./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-marvell-sky2.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-marvell-sky2.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 444a46b967cbf28ff66594f7c2b86075c66a3ec06686446169e50e8f0716b901 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 02:47:14,624 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 02:47:14,626 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 02:47:14,647 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 02:47:14,648 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 02:47:14,649 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 02:47:14,650 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 02:47:14,651 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 02:47:14,652 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 02:47:14,653 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 02:47:14,653 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 02:47:14,654 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 02:47:14,654 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 02:47:14,655 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 02:47:14,656 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 02:47:14,657 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 02:47:14,657 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 02:47:14,658 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 02:47:14,659 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 02:47:14,660 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 02:47:14,661 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 02:47:14,661 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 02:47:14,662 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 02:47:14,663 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 02:47:14,663 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 02:47:14,665 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 02:47:14,666 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 02:47:14,666 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 02:47:14,666 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 02:47:14,667 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 02:47:14,667 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 02:47:14,668 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 02:47:14,668 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 02:47:14,669 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 02:47:14,669 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 02:47:14,670 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 02:47:14,670 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 02:47:14,671 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 02:47:14,671 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 02:47:14,671 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 02:47:14,672 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 02:47:14,672 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 02:47:14,673 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 02:47:14,698 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 02:47:14,703 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 02:47:14,704 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 02:47:14,704 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 02:47:14,705 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 02:47:14,705 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 02:47:14,705 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 02:47:14,705 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 02:47:14,705 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 02:47:14,706 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 02:47:14,706 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 02:47:14,706 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 02:47:14,707 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 02:47:14,707 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 02:47:14,707 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 02:47:14,707 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 02:47:14,707 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 02:47:14,707 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 02:47:14,708 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 02:47:14,708 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 02:47:14,708 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 02:47:14,708 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 02:47:14,708 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 02:47:14,709 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 02:47:14,709 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 02:47:14,709 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 02:47:14,709 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 02:47:14,709 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 02:47:14,709 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 02:47:14,710 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 02:47:14,710 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 444a46b967cbf28ff66594f7c2b86075c66a3ec06686446169e50e8f0716b901 [2022-07-23 02:47:14,881 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 02:47:14,899 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 02:47:14,901 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 02:47:14,902 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 02:47:14,903 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 02:47:14,904 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-marvell-sky2.cil.i [2022-07-23 02:47:14,942 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90651d88f/8c032664e3854445aff766800ffe5c56/FLAGf05837e68 [2022-07-23 02:47:15,664 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 02:47:15,665 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-marvell-sky2.cil.i [2022-07-23 02:47:15,712 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90651d88f/8c032664e3854445aff766800ffe5c56/FLAGf05837e68 [2022-07-23 02:47:16,220 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90651d88f/8c032664e3854445aff766800ffe5c56 [2022-07-23 02:47:16,223 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 02:47:16,224 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 02:47:16,226 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 02:47:16,226 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 02:47:16,228 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 02:47:16,229 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:47:16" (1/1) ... [2022-07-23 02:47:16,230 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@459c171a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:47:16, skipping insertion in model container [2022-07-23 02:47:16,230 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:47:16" (1/1) ... [2022-07-23 02:47:16,235 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 02:47:16,352 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 02:47:21,735 WARN L230 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-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-marvell-sky2.cil.i[558285,558298] [2022-07-23 02:47:21,738 WARN L230 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-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-marvell-sky2.cil.i[558432,558445] [2022-07-23 02:47:21,740 WARN L230 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-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-marvell-sky2.cil.i[558571,558584] [2022-07-23 02:47:21,740 WARN L230 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-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-marvell-sky2.cil.i[558729,558742] [2022-07-23 02:47:21,797 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:47:21,900 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 02:47:22,457 WARN L230 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-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-marvell-sky2.cil.i[558285,558298] [2022-07-23 02:47:22,459 WARN L230 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-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-marvell-sky2.cil.i[558432,558445] [2022-07-23 02:47:22,459 WARN L230 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-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-marvell-sky2.cil.i[558571,558584] [2022-07-23 02:47:22,460 WARN L230 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-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-marvell-sky2.cil.i[558729,558742] [2022-07-23 02:47:22,502 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:47:22,832 INFO L208 MainTranslator]: Completed translation [2022-07-23 02:47:22,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:47:22 WrapperNode [2022-07-23 02:47:22,833 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 02:47:22,834 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 02:47:22,834 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 02:47:22,835 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 02:47:22,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:47:22" (1/1) ... [2022-07-23 02:47:23,004 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:47:22" (1/1) ... [2022-07-23 02:47:23,290 INFO L137 Inliner]: procedures = 710, calls = 5470, calls flagged for inlining = 409, calls inlined = 365, statements flattened = 11651 [2022-07-23 02:47:23,290 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 02:47:23,291 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 02:47:23,291 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 02:47:23,291 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 02:47:23,297 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:47:22" (1/1) ... [2022-07-23 02:47:23,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:47:22" (1/1) ... [2022-07-23 02:47:23,334 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:47:22" (1/1) ... [2022-07-23 02:47:23,334 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:47:22" (1/1) ... [2022-07-23 02:47:23,492 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:47:22" (1/1) ... [2022-07-23 02:47:23,526 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:47:22" (1/1) ... [2022-07-23 02:47:23,715 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:47:22" (1/1) ... [2022-07-23 02:47:23,784 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 02:47:23,786 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 02:47:23,786 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 02:47:23,788 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 02:47:23,789 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:47:22" (1/1) ... [2022-07-23 02:47:23,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 02:47:23,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 02:47:23,849 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) [2022-07-23 02:47:23,879 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 [2022-07-23 02:47:23,893 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-23 02:47:23,894 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-23 02:47:23,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 02:47:23,894 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 02:47:23,894 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-07-23 02:47:23,894 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-07-23 02:47:23,894 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-23 02:47:23,895 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-23 02:47:23,895 INFO L130 BoogieDeclarations]: Found specification of procedure get_stats32 [2022-07-23 02:47:23,895 INFO L138 BoogieDeclarations]: Found implementation of procedure get_stats32 [2022-07-23 02:47:23,895 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_remove [2022-07-23 02:47:23,895 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_remove [2022-07-23 02:47:23,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 02:47:23,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 02:47:23,896 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_led [2022-07-23 02:47:23,896 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_led [2022-07-23 02:47:23,896 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_alloc_rx_skbs [2022-07-23 02:47:23,896 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_alloc_rx_skbs [2022-07-23 02:47:23,896 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-23 02:47:23,896 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-23 02:47:23,897 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_supported_modes [2022-07-23 02:47:23,897 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_supported_modes [2022-07-23 02:47:23,897 INFO L130 BoogieDeclarations]: Found specification of procedure rx_set_rss [2022-07-23 02:47:23,897 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_set_rss [2022-07-23 02:47:23,897 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_power_aux [2022-07-23 02:47:23,897 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_power_aux [2022-07-23 02:47:23,897 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-23 02:47:23,898 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-23 02:47:23,898 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2022-07-23 02:47:23,898 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2022-07-23 02:47:23,898 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-23 02:47:23,898 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-23 02:47:23,898 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_add_filter [2022-07-23 02:47:23,898 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_add_filter [2022-07-23 02:47:23,899 INFO L130 BoogieDeclarations]: Found specification of procedure gm_phy_read [2022-07-23 02:47:23,899 INFO L138 BoogieDeclarations]: Found implementation of procedure gm_phy_read [2022-07-23 02:47:23,899 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-23 02:47:23,899 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-23 02:47:23,899 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_alloc [2022-07-23 02:47:23,900 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_alloc [2022-07-23 02:47:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2022-07-23 02:47:23,900 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2022-07-23 02:47:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2022-07-23 02:47:23,900 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2022-07-23 02:47:23,901 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_unlock [2022-07-23 02:47:23,901 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_unlock [2022-07-23 02:47:23,901 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size_set [2022-07-23 02:47:23,901 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size_set [2022-07-23 02:47:23,901 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-23 02:47:23,902 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-23 02:47:23,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-23 02:47:23,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-23 02:47:23,903 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-23 02:47:23,903 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-23 02:47:23,904 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_show_addr [2022-07-23 02:47:23,904 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_show_addr [2022-07-23 02:47:23,904 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-23 02:47:23,904 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-23 02:47:23,904 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_close [2022-07-23 02:47:23,904 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_close [2022-07-23 02:47:23,905 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-23 02:47:23,905 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-23 02:47:23,905 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_init_netdev [2022-07-23 02:47:23,905 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_init_netdev [2022-07-23 02:47:23,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 02:47:23,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 02:47:23,906 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-23 02:47:23,906 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-23 02:47:23,906 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_start [2022-07-23 02:47:23,907 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_start [2022-07-23 02:47:23,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 02:47:23,907 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-23 02:47:23,907 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-23 02:47:23,907 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2022-07-23 02:47:23,907 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2022-07-23 02:47:23,907 INFO L130 BoogieDeclarations]: Found specification of procedure get_stats64 [2022-07-23 02:47:23,908 INFO L138 BoogieDeclarations]: Found implementation of procedure get_stats64 [2022-07-23 02:47:23,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-07-23 02:47:23,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-07-23 02:47:23,908 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-23 02:47:23,908 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-23 02:47:23,908 INFO L130 BoogieDeclarations]: Found specification of procedure netif_schedule_queue [2022-07-23 02:47:23,908 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_schedule_queue [2022-07-23 02:47:23,909 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_get_regs_len [2022-07-23 02:47:23,909 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_get_regs_len [2022-07-23 02:47:23,909 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-23 02:47:23,910 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-23 02:47:23,910 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-23 02:47:23,910 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-23 02:47:23,910 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_update [2022-07-23 02:47:23,911 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_update [2022-07-23 02:47:23,911 INFO L130 BoogieDeclarations]: Found specification of procedure pci_is_pcie [2022-07-23 02:47:23,911 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_is_pcie [2022-07-23 02:47:23,911 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-23 02:47:23,911 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-23 02:47:23,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-23 02:47:23,912 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-23 02:47:23,912 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-23 02:47:23,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-07-23 02:47:23,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-07-23 02:47:23,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-23 02:47:23,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-23 02:47:23,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-23 02:47:23,913 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_ramset [2022-07-23 02:47:23,913 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_ramset [2022-07-23 02:47:23,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-23 02:47:23,913 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-23 02:47:23,913 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-23 02:47:23,913 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_update_features [2022-07-23 02:47:23,914 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_update_features [2022-07-23 02:47:23,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 02:47:23,914 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 02:47:23,915 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_netpoll [2022-07-23 02:47:23,917 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_netpoll [2022-07-23 02:47:23,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-23 02:47:23,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-23 02:47:23,918 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-23 02:47:23,919 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-23 02:47:23,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-23 02:47:23,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-23 02:47:23,920 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_hw_up [2022-07-23 02:47:23,920 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_hw_up [2022-07-23 02:47:23,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-23 02:47:23,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-23 02:47:23,926 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2022-07-23 02:47:23,926 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2022-07-23 02:47:23,926 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-07-23 02:47:23,927 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-07-23 02:47:23,927 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2022-07-23 02:47:23,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2022-07-23 02:47:23,927 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-23 02:47:23,927 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-23 02:47:23,927 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_tx_unmap [2022-07-23 02:47:23,927 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_tx_unmap [2022-07-23 02:47:23,928 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-23 02:47:23,928 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-23 02:47:23,928 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_lock [2022-07-23 02:47:23,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_lock [2022-07-23 02:47:23,928 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-07-23 02:47:23,928 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-07-23 02:47:23,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 02:47:23,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-23 02:47:23,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-23 02:47:23,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-23 02:47:23,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-23 02:47:23,929 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_add [2022-07-23 02:47:23,929 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_add [2022-07-23 02:47:23,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2022-07-23 02:47:23,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2022-07-23 02:47:23,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-23 02:47:23,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-23 02:47:23,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2022-07-23 02:47:23,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2022-07-23 02:47:23,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2022-07-23 02:47:23,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2022-07-23 02:47:23,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-07-23 02:47:23,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-07-23 02:47:23,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 02:47:23,931 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_map_skb [2022-07-23 02:47:23,931 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_map_skb [2022-07-23 02:47:23,931 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_resume [2022-07-23 02:47:23,931 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_resume [2022-07-23 02:47:23,931 INFO L130 BoogieDeclarations]: Found specification of procedure roundup_ring_size [2022-07-23 02:47:23,931 INFO L138 BoogieDeclarations]: Found implementation of procedure roundup_ring_size [2022-07-23 02:47:23,931 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_put_idx [2022-07-23 02:47:23,932 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_put_idx [2022-07-23 02:47:23,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-23 02:47:23,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-23 02:47:23,932 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-23 02:47:23,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-23 02:47:23,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 02:47:23,933 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-23 02:47:23,933 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 02:47:23,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 02:47:23,933 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_dma_map [2022-07-23 02:47:23,933 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_dma_map [2022-07-23 02:47:23,933 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-23 02:47:23,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-23 02:47:23,934 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_read32 [2022-07-23 02:47:23,934 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_read32 [2022-07-23 02:47:23,934 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-23 02:47:23,934 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-23 02:47:23,934 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_phy_power_up [2022-07-23 02:47:23,934 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_phy_power_up [2022-07-23 02:47:23,934 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_phy_init [2022-07-23 02:47:23,935 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_phy_init [2022-07-23 02:47:23,935 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_disable [2022-07-23 02:47:23,935 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_disable [2022-07-23 02:47:23,935 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_clean [2022-07-23 02:47:23,935 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_clean [2022-07-23 02:47:23,935 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-23 02:47:23,935 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-23 02:47:23,936 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-07-23 02:47:23,936 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-07-23 02:47:23,936 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-23 02:47:23,936 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-23 02:47:23,936 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_tx_complete [2022-07-23 02:47:23,936 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_tx_complete [2022-07-23 02:47:23,936 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_hw_down [2022-07-23 02:47:23,936 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_hw_down [2022-07-23 02:47:23,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-23 02:47:23,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-23 02:47:23,937 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_phy_reinit [2022-07-23 02:47:23,937 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_phy_reinit [2022-07-23 02:47:23,937 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_bh [2022-07-23 02:47:23,937 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_bh [2022-07-23 02:47:23,937 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-07-23 02:47:23,938 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-07-23 02:47:23,938 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-23 02:47:23,938 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-23 02:47:23,938 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_read16 [2022-07-23 02:47:23,938 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_read16 [2022-07-23 02:47:23,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 02:47:23,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 02:47:23,938 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_write16 [2022-07-23 02:47:23,939 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_write16 [2022-07-23 02:47:23,939 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-23 02:47:23,939 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-23 02:47:23,939 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-23 02:47:23,939 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-23 02:47:23,939 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_free_buffers [2022-07-23 02:47:23,939 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_free_buffers [2022-07-23 02:47:23,940 INFO L130 BoogieDeclarations]: Found specification of procedure gma_read16 [2022-07-23 02:47:23,940 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_read16 [2022-07-23 02:47:23,940 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-23 02:47:23,940 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-23 02:47:23,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 02:47:23,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 02:47:23,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 02:47:23,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 02:47:23,941 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_all_up [2022-07-23 02:47:23,941 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_all_up [2022-07-23 02:47:23,941 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-23 02:47:23,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-23 02:47:23,941 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-07-23 02:47:23,941 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-07-23 02:47:23,941 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2022-07-23 02:47:23,941 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2022-07-23 02:47:23,942 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_tx_timeout [2022-07-23 02:47:23,943 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_tx_timeout [2022-07-23 02:47:23,946 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-23 02:47:23,946 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-23 02:47:23,946 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_wol_supported [2022-07-23 02:47:23,946 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_wol_supported [2022-07-23 02:47:23,946 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-23 02:47:23,946 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-23 02:47:23,947 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_write32 [2022-07-23 02:47:23,947 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_write32 [2022-07-23 02:47:23,947 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_read32 [2022-07-23 02:47:23,948 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_read32 [2022-07-23 02:47:23,948 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-07-23 02:47:23,948 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-07-23 02:47:23,948 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-07-23 02:47:23,949 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_submit [2022-07-23 02:47:23,949 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_submit [2022-07-23 02:47:23,949 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-07-23 02:47:23,949 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-07-23 02:47:23,949 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-23 02:47:23,949 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-23 02:47:23,949 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_vlan_mode [2022-07-23 02:47:23,949 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_vlan_mode [2022-07-23 02:47:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_set_multicast [2022-07-23 02:47:23,950 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_set_multicast [2022-07-23 02:47:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_read8 [2022-07-23 02:47:23,950 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_read8 [2022-07-23 02:47:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-23 02:47:23,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-23 02:47:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2022-07-23 02:47:23,950 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2022-07-23 02:47:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_prefetch_init [2022-07-23 02:47:23,951 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_prefetch_init [2022-07-23 02:47:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure gma_read32 [2022-07-23 02:47:23,951 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_read32 [2022-07-23 02:47:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_reset [2022-07-23 02:47:23,951 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_reset [2022-07-23 02:47:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-23 02:47:23,951 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-23 02:47:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure gma_set_addr [2022-07-23 02:47:23,952 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_set_addr [2022-07-23 02:47:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-07-23 02:47:23,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-07-23 02:47:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-07-23 02:47:23,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-07-23 02:47:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 02:47:23,952 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 02:47:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-07-23 02:47:23,953 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-07-23 02:47:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-07-23 02:47:23,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-07-23 02:47:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-23 02:47:23,953 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-23 02:47:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_vpd_wait [2022-07-23 02:47:23,953 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_vpd_wait [2022-07-23 02:47:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-07-23 02:47:23,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-07-23 02:47:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-23 02:47:23,954 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-23 02:47:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_shutdown [2022-07-23 02:47:23,954 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_shutdown [2022-07-23 02:47:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_read16 [2022-07-23 02:47:23,954 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_read16 [2022-07-23 02:47:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure get_tx_le [2022-07-23 02:47:23,955 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tx_le [2022-07-23 02:47:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_stop [2022-07-23 02:47:23,955 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_stop [2022-07-23 02:47:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-23 02:47:23,955 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-23 02:47:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-23 02:47:23,955 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-23 02:47:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 02:47:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-23 02:47:23,956 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-23 02:47:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-23 02:47:23,956 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-23 02:47:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2022-07-23 02:47:23,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2022-07-23 02:47:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 02:47:23,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 02:47:23,957 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_nway_reset [2022-07-23 02:47:23,957 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_nway_reset [2022-07-23 02:47:23,957 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-23 02:47:23,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-23 02:47:23,957 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-07-23 02:47:23,957 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-07-23 02:47:23,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-07-23 02:47:23,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-07-23 02:47:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_all_down [2022-07-23 02:47:23,958 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_all_down [2022-07-23 02:47:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-23 02:47:23,958 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-23 02:47:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-23 02:47:23,958 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-23 02:47:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure __gm_phy_read [2022-07-23 02:47:23,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __gm_phy_read [2022-07-23 02:47:23,959 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-23 02:47:23,959 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-23 02:47:23,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-07-23 02:47:23,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-07-23 02:47:23,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-23 02:47:23,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-23 02:47:23,959 INFO L130 BoogieDeclarations]: Found specification of procedure tx_avail [2022-07-23 02:47:23,960 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_avail [2022-07-23 02:47:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_unmap_skb [2022-07-23 02:47:23,960 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_unmap_skb [2022-07-23 02:47:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-07-23 02:47:23,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-07-23 02:47:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_capability [2022-07-23 02:47:23,960 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_capability [2022-07-23 02:47:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-23 02:47:23,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-23 02:47:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_clk2us [2022-07-23 02:47:23,961 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_clk2us [2022-07-23 02:47:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_set_tx_stfwd [2022-07-23 02:47:23,961 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_set_tx_stfwd [2022-07-23 02:47:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_enable_rx_tx [2022-07-23 02:47:23,961 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_enable_rx_tx [2022-07-23 02:47:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure gma_write16 [2022-07-23 02:47:23,962 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_write16 [2022-07-23 02:47:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-23 02:47:23,962 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-23 02:47:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_next_rx [2022-07-23 02:47:23,962 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_next_rx [2022-07-23 02:47:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-23 02:47:23,962 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-23 02:47:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-23 02:47:23,963 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-23 02:47:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2022-07-23 02:47:23,963 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2022-07-23 02:47:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_sky2_cleanup_module_22_2 [2022-07-23 02:47:23,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_sky2_cleanup_module_22_2 [2022-07-23 02:47:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-07-23 02:47:23,963 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-07-23 02:47:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2022-07-23 02:47:23,964 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2022-07-23 02:47:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_get_eeprom_len [2022-07-23 02:47:23,964 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_get_eeprom_len [2022-07-23 02:47:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_setup_irq [2022-07-23 02:47:23,964 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_setup_irq [2022-07-23 02:47:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-23 02:47:23,964 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-23 02:47:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-23 02:47:23,965 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-23 02:47:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-23 02:47:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_us2clk [2022-07-23 02:47:23,965 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_us2clk [2022-07-23 02:47:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-07-23 02:47:23,965 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-07-23 02:47:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 02:47:23,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 02:47:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-07-23 02:47:23,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-07-23 02:47:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_is_copper [2022-07-23 02:47:23,966 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_is_copper [2022-07-23 02:47:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_bh [2022-07-23 02:47:23,966 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_bh [2022-07-23 02:47:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-23 02:47:23,966 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-23 02:47:23,967 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_suspend [2022-07-23 02:47:23,967 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_suspend [2022-07-23 02:47:23,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2022-07-23 02:47:23,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2022-07-23 02:47:23,967 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-07-23 02:47:23,967 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-07-23 02:47:23,967 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-07-23 02:47:23,967 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-07-23 02:47:23,968 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_write16 [2022-07-23 02:47:23,968 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_write16 [2022-07-23 02:47:23,968 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2022-07-23 02:47:23,968 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2022-07-23 02:47:23,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-23 02:47:23,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-23 02:47:23,968 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-23 02:47:23,968 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-23 02:47:23,969 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_write8 [2022-07-23 02:47:23,969 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_write8 [2022-07-23 02:47:23,969 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-07-23 02:47:23,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-07-23 02:47:23,969 INFO L130 BoogieDeclarations]: Found specification of procedure gm_phy_write [2022-07-23 02:47:23,969 INFO L138 BoogieDeclarations]: Found implementation of procedure gm_phy_write [2022-07-23 02:47:23,969 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2022-07-23 02:47:23,969 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2022-07-23 02:47:23,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2022-07-23 02:47:23,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2022-07-23 02:47:23,970 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-23 02:47:23,970 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-23 02:47:23,970 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-23 02:47:23,970 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-23 02:47:23,970 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_write32 [2022-07-23 02:47:23,970 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_write32 [2022-07-23 02:47:23,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 02:47:23,971 INFO L130 BoogieDeclarations]: Found specification of procedure gma_read64 [2022-07-23 02:47:23,971 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_read64 [2022-07-23 02:47:23,971 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_qset [2022-07-23 02:47:23,971 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_qset [2022-07-23 02:47:23,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-23 02:47:23,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-23 02:47:23,971 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-07-23 02:47:23,972 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-07-23 02:47:23,972 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_open [2022-07-23 02:47:23,972 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_open [2022-07-23 02:47:23,972 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-23 02:47:23,972 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_mhz [2022-07-23 02:47:23,972 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_mhz [2022-07-23 02:47:25,072 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 02:47:25,078 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 02:47:25,192 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 02:47:36,537 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-23 02:47:43,540 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 02:47:43,563 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 02:47:43,563 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2022-07-23 02:47:43,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:47:43 BoogieIcfgContainer [2022-07-23 02:47:43,569 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 02:47:43,572 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 02:47:43,572 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 02:47:43,578 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 02:47:43,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 02:47:16" (1/3) ... [2022-07-23 02:47:43,579 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@639fc028 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 02:47:43, skipping insertion in model container [2022-07-23 02:47:43,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:47:22" (2/3) ... [2022-07-23 02:47:43,579 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@639fc028 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 02:47:43, skipping insertion in model container [2022-07-23 02:47:43,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:47:43" (3/3) ... [2022-07-23 02:47:43,580 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-marvell-sky2.cil.i [2022-07-23 02:47:43,593 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 02:47:43,593 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-07-23 02:47:43,709 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 02:47:43,714 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@501800a2, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@34870239 [2022-07-23 02:47:43,714 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-07-23 02:47:43,725 INFO L276 IsEmpty]: Start isEmpty. Operand has 4490 states, 3061 states have (on average 1.3250571708591963) internal successors, (4056), 3141 states have internal predecessors, (4056), 1217 states have call successors, (1217), 212 states have call predecessors, (1217), 211 states have return successors, (1207), 1182 states have call predecessors, (1207), 1207 states have call successors, (1207) [2022-07-23 02:47:43,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2022-07-23 02:47:43,744 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:47:43,745 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 32, 32, 32, 32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:47:43,745 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:47:43,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:47:43,749 INFO L85 PathProgramCache]: Analyzing trace with hash 1375877424, now seen corresponding path program 1 times [2022-07-23 02:47:43,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:47:43,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295403827] [2022-07-23 02:47:43,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:47:43,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:47:44,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:47:44,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:47:44,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:47:44,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:47:44,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:47:44,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:47:44,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:47:44,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:47:44,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:47:44,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:47:44,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:47:44,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:47:44,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:47:44,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:47:44,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:47:44,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:47:44,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:47:44,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:47:44,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:47:44,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:47:44,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:47:44,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:47:44,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:47:44,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:47:44,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:47:44,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:47:44,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:47:44,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:47:44,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:47:44,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:47:44,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:47:44,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:47:44,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:47:44,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 02:47:44,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:47:44,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:47:44,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:47:44,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 02:47:44,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:47:44,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:47:44,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:47:44,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 02:47:44,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:47:44,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:47:44,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:47:44,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 02:47:44,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:47:44,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:47:44,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:47:44,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 02:47:44,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:47:44,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:47:44,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:47:44,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 02:47:44,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:47:44,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:47:44,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:47:44,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 02:47:45,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:47:45,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:47:45,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:47:45,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 02:47:45,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:47:45,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:47:45,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:47:45,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 02:47:45,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:47:45,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:47:45,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:47:45,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 02:47:45,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:47:45,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:47:45,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:47:45,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-23 02:47:45,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:47:45,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:47:45,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:47:45,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-23 02:47:45,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:47:45,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:47:45,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:47:45,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-23 02:47:45,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:47:45,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:47:45,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:47:45,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-23 02:47:45,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:47:45,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:47:45,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:47:45,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-23 02:47:45,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:47:45,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:47:45,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:47:45,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 02:47:45,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:47:45,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:47:45,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:47:45,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-23 02:47:45,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:47:45,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:47:45,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:47:45,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-23 02:47:45,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:47:45,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:47:45,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:47:45,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-23 02:47:45,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:47:45,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:47:45,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:47:45,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-23 02:47:45,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:47:45,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:47:45,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:47:45,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-23 02:47:45,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:47:45,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:47:45,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:47:45,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-23 02:47:45,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:47:45,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:47:45,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:47:45,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-23 02:47:45,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:47:45,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:47:45,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:47:45,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-23 02:47:45,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:47:45,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:47:45,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:47:45,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-23 02:47:45,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:47:45,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2022-07-23 02:47:45,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:47:45,397 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2022-07-23 02:47:45,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:47:45,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295403827] [2022-07-23 02:47:45,398 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295403827] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:47:45,398 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:47:45,398 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 02:47:45,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647223003] [2022-07-23 02:47:45,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:47:45,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 02:47:45,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:47:45,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 02:47:45,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 02:47:45,435 INFO L87 Difference]: Start difference. First operand has 4490 states, 3061 states have (on average 1.3250571708591963) internal successors, (4056), 3141 states have internal predecessors, (4056), 1217 states have call successors, (1217), 212 states have call predecessors, (1217), 211 states have return successors, (1207), 1182 states have call predecessors, (1207), 1207 states have call successors, (1207) Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-07-23 02:47:58,594 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:48:00,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:48:00,449 INFO L93 Difference]: Finished difference Result 13640 states and 20140 transitions. [2022-07-23 02:48:00,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 02:48:00,453 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 381 [2022-07-23 02:48:00,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:48:00,524 INFO L225 Difference]: With dead ends: 13640 [2022-07-23 02:48:00,524 INFO L226 Difference]: Without dead ends: 9202 [2022-07-23 02:48:00,562 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:48:00,568 INFO L413 NwaCegarLoop]: 6571 mSDtfsCounter, 8047 mSDsluCounter, 6087 mSDsCounter, 0 mSdLazyCounter, 5284 mSolverCounterSat, 4100 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9181 SdHoareTripleChecker+Valid, 12658 SdHoareTripleChecker+Invalid, 9385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4100 IncrementalHoareTripleChecker+Valid, 5284 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.2s IncrementalHoareTripleChecker+Time [2022-07-23 02:48:00,569 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9181 Valid, 12658 Invalid, 9385 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4100 Valid, 5284 Invalid, 1 Unknown, 0 Unchecked, 14.2s Time] [2022-07-23 02:48:00,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9202 states. [2022-07-23 02:48:00,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9202 to 8662. [2022-07-23 02:48:01,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8662 states, 5891 states have (on average 1.2855202851807843) internal successors, (7573), 6050 states have internal predecessors, (7573), 2350 states have call successors, (2350), 420 states have call predecessors, (2350), 419 states have return successors, (2347), 2297 states have call predecessors, (2347), 2347 states have call successors, (2347) [2022-07-23 02:48:01,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8662 states to 8662 states and 12270 transitions. [2022-07-23 02:48:01,069 INFO L78 Accepts]: Start accepts. Automaton has 8662 states and 12270 transitions. Word has length 381 [2022-07-23 02:48:01,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:48:01,073 INFO L495 AbstractCegarLoop]: Abstraction has 8662 states and 12270 transitions. [2022-07-23 02:48:01,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-07-23 02:48:01,074 INFO L276 IsEmpty]: Start isEmpty. Operand 8662 states and 12270 transitions. [2022-07-23 02:48:01,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2022-07-23 02:48:01,090 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:48:01,091 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 32, 32, 32, 32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:48:01,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-23 02:48:01,094 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:48:01,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:48:01,095 INFO L85 PathProgramCache]: Analyzing trace with hash 974152498, now seen corresponding path program 1 times [2022-07-23 02:48:01,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:48:01,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888492330] [2022-07-23 02:48:01,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:48:01,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:48:01,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:01,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:48:01,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:01,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:01,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:01,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:48:01,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:01,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:01,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:01,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:48:01,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:01,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:01,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:01,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:48:01,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:01,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:01,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:01,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:48:01,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:01,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:01,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:01,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:48:01,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:01,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:01,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:01,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:48:01,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:01,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:01,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:01,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:48:01,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:01,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:01,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:01,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 02:48:01,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:01,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:01,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:01,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 02:48:01,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:01,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:01,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:01,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 02:48:01,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:01,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:01,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:01,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 02:48:01,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:01,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:01,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:01,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 02:48:01,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:01,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:01,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:01,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 02:48:01,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:01,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:01,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:01,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 02:48:01,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:01,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:01,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:01,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 02:48:01,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:01,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:01,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:01,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 02:48:01,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:01,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:01,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:01,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 02:48:01,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:01,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:01,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:01,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-23 02:48:01,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:01,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:01,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:01,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-23 02:48:01,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:01,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:01,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:01,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-23 02:48:01,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:01,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:01,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:01,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-23 02:48:01,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:01,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:01,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:01,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-23 02:48:01,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:01,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:01,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:01,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 02:48:01,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:01,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:01,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:01,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-23 02:48:01,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:01,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:01,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:01,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-23 02:48:01,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:01,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:01,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:01,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-23 02:48:02,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:02,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:02,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:02,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-23 02:48:02,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:02,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:02,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:02,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-23 02:48:02,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:02,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:02,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:02,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-23 02:48:02,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:02,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:02,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:02,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-23 02:48:02,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:02,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:02,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:02,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-23 02:48:02,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:02,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:02,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:02,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-23 02:48:02,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:02,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-07-23 02:48:02,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:02,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-07-23 02:48:02,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:02,146 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2022-07-23 02:48:02,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:48:02,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888492330] [2022-07-23 02:48:02,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888492330] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:48:02,147 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:48:02,147 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 02:48:02,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884669406] [2022-07-23 02:48:02,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:48:02,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 02:48:02,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:48:02,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 02:48:02,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 02:48:02,151 INFO L87 Difference]: Start difference. First operand 8662 states and 12270 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-07-23 02:48:14,494 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:48:16,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:48:16,611 INFO L93 Difference]: Finished difference Result 21627 states and 30828 transitions. [2022-07-23 02:48:16,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 02:48:16,612 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 402 [2022-07-23 02:48:16,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:48:16,861 INFO L225 Difference]: With dead ends: 21627 [2022-07-23 02:48:16,862 INFO L226 Difference]: Without dead ends: 13034 [2022-07-23 02:48:16,916 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:48:16,918 INFO L413 NwaCegarLoop]: 6507 mSDtfsCounter, 7535 mSDsluCounter, 6113 mSDsCounter, 0 mSdLazyCounter, 5214 mSolverCounterSat, 3980 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8585 SdHoareTripleChecker+Valid, 12620 SdHoareTripleChecker+Invalid, 9195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3980 IncrementalHoareTripleChecker+Valid, 5214 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2022-07-23 02:48:16,918 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8585 Valid, 12620 Invalid, 9195 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3980 Valid, 5214 Invalid, 1 Unknown, 0 Unchecked, 13.7s Time] [2022-07-23 02:48:16,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13034 states. [2022-07-23 02:48:17,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13034 to 12228. [2022-07-23 02:48:17,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12228 states, 8309 states have (on average 1.2827055000601757) internal successors, (10658), 8532 states have internal predecessors, (10658), 3305 states have call successors, (3305), 614 states have call predecessors, (3305), 612 states have return successors, (3302), 3224 states have call predecessors, (3302), 3302 states have call successors, (3302) [2022-07-23 02:48:17,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12228 states to 12228 states and 17265 transitions. [2022-07-23 02:48:17,487 INFO L78 Accepts]: Start accepts. Automaton has 12228 states and 17265 transitions. Word has length 402 [2022-07-23 02:48:17,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:48:17,491 INFO L495 AbstractCegarLoop]: Abstraction has 12228 states and 17265 transitions. [2022-07-23 02:48:17,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-07-23 02:48:17,492 INFO L276 IsEmpty]: Start isEmpty. Operand 12228 states and 17265 transitions. [2022-07-23 02:48:17,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2022-07-23 02:48:17,501 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:48:17,501 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 32, 32, 32, 32, 32, 32, 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] [2022-07-23 02:48:17,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-23 02:48:17,502 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:48:17,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:48:17,502 INFO L85 PathProgramCache]: Analyzing trace with hash -1668387570, now seen corresponding path program 1 times [2022-07-23 02:48:17,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:48:17,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124364971] [2022-07-23 02:48:17,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:48:17,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:48:17,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:17,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:48:17,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:17,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:17,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:17,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:48:17,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:17,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:17,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:17,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:48:17,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:17,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:17,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:17,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:48:17,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:17,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:17,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:17,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:48:17,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:18,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:18,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:18,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:48:18,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:18,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:18,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:18,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:48:18,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:18,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:18,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:18,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:48:18,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:18,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:18,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:18,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 02:48:18,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:18,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:18,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:18,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 02:48:18,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:18,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:18,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:18,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 02:48:18,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:18,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:18,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:18,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 02:48:18,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:18,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:18,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:18,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 02:48:18,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:18,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:18,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:18,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 02:48:18,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:18,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:18,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:18,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 02:48:18,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:18,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:18,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:18,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 02:48:18,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:18,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:18,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:18,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 02:48:18,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:18,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:18,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:18,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 02:48:18,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:18,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:18,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:18,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-23 02:48:18,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:18,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:18,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:18,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-23 02:48:18,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:18,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:18,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:18,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-23 02:48:18,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:18,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:18,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:18,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-23 02:48:18,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:18,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:18,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:18,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-23 02:48:18,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:18,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:18,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:18,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 02:48:18,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:18,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:18,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:18,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-23 02:48:18,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:18,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:18,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:18,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-23 02:48:18,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:18,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:18,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:18,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-23 02:48:18,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:18,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:18,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:18,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-23 02:48:18,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:18,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:18,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:18,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-23 02:48:18,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:18,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:18,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:18,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-23 02:48:18,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:18,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:18,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:18,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-23 02:48:18,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:18,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:18,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:18,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-23 02:48:18,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:18,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:18,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:18,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-23 02:48:18,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:18,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-07-23 02:48:18,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:18,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:18,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:18,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:48:18,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:18,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:48:18,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:18,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-07-23 02:48:18,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:18,597 INFO L134 CoverageAnalysis]: Checked inductivity of 4564 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4564 trivial. 0 not checked. [2022-07-23 02:48:18,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:48:18,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124364971] [2022-07-23 02:48:18,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124364971] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:48:18,598 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:48:18,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 02:48:18,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002572615] [2022-07-23 02:48:18,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:48:18,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 02:48:18,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:48:18,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 02:48:18,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 02:48:18,601 INFO L87 Difference]: Start difference. First operand 12228 states and 17265 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2022-07-23 02:48:31,304 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:48:32,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:48:32,935 INFO L93 Difference]: Finished difference Result 33833 states and 48121 transitions. [2022-07-23 02:48:32,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 02:48:32,935 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 415 [2022-07-23 02:48:32,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:48:33,093 INFO L225 Difference]: With dead ends: 33833 [2022-07-23 02:48:33,094 INFO L226 Difference]: Without dead ends: 21674 [2022-07-23 02:48:33,159 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:48:33,162 INFO L413 NwaCegarLoop]: 6546 mSDtfsCounter, 7989 mSDsluCounter, 6106 mSDsCounter, 0 mSdLazyCounter, 5299 mSolverCounterSat, 4098 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9119 SdHoareTripleChecker+Valid, 12652 SdHoareTripleChecker+Invalid, 9398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4098 IncrementalHoareTripleChecker+Valid, 5299 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.4s IncrementalHoareTripleChecker+Time [2022-07-23 02:48:33,163 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9119 Valid, 12652 Invalid, 9398 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4098 Valid, 5299 Invalid, 1 Unknown, 0 Unchecked, 13.4s Time] [2022-07-23 02:48:33,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21674 states. [2022-07-23 02:48:33,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21674 to 20328. [2022-07-23 02:48:33,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20328 states, 13818 states have (on average 1.2817339701838182) internal successors, (17711), 14199 states have internal predecessors, (17711), 5485 states have call successors, (5485), 1026 states have call predecessors, (5485), 1023 states have return successors, (5482), 5343 states have call predecessors, (5482), 5482 states have call successors, (5482) [2022-07-23 02:48:34,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20328 states to 20328 states and 28678 transitions. [2022-07-23 02:48:34,091 INFO L78 Accepts]: Start accepts. Automaton has 20328 states and 28678 transitions. Word has length 415 [2022-07-23 02:48:34,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:48:34,091 INFO L495 AbstractCegarLoop]: Abstraction has 20328 states and 28678 transitions. [2022-07-23 02:48:34,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2022-07-23 02:48:34,092 INFO L276 IsEmpty]: Start isEmpty. Operand 20328 states and 28678 transitions. [2022-07-23 02:48:34,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2022-07-23 02:48:34,104 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:48:34,104 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 33, 33, 33, 33, 33, 33, 4, 4, 4, 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] [2022-07-23 02:48:34,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-23 02:48:34,105 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:48:34,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:48:34,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1642271361, now seen corresponding path program 1 times [2022-07-23 02:48:34,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:48:34,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305087069] [2022-07-23 02:48:34,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:48:34,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:48:34,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:48:34,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:34,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:48:34,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:34,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:48:34,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:34,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:48:34,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:34,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:48:34,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:34,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:48:34,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:34,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:48:34,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:34,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:48:34,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:34,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 02:48:34,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:34,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 02:48:34,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:34,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 02:48:34,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:34,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 02:48:34,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:34,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 02:48:34,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:34,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 02:48:34,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:34,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 02:48:34,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:34,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 02:48:34,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:34,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 02:48:34,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:34,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 02:48:34,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:34,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-23 02:48:34,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:34,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-23 02:48:34,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:34,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-23 02:48:34,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:34,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-23 02:48:34,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:34,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-23 02:48:34,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:34,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 02:48:34,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:34,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-23 02:48:34,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:34,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-23 02:48:34,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:34,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-23 02:48:34,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:34,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-23 02:48:34,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:34,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-23 02:48:34,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:34,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-23 02:48:34,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:34,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-23 02:48:34,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:34,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-23 02:48:34,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:34,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-23 02:48:34,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-23 02:48:34,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-23 02:48:34,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:34,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-23 02:48:34,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-23 02:48:34,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-23 02:48:34,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:34,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-07-23 02:48:34,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-07-23 02:48:34,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2022-07-23 02:48:34,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,875 INFO L134 CoverageAnalysis]: Checked inductivity of 5202 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5190 trivial. 0 not checked. [2022-07-23 02:48:34,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:48:34,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305087069] [2022-07-23 02:48:34,875 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305087069] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:48:34,875 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:48:34,875 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 02:48:34,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645530022] [2022-07-23 02:48:34,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:48:34,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 02:48:34,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:48:34,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 02:48:34,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 02:48:34,877 INFO L87 Difference]: Start difference. First operand 20328 states and 28678 transitions. Second operand has 4 states, 4 states have (on average 23.25) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (44), 3 states have call predecessors, (44), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-23 02:48:46,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:48:46,528 INFO L93 Difference]: Finished difference Result 55294 states and 78672 transitions. [2022-07-23 02:48:46,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 02:48:46,529 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (44), 3 states have call predecessors, (44), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 453 [2022-07-23 02:48:46,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:48:46,808 INFO L225 Difference]: With dead ends: 55294 [2022-07-23 02:48:46,808 INFO L226 Difference]: Without dead ends: 38782 [2022-07-23 02:48:46,886 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:48:46,889 INFO L413 NwaCegarLoop]: 11002 mSDtfsCounter, 6425 mSDsluCounter, 8156 mSDsCounter, 0 mSdLazyCounter, 5303 mSolverCounterSat, 2935 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7547 SdHoareTripleChecker+Valid, 19158 SdHoareTripleChecker+Invalid, 8238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2935 IncrementalHoareTripleChecker+Valid, 5303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2022-07-23 02:48:46,890 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7547 Valid, 19158 Invalid, 8238 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2935 Valid, 5303 Invalid, 0 Unknown, 0 Unchecked, 10.4s Time] [2022-07-23 02:48:46,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38782 states. [2022-07-23 02:48:48,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38782 to 36383. [2022-07-23 02:48:48,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36383 states, 24749 states have (on average 1.282880116368338) internal successors, (31750), 25424 states have internal predecessors, (31750), 9800 states have call successors, (9800), 1835 states have call predecessors, (9800), 1832 states have return successors, (9797), 9560 states have call predecessors, (9797), 9797 states have call successors, (9797) [2022-07-23 02:48:48,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36383 states to 36383 states and 51347 transitions. [2022-07-23 02:48:48,555 INFO L78 Accepts]: Start accepts. Automaton has 36383 states and 51347 transitions. Word has length 453 [2022-07-23 02:48:48,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:48:48,557 INFO L495 AbstractCegarLoop]: Abstraction has 36383 states and 51347 transitions. [2022-07-23 02:48:48,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (44), 3 states have call predecessors, (44), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-23 02:48:48,558 INFO L276 IsEmpty]: Start isEmpty. Operand 36383 states and 51347 transitions. [2022-07-23 02:48:48,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2022-07-23 02:48:48,580 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:48:48,581 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 33, 33, 33, 33, 33, 33, 4, 4, 4, 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] [2022-07-23 02:48:48,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-23 02:48:48,581 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:48:48,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:48:48,582 INFO L85 PathProgramCache]: Analyzing trace with hash 1704310975, now seen corresponding path program 1 times [2022-07-23 02:48:48,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:48:48,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773009797] [2022-07-23 02:48:48,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:48:48,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:48:48,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:48:49,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:49,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:48:49,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:49,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:48:49,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:49,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:48:49,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:49,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:48:49,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:49,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:48:49,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:49,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:48:49,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:49,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:48:49,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:49,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 02:48:49,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:49,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 02:48:49,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:49,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 02:48:49,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:49,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 02:48:49,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:49,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 02:48:49,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:49,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 02:48:49,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:49,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 02:48:49,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:49,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 02:48:49,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:49,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 02:48:49,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:49,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 02:48:49,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:49,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-23 02:48:49,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:49,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-23 02:48:49,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:49,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-23 02:48:49,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:49,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-23 02:48:49,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:49,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-23 02:48:49,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:49,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 02:48:49,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:49,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-23 02:48:49,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:49,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-23 02:48:49,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:49,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-23 02:48:49,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:49,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-23 02:48:49,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:49,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-23 02:48:49,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:49,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-23 02:48:49,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:49,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-23 02:48:49,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:49,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-23 02:48:49,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:49,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-23 02:48:49,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-23 02:48:49,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-23 02:48:49,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:49,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-23 02:48:49,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-23 02:48:49,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-23 02:48:49,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:48:49,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-07-23 02:48:49,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-07-23 02:48:49,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2022-07-23 02:48:49,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:49,739 INFO L134 CoverageAnalysis]: Checked inductivity of 5202 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5202 trivial. 0 not checked. [2022-07-23 02:48:49,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:48:49,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773009797] [2022-07-23 02:48:49,740 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773009797] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:48:49,740 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:48:49,740 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 02:48:49,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798057993] [2022-07-23 02:48:49,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:48:49,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 02:48:49,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:48:49,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 02:48:49,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:48:49,742 INFO L87 Difference]: Start difference. First operand 36383 states and 51347 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-07-23 02:48:58,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:48:58,571 INFO L93 Difference]: Finished difference Result 38780 states and 55351 transitions. [2022-07-23 02:48:58,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 02:48:58,572 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 453 [2022-07-23 02:48:58,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:48:58,849 INFO L225 Difference]: With dead ends: 38780 [2022-07-23 02:48:58,849 INFO L226 Difference]: Without dead ends: 38703 [2022-07-23 02:48:58,912 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-23 02:48:58,913 INFO L413 NwaCegarLoop]: 5804 mSDtfsCounter, 6502 mSDsluCounter, 6071 mSDsCounter, 0 mSdLazyCounter, 4053 mSolverCounterSat, 2826 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7153 SdHoareTripleChecker+Valid, 11875 SdHoareTripleChecker+Invalid, 6879 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2826 IncrementalHoareTripleChecker+Valid, 4053 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2022-07-23 02:48:58,914 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7153 Valid, 11875 Invalid, 6879 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2826 Valid, 4053 Invalid, 0 Unknown, 0 Unchecked, 7.7s Time] [2022-07-23 02:48:58,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38703 states. [2022-07-23 02:49:00,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38703 to 36306. [2022-07-23 02:49:00,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36306 states, 24706 states have (on average 1.2828057961628754) internal successors, (31693), 25369 states have internal predecessors, (31693), 9769 states have call successors, (9769), 1830 states have call predecessors, (9769), 1830 states have return successors, (9769), 9543 states have call predecessors, (9769), 9769 states have call successors, (9769) [2022-07-23 02:49:00,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36306 states to 36306 states and 51231 transitions. [2022-07-23 02:49:00,362 INFO L78 Accepts]: Start accepts. Automaton has 36306 states and 51231 transitions. Word has length 453 [2022-07-23 02:49:00,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:49:00,363 INFO L495 AbstractCegarLoop]: Abstraction has 36306 states and 51231 transitions. [2022-07-23 02:49:00,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-07-23 02:49:00,363 INFO L276 IsEmpty]: Start isEmpty. Operand 36306 states and 51231 transitions. [2022-07-23 02:49:00,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2022-07-23 02:49:00,405 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:49:00,405 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 33, 33, 33, 33, 33, 33, 5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:49:00,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-23 02:49:00,406 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:49:00,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:49:00,406 INFO L85 PathProgramCache]: Analyzing trace with hash -1413689594, now seen corresponding path program 1 times [2022-07-23 02:49:00,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:49:00,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521484466] [2022-07-23 02:49:00,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:49:00,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:49:00,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:00,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:49:00,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:01,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:49:01,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:01,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:49:01,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:01,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:49:01,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:01,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:49:01,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:01,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:49:01,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:01,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:49:01,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:01,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:49:01,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:01,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 02:49:01,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:01,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 02:49:01,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:01,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 02:49:01,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:01,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 02:49:01,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:01,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 02:49:01,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:01,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 02:49:01,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:01,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 02:49:01,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:01,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 02:49:01,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:01,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 02:49:01,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:01,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 02:49:01,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:01,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-23 02:49:01,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:01,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-23 02:49:01,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:01,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-23 02:49:01,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:01,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-23 02:49:01,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:01,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-23 02:49:01,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:01,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 02:49:01,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:01,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-23 02:49:01,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:01,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-23 02:49:01,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:01,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-23 02:49:01,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:01,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-23 02:49:01,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:01,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-23 02:49:01,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:01,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-23 02:49:01,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:01,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-23 02:49:01,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:01,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-23 02:49:01,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:01,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-23 02:49:01,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-23 02:49:01,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-23 02:49:01,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:01,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-23 02:49:01,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-23 02:49:01,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-07-23 02:49:01,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2022-07-23 02:49:01,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:01,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-07-23 02:49:01,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2022-07-23 02:49:01,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2022-07-23 02:49:01,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2022-07-23 02:49:01,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:01,561 INFO L134 CoverageAnalysis]: Checked inductivity of 5209 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5206 trivial. 0 not checked. [2022-07-23 02:49:01,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:49:01,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521484466] [2022-07-23 02:49:01,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521484466] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:49:01,562 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:49:01,562 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 02:49:01,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914117214] [2022-07-23 02:49:01,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:49:01,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 02:49:01,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:49:01,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 02:49:01,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 02:49:01,564 INFO L87 Difference]: Start difference. First operand 36306 states and 51231 transitions. Second operand has 4 states, 4 states have (on average 28.75) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (46), 3 states have call predecessors, (46), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2022-07-23 02:49:13,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:49:13,416 INFO L93 Difference]: Finished difference Result 87691 states and 124619 transitions. [2022-07-23 02:49:13,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 02:49:13,417 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (46), 3 states have call predecessors, (46), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 482 [2022-07-23 02:49:13,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:49:13,666 INFO L225 Difference]: With dead ends: 87691 [2022-07-23 02:49:13,666 INFO L226 Difference]: Without dead ends: 55201 [2022-07-23 02:49:13,789 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:49:13,791 INFO L413 NwaCegarLoop]: 10733 mSDtfsCounter, 5958 mSDsluCounter, 8005 mSDsCounter, 0 mSdLazyCounter, 5222 mSolverCounterSat, 2847 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7003 SdHoareTripleChecker+Valid, 18738 SdHoareTripleChecker+Invalid, 8069 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2847 IncrementalHoareTripleChecker+Valid, 5222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2022-07-23 02:49:13,791 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7003 Valid, 18738 Invalid, 8069 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2847 Valid, 5222 Invalid, 0 Unknown, 0 Unchecked, 9.9s Time] [2022-07-23 02:49:13,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55201 states. [2022-07-23 02:49:15,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55201 to 51744. [2022-07-23 02:49:15,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51744 states, 35204 states have (on average 1.282269060334053) internal successors, (45141), 36147 states have internal predecessors, (45141), 13913 states have call successors, (13913), 2626 states have call predecessors, (13913), 2626 states have return successors, (13913), 13587 states have call predecessors, (13913), 13913 states have call successors, (13913) [2022-07-23 02:49:15,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51744 states to 51744 states and 72967 transitions. [2022-07-23 02:49:15,831 INFO L78 Accepts]: Start accepts. Automaton has 51744 states and 72967 transitions. Word has length 482 [2022-07-23 02:49:15,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:49:15,832 INFO L495 AbstractCegarLoop]: Abstraction has 51744 states and 72967 transitions. [2022-07-23 02:49:15,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (46), 3 states have call predecessors, (46), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2022-07-23 02:49:15,833 INFO L276 IsEmpty]: Start isEmpty. Operand 51744 states and 72967 transitions. [2022-07-23 02:49:15,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 510 [2022-07-23 02:49:15,891 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:49:15,891 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 33, 33, 33, 33, 33, 33, 6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:49:15,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-23 02:49:15,892 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:49:15,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:49:15,892 INFO L85 PathProgramCache]: Analyzing trace with hash 1557846666, now seen corresponding path program 1 times [2022-07-23 02:49:15,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:49:15,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424774880] [2022-07-23 02:49:15,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:49:15,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:49:16,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:49:16,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:16,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:49:16,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:16,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:49:16,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:16,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:49:16,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:16,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:49:16,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:16,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:49:16,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:16,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:49:16,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:16,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:49:16,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:16,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 02:49:16,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:16,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 02:49:16,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:16,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 02:49:16,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:16,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 02:49:16,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:16,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 02:49:16,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:16,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 02:49:16,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:16,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 02:49:16,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:16,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 02:49:16,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:16,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 02:49:16,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:16,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 02:49:16,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:16,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-23 02:49:16,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:16,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-23 02:49:16,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:16,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-23 02:49:16,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:16,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-23 02:49:16,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:16,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-23 02:49:16,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:16,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 02:49:16,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:16,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-23 02:49:16,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:16,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-23 02:49:16,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:16,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-23 02:49:16,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:16,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-23 02:49:16,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:16,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-23 02:49:16,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:16,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-23 02:49:16,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:16,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-23 02:49:16,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:16,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-23 02:49:16,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:16,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-23 02:49:16,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-23 02:49:16,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-23 02:49:16,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:16,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-23 02:49:16,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-23 02:49:16,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-23 02:49:16,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:16,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-07-23 02:49:16,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-07-23 02:49:16,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2022-07-23 02:49:16,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2022-07-23 02:49:16,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:16,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2022-07-23 02:49:16,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:17,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:17,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:17,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:49:17,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:17,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:49:17,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:17,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2022-07-23 02:49:17,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:17,030 INFO L134 CoverageAnalysis]: Checked inductivity of 5354 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 5337 trivial. 0 not checked. [2022-07-23 02:49:17,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:49:17,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424774880] [2022-07-23 02:49:17,031 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424774880] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:49:17,031 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:49:17,031 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 02:49:17,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442241418] [2022-07-23 02:49:17,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:49:17,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 02:49:17,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:49:17,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 02:49:17,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 02:49:17,033 INFO L87 Difference]: Start difference. First operand 51744 states and 72967 transitions. Second operand has 4 states, 4 states have (on average 32.25) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2022-07-23 02:49:30,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:49:30,137 INFO L93 Difference]: Finished difference Result 128404 states and 182375 transitions. [2022-07-23 02:49:30,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 02:49:30,139 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 509 [2022-07-23 02:49:30,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:49:30,726 INFO L225 Difference]: With dead ends: 128404 [2022-07-23 02:49:30,726 INFO L226 Difference]: Without dead ends: 76386 [2022-07-23 02:49:30,894 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:49:30,895 INFO L413 NwaCegarLoop]: 11347 mSDtfsCounter, 6362 mSDsluCounter, 8399 mSDsCounter, 0 mSdLazyCounter, 5280 mSolverCounterSat, 2834 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7480 SdHoareTripleChecker+Valid, 19746 SdHoareTripleChecker+Invalid, 8114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2834 IncrementalHoareTripleChecker+Valid, 5280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2022-07-23 02:49:30,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7480 Valid, 19746 Invalid, 8114 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2834 Valid, 5280 Invalid, 0 Unknown, 0 Unchecked, 10.3s Time] [2022-07-23 02:49:30,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76386 states. [2022-07-23 02:49:33,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76386 to 71604. [2022-07-23 02:49:33,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71604 states, 48710 states have (on average 1.282837199753644) internal successors, (62487), 50016 states have internal predecessors, (62487), 19260 states have call successors, (19260), 3633 states have call predecessors, (19260), 3633 states have return successors, (19260), 18812 states have call predecessors, (19260), 19260 states have call successors, (19260) [2022-07-23 02:49:34,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71604 states to 71604 states and 101007 transitions. [2022-07-23 02:49:34,098 INFO L78 Accepts]: Start accepts. Automaton has 71604 states and 101007 transitions. Word has length 509 [2022-07-23 02:49:34,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:49:34,099 INFO L495 AbstractCegarLoop]: Abstraction has 71604 states and 101007 transitions. [2022-07-23 02:49:34,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2022-07-23 02:49:34,099 INFO L276 IsEmpty]: Start isEmpty. Operand 71604 states and 101007 transitions. [2022-07-23 02:49:34,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 536 [2022-07-23 02:49:34,152 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:49:34,152 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 33, 33, 33, 33, 33, 33, 7, 7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:49:34,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-23 02:49:34,153 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:49:34,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:49:34,153 INFO L85 PathProgramCache]: Analyzing trace with hash -1323562556, now seen corresponding path program 1 times [2022-07-23 02:49:34,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:49:34,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323852530] [2022-07-23 02:49:34,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:49:34,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:49:34,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:34,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:49:34,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:34,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:34,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:34,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:49:34,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:34,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:34,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:34,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:49:34,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:34,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:34,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:34,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:49:34,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:34,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:34,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:34,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:49:34,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:34,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:34,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:34,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:49:34,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:34,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:34,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:34,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:49:34,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:34,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:34,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:34,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:49:34,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:34,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:34,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:34,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 02:49:34,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:34,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:34,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:34,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 02:49:34,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:34,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:34,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:34,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 02:49:34,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:34,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:34,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:34,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 02:49:34,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:34,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:34,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:34,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 02:49:34,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:34,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:34,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:34,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 02:49:34,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:34,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:34,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:34,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 02:49:34,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:34,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:34,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:34,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 02:49:34,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:34,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:34,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:34,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 02:49:34,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:34,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:34,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:34,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 02:49:34,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:34,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:34,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:34,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-23 02:49:34,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:34,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:34,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:34,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-23 02:49:34,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:34,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:34,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:34,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-23 02:49:34,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:34,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:34,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:34,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-23 02:49:34,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:34,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:34,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:34,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-23 02:49:34,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:34,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:34,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:34,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 02:49:34,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:34,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:34,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:34,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-23 02:49:34,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:34,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:34,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:34,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-23 02:49:34,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:34,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:34,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:34,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-23 02:49:34,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:34,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:34,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:34,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-23 02:49:34,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:34,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:34,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:34,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-23 02:49:34,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:35,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:35,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:35,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-23 02:49:35,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:35,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:35,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:35,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-23 02:49:35,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:35,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:35,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:35,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-23 02:49:35,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:35,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:35,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:35,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-23 02:49:35,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:35,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-23 02:49:35,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:35,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-23 02:49:35,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:35,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:35,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:35,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-23 02:49:35,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:35,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-23 02:49:35,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:35,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-23 02:49:35,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:35,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:35,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:35,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-07-23 02:49:35,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:35,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-07-23 02:49:35,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:35,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2022-07-23 02:49:35,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:35,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-07-23 02:49:35,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:35,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2022-07-23 02:49:35,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:35,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2022-07-23 02:49:35,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:35,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2022-07-23 02:49:35,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:35,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2022-07-23 02:49:35,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:35,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:35,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:35,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:49:35,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:35,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:49:35,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:35,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2022-07-23 02:49:35,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:35,184 INFO L134 CoverageAnalysis]: Checked inductivity of 5635 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 5603 trivial. 0 not checked. [2022-07-23 02:49:35,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:49:35,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323852530] [2022-07-23 02:49:35,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323852530] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:49:35,184 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:49:35,184 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 02:49:35,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201710932] [2022-07-23 02:49:35,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:49:35,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 02:49:35,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:49:35,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 02:49:35,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 02:49:35,187 INFO L87 Difference]: Start difference. First operand 71604 states and 101007 transitions. Second operand has 4 states, 4 states have (on average 33.25) internal successors, (133), 3 states have internal predecessors, (133), 3 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2022-07-23 02:49:48,375 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:49:50,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:49:50,973 INFO L93 Difference]: Finished difference Result 169415 states and 240590 transitions. [2022-07-23 02:49:50,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 02:49:50,974 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.25) internal successors, (133), 3 states have internal predecessors, (133), 3 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) Word has length 535 [2022-07-23 02:49:50,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:49:51,709 INFO L225 Difference]: With dead ends: 169415 [2022-07-23 02:49:51,709 INFO L226 Difference]: Without dead ends: 97573 [2022-07-23 02:49:51,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:49:51,925 INFO L413 NwaCegarLoop]: 11342 mSDtfsCounter, 6361 mSDsluCounter, 8395 mSDsCounter, 0 mSdLazyCounter, 5267 mSolverCounterSat, 2830 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7479 SdHoareTripleChecker+Valid, 19737 SdHoareTripleChecker+Invalid, 8098 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2830 IncrementalHoareTripleChecker+Valid, 5267 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.1s IncrementalHoareTripleChecker+Time [2022-07-23 02:49:51,926 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7479 Valid, 19737 Invalid, 8098 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2830 Valid, 5267 Invalid, 1 Unknown, 0 Unchecked, 12.1s Time] [2022-07-23 02:49:51,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97573 states. [2022-07-23 02:49:54,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97573 to 71604. [2022-07-23 02:49:54,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71604 states, 48710 states have (on average 1.2828166700882775) internal successors, (62486), 50016 states have internal predecessors, (62486), 19260 states have call successors, (19260), 3633 states have call predecessors, (19260), 3633 states have return successors, (19260), 18812 states have call predecessors, (19260), 19260 states have call successors, (19260) [2022-07-23 02:49:55,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71604 states to 71604 states and 101006 transitions. [2022-07-23 02:49:55,087 INFO L78 Accepts]: Start accepts. Automaton has 71604 states and 101006 transitions. Word has length 535 [2022-07-23 02:49:55,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:49:55,088 INFO L495 AbstractCegarLoop]: Abstraction has 71604 states and 101006 transitions. [2022-07-23 02:49:55,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.25) internal successors, (133), 3 states have internal predecessors, (133), 3 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2022-07-23 02:49:55,088 INFO L276 IsEmpty]: Start isEmpty. Operand 71604 states and 101006 transitions. [2022-07-23 02:49:55,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 536 [2022-07-23 02:49:55,376 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:49:55,376 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 33, 33, 33, 33, 33, 33, 7, 7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:49:55,376 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-23 02:49:55,376 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:49:55,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:49:55,377 INFO L85 PathProgramCache]: Analyzing trace with hash 243195394, now seen corresponding path program 1 times [2022-07-23 02:49:55,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:49:55,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218844840] [2022-07-23 02:49:55,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:49:55,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:49:55,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:55,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:49:55,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:55,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:55,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:55,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:49:55,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:55,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:55,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:55,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:49:55,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:55,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:55,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:55,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:49:55,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:55,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:55,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:55,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:49:55,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:55,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:55,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:55,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:49:55,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:55,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:55,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:55,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:49:55,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:55,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:55,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:55,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:49:55,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:55,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:55,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:55,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 02:49:55,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:55,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:55,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:55,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 02:49:55,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:55,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:55,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:55,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 02:49:55,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:55,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:55,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:55,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 02:49:55,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:55,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:55,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:55,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 02:49:55,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:55,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:55,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:55,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 02:49:55,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:55,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:55,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:55,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 02:49:55,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:55,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:55,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:55,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 02:49:55,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:55,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:55,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:55,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 02:49:55,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:55,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:55,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:55,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 02:49:55,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:55,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:55,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:55,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-23 02:49:55,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:55,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:55,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:55,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-23 02:49:55,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:55,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:55,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:55,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-23 02:49:55,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:55,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:55,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:55,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-23 02:49:55,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:55,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:55,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:55,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-23 02:49:55,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:55,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:55,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:55,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 02:49:55,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:55,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:56,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:56,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-23 02:49:56,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:56,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:56,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:56,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-23 02:49:56,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:56,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:56,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:56,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-23 02:49:56,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:56,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:56,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:56,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-23 02:49:56,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:56,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:56,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:56,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-23 02:49:56,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:56,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:56,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:56,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-23 02:49:56,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:56,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:56,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:56,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-23 02:49:56,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:56,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:56,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:56,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-23 02:49:56,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:56,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:56,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:56,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-23 02:49:56,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:56,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-23 02:49:56,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:56,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-23 02:49:56,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:56,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:56,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:56,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-23 02:49:56,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:56,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-23 02:49:56,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:56,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-23 02:49:56,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:56,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:56,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:56,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-07-23 02:49:56,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:56,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-07-23 02:49:56,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:56,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2022-07-23 02:49:56,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:56,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-07-23 02:49:56,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:56,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2022-07-23 02:49:56,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:56,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2022-07-23 02:49:56,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:56,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2022-07-23 02:49:56,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:56,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2022-07-23 02:49:56,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:56,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:49:56,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:56,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:49:56,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:56,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:49:56,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:56,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2022-07-23 02:49:56,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:56,245 INFO L134 CoverageAnalysis]: Checked inductivity of 5635 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5624 trivial. 0 not checked. [2022-07-23 02:49:56,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:49:56,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218844840] [2022-07-23 02:49:56,245 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218844840] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:49:56,246 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:49:56,246 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 02:49:56,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42801510] [2022-07-23 02:49:56,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:49:56,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 02:49:56,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:49:56,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 02:49:56,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 02:49:56,248 INFO L87 Difference]: Start difference. First operand 71604 states and 101006 transitions. Second operand has 4 states, 4 states have (on average 31.0) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2022-07-23 02:50:10,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:50:10,852 INFO L93 Difference]: Finished difference Result 182001 states and 258550 transitions. [2022-07-23 02:50:10,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 02:50:10,854 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) Word has length 535 [2022-07-23 02:50:10,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:50:11,675 INFO L225 Difference]: With dead ends: 182001 [2022-07-23 02:50:11,675 INFO L226 Difference]: Without dead ends: 114213 [2022-07-23 02:50:11,907 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:50:11,908 INFO L413 NwaCegarLoop]: 11336 mSDtfsCounter, 6337 mSDsluCounter, 8369 mSDsCounter, 0 mSdLazyCounter, 5304 mSolverCounterSat, 2835 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7460 SdHoareTripleChecker+Valid, 19705 SdHoareTripleChecker+Invalid, 8139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2835 IncrementalHoareTripleChecker+Valid, 5304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2022-07-23 02:50:11,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7460 Valid, 19705 Invalid, 8139 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2835 Valid, 5304 Invalid, 0 Unknown, 0 Unchecked, 10.2s Time] [2022-07-23 02:50:12,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114213 states. [2022-07-23 02:50:15,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114213 to 107034. [2022-07-23 02:50:15,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107034 states, 72809 states have (on average 1.2825337526954086) internal successors, (93380), 74771 states have internal predecessors, (93380), 28785 states have call successors, (28785), 5439 states have call predecessors, (28785), 5439 states have return successors, (28785), 28110 states have call predecessors, (28785), 28785 states have call successors, (28785) [2022-07-23 02:50:16,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107034 states to 107034 states and 150950 transitions. [2022-07-23 02:50:16,633 INFO L78 Accepts]: Start accepts. Automaton has 107034 states and 150950 transitions. Word has length 535 [2022-07-23 02:50:16,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:50:16,634 INFO L495 AbstractCegarLoop]: Abstraction has 107034 states and 150950 transitions. [2022-07-23 02:50:16,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2022-07-23 02:50:16,634 INFO L276 IsEmpty]: Start isEmpty. Operand 107034 states and 150950 transitions. [2022-07-23 02:50:16,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 559 [2022-07-23 02:50:16,708 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:50:16,708 INFO L195 NwaCegarLoop]: trace histogram [39, 39, 33, 33, 33, 33, 33, 33, 9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:50:16,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-23 02:50:16,709 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:50:16,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:50:16,709 INFO L85 PathProgramCache]: Analyzing trace with hash -1864831137, now seen corresponding path program 1 times [2022-07-23 02:50:16,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:50:16,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130063757] [2022-07-23 02:50:16,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:50:16,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:50:16,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:50:17,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:50:17,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:50:17,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:50:17,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:50:17,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:50:17,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:50:17,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:50:17,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:50:17,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:50:17,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:50:17,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:50:17,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:50:17,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:50:17,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:50:17,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:50:17,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 02:50:17,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:50:17,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 02:50:17,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:50:17,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 02:50:17,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:50:17,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 02:50:17,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:50:17,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 02:50:17,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:50:17,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 02:50:17,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:50:17,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 02:50:17,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:50:17,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 02:50:17,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:50:17,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 02:50:17,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:50:17,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 02:50:17,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:50:17,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-23 02:50:17,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:50:17,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-23 02:50:17,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:50:17,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-23 02:50:17,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:50:17,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-23 02:50:17,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:50:17,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-23 02:50:17,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:50:17,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 02:50:17,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:50:17,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-23 02:50:17,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:50:17,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-23 02:50:17,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:50:17,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-23 02:50:17,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:50:17,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-23 02:50:17,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:50:17,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-23 02:50:17,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:50:17,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-23 02:50:17,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:50:17,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-23 02:50:17,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:50:17,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-23 02:50:17,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:50:17,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-23 02:50:17,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-23 02:50:17,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-23 02:50:17,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:50:17,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-23 02:50:17,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-23 02:50:17,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-07-23 02:50:17,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2022-07-23 02:50:17,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:50:17,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-07-23 02:50:17,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2022-07-23 02:50:17,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2022-07-23 02:50:17,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:50:17,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:50:17,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:50:17,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2022-07-23 02:50:17,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:50:17,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:50:17,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:50:17,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2022-07-23 02:50:17,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-07-23 02:50:17,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2022-07-23 02:50:17,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2022-07-23 02:50:17,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:17,740 INFO L134 CoverageAnalysis]: Checked inductivity of 5575 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 5549 trivial. 0 not checked. [2022-07-23 02:50:17,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:50:17,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130063757] [2022-07-23 02:50:17,740 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130063757] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:50:17,740 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:50:17,740 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 02:50:17,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121737373] [2022-07-23 02:50:17,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:50:17,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 02:50:17,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:50:17,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 02:50:17,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 02:50:17,742 INFO L87 Difference]: Start difference. First operand 107034 states and 150950 transitions. Second operand has 4 states, 4 states have (on average 37.0) internal successors, (148), 3 states have internal predecessors, (148), 3 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2022-07-23 02:50:32,446 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:50:35,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:50:35,597 INFO L93 Difference]: Finished difference Result 253980 states and 360568 transitions. [2022-07-23 02:50:35,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 02:50:35,599 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.0) internal successors, (148), 3 states have internal predecessors, (148), 3 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) Word has length 558 [2022-07-23 02:50:35,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:50:36,694 INFO L225 Difference]: With dead ends: 253980 [2022-07-23 02:50:36,694 INFO L226 Difference]: Without dead ends: 146761 [2022-07-23 02:50:37,078 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:50:37,078 INFO L413 NwaCegarLoop]: 10831 mSDtfsCounter, 5918 mSDsluCounter, 8088 mSDsCounter, 0 mSdLazyCounter, 5205 mSolverCounterSat, 2791 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6966 SdHoareTripleChecker+Valid, 18919 SdHoareTripleChecker+Invalid, 7997 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2791 IncrementalHoareTripleChecker+Valid, 5205 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.7s IncrementalHoareTripleChecker+Time [2022-07-23 02:50:37,079 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6966 Valid, 18919 Invalid, 7997 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2791 Valid, 5205 Invalid, 1 Unknown, 0 Unchecked, 11.7s Time] [2022-07-23 02:50:37,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146761 states. [2022-07-23 02:50:42,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146761 to 137475. [2022-07-23 02:50:42,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137475 states, 93506 states have (on average 1.282281350929352) internal successors, (119901), 96019 states have internal predecessors, (119901), 36963 states have call successors, (36963), 7013 states have call predecessors, (36963), 7005 states have return successors, (36963), 36089 states have call predecessors, (36963), 36963 states have call successors, (36963) [2022-07-23 02:50:43,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137475 states to 137475 states and 193827 transitions. [2022-07-23 02:50:43,265 INFO L78 Accepts]: Start accepts. Automaton has 137475 states and 193827 transitions. Word has length 558 [2022-07-23 02:50:43,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:50:43,266 INFO L495 AbstractCegarLoop]: Abstraction has 137475 states and 193827 transitions. [2022-07-23 02:50:43,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.0) internal successors, (148), 3 states have internal predecessors, (148), 3 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2022-07-23 02:50:43,266 INFO L276 IsEmpty]: Start isEmpty. Operand 137475 states and 193827 transitions. [2022-07-23 02:50:43,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 559 [2022-07-23 02:50:43,365 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:50:43,366 INFO L195 NwaCegarLoop]: trace histogram [39, 39, 33, 33, 33, 33, 33, 33, 9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:50:43,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-23 02:50:43,366 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:50:43,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:50:43,366 INFO L85 PathProgramCache]: Analyzing trace with hash 2077047777, now seen corresponding path program 1 times [2022-07-23 02:50:43,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:50:43,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614437639] [2022-07-23 02:50:43,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:50:43,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:50:43,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat