023-04-03 03:39:32,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289727759] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 03:39:32,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 03:39:32,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-03 03:39:32,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438883541] [2023-04-03 03:39:32,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 03:39:32,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 03:39:32,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 03:39:32,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 03:39:32,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-04-03 03:39:32,945 INFO L87 Difference]: Start difference. First operand 470 states and 554 transitions. Second operand has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 6 states have internal predecessors, (65), 4 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (24), 4 states have call predecessors, (24), 3 states have call successors, (24) [2023-04-03 03:39:33,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 03:39:33,653 INFO L93 Difference]: Finished difference Result 505 states and 594 transitions. [2023-04-03 03:39:33,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-03 03:39:33,653 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 6 states have internal predecessors, (65), 4 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (24), 4 states have call predecessors, (24), 3 states have call successors, (24) Word has length 134 [2023-04-03 03:39:33,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 03:39:33,655 INFO L225 Difference]: With dead ends: 505 [2023-04-03 03:39:33,655 INFO L226 Difference]: Without dead ends: 502 [2023-04-03 03:39:33,656 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2023-04-03 03:39:33,657 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 282 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 219 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 219 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-04-03 03:39:33,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 286 Invalid, 578 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [219 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-04-03 03:39:33,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2023-04-03 03:39:33,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 483. [2023-04-03 03:39:33,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 281 states have (on average 1.1708185053380782) internal successors, (329), 288 states have internal predecessors, (329), 119 states have call successors, (119), 86 states have call predecessors, (119), 82 states have return successors, (119), 108 states have call predecessors, (119), 112 states have call successors, (119) [2023-04-03 03:39:33,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 567 transitions. [2023-04-03 03:39:33,678 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 567 transitions. Word has length 134 [2023-04-03 03:39:33,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 03:39:33,679 INFO L495 AbstractCegarLoop]: Abstraction has 483 states and 567 transitions. [2023-04-03 03:39:33,679 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 6 states have internal predecessors, (65), 4 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (24), 4 states have call predecessors, (24), 3 states have call successors, (24) [2023-04-03 03:39:33,679 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 567 transitions. [2023-04-03 03:39:33,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-04-03 03:39:33,680 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 03:39:33,680 INFO L195 NwaCegarLoop]: trace histogram [4, 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] [2023-04-03 03:39:33,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-03 03:39:33,680 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 03:39:33,680 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 03:39:33,681 INFO L85 PathProgramCache]: Analyzing trace with hash -177363033, now seen corresponding path program 1 times [2023-04-03 03:39:33,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 03:39:33,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326016344] [2023-04-03 03:39:33,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 03:39:33,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 03:39:33,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 03:39:34,004 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-04-03 03:39:34,004 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 03:39:34,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326016344] [2023-04-03 03:39:34,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326016344] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 03:39:34,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 03:39:34,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-03 03:39:34,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938305723] [2023-04-03 03:39:34,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 03:39:34,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-03 03:39:34,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 03:39:34,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-03 03:39:34,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-03 03:39:34,006 INFO L87 Difference]: Start difference. First operand 483 states and 567 transitions. Second operand has 6 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2023-04-03 03:39:35,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 03:39:35,085 INFO L93 Difference]: Finished difference Result 943 states and 1110 transitions. [2023-04-03 03:39:35,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 03:39:35,085 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) Word has length 135 [2023-04-03 03:39:35,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 03:39:35,087 INFO L225 Difference]: With dead ends: 943 [2023-04-03 03:39:35,087 INFO L226 Difference]: Without dead ends: 483 [2023-04-03 03:39:35,088 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-04-03 03:39:35,090 INFO L413 NwaCegarLoop]: 197 mSDtfsCounter, 1 mSDsluCounter, 781 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 978 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-04-03 03:39:35,090 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 978 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-04-03 03:39:35,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2023-04-03 03:39:35,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 483. [2023-04-03 03:39:35,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 281 states have (on average 1.1672597864768683) internal successors, (328), 288 states have internal predecessors, (328), 119 states have call successors, (119), 86 states have call predecessors, (119), 82 states have return successors, (119), 108 states have call predecessors, (119), 112 states have call successors, (119) [2023-04-03 03:39:35,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 566 transitions. [2023-04-03 03:39:35,113 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 566 transitions. Word has length 135 [2023-04-03 03:39:35,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 03:39:35,113 INFO L495 AbstractCegarLoop]: Abstraction has 483 states and 566 transitions. [2023-04-03 03:39:35,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2023-04-03 03:39:35,113 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 566 transitions. [2023-04-03 03:39:35,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-04-03 03:39:35,114 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 03:39:35,114 INFO L195 NwaCegarLoop]: trace histogram [4, 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] [2023-04-03 03:39:35,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-04-03 03:39:35,115 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 03:39:35,115 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 03:39:35,115 INFO L85 PathProgramCache]: Analyzing trace with hash 881289550, now seen corresponding path program 1 times [2023-04-03 03:39:35,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 03:39:35,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221279305] [2023-04-03 03:39:35,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 03:39:35,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 03:39:35,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 03:39:35,672 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-04-03 03:39:35,672 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 03:39:35,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221279305] [2023-04-03 03:39:35,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221279305] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 03:39:35,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 03:39:35,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-03 03:39:35,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956402153] [2023-04-03 03:39:35,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 03:39:35,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-03 03:39:35,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 03:39:35,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-03 03:39:35,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-04-03 03:39:35,674 INFO L87 Difference]: Start difference. First operand 483 states and 566 transitions. Second operand has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 6 states have call successors, (28), 4 states have call predecessors, (28), 5 states have return successors, (25), 5 states have call predecessors, (25), 5 states have call successors, (25) [2023-04-03 03:39:36,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 03:39:36,746 INFO L93 Difference]: Finished difference Result 1019 states and 1242 transitions. [2023-04-03 03:39:36,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-04-03 03:39:36,746 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 6 states have call successors, (28), 4 states have call predecessors, (28), 5 states have return successors, (25), 5 states have call predecessors, (25), 5 states have call successors, (25) Word has length 139 [2023-04-03 03:39:36,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 03:39:36,767 INFO L225 Difference]: With dead ends: 1019 [2023-04-03 03:39:36,767 INFO L226 Difference]: Without dead ends: 791 [2023-04-03 03:39:36,768 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2023-04-03 03:39:36,769 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 383 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 690 mSolverCounterSat, 240 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 930 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 240 IncrementalHoareTripleChecker+Valid, 690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-04-03 03:39:36,769 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [419 Valid, 382 Invalid, 930 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [240 Valid, 690 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-04-03 03:39:36,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 791 states. [2023-04-03 03:39:36,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 791 to 727. [2023-04-03 03:39:36,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 727 states, 438 states have (on average 1.2191780821917808) internal successors, (534), 449 states have internal predecessors, (534), 170 states have call successors, (170), 125 states have call predecessors, (170), 118 states have return successors, (177), 152 states have call predecessors, (177), 161 states have call successors, (177) [2023-04-03 03:39:36,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 727 states and 881 transitions. [2023-04-03 03:39:36,816 INFO L78 Accepts]: Start accepts. Automaton has 727 states and 881 transitions. Word has length 139 [2023-04-03 03:39:36,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 03:39:36,818 INFO L495 AbstractCegarLoop]: Abstraction has 727 states and 881 transitions. [2023-04-03 03:39:36,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 6 states have call successors, (28), 4 states have call predecessors, (28), 5 states have return successors, (25), 5 states have call predecessors, (25), 5 states have call successors, (25) [2023-04-03 03:39:36,818 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 881 transitions. [2023-04-03 03:39:36,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-04-03 03:39:36,819 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 03:39:36,819 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 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] [2023-04-03 03:39:36,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-04-03 03:39:36,820 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 03:39:36,820 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 03:39:36,820 INFO L85 PathProgramCache]: Analyzing trace with hash -1546270733, now seen corresponding path program 1 times [2023-04-03 03:39:36,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 03:39:36,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041752505] [2023-04-03 03:39:36,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 03:39:36,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 03:39:36,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 03:39:38,118 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-04-03 03:39:38,120 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 03:39:38,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041752505] [2023-04-03 03:39:38,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041752505] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 03:39:38,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 03:39:38,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-03 03:39:38,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432618230] [2023-04-03 03:39:38,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 03:39:38,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-03 03:39:38,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 03:39:38,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-03 03:39:38,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-04-03 03:39:38,121 INFO L87 Difference]: Start difference. First operand 727 states and 881 transitions. Second operand has 8 states, 8 states have (on average 9.125) internal successors, (73), 7 states have internal predecessors, (73), 5 states have call successors, (33), 5 states have call predecessors, (33), 3 states have return successors, (29), 5 states have call predecessors, (29), 4 states have call successors, (29) [2023-04-03 03:39:40,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 03:39:40,167 INFO L93 Difference]: Finished difference Result 1232 states and 1511 transitions. [2023-04-03 03:39:40,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-04-03 03:39:40,167 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 7 states have internal predecessors, (73), 5 states have call successors, (33), 5 states have call predecessors, (33), 3 states have return successors, (29), 5 states have call predecessors, (29), 4 states have call successors, (29) Word has length 155 [2023-04-03 03:39:40,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 03:39:40,172 INFO L225 Difference]: With dead ends: 1232 [2023-04-03 03:39:40,172 INFO L226 Difference]: Without dead ends: 1225 [2023-04-03 03:39:40,173 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-04-03 03:39:40,173 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 339 mSDsluCounter, 477 mSDsCounter, 0 mSdLazyCounter, 986 mSolverCounterSat, 162 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 369 SdHoareTripleChecker+Valid, 658 SdHoareTripleChecker+Invalid, 1148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 162 IncrementalHoareTripleChecker+Valid, 986 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-04-03 03:39:40,173 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [369 Valid, 658 Invalid, 1148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [162 Valid, 986 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-04-03 03:39:40,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1225 states. [2023-04-03 03:39:40,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1225 to 1176. [2023-04-03 03:39:40,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1176 states, 715 states have (on average 1.220979020979021) internal successors, (873), 735 states have internal predecessors, (873), 268 states have call successors, (268), 193 states have call predecessors, (268), 192 states have return successors, (306), 247 states have call predecessors, (306), 258 states have call successors, (306) [2023-04-03 03:39:40,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 1176 states and 1447 transitions. [2023-04-03 03:39:40,233 INFO L78 Accepts]: Start accepts. Automaton has 1176 states and 1447 transitions. Word has length 155 [2023-04-03 03:39:40,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 03:39:40,234 INFO L495 AbstractCegarLoop]: Abstraction has 1176 states and 1447 transitions. [2023-04-03 03:39:40,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 7 states have internal predecessors, (73), 5 states have call successors, (33), 5 states have call predecessors, (33), 3 states have return successors, (29), 5 states have call predecessors, (29), 4 states have call successors, (29) [2023-04-03 03:39:40,234 INFO L276 IsEmpty]: Start isEmpty. Operand 1176 states and 1447 transitions. [2023-04-03 03:39:40,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-04-03 03:39:40,236 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 03:39:40,236 INFO L195 NwaCegarLoop]: trace histogram [4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 03:39:40,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-04-03 03:39:40,236 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 03:39:40,236 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 03:39:40,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1621120477, now seen corresponding path program 1 times [2023-04-03 03:39:40,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 03:39:40,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66762163] [2023-04-03 03:39:40,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 03:39:40,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 03:39:40,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 03:39:40,467 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-04-03 03:39:40,467 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 03:39:40,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66762163] [2023-04-03 03:39:40,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66762163] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 03:39:40,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 03:39:40,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 03:39:40,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409036404] [2023-04-03 03:39:40,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 03:39:40,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 03:39:40,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 03:39:40,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 03:39:40,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 03:39:40,469 INFO L87 Difference]: Start difference. First operand 1176 states and 1447 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 3 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (35), 4 states have call predecessors, (35), 3 states have call successors, (35) [2023-04-03 03:39:41,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 03:39:41,192 INFO L93 Difference]: Finished difference Result 1228 states and 1501 transitions. [2023-04-03 03:39:41,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-03 03:39:41,193 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 3 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (35), 4 states have call predecessors, (35), 3 states have call successors, (35) Word has length 172 [2023-04-03 03:39:41,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 03:39:41,197 INFO L225 Difference]: With dead ends: 1228 [2023-04-03 03:39:41,197 INFO L226 Difference]: Without dead ends: 1207 [2023-04-03 03:39:41,197 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-04-03 03:39:41,198 INFO L413 NwaCegarLoop]: 213 mSDtfsCounter, 228 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 648 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-04-03 03:39:41,198 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 648 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-04-03 03:39:41,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1207 states. [2023-04-03 03:39:41,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1207 to 1186. [2023-04-03 03:39:41,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1186 states, 721 states have (on average 1.2135922330097086) internal successors, (875), 739 states have internal predecessors, (875), 270 states have call successors, (270), 195 states have call predecessors, (270), 194 states have return successors, (308), 251 states have call predecessors, (308), 260 states have call successors, (308) [2023-04-03 03:39:41,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1186 states to 1186 states and 1453 transitions. [2023-04-03 03:39:41,262 INFO L78 Accepts]: Start accepts. Automaton has 1186 states and 1453 transitions. Word has length 172 [2023-04-03 03:39:41,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 03:39:41,263 INFO L495 AbstractCegarLoop]: Abstraction has 1186 states and 1453 transitions. [2023-04-03 03:39:41,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 3 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (35), 4 states have call predecessors, (35), 3 states have call successors, (35) [2023-04-03 03:39:41,263 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 1453 transitions. [2023-04-03 03:39:41,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-04-03 03:39:41,264 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 03:39:41,264 INFO L195 NwaCegarLoop]: trace histogram [4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 03:39:41,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-04-03 03:39:41,264 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 03:39:41,265 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 03:39:41,265 INFO L85 PathProgramCache]: Analyzing trace with hash 57626170, now seen corresponding path program 1 times [2023-04-03 03:39:41,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 03:39:41,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448092833] [2023-04-03 03:39:41,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 03:39:41,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 03:39:41,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 03:39:41,473 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-04-03 03:39:41,473 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 03:39:41,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448092833] [2023-04-03 03:39:41,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448092833] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 03:39:41,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [239086803] [2023-04-03 03:39:41,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 03:39:41,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 03:39:41,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 03:39:41,491 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) [2023-04-03 03:39:41,495 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-03 03:39:42,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 03:39:42,081 INFO L262 TraceCheckSpWp]: Trace formula consists of 2143 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-03 03:39:42,094 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 03:39:42,186 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-04-03 03:39:42,187 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-03 03:39:42,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [239086803] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 03:39:42,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-03 03:39:42,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2023-04-03 03:39:42,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695411105] [2023-04-03 03:39:42,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 03:39:42,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-03 03:39:42,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 03:39:42,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-03 03:39:42,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-04-03 03:39:42,188 INFO L87 Difference]: Start difference. First operand 1186 states and 1453 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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) [2023-04-03 03:39:42,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 03:39:42,801 INFO L93 Difference]: Finished difference Result 1992 states and 2417 transitions. [2023-04-03 03:39:42,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-04-03 03:39:42,801 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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 175 [2023-04-03 03:39:42,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 03:39:42,805 INFO L225 Difference]: With dead ends: 1992 [2023-04-03 03:39:42,805 INFO L226 Difference]: Without dead ends: 851 [2023-04-03 03:39:42,808 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-04-03 03:39:42,808 INFO L413 NwaCegarLoop]: 196 mSDtfsCounter, 17 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 553 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-04-03 03:39:42,809 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 553 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-04-03 03:39:42,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 851 states. [2023-04-03 03:39:42,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 851 to 835. [2023-04-03 03:39:42,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 835 states, 495 states have (on average 1.121212121212121) internal successors, (555), 505 states have internal predecessors, (555), 192 states have call successors, (192), 148 states have call predecessors, (192), 147 states have return successors, (202), 181 states have call predecessors, (202), 182 states have call successors, (202) [2023-04-03 03:39:42,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 835 states and 949 transitions. [2023-04-03 03:39:42,855 INFO L78 Accepts]: Start accepts. Automaton has 835 states and 949 transitions. Word has length 175 [2023-04-03 03:39:42,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 03:39:42,856 INFO L495 AbstractCegarLoop]: Abstraction has 835 states and 949 transitions. [2023-04-03 03:39:42,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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) [2023-04-03 03:39:42,856 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 949 transitions. [2023-04-03 03:39:42,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2023-04-03 03:39:42,857 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 03:39:42,858 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 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] [2023-04-03 03:39:42,873 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-03 03:39:43,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-04-03 03:39:43,077 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 03:39:43,077 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 03:39:43,077 INFO L85 PathProgramCache]: Analyzing trace with hash -581780271, now seen corresponding path program 1 times [2023-04-03 03:39:43,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 03:39:43,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355260820] [2023-04-03 03:39:43,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 03:39:43,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 03:39:43,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 03:39:43,383 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-04-03 03:39:43,383 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 03:39:43,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355260820] [2023-04-03 03:39:43,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355260820] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 03:39:43,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 03:39:43,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 03:39:43,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190294442] [2023-04-03 03:39:43,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 03:39:43,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 03:39:43,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 03:39:43,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 03:39:43,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 03:39:43,385 INFO L87 Difference]: Start difference. First operand 835 states and 949 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2023-04-03 03:39:43,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 03:39:43,790 INFO L93 Difference]: Finished difference Result 1113 states and 1268 transitions. [2023-04-03 03:39:43,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 03:39:43,791 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 190 [2023-04-03 03:39:43,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 03:39:43,792 INFO L225 Difference]: With dead ends: 1113 [2023-04-03 03:39:43,792 INFO L226 Difference]: Without dead ends: 517 [2023-04-03 03:39:43,794 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 03:39:43,794 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 5 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-03 03:39:43,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 384 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-03 03:39:43,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2023-04-03 03:39:43,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 517. [2023-04-03 03:39:43,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 517 states, 304 states have (on average 1.105263157894737) internal successors, (336), 309 states have internal predecessors, (336), 122 states have call successors, (122), 96 states have call predecessors, (122), 90 states have return successors, (116), 111 states have call predecessors, (116), 113 states have call successors, (116) [2023-04-03 03:39:43,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 574 transitions. [2023-04-03 03:39:43,818 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 574 transitions. Word has length 190 [2023-04-03 03:39:43,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 03:39:43,819 INFO L495 AbstractCegarLoop]: Abstraction has 517 states and 574 transitions. [2023-04-03 03:39:43,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2023-04-03 03:39:43,820 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 574 transitions. [2023-04-03 03:39:43,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2023-04-03 03:39:43,821 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 03:39:43,821 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 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] [2023-04-03 03:39:43,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-04-03 03:39:43,821 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 03:39:43,821 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 03:39:43,821 INFO L85 PathProgramCache]: Analyzing trace with hash 84035436, now seen corresponding path program 1 times [2023-04-03 03:39:43,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 03:39:43,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359684110] [2023-04-03 03:39:43,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 03:39:43,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 03:39:44,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 03:39:45,129 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-04-03 03:39:45,129 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 03:39:45,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359684110] [2023-04-03 03:39:45,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359684110] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 03:39:45,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 03:39:45,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-03 03:39:45,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633012580] [2023-04-03 03:39:45,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 03:39:45,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-03 03:39:45,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 03:39:45,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-03 03:39:45,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-04-03 03:39:45,132 INFO L87 Difference]: Start difference. First operand 517 states and 574 transitions. Second operand has 8 states, 8 states have (on average 11.875) internal successors, (95), 8 states have internal predecessors, (95), 6 states have call successors, (40), 4 states have call predecessors, (40), 5 states have return successors, (37), 5 states have call predecessors, (37), 5 states have call successors, (37) [2023-04-03 03:39:46,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 03:39:46,378 INFO L93 Difference]: Finished difference Result 562 states and 615 transitions. [2023-04-03 03:39:46,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-04-03 03:39:46,379 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 8 states have internal predecessors, (95), 6 states have call successors, (40), 4 states have call predecessors, (40), 5 states have return successors, (37), 5 states have call predecessors, (37), 5 states have call successors, (37) Word has length 192 [2023-04-03 03:39:46,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 03:39:46,381 INFO L225 Difference]: With dead ends: 562 [2023-04-03 03:39:46,381 INFO L226 Difference]: Without dead ends: 540 [2023-04-03 03:39:46,381 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2023-04-03 03:39:46,382 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 375 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 618 mSolverCounterSat, 275 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 393 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 275 IncrementalHoareTripleChecker+Valid, 618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-04-03 03:39:46,382 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [393 Valid, 317 Invalid, 893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [275 Valid, 618 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-04-03 03:39:46,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2023-04-03 03:39:46,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 509. [2023-04-03 03:39:46,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 509 states, 301 states have (on average 1.1029900332225913) internal successors, (332), 306 states have internal predecessors, (332), 118 states have call successors, (118), 94 states have call predecessors, (118), 89 states have return successors, (113), 108 states have call predecessors, (113), 110 states have call successors, (113) [2023-04-03 03:39:46,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 509 states and 563 transitions. [2023-04-03 03:39:46,407 INFO L78 Accepts]: Start accepts. Automaton has 509 states and 563 transitions. Word has length 192 [2023-04-03 03:39:46,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 03:39:46,407 INFO L495 AbstractCegarLoop]: Abstraction has 509 states and 563 transitions. [2023-04-03 03:39:46,407 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 8 states have internal predecessors, (95), 6 states have call successors, (40), 4 states have call predecessors, (40), 5 states have return successors, (37), 5 states have call predecessors, (37), 5 states have call successors, (37) [2023-04-03 03:39:46,408 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 563 transitions. [2023-04-03 03:39:46,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2023-04-03 03:39:46,409 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 03:39:46,409 INFO L195 NwaCegarLoop]: trace histogram [5, 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] [2023-04-03 03:39:46,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-04-03 03:39:46,409 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 03:39:46,410 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 03:39:46,410 INFO L85 PathProgramCache]: Analyzing trace with hash 1525351524, now seen corresponding path program 1 times [2023-04-03 03:39:46,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 03:39:46,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987413057] [2023-04-03 03:39:46,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 03:39:46,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 03:39:46,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 03:39:47,205 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-04-03 03:39:47,206 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 03:39:47,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987413057] [2023-04-03 03:39:47,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987413057] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 03:39:47,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 03:39:47,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-03 03:39:47,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152894818] [2023-04-03 03:39:47,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 03:39:47,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-03 03:39:47,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 03:39:47,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-03 03:39:47,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-03 03:39:47,209 INFO L87 Difference]: Start difference. First operand 509 states and 563 transitions. Second operand has 6 states, 6 states have (on average 19.0) internal successors, (114), 5 states have internal predecessors, (114), 4 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (41), 5 states have call predecessors, (41), 4 states have call successors, (41) [2023-04-03 03:39:47,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 03:39:47,945 INFO L93 Difference]: Finished difference Result 751 states and 832 transitions. [2023-04-03 03:39:47,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 03:39:47,946 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.0) internal successors, (114), 5 states have internal predecessors, (114), 4 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (41), 5 states have call predecessors, (41), 4 states have call successors, (41) Word has length 222 [2023-04-03 03:39:47,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 03:39:47,948 INFO L225 Difference]: With dead ends: 751 [2023-04-03 03:39:47,948 INFO L226 Difference]: Without dead ends: 432 [2023-04-03 03:39:47,948 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-04-03 03:39:47,949 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 37 mSDsluCounter, 764 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 969 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-04-03 03:39:47,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 969 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-04-03 03:39:47,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2023-04-03 03:39:47,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 409. [2023-04-03 03:39:47,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 238 states have (on average 1.0924369747899159) internal successors, (260), 242 states have internal predecessors, (260), 96 states have call successors, (96), 77 states have call predecessors, (96), 74 states have return successors, (91), 89 states have call predecessors, (91), 90 states have call successors, (91) [2023-04-03 03:39:47,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 447 transitions. [2023-04-03 03:39:47,972 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 447 transitions. Word has length 222 [2023-04-03 03:39:47,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 03:39:47,973 INFO L495 AbstractCegarLoop]: Abstraction has 409 states and 447 transitions. [2023-04-03 03:39:47,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.0) internal successors, (114), 5 states have internal predecessors, (114), 4 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (41), 5 states have call predecessors, (41), 4 states have call successors, (41) [2023-04-03 03:39:47,973 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 447 transitions. [2023-04-03 03:39:47,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2023-04-03 03:39:47,974 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 03:39:47,974 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 03:39:47,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-04-03 03:39:47,975 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 03:39:47,975 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 03:39:47,975 INFO L85 PathProgramCache]: Analyzing trace with hash 70981253, now seen corresponding path program 1 times [2023-04-03 03:39:47,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 03:39:47,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194850012] [2023-04-03 03:39:47,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 03:39:47,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 03:39:48,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 03:39:49,131 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2023-04-03 03:39:49,132 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 03:39:49,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194850012] [2023-04-03 03:39:49,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194850012] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 03:39:49,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [478013952] [2023-04-03 03:39:49,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 03:39:49,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 03:39:49,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 03:39:49,133 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) [2023-04-03 03:39:49,154 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-04-03 03:39:49,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 03:39:49,754 INFO L262 TraceCheckSpWp]: Trace formula consists of 2391 conjuncts, 44 conjunts are in the unsatisfiable core [2023-04-03 03:39:49,765 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 03:39:50,179 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-04-03 03:39:50,179 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 03:39:53,258 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-04-03 03:39:53,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [478013952] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 03:39:53,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1875813286] [2023-04-03 03:39:53,279 INFO L159 IcfgInterpreter]: Started Sifa with 193 locations of interest [2023-04-03 03:39:53,279 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 03:39:53,282 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 03:39:53,285 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 03:39:53,286 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 03:39:54,340 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 94 for LOIs [2023-04-03 03:39:54,874 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 78 for LOIs [2023-04-03 03:40:05,293 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_check_return_value with input of size 53 for LOIs [2023-04-03 03:40:05,298 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_initialize with input of size 55 for LOIs [2023-04-03 03:40:05,301 INFO L197 IcfgInterpreter]: Interpreting procedure kbtab_probe with input of size 87 for LOIs [2023-04-03 03:40:12,952 INFO L197 IcfgInterpreter]: Interpreting procedure usb_alloc_coherent with input of size 72 for LOIs [2023-04-03 03:40:14,387 INFO L197 IcfgInterpreter]: Interpreting procedure input_register_device with input of size 138 for LOIs [2023-04-03 03:40:14,404 INFO L197 IcfgInterpreter]: Interpreting procedure usb_alloc_urb with input of size 98 for LOIs [2023-04-03 03:40:14,498 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_undefined_pointer with input of size 51 for LOIs [2023-04-03 03:40:14,992 INFO L197 IcfgInterpreter]: Interpreting procedure usb_to_input_id with input of size 96 for LOIs [2023-04-03 03:40:15,017 INFO L197 IcfgInterpreter]: Interpreting procedure interface_to_usbdev with input of size 66 for LOIs [2023-04-03 03:40:15,025 INFO L197 IcfgInterpreter]: Interpreting procedure input_allocate_device with input of size 57 for LOIs [2023-04-03 03:40:15,072 INFO L197 IcfgInterpreter]: Interpreting procedure kzalloc with input of size 61 for LOIs [2023-04-03 03:40:16,261 INFO L197 IcfgInterpreter]: Interpreting procedure kmalloc with input of size 89 for LOIs [2023-04-03 03:40:16,420 INFO L197 IcfgInterpreter]: Interpreting procedure __kmalloc with input of size 89 for LOIs [2023-04-03 03:40:16,578 INFO L197 IcfgInterpreter]: Interpreting procedure __create_pipe with input of size 77 for LOIs [2023-04-03 03:40:16,594 INFO L197 IcfgInterpreter]: Interpreting procedure input_set_abs_params with input of size 111 for LOIs [2023-04-03 03:40:16,610 INFO L197 IcfgInterpreter]: Interpreting procedure usb_make_path with input of size 113 for LOIs [2023-04-03 03:40:16,646 INFO L197 IcfgInterpreter]: Interpreting procedure input_set_drvdata with input of size 84 for LOIs [2023-04-03 03:40:16,725 INFO L197 IcfgInterpreter]: Interpreting procedure strlcat with input of size 62 for LOIs [2023-04-03 03:40:16,732 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_check_final_state with input of size 51 for LOIs [2023-04-03 03:40:16,746 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_blast_assert with input of size 54 for LOIs [2023-04-03 03:40:16,749 INFO L197 IcfgInterpreter]: Interpreting procedure kbtab_exit with input of size 51 for LOIs [2023-04-03 03:40:16,777 INFO L197 IcfgInterpreter]: Interpreting procedure usb_deregister with input of size 55 for LOIs [2023-04-03 03:40:16,785 INFO L197 IcfgInterpreter]: Interpreting procedure kbtab_disconnect with input of size 78 for LOIs [2023-04-03 03:40:18,480 INFO L197 IcfgInterpreter]: Interpreting procedure usb_free_urb with input of size 68 for LOIs [2023-04-03 03:40:18,522 INFO L197 IcfgInterpreter]: Interpreting procedure usb_get_intfdata with input of size 72 for LOIs [2023-04-03 03:40:18,588 INFO L197 IcfgInterpreter]: Interpreting procedure usb_free_coherent with input of size 87 for LOIs [2023-04-03 03:40:18,661 INFO L197 IcfgInterpreter]: Interpreting procedure usb_set_intfdata with input of size 57 for LOIs [2023-04-03 03:40:19,719 INFO L197 IcfgInterpreter]: Interpreting procedure dev_set_drvdata with input of size 53 for LOIs [2023-04-03 03:40:19,726 INFO L197 IcfgInterpreter]: Interpreting procedure kfree with input of size 66 for LOIs [2023-04-03 03:40:19,732 INFO L197 IcfgInterpreter]: Interpreting procedure dev_get_drvdata with input of size 72 for LOIs [2023-04-03 03:40:20,261 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_malloc with input of size 1 for LOIs [2023-04-03 03:40:20,275 INFO L197 IcfgInterpreter]: Interpreting procedure input_unregister_device with input of size 64 for LOIs [2023-04-03 03:40:20,280 INFO L197 IcfgInterpreter]: Interpreting procedure kbtab_init with input of size 55 for LOIs [2023-04-03 03:40:20,366 INFO L197 IcfgInterpreter]: Interpreting procedure printk with input of size 60 for LOIs [2023-04-03 03:40:20,372 INFO L197 IcfgInterpreter]: Interpreting procedure usb_register with input of size 59 for LOIs [2023-04-03 03:40:20,439 INFO L197 IcfgInterpreter]: Interpreting procedure usb_register_driver with input of size 70 for LOIs [2023-04-03 03:40:20,449 INFO L197 IcfgInterpreter]: Interpreting procedure usb_fill_int_urb with input of size 140 for LOIs [2023-04-03 03:40:20,581 INFO L180 IcfgInterpreter]: Interpretation finished [2023-04-03 03:41:18,433 WARN L223 SmtUtils]: Spent 17.65s on a formula simplification that was a NOOP. DAG size: 319 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-04-03 03:41:55,471 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '39051#(and (= ~__param_kb_pressure_click~0.ops.offset |~#param_ops_int~0.offset|) (= ~__param_kb_pressure_click~0.flags 0) (<= 1 |#StackHeapBarrier|) (= ~LDV_IN_INTERRUPT~0 1) (= |~#kbtab_ids~0.base| 12) (= ~__param_kb_pressure_click~0.name.base 11) (= 0 ~res_kbtab_probe_3~0) (= ~__param_kb_pressure_click~0.__annonCompField31.arg.offset 0) (= |~#kbtab_driver~0.base| 13) (= |~#kb_pressure_click~0.base| 10) (= |~#__param_str_kb_pressure_click~0.base| 11) (not (= ~ldv_urb_state~0 0)) (= |~#__param_str_kb_pressure_click~0.offset| 0) (= |~#kb_pressure_click~0.offset| 0) (= |~#kbtab_ids~0.offset| 0) (= |#NULL.offset| 0) (= 10 ~__param_kb_pressure_click~0.__annonCompField31.arg.base) (= |~#param_ops_int~0.base| ~__param_kb_pressure_click~0.ops.base) (= |~#kbtab_driver~0.offset| 0) (= ~__param_kb_pressure_click~0.perm 0) (= ~__param_kb_pressure_click~0.name.offset 0) (= |#NULL.base| 0))' at error location [2023-04-03 03:41:55,471 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-04-03 03:41:55,471 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-03 03:41:55,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 17, 13] total 29 [2023-04-03 03:41:55,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157416953] [2023-04-03 03:41:55,472 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-03 03:41:55,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2023-04-03 03:41:55,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 03:41:55,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2023-04-03 03:41:55,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1404, Invalid=30332, Unknown=126, NotChecked=0, Total=31862 [2023-04-03 03:41:55,479 INFO L87 Difference]: Start difference. First operand 409 states and 447 transitions. Second operand has 29 states, 27 states have (on average 8.296296296296296) internal successors, (224), 25 states have internal predecessors, (224), 15 states have call successors, (108), 10 states have call predecessors, (108), 15 states have return successors, (106), 18 states have call predecessors, (106), 14 states have call successors, (106) [2023-04-03 03:41:59,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 03:41:59,340 INFO L93 Difference]: Finished difference Result 428 states and 466 transitions. [2023-04-03 03:41:59,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-04-03 03:41:59,341 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 27 states have (on average 8.296296296296296) internal successors, (224), 25 states have internal predecessors, (224), 15 states have call successors, (108), 10 states have call predecessors, (108), 15 states have return successors, (106), 18 states have call predecessors, (106), 14 states have call successors, (106) Word has length 233 [2023-04-03 03:41:59,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 03:41:59,343 INFO L225 Difference]: With dead ends: 428 [2023-04-03 03:41:59,343 INFO L226 Difference]: Without dead ends: 425 [2023-04-03 03:41:59,351 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 730 GetRequests, 525 SyntacticMatches, 13 SemanticMatches, 192 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16380 ImplicationChecksByTransitivity, 95.5s TimeCoverageRelationStatistics Valid=1706, Invalid=35610, Unknown=126, NotChecked=0, Total=37442 [2023-04-03 03:41:59,351 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 526 mSDsluCounter, 852 mSDsCounter, 0 mSdLazyCounter, 1979 mSolverCounterSat, 395 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 526 SdHoareTripleChecker+Valid, 955 SdHoareTripleChecker+Invalid, 2374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 395 IncrementalHoareTripleChecker+Valid, 1979 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-04-03 03:41:59,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [526 Valid, 955 Invalid, 2374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [395 Valid, 1979 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-04-03 03:41:59,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2023-04-03 03:41:59,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 408. [2023-04-03 03:41:59,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 238 states have (on average 1.088235294117647) internal successors, (259), 241 states have internal predecessors, (259), 95 states have call successors, (95), 77 states have call predecessors, (95), 74 states have return successors, (91), 89 states have call predecessors, (91), 90 states have call successors, (91) [2023-04-03 03:41:59,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 445 transitions. [2023-04-03 03:41:59,380 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 445 transitions. Word has length 233 [2023-04-03 03:41:59,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 03:41:59,381 INFO L495 AbstractCegarLoop]: Abstraction has 408 states and 445 transitions. [2023-04-03 03:41:59,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 27 states have (on average 8.296296296296296) internal successors, (224), 25 states have internal predecessors, (224), 15 states have call successors, (108), 10 states have call predecessors, (108), 15 states have return successors, (106), 18 states have call predecessors, (106), 14 states have call successors, (106) [2023-04-03 03:41:59,381 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 445 transitions. [2023-04-03 03:41:59,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2023-04-03 03:41:59,383 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 03:41:59,383 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 03:41:59,393 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-04-03 03:41:59,593 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,SelfDestructingSolverStorable16 [2023-04-03 03:41:59,593 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 03:41:59,593 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 03:41:59,594 INFO L85 PathProgramCache]: Analyzing trace with hash -2094748941, now seen corresponding path program 1 times [2023-04-03 03:41:59,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 03:41:59,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061839960] [2023-04-03 03:41:59,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 03:41:59,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 03:41:59,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 03:42:00,750 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2023-04-03 03:42:00,751 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 03:42:00,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061839960] [2023-04-03 03:42:00,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061839960] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 03:42:00,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [182887370] [2023-04-03 03:42:00,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 03:42:00,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 03:42:00,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 03:42:00,752 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) [2023-04-03 03:42:00,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-04-03 03:42:01,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 03:42:01,415 INFO L262 TraceCheckSpWp]: Trace formula consists of 2393 conjuncts, 48 conjunts are in the unsatisfiable core [2023-04-03 03:42:01,422 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 03:42:01,778 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-04-03 03:42:01,778 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 03:42:04,790 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-04-03 03:42:04,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [182887370] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 03:42:04,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1647815828] [2023-04-03 03:42:04,794 INFO L159 IcfgInterpreter]: Started Sifa with 194 locations of interest [2023-04-03 03:42:04,794 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 03:42:04,794 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 03:42:04,794 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 03:42:04,795 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 03:42:05,642 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 94 for LOIs [2023-04-03 03:42:05,985 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 78 for LOIs [2023-04-03 03:42:16,175 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_check_return_value with input of size 53 for LOIs [2023-04-03 03:42:16,180 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_initialize with input of size 55 for LOIs [2023-04-03 03:42:16,184 INFO L197 IcfgInterpreter]: Interpreting procedure kbtab_probe with input of size 87 for LOIs [2023-04-03 03:42:23,809 INFO L197 IcfgInterpreter]: Interpreting procedure usb_alloc_coherent with input of size 72 for LOIs [2023-04-03 03:42:25,264 INFO L197 IcfgInterpreter]: Interpreting procedure input_register_device with input of size 138 for LOIs [2023-04-03 03:42:25,283 INFO L197 IcfgInterpreter]: Interpreting procedure usb_alloc_urb with input of size 98 for LOIs [2023-04-03 03:42:25,378 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_undefined_pointer with input of size 51 for LOIs [2023-04-03 03:42:25,905 INFO L197 IcfgInterpreter]: Interpreting procedure usb_to_input_id with input of size 96 for LOIs [2023-04-03 03:42:25,922 INFO L197 IcfgInterpreter]: Interpreting procedure interface_to_usbdev with input of size 66 for LOIs [2023-04-03 03:42:25,930 INFO L197 IcfgInterpreter]: Interpreting procedure input_allocate_device with input of size 57 for LOIs [2023-04-03 03:42:25,971 INFO L197 IcfgInterpreter]: Interpreting procedure kzalloc with input of size 61 for LOIs [2023-04-03 03:42:27,167 INFO L197 IcfgInterpreter]: Interpreting procedure kmalloc with input of size 89 for LOIs [2023-04-03 03:42:27,333 INFO L197 IcfgInterpreter]: Interpreting procedure __kmalloc with input of size 89 for LOIs [2023-04-03 03:42:27,493 INFO L197 IcfgInterpreter]: Interpreting procedure __create_pipe with input of size 77 for LOIs [2023-04-03 03:42:27,509 INFO L197 IcfgInterpreter]: Interpreting procedure input_set_abs_params with input of size 111 for LOIs [2023-04-03 03:42:27,526 INFO L197 IcfgInterpreter]: Interpreting procedure usb_make_path with input of size 113 for LOIs [2023-04-03 03:42:27,569 INFO L197 IcfgInterpreter]: Interpreting procedure input_set_drvdata with input of size 84 for LOIs [2023-04-03 03:42:27,646 INFO L197 IcfgInterpreter]: Interpreting procedure strlcat with input of size 62 for LOIs [2023-04-03 03:42:27,654 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_check_final_state with input of size 51 for LOIs [2023-04-03 03:42:27,665 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_blast_assert with input of size 56 for LOIs [2023-04-03 03:42:27,669 INFO L197 IcfgInterpreter]: Interpreting procedure kbtab_exit with input of size 51 for LOIs [2023-04-03 03:42:27,698 INFO L197 IcfgInterpreter]: Interpreting procedure usb_deregister with input of size 55 for LOIs [2023-04-03 03:42:27,703 INFO L197 IcfgInterpreter]: Interpreting procedure kbtab_disconnect with input of size 78 for LOIs [2023-04-03 03:42:29,434 INFO L197 IcfgInterpreter]: Interpreting procedure usb_free_urb with input of size 68 for LOIs [2023-04-03 03:42:29,476 INFO L197 IcfgInterpreter]: Interpreting procedure usb_get_intfdata with input of size 72 for LOIs [2023-04-03 03:42:29,536 INFO L197 IcfgInterpreter]: Interpreting procedure usb_free_coherent with input of size 87 for LOIs [2023-04-03 03:42:29,607 INFO L197 IcfgInterpreter]: Interpreting procedure usb_set_intfdata with input of size 57 for LOIs [2023-04-03 03:42:30,670 INFO L197 IcfgInterpreter]: Interpreting procedure dev_set_drvdata with input of size 53 for LOIs [2023-04-03 03:42:30,677 INFO L197 IcfgInterpreter]: Interpreting procedure kfree with input of size 66 for LOIs [2023-04-03 03:42:30,684 INFO L197 IcfgInterpreter]: Interpreting procedure dev_get_drvdata with input of size 72 for LOIs [2023-04-03 03:42:31,228 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_malloc with input of size 1 for LOIs [2023-04-03 03:42:31,231 INFO L197 IcfgInterpreter]: Interpreting procedure input_unregister_device with input of size 64 for LOIs [2023-04-03 03:42:31,236 INFO L197 IcfgInterpreter]: Interpreting procedure kbtab_init with input of size 55 for LOIs [2023-04-03 03:42:31,330 INFO L197 IcfgInterpreter]: Interpreting procedure printk with input of size 60 for LOIs [2023-04-03 03:42:31,336 INFO L197 IcfgInterpreter]: Interpreting procedure usb_register with input of size 59 for LOIs [2023-04-03 03:42:31,408 INFO L197 IcfgInterpreter]: Interpreting procedure usb_register_driver with input of size 70 for LOIs [2023-04-03 03:42:31,421 INFO L197 IcfgInterpreter]: Interpreting procedure usb_fill_int_urb with input of size 140 for LOIs [2023-04-03 03:42:31,560 INFO L180 IcfgInterpreter]: Interpretation finished