./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 f4b24e32 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-?-f4b24e3 [2022-07-14 03:11:11,314 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 03:11:11,315 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 03:11:11,352 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 03:11:11,352 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 03:11:11,353 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 03:11:11,355 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 03:11:11,356 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 03:11:11,357 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 03:11:11,358 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 03:11:11,359 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 03:11:11,360 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 03:11:11,360 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 03:11:11,361 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 03:11:11,362 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 03:11:11,363 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 03:11:11,364 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 03:11:11,365 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 03:11:11,366 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 03:11:11,368 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 03:11:11,369 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 03:11:11,370 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 03:11:11,371 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 03:11:11,372 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 03:11:11,372 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 03:11:11,375 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 03:11:11,375 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 03:11:11,376 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 03:11:11,376 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 03:11:11,377 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 03:11:11,378 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 03:11:11,378 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 03:11:11,379 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 03:11:11,379 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 03:11:11,380 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 03:11:11,381 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 03:11:11,381 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 03:11:11,382 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 03:11:11,382 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 03:11:11,382 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 03:11:11,384 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 03:11:11,390 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 03:11:11,391 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 03:11:11,412 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 03:11:11,419 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 03:11:11,419 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 03:11:11,419 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 03:11:11,420 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 03:11:11,420 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 03:11:11,421 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 03:11:11,421 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 03:11:11,421 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 03:11:11,422 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 03:11:11,422 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 03:11:11,422 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 03:11:11,422 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 03:11:11,423 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 03:11:11,423 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 03:11:11,423 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 03:11:11,423 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 03:11:11,423 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 03:11:11,424 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 03:11:11,424 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 03:11:11,424 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 03:11:11,424 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 03:11:11,425 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 03:11:11,425 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 03:11:11,425 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 03:11:11,425 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 03:11:11,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 03:11:11,426 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 03:11:11,426 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 03:11:11,426 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 03:11:11,426 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 444a46b967cbf28ff66594f7c2b86075c66a3ec06686446169e50e8f0716b901 [2022-07-14 03:11:11,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 03:11:11,673 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 03:11:11,675 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 03:11:11,676 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 03:11:11,677 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 03:11:11,678 INFO L432 ainManager$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 [2022-07-14 03:11:11,746 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f2489516/e35d4f18e565477e9772980dc4676a04/FLAGfe6cecfcc [2022-07-14 03:11:12,590 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 03:11:12,591 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 [2022-07-14 03:11:12,663 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f2489516/e35d4f18e565477e9772980dc4676a04/FLAGfe6cecfcc [2022-07-14 03:11:13,012 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f2489516/e35d4f18e565477e9772980dc4676a04 [2022-07-14 03:11:13,015 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 03:11:13,016 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 03:11:13,018 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 03:11:13,018 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 03:11:13,021 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 03:11:13,022 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:11:13" (1/1) ... [2022-07-14 03:11:13,023 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e13db95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:11:13, skipping insertion in model container [2022-07-14 03:11:13,023 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:11:13" (1/1) ... [2022-07-14 03:11:13,029 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 03:11:13,193 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 03:11:18,244 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] [2022-07-14 03:11:18,247 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] [2022-07-14 03:11:18,248 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] [2022-07-14 03:11:18,248 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] [2022-07-14 03:11:18,307 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 03:11:18,385 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 03:11:18,992 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] [2022-07-14 03:11:18,993 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] [2022-07-14 03:11:18,993 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] [2022-07-14 03:11:18,993 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] [2022-07-14 03:11:19,001 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 03:11:19,403 INFO L208 MainTranslator]: Completed translation [2022-07-14 03:11:19,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:11:19 WrapperNode [2022-07-14 03:11:19,404 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 03:11:19,405 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 03:11:19,405 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 03:11:19,406 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 03:11:19,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:11:19" (1/1) ... [2022-07-14 03:11:19,594 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:11:19" (1/1) ... [2022-07-14 03:11:19,873 INFO L137 Inliner]: procedures = 710, calls = 5470, calls flagged for inlining = 409, calls inlined = 365, statements flattened = 11651 [2022-07-14 03:11:19,874 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 03:11:19,875 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 03:11:19,875 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 03:11:19,875 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 03:11:19,883 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:11:19" (1/1) ... [2022-07-14 03:11:19,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:11:19" (1/1) ... [2022-07-14 03:11:19,946 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:11:19" (1/1) ... [2022-07-14 03:11:19,947 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:11:19" (1/1) ... [2022-07-14 03:11:20,229 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:11:19" (1/1) ... [2022-07-14 03:11:20,272 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:11:19" (1/1) ... [2022-07-14 03:11:20,353 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:11:19" (1/1) ... [2022-07-14 03:11:20,421 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 03:11:20,423 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 03:11:20,423 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 03:11:20,424 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 03:11:20,426 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:11:19" (1/1) ... [2022-07-14 03:11:20,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 03:11:20,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 03:11:20,456 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) [2022-07-14 03:11:20,485 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 [2022-07-14 03:11:20,502 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-14 03:11:20,502 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-14 03:11:20,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 03:11:20,503 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 03:11:20,503 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-07-14 03:11:20,503 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-07-14 03:11:20,503 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-14 03:11:20,503 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-14 03:11:20,503 INFO L130 BoogieDeclarations]: Found specification of procedure get_stats32 [2022-07-14 03:11:20,504 INFO L138 BoogieDeclarations]: Found implementation of procedure get_stats32 [2022-07-14 03:11:20,504 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_remove [2022-07-14 03:11:20,504 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_remove [2022-07-14 03:11:20,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 03:11:20,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 03:11:20,504 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_led [2022-07-14 03:11:20,504 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_led [2022-07-14 03:11:20,505 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_alloc_rx_skbs [2022-07-14 03:11:20,505 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_alloc_rx_skbs [2022-07-14 03:11:20,505 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-14 03:11:20,505 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-14 03:11:20,505 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_supported_modes [2022-07-14 03:11:20,505 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_supported_modes [2022-07-14 03:11:20,506 INFO L130 BoogieDeclarations]: Found specification of procedure rx_set_rss [2022-07-14 03:11:20,506 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_set_rss [2022-07-14 03:11:20,506 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_power_aux [2022-07-14 03:11:20,506 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_power_aux [2022-07-14 03:11:20,506 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-14 03:11:20,506 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-14 03:11:20,507 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2022-07-14 03:11:20,507 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2022-07-14 03:11:20,507 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-14 03:11:20,507 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-14 03:11:20,507 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_add_filter [2022-07-14 03:11:20,507 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_add_filter [2022-07-14 03:11:20,507 INFO L130 BoogieDeclarations]: Found specification of procedure gm_phy_read [2022-07-14 03:11:20,508 INFO L138 BoogieDeclarations]: Found implementation of procedure gm_phy_read [2022-07-14 03:11:20,508 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-14 03:11:20,508 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-14 03:11:20,508 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_alloc [2022-07-14 03:11:20,508 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_alloc [2022-07-14 03:11:20,508 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2022-07-14 03:11:20,508 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2022-07-14 03:11:20,509 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2022-07-14 03:11:20,509 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2022-07-14 03:11:20,509 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_unlock [2022-07-14 03:11:20,509 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_unlock [2022-07-14 03:11:20,509 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size_set [2022-07-14 03:11:20,509 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size_set [2022-07-14 03:11:20,509 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-14 03:11:20,510 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-14 03:11:20,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-14 03:11:20,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-14 03:11:20,510 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-14 03:11:20,510 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-14 03:11:20,510 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_show_addr [2022-07-14 03:11:20,510 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_show_addr [2022-07-14 03:11:20,511 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-14 03:11:20,511 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-14 03:11:20,511 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_close [2022-07-14 03:11:20,511 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_close [2022-07-14 03:11:20,511 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-14 03:11:20,511 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-14 03:11:20,512 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_init_netdev [2022-07-14 03:11:20,512 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_init_netdev [2022-07-14 03:11:20,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-14 03:11:20,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-14 03:11:20,512 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-14 03:11:20,512 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-14 03:11:20,512 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_start [2022-07-14 03:11:20,513 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_start [2022-07-14 03:11:20,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 03:11:20,513 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-14 03:11:20,513 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-14 03:11:20,513 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2022-07-14 03:11:20,513 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2022-07-14 03:11:20,513 INFO L130 BoogieDeclarations]: Found specification of procedure get_stats64 [2022-07-14 03:11:20,514 INFO L138 BoogieDeclarations]: Found implementation of procedure get_stats64 [2022-07-14 03:11:20,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-07-14 03:11:20,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-07-14 03:11:20,514 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-14 03:11:20,514 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-14 03:11:20,514 INFO L130 BoogieDeclarations]: Found specification of procedure netif_schedule_queue [2022-07-14 03:11:20,514 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_schedule_queue [2022-07-14 03:11:20,514 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_get_regs_len [2022-07-14 03:11:20,515 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_get_regs_len [2022-07-14 03:11:20,515 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-14 03:11:20,515 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-14 03:11:20,515 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-14 03:11:20,515 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-14 03:11:20,515 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_update [2022-07-14 03:11:20,515 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_update [2022-07-14 03:11:20,516 INFO L130 BoogieDeclarations]: Found specification of procedure pci_is_pcie [2022-07-14 03:11:20,516 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_is_pcie [2022-07-14 03:11:20,516 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-14 03:11:20,516 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-14 03:11:20,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-14 03:11:20,516 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-14 03:11:20,516 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-14 03:11:20,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-07-14 03:11:20,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-07-14 03:11:20,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-14 03:11:20,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-14 03:11:20,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-14 03:11:20,517 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_ramset [2022-07-14 03:11:20,517 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_ramset [2022-07-14 03:11:20,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-14 03:11:20,518 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-14 03:11:20,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-14 03:11:20,518 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_update_features [2022-07-14 03:11:20,518 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_update_features [2022-07-14 03:11:20,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 03:11:20,518 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 03:11:20,519 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_netpoll [2022-07-14 03:11:20,519 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_netpoll [2022-07-14 03:11:20,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-14 03:11:20,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-14 03:11:20,519 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-14 03:11:20,519 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-14 03:11:20,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-14 03:11:20,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-14 03:11:20,520 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_hw_up [2022-07-14 03:11:20,520 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_hw_up [2022-07-14 03:11:20,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-14 03:11:20,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-14 03:11:20,520 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2022-07-14 03:11:20,520 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2022-07-14 03:11:20,521 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-07-14 03:11:20,521 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-07-14 03:11:20,523 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2022-07-14 03:11:20,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2022-07-14 03:11:20,523 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-14 03:11:20,524 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-14 03:11:20,524 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_tx_unmap [2022-07-14 03:11:20,524 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_tx_unmap [2022-07-14 03:11:20,524 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-14 03:11:20,524 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-14 03:11:20,524 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_lock [2022-07-14 03:11:20,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_lock [2022-07-14 03:11:20,525 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-07-14 03:11:20,525 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-07-14 03:11:20,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 03:11:20,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-14 03:11:20,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-14 03:11:20,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-14 03:11:20,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-14 03:11:20,526 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_add [2022-07-14 03:11:20,526 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_add [2022-07-14 03:11:20,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2022-07-14 03:11:20,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2022-07-14 03:11:20,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-14 03:11:20,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-14 03:11:20,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2022-07-14 03:11:20,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2022-07-14 03:11:20,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2022-07-14 03:11:20,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2022-07-14 03:11:20,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-07-14 03:11:20,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-07-14 03:11:20,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 03:11:20,527 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_map_skb [2022-07-14 03:11:20,528 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_map_skb [2022-07-14 03:11:20,528 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_resume [2022-07-14 03:11:20,528 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_resume [2022-07-14 03:11:20,528 INFO L130 BoogieDeclarations]: Found specification of procedure roundup_ring_size [2022-07-14 03:11:20,528 INFO L138 BoogieDeclarations]: Found implementation of procedure roundup_ring_size [2022-07-14 03:11:20,528 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_put_idx [2022-07-14 03:11:20,528 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_put_idx [2022-07-14 03:11:20,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-14 03:11:20,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-14 03:11:20,529 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-14 03:11:20,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-14 03:11:20,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 03:11:20,529 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-14 03:11:20,529 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 03:11:20,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 03:11:20,529 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_dma_map [2022-07-14 03:11:20,530 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_dma_map [2022-07-14 03:11:20,530 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-14 03:11:20,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-14 03:11:20,530 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_read32 [2022-07-14 03:11:20,530 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_read32 [2022-07-14 03:11:20,530 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-14 03:11:20,530 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-14 03:11:20,531 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_phy_power_up [2022-07-14 03:11:20,531 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_phy_power_up [2022-07-14 03:11:20,531 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_phy_init [2022-07-14 03:11:20,531 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_phy_init [2022-07-14 03:11:20,531 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_disable [2022-07-14 03:11:20,531 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_disable [2022-07-14 03:11:20,531 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_clean [2022-07-14 03:11:20,531 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_clean [2022-07-14 03:11:20,532 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-14 03:11:20,532 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-14 03:11:20,532 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-07-14 03:11:20,532 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-07-14 03:11:20,532 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-14 03:11:20,532 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-14 03:11:20,532 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_tx_complete [2022-07-14 03:11:20,532 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_tx_complete [2022-07-14 03:11:20,533 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_hw_down [2022-07-14 03:11:20,533 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_hw_down [2022-07-14 03:11:20,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-14 03:11:20,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-14 03:11:20,533 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_phy_reinit [2022-07-14 03:11:20,533 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_phy_reinit [2022-07-14 03:11:20,533 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_bh [2022-07-14 03:11:20,533 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_bh [2022-07-14 03:11:20,534 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-07-14 03:11:20,534 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-07-14 03:11:20,534 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-14 03:11:20,534 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-14 03:11:20,534 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_read16 [2022-07-14 03:11:20,534 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_read16 [2022-07-14 03:11:20,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 03:11:20,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 03:11:20,535 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_write16 [2022-07-14 03:11:20,535 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_write16 [2022-07-14 03:11:20,535 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-14 03:11:20,535 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-14 03:11:20,535 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-14 03:11:20,535 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-14 03:11:20,535 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_free_buffers [2022-07-14 03:11:20,536 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_free_buffers [2022-07-14 03:11:20,536 INFO L130 BoogieDeclarations]: Found specification of procedure gma_read16 [2022-07-14 03:11:20,536 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_read16 [2022-07-14 03:11:20,536 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-14 03:11:20,536 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-14 03:11:20,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 03:11:20,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 03:11:20,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 03:11:20,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 03:11:20,537 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_all_up [2022-07-14 03:11:20,537 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_all_up [2022-07-14 03:11:20,537 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-14 03:11:20,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-14 03:11:20,538 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-07-14 03:11:20,538 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-07-14 03:11:20,538 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2022-07-14 03:11:20,538 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2022-07-14 03:11:20,538 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_tx_timeout [2022-07-14 03:11:20,538 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_tx_timeout [2022-07-14 03:11:20,538 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-14 03:11:20,540 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-14 03:11:20,540 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_wol_supported [2022-07-14 03:11:20,541 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_wol_supported [2022-07-14 03:11:20,541 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-14 03:11:20,541 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-14 03:11:20,542 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_write32 [2022-07-14 03:11:20,542 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_write32 [2022-07-14 03:11:20,542 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_read32 [2022-07-14 03:11:20,542 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_read32 [2022-07-14 03:11:20,547 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-07-14 03:11:20,548 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-07-14 03:11:20,548 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-07-14 03:11:20,548 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_submit [2022-07-14 03:11:20,548 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_submit [2022-07-14 03:11:20,548 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-07-14 03:11:20,548 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-07-14 03:11:20,548 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-14 03:11:20,549 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-14 03:11:20,549 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_vlan_mode [2022-07-14 03:11:20,549 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_vlan_mode [2022-07-14 03:11:20,549 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_set_multicast [2022-07-14 03:11:20,549 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_set_multicast [2022-07-14 03:11:20,549 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_read8 [2022-07-14 03:11:20,549 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_read8 [2022-07-14 03:11:20,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-14 03:11:20,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-14 03:11:20,550 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2022-07-14 03:11:20,550 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2022-07-14 03:11:20,550 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_prefetch_init [2022-07-14 03:11:20,550 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_prefetch_init [2022-07-14 03:11:20,550 INFO L130 BoogieDeclarations]: Found specification of procedure gma_read32 [2022-07-14 03:11:20,550 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_read32 [2022-07-14 03:11:20,550 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_reset [2022-07-14 03:11:20,550 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_reset [2022-07-14 03:11:20,551 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-14 03:11:20,551 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-14 03:11:20,551 INFO L130 BoogieDeclarations]: Found specification of procedure gma_set_addr [2022-07-14 03:11:20,551 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_set_addr [2022-07-14 03:11:20,551 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-07-14 03:11:20,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-07-14 03:11:20,551 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-07-14 03:11:20,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-07-14 03:11:20,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 03:11:20,552 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 03:11:20,552 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-07-14 03:11:20,552 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-07-14 03:11:20,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-07-14 03:11:20,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-07-14 03:11:20,552 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-14 03:11:20,552 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-14 03:11:20,553 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_vpd_wait [2022-07-14 03:11:20,553 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_vpd_wait [2022-07-14 03:11:20,553 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-07-14 03:11:20,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-07-14 03:11:20,553 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-14 03:11:20,553 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-14 03:11:20,553 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_shutdown [2022-07-14 03:11:20,553 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_shutdown [2022-07-14 03:11:20,553 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_read16 [2022-07-14 03:11:20,554 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_read16 [2022-07-14 03:11:20,554 INFO L130 BoogieDeclarations]: Found specification of procedure get_tx_le [2022-07-14 03:11:20,554 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tx_le [2022-07-14 03:11:20,554 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_stop [2022-07-14 03:11:20,554 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_stop [2022-07-14 03:11:20,554 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-14 03:11:20,554 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-14 03:11:20,554 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-14 03:11:20,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-14 03:11:20,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 03:11:20,555 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-14 03:11:20,555 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-14 03:11:20,555 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-14 03:11:20,555 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-14 03:11:20,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2022-07-14 03:11:20,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2022-07-14 03:11:20,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 03:11:20,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 03:11:20,556 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_nway_reset [2022-07-14 03:11:20,556 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_nway_reset [2022-07-14 03:11:20,556 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-14 03:11:20,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-14 03:11:20,556 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-07-14 03:11:20,556 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-07-14 03:11:20,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-07-14 03:11:20,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-07-14 03:11:20,557 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_all_down [2022-07-14 03:11:20,557 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_all_down [2022-07-14 03:11:20,557 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-14 03:11:20,557 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-14 03:11:20,557 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-14 03:11:20,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-14 03:11:20,557 INFO L130 BoogieDeclarations]: Found specification of procedure __gm_phy_read [2022-07-14 03:11:20,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __gm_phy_read [2022-07-14 03:11:20,558 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-14 03:11:20,558 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-14 03:11:20,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-07-14 03:11:20,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-07-14 03:11:20,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-14 03:11:20,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-14 03:11:20,558 INFO L130 BoogieDeclarations]: Found specification of procedure tx_avail [2022-07-14 03:11:20,558 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_avail [2022-07-14 03:11:20,559 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_unmap_skb [2022-07-14 03:11:20,559 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_unmap_skb [2022-07-14 03:11:20,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-07-14 03:11:20,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-07-14 03:11:20,559 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_capability [2022-07-14 03:11:20,559 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_capability [2022-07-14 03:11:20,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-14 03:11:20,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-14 03:11:20,560 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_clk2us [2022-07-14 03:11:20,560 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_clk2us [2022-07-14 03:11:20,560 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_set_tx_stfwd [2022-07-14 03:11:20,560 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_set_tx_stfwd [2022-07-14 03:11:20,560 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_enable_rx_tx [2022-07-14 03:11:20,560 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_enable_rx_tx [2022-07-14 03:11:20,560 INFO L130 BoogieDeclarations]: Found specification of procedure gma_write16 [2022-07-14 03:11:20,560 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_write16 [2022-07-14 03:11:20,560 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-14 03:11:20,561 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-14 03:11:20,561 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_next_rx [2022-07-14 03:11:20,561 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_next_rx [2022-07-14 03:11:20,561 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-14 03:11:20,561 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-14 03:11:20,561 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-14 03:11:20,561 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-14 03:11:20,561 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2022-07-14 03:11:20,562 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2022-07-14 03:11:20,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_sky2_cleanup_module_22_2 [2022-07-14 03:11:20,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_sky2_cleanup_module_22_2 [2022-07-14 03:11:20,565 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-07-14 03:11:20,565 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-07-14 03:11:20,565 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2022-07-14 03:11:20,565 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2022-07-14 03:11:20,565 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_get_eeprom_len [2022-07-14 03:11:20,565 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_get_eeprom_len [2022-07-14 03:11:20,565 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_setup_irq [2022-07-14 03:11:20,567 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_setup_irq [2022-07-14 03:11:20,567 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-14 03:11:20,567 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-14 03:11:20,567 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 03:11:20,567 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 03:11:20,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-14 03:11:20,567 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_us2clk [2022-07-14 03:11:20,567 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_us2clk [2022-07-14 03:11:20,568 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-07-14 03:11:20,568 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-07-14 03:11:20,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 03:11:20,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 03:11:20,568 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-07-14 03:11:20,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-07-14 03:11:20,568 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_is_copper [2022-07-14 03:11:20,568 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_is_copper [2022-07-14 03:11:20,568 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_bh [2022-07-14 03:11:20,569 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_bh [2022-07-14 03:11:20,569 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-14 03:11:20,569 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-14 03:11:20,569 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_suspend [2022-07-14 03:11:20,569 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_suspend [2022-07-14 03:11:20,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2022-07-14 03:11:20,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2022-07-14 03:11:20,569 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-07-14 03:11:20,570 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-07-14 03:11:20,570 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-07-14 03:11:20,570 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-07-14 03:11:20,570 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_write16 [2022-07-14 03:11:20,570 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_write16 [2022-07-14 03:11:20,570 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2022-07-14 03:11:20,570 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2022-07-14 03:11:20,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-14 03:11:20,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-14 03:11:20,571 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-14 03:11:20,571 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-14 03:11:20,571 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_write8 [2022-07-14 03:11:20,571 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_write8 [2022-07-14 03:11:20,571 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-07-14 03:11:20,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-07-14 03:11:20,571 INFO L130 BoogieDeclarations]: Found specification of procedure gm_phy_write [2022-07-14 03:11:20,571 INFO L138 BoogieDeclarations]: Found implementation of procedure gm_phy_write [2022-07-14 03:11:20,572 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2022-07-14 03:11:20,572 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2022-07-14 03:11:20,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2022-07-14 03:11:20,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2022-07-14 03:11:20,572 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-14 03:11:20,572 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-14 03:11:20,572 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-14 03:11:20,572 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-14 03:11:20,573 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_write32 [2022-07-14 03:11:20,573 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_write32 [2022-07-14 03:11:20,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-14 03:11:20,573 INFO L130 BoogieDeclarations]: Found specification of procedure gma_read64 [2022-07-14 03:11:20,573 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_read64 [2022-07-14 03:11:20,573 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_qset [2022-07-14 03:11:20,573 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_qset [2022-07-14 03:11:20,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-14 03:11:20,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-14 03:11:20,574 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-07-14 03:11:20,574 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-07-14 03:11:20,574 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_open [2022-07-14 03:11:20,574 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_open [2022-07-14 03:11:20,574 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-14 03:11:20,574 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_mhz [2022-07-14 03:11:20,574 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_mhz [2022-07-14 03:11:21,837 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 03:11:21,840 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 03:11:21,934 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 03:11:34,515 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-14 03:11:41,339 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 03:11:41,377 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 03:11:41,377 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2022-07-14 03:11:41,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:11:41 BoogieIcfgContainer [2022-07-14 03:11:41,385 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 03:11:41,387 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 03:11:41,387 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 03:11:41,390 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 03:11:41,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 03:11:13" (1/3) ... [2022-07-14 03:11:41,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dd66c26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 03:11:41, skipping insertion in model container [2022-07-14 03:11:41,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:11:19" (2/3) ... [2022-07-14 03:11:41,392 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dd66c26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 03:11:41, skipping insertion in model container [2022-07-14 03:11:41,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:11:41" (3/3) ... [2022-07-14 03:11:41,393 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-marvell-sky2.cil.i [2022-07-14 03:11:41,411 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 03:11:41,412 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-07-14 03:11:41,535 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 03:11:41,539 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@5709ec9f, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@62e596f3 [2022-07-14 03:11:41,539 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-07-14 03:11:41,555 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) [2022-07-14 03:11:41,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2022-07-14 03:11:41,601 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:11:41,602 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] [2022-07-14 03:11:41,603 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] === [2022-07-14 03:11:41,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:11:41,609 INFO L85 PathProgramCache]: Analyzing trace with hash 1375877424, now seen corresponding path program 1 times [2022-07-14 03:11:41,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 03:11:41,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115699993] [2022-07-14 03:11:41,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:11:41,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 03:11:42,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:42,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 03:11:42,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:42,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:11:42,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:42,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 03:11:42,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:42,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:11:42,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:42,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 03:11:42,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:42,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:11:42,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:42,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 03:11:42,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:42,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:11:42,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:42,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 03:11:42,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:42,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:11:42,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:42,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 03:11:42,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:42,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:11:42,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:42,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 03:11:42,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:42,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:11:42,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:42,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 03:11:42,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:42,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:11:42,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:42,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 03:11:42,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:42,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:11:42,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:42,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 03:11:42,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:42,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:11:42,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:42,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 03:11:42,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:42,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:11:42,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:42,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 03:11:42,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:42,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:11:42,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:42,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 03:11:42,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:42,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:11:42,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:42,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 03:11:42,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:42,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:11:42,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:42,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 03:11:42,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:42,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:11:42,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:42,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 03:11:42,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:42,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:11:42,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:42,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 03:11:42,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:42,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:11:42,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:42,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-14 03:11:42,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:42,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:11:42,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:43,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-14 03:11:43,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:43,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:11:43,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:43,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-14 03:11:43,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:43,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:11:43,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:43,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-14 03:11:43,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:43,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:11:43,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:43,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-14 03:11:43,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:43,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:11:43,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:43,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-14 03:11:43,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:43,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:11:43,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:43,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-14 03:11:43,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:43,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:11:43,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:43,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-14 03:11:43,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:43,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:11:43,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:43,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-14 03:11:43,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:43,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:11:43,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:43,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-14 03:11:43,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:43,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:11:43,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:43,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-14 03:11:43,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:43,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:11:43,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:43,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-14 03:11:43,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:43,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:11:43,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:43,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-14 03:11:43,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:43,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:11:43,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:43,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-14 03:11:43,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:43,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:11:43,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:43,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-14 03:11:43,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:43,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:11:43,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:43,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-14 03:11:43,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:43,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2022-07-14 03:11:43,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:43,376 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2022-07-14 03:11:43,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 03:11:43,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115699993] [2022-07-14 03:11:43,378 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115699993] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:11:43,378 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:11:43,378 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 03:11:43,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950984333] [2022-07-14 03:11:43,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:11:43,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 03:11:43,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 03:11:43,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 03:11:43,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 03:11:43,420 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) [2022-07-14 03:11:56,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:11:56,388 INFO L93 Difference]: Finished difference Result 13640 states and 20140 transitions. [2022-07-14 03:11:56,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 03:11:56,397 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 [2022-07-14 03:11:56,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:11:56,485 INFO L225 Difference]: With dead ends: 13640 [2022-07-14 03:11:56,486 INFO L226 Difference]: Without dead ends: 9202 [2022-07-14 03:11:56,534 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 [2022-07-14 03:11:56,538 INFO L413 NwaCegarLoop]: 6569 mSDtfsCounter, 8047 mSDsluCounter, 6084 mSDsCounter, 0 mSdLazyCounter, 5285 mSolverCounterSat, 4100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9182 SdHoareTripleChecker+Valid, 12653 SdHoareTripleChecker+Invalid, 9385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4100 IncrementalHoareTripleChecker+Valid, 5285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.1s IncrementalHoareTripleChecker+Time [2022-07-14 03:11:56,538 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9182 Valid, 12653 Invalid, 9385 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4100 Valid, 5285 Invalid, 0 Unknown, 0 Unchecked, 12.1s Time] [2022-07-14 03:11:56,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9202 states. [2022-07-14 03:11:57,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9202 to 8662. [2022-07-14 03:11:57,051 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) [2022-07-14 03:11:57,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8662 states to 8662 states and 12270 transitions. [2022-07-14 03:11:57,297 INFO L78 Accepts]: Start accepts. Automaton has 8662 states and 12270 transitions. Word has length 381 [2022-07-14 03:11:57,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:11:57,302 INFO L495 AbstractCegarLoop]: Abstraction has 8662 states and 12270 transitions. [2022-07-14 03:11:57,302 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) [2022-07-14 03:11:57,303 INFO L276 IsEmpty]: Start isEmpty. Operand 8662 states and 12270 transitions. [2022-07-14 03:11:57,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2022-07-14 03:11:57,318 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:11:57,319 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] [2022-07-14 03:11:57,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-14 03:11:57,320 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] === [2022-07-14 03:11:57,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:11:57,328 INFO L85 PathProgramCache]: Analyzing trace with hash 974152498, now seen corresponding path program 1 times [2022-07-14 03:11:57,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 03:11:57,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380247722] [2022-07-14 03:11:57,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:11:57,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 03:11:57,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:57,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 03:11:57,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:57,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:11:57,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:57,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 03:11:57,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:57,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:11:57,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:57,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 03:11:57,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:57,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:11:57,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:57,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 03:11:57,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:57,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:11:57,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:57,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 03:11:57,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:57,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:11:57,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:57,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 03:11:57,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:57,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:11:57,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:57,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 03:11:57,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:57,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:11:57,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:57,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 03:11:57,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:57,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:11:57,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:57,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 03:11:57,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:57,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:11:57,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:57,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 03:11:57,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:57,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:11:57,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:57,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 03:11:57,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:57,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:11:57,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:57,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 03:11:57,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:57,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:11:57,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:57,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 03:11:57,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:57,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:11:57,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:57,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 03:11:57,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:57,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:11:57,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:57,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 03:11:57,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:58,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:11:58,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:58,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 03:11:58,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:58,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:11:58,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:58,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 03:11:58,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:58,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:11:58,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:58,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-14 03:11:58,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:58,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:11:58,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:58,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-14 03:11:58,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:58,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:11:58,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:58,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-14 03:11:58,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:58,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:11:58,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:58,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-14 03:11:58,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:58,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:11:58,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:58,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-14 03:11:58,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:58,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:11:58,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:58,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-14 03:11:58,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:58,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:11:58,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:58,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-14 03:11:58,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:58,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:11:58,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:58,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-14 03:11:58,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:58,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:11:58,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:58,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-14 03:11:58,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:58,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:11:58,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:58,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-14 03:11:58,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:58,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:11:58,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:58,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-14 03:11:58,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:58,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:11:58,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:58,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-14 03:11:58,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:58,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:11:58,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:58,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-14 03:11:58,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:58,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:11:58,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:58,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-14 03:11:58,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:58,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:11:58,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:58,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-14 03:11:58,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:58,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:11:58,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:58,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-14 03:11:58,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:58,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-07-14 03:11:58,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:58,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-07-14 03:11:58,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:58,386 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2022-07-14 03:11:58,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 03:11:58,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380247722] [2022-07-14 03:11:58,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380247722] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:11:58,389 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:11:58,389 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 03:11:58,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585585484] [2022-07-14 03:11:58,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:11:58,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 03:11:58,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 03:11:58,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 03:11:58,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 03:11:58,393 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) [2022-07-14 03:12:11,043 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 [] [2022-07-14 03:12:12,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:12:12,330 INFO L93 Difference]: Finished difference Result 21627 states and 30828 transitions. [2022-07-14 03:12:12,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 03:12:12,331 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 [2022-07-14 03:12:12,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:12:12,427 INFO L225 Difference]: With dead ends: 21627 [2022-07-14 03:12:12,428 INFO L226 Difference]: Without dead ends: 13034 [2022-07-14 03:12:12,470 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 [2022-07-14 03:12:12,472 INFO L413 NwaCegarLoop]: 6503 mSDtfsCounter, 7535 mSDsluCounter, 6106 mSDsCounter, 0 mSdLazyCounter, 5214 mSolverCounterSat, 3980 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8586 SdHoareTripleChecker+Valid, 12609 SdHoareTripleChecker+Invalid, 9195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3980 IncrementalHoareTripleChecker+Valid, 5214 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.2s IncrementalHoareTripleChecker+Time [2022-07-14 03:12:12,472 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8586 Valid, 12609 Invalid, 9195 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3980 Valid, 5214 Invalid, 1 Unknown, 0 Unchecked, 13.2s Time] [2022-07-14 03:12:12,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13034 states. [2022-07-14 03:12:12,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13034 to 12228. [2022-07-14 03:12:12,964 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) [2022-07-14 03:12:13,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12228 states to 12228 states and 17265 transitions. [2022-07-14 03:12:13,036 INFO L78 Accepts]: Start accepts. Automaton has 12228 states and 17265 transitions. Word has length 402 [2022-07-14 03:12:13,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:12:13,038 INFO L495 AbstractCegarLoop]: Abstraction has 12228 states and 17265 transitions. [2022-07-14 03:12:13,038 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) [2022-07-14 03:12:13,039 INFO L276 IsEmpty]: Start isEmpty. Operand 12228 states and 17265 transitions. [2022-07-14 03:12:13,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2022-07-14 03:12:13,051 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:12:13,051 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] [2022-07-14 03:12:13,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-14 03:12:13,052 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] === [2022-07-14 03:12:13,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:12:13,052 INFO L85 PathProgramCache]: Analyzing trace with hash -1668387570, now seen corresponding path program 1 times [2022-07-14 03:12:13,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 03:12:13,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794601802] [2022-07-14 03:12:13,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:12:13,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 03:12:13,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:13,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 03:12:13,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:13,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:13,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:13,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 03:12:13,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:13,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:13,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:13,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 03:12:13,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:13,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:13,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:13,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 03:12:13,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:13,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:13,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:13,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 03:12:13,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:13,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:13,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:13,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 03:12:13,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:13,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:13,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:13,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 03:12:13,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:13,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:13,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:13,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 03:12:13,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:13,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:13,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:13,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 03:12:13,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:13,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:13,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:13,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 03:12:13,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:13,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:13,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:13,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 03:12:13,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:13,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:13,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:13,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 03:12:13,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:13,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:13,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:13,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 03:12:13,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:13,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:13,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:13,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 03:12:13,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:13,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:13,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:13,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 03:12:13,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:13,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:13,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:13,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 03:12:13,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:13,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:13,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:13,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 03:12:13,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:13,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:13,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:13,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-14 03:12:13,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:13,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:13,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:13,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-14 03:12:13,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:13,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:13,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:13,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-14 03:12:13,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:13,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:13,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:13,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-14 03:12:13,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:13,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:13,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:13,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-14 03:12:13,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:13,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:13,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:13,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-14 03:12:13,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:13,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:13,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:13,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-14 03:12:13,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:13,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:13,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:13,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-14 03:12:13,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:13,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:13,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:13,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-14 03:12:13,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:13,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:13,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:13,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-14 03:12:13,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:13,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:13,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:13,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-14 03:12:13,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:13,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:13,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:13,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-14 03:12:13,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:13,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:13,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:13,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-14 03:12:13,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:13,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:13,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:13,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-14 03:12:13,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:13,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:13,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:13,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-14 03:12:13,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:13,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:13,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:14,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-14 03:12:14,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:14,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-07-14 03:12:14,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:14,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:14,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:14,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:12:14,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:14,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:12:14,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:14,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-07-14 03:12:14,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:14,082 INFO L134 CoverageAnalysis]: Checked inductivity of 4564 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4564 trivial. 0 not checked. [2022-07-14 03:12:14,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 03:12:14,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794601802] [2022-07-14 03:12:14,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794601802] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:12:14,083 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:12:14,083 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 03:12:14,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656012085] [2022-07-14 03:12:14,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:12:14,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 03:12:14,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 03:12:14,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 03:12:14,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 03:12:14,086 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) [2022-07-14 03:12:25,577 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 [] [2022-07-14 03:12:26,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:12:26,929 INFO L93 Difference]: Finished difference Result 33833 states and 48121 transitions. [2022-07-14 03:12:26,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 03:12:26,929 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 [2022-07-14 03:12:26,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:12:27,069 INFO L225 Difference]: With dead ends: 33833 [2022-07-14 03:12:27,069 INFO L226 Difference]: Without dead ends: 21674 [2022-07-14 03:12:27,128 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 [2022-07-14 03:12:27,132 INFO L413 NwaCegarLoop]: 6544 mSDtfsCounter, 7989 mSDsluCounter, 6102 mSDsCounter, 0 mSdLazyCounter, 5299 mSolverCounterSat, 4098 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9119 SdHoareTripleChecker+Valid, 12646 SdHoareTripleChecker+Invalid, 9398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4098 IncrementalHoareTripleChecker+Valid, 5299 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2022-07-14 03:12:27,133 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9119 Valid, 12646 Invalid, 9398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4098 Valid, 5299 Invalid, 1 Unknown, 0 Unchecked, 12.0s Time] [2022-07-14 03:12:27,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21674 states. [2022-07-14 03:12:28,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21674 to 20328. [2022-07-14 03:12:28,047 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) [2022-07-14 03:12:28,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20328 states to 20328 states and 28678 transitions. [2022-07-14 03:12:28,141 INFO L78 Accepts]: Start accepts. Automaton has 20328 states and 28678 transitions. Word has length 415 [2022-07-14 03:12:28,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:12:28,142 INFO L495 AbstractCegarLoop]: Abstraction has 20328 states and 28678 transitions. [2022-07-14 03:12:28,142 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) [2022-07-14 03:12:28,143 INFO L276 IsEmpty]: Start isEmpty. Operand 20328 states and 28678 transitions. [2022-07-14 03:12:28,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2022-07-14 03:12:28,162 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:12:28,163 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] [2022-07-14 03:12:28,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-14 03:12:28,163 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] === [2022-07-14 03:12:28,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:12:28,164 INFO L85 PathProgramCache]: Analyzing trace with hash 1642271361, now seen corresponding path program 1 times [2022-07-14 03:12:28,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 03:12:28,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839590979] [2022-07-14 03:12:28,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:12:28,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 03:12:28,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:28,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 03:12:28,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:28,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:28,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:28,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 03:12:28,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:28,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:28,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:28,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 03:12:28,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:28,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:28,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:28,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 03:12:28,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:28,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:28,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:28,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 03:12:28,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:28,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:28,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:28,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 03:12:28,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:28,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:28,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:28,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 03:12:28,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:28,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:28,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:28,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 03:12:28,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:28,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:28,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:28,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 03:12:28,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:28,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:28,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:28,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 03:12:28,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:28,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:28,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:28,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 03:12:28,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:28,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:28,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:28,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 03:12:28,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:28,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:28,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:28,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 03:12:28,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:28,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:28,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:28,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 03:12:28,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:28,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:28,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:28,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 03:12:28,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:28,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:28,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:28,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 03:12:28,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:28,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:28,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:28,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 03:12:28,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:28,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:28,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:28,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-14 03:12:28,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:28,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:28,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:28,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-14 03:12:28,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:28,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:28,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:28,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-14 03:12:28,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:28,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:28,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:28,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-14 03:12:28,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:28,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:28,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:28,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-14 03:12:28,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:29,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:29,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:29,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-14 03:12:29,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:29,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:29,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:29,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-14 03:12:29,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:29,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:29,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:29,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-14 03:12:29,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:29,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:29,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:29,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-14 03:12:29,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:29,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:29,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:29,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-14 03:12:29,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:29,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:29,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:29,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-14 03:12:29,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:29,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:29,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:29,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-14 03:12:29,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:29,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:29,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:29,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-14 03:12:29,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:29,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:29,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:29,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-14 03:12:29,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:29,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:29,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:29,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-14 03:12:29,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:29,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:29,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:29,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-14 03:12:29,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:29,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-14 03:12:29,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:29,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-14 03:12:29,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:29,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:29,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:29,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-14 03:12:29,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:29,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-14 03:12:29,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:29,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-14 03:12:29,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:29,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:29,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:29,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-07-14 03:12:29,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:29,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-07-14 03:12:29,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:29,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2022-07-14 03:12:29,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:29,333 INFO L134 CoverageAnalysis]: Checked inductivity of 5202 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5190 trivial. 0 not checked. [2022-07-14 03:12:29,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 03:12:29,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839590979] [2022-07-14 03:12:29,334 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839590979] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:12:29,334 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:12:29,334 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 03:12:29,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675680875] [2022-07-14 03:12:29,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:12:29,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 03:12:29,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 03:12:29,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 03:12:29,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 03:12:29,336 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) [2022-07-14 03:12:39,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:12:39,030 INFO L93 Difference]: Finished difference Result 55294 states and 78672 transitions. [2022-07-14 03:12:39,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 03:12:39,031 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 [2022-07-14 03:12:39,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:12:39,303 INFO L225 Difference]: With dead ends: 55294 [2022-07-14 03:12:39,304 INFO L226 Difference]: Without dead ends: 38782 [2022-07-14 03:12:39,400 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 [2022-07-14 03:12:39,403 INFO L413 NwaCegarLoop]: 11001 mSDtfsCounter, 6425 mSDsluCounter, 8154 mSDsCounter, 0 mSdLazyCounter, 5303 mSolverCounterSat, 2935 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7547 SdHoareTripleChecker+Valid, 19155 SdHoareTripleChecker+Invalid, 8238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2935 IncrementalHoareTripleChecker+Valid, 5303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2022-07-14 03:12:39,404 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7547 Valid, 19155 Invalid, 8238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2935 Valid, 5303 Invalid, 0 Unknown, 0 Unchecked, 8.7s Time] [2022-07-14 03:12:39,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38782 states. [2022-07-14 03:12:41,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38782 to 36383. [2022-07-14 03:12:41,180 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) [2022-07-14 03:12:41,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36383 states to 36383 states and 51347 transitions. [2022-07-14 03:12:41,386 INFO L78 Accepts]: Start accepts. Automaton has 36383 states and 51347 transitions. Word has length 453 [2022-07-14 03:12:41,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:12:41,388 INFO L495 AbstractCegarLoop]: Abstraction has 36383 states and 51347 transitions. [2022-07-14 03:12:41,389 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) [2022-07-14 03:12:41,389 INFO L276 IsEmpty]: Start isEmpty. Operand 36383 states and 51347 transitions. [2022-07-14 03:12:41,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2022-07-14 03:12:41,407 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:12:41,408 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] [2022-07-14 03:12:41,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-14 03:12:41,408 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] === [2022-07-14 03:12:41,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:12:41,409 INFO L85 PathProgramCache]: Analyzing trace with hash 1704310975, now seen corresponding path program 1 times [2022-07-14 03:12:41,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 03:12:41,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153345047] [2022-07-14 03:12:41,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:12:41,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 03:12:41,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:41,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 03:12:41,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:41,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:41,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 03:12:42,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:42,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 03:12:42,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:42,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 03:12:42,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:42,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 03:12:42,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:42,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 03:12:42,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:42,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 03:12:42,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:42,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 03:12:42,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:42,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 03:12:42,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:42,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 03:12:42,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:42,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 03:12:42,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:42,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 03:12:42,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:42,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 03:12:42,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:42,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 03:12:42,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:42,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 03:12:42,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:42,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 03:12:42,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:42,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 03:12:42,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:42,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-14 03:12:42,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:42,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-14 03:12:42,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:42,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-14 03:12:42,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:42,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-14 03:12:42,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:42,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-14 03:12:42,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:42,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-14 03:12:42,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:42,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-14 03:12:42,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:42,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-14 03:12:42,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:42,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-14 03:12:42,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:42,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-14 03:12:42,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:42,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-14 03:12:42,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:42,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-14 03:12:42,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:42,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-14 03:12:42,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:42,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-14 03:12:42,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:42,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-14 03:12:42,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:42,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-14 03:12:42,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-14 03:12:42,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-14 03:12:42,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:42,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-14 03:12:42,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-14 03:12:42,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-14 03:12:42,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:42,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-07-14 03:12:42,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:42,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-07-14 03:12:42,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:43,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2022-07-14 03:12:43,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:43,022 INFO L134 CoverageAnalysis]: Checked inductivity of 5202 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5202 trivial. 0 not checked. [2022-07-14 03:12:43,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 03:12:43,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153345047] [2022-07-14 03:12:43,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153345047] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:12:43,023 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:12:43,023 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 03:12:43,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935977228] [2022-07-14 03:12:43,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:12:43,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 03:12:43,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 03:12:43,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 03:12:43,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 03:12:43,026 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) [2022-07-14 03:12:50,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:12:50,212 INFO L93 Difference]: Finished difference Result 38780 states and 55351 transitions. [2022-07-14 03:12:50,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 03:12:50,213 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 [2022-07-14 03:12:50,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:12:50,441 INFO L225 Difference]: With dead ends: 38780 [2022-07-14 03:12:50,442 INFO L226 Difference]: Without dead ends: 38703 [2022-07-14 03:12:50,491 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 [2022-07-14 03:12:50,492 INFO L413 NwaCegarLoop]: 5804 mSDtfsCounter, 6502 mSDsluCounter, 6071 mSDsCounter, 0 mSdLazyCounter, 4053 mSolverCounterSat, 2826 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s 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, 6.4s IncrementalHoareTripleChecker+Time [2022-07-14 03:12:50,493 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7153 Valid, 11875 Invalid, 6879 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2826 Valid, 4053 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2022-07-14 03:12:50,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38703 states. [2022-07-14 03:12:51,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38703 to 36306. [2022-07-14 03:12:51,841 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) [2022-07-14 03:12:52,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36306 states to 36306 states and 51231 transitions. [2022-07-14 03:12:52,025 INFO L78 Accepts]: Start accepts. Automaton has 36306 states and 51231 transitions. Word has length 453 [2022-07-14 03:12:52,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:12:52,026 INFO L495 AbstractCegarLoop]: Abstraction has 36306 states and 51231 transitions. [2022-07-14 03:12:52,026 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) [2022-07-14 03:12:52,026 INFO L276 IsEmpty]: Start isEmpty. Operand 36306 states and 51231 transitions. [2022-07-14 03:12:52,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2022-07-14 03:12:52,074 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:12:52,074 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] [2022-07-14 03:12:52,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-14 03:12:52,075 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] === [2022-07-14 03:12:52,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:12:52,075 INFO L85 PathProgramCache]: Analyzing trace with hash -1413689594, now seen corresponding path program 1 times [2022-07-14 03:12:52,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 03:12:52,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554410451] [2022-07-14 03:12:52,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:12:52,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 03:12:52,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:52,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 03:12:52,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:52,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:52,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:52,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 03:12:52,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:52,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:52,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:52,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 03:12:52,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:52,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:52,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:52,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 03:12:52,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:52,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:52,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:52,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 03:12:52,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:52,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:52,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:52,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 03:12:52,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:52,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:52,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:52,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 03:12:52,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:52,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:52,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:52,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 03:12:52,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:53,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:53,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:53,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 03:12:53,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:53,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:53,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:53,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 03:12:53,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:53,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:53,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:53,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 03:12:53,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:53,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:53,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:53,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 03:12:53,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:53,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:53,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:53,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 03:12:53,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:53,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:53,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:53,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 03:12:53,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:53,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:53,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:53,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 03:12:53,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:53,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:53,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:53,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 03:12:53,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:53,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:53,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:53,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 03:12:53,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:53,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:53,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:53,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-14 03:12:53,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:53,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:53,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:53,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-14 03:12:53,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:53,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:53,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:53,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-14 03:12:53,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:53,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:53,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:53,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-14 03:12:53,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:53,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:53,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:53,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-14 03:12:53,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:53,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:53,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:53,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-14 03:12:53,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:53,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:53,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:53,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-14 03:12:53,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:53,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:53,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:53,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-14 03:12:53,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:53,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:53,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:53,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-14 03:12:53,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:53,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:53,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:53,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-14 03:12:53,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:53,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:53,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:53,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-14 03:12:53,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:53,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:53,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:53,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-14 03:12:53,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:53,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:53,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:53,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-14 03:12:53,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:53,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:53,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:53,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-14 03:12:53,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:53,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:53,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:53,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-14 03:12:53,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:53,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:53,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:53,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-14 03:12:53,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:53,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-14 03:12:53,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:53,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-14 03:12:53,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:53,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:53,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:53,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-14 03:12:53,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:53,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-14 03:12:53,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:53,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-07-14 03:12:53,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:53,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2022-07-14 03:12:53,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:53,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:12:53,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:53,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-07-14 03:12:53,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:53,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2022-07-14 03:12:53,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:53,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2022-07-14 03:12:53,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:53,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2022-07-14 03:12:53,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:12:53,520 INFO L134 CoverageAnalysis]: Checked inductivity of 5209 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5206 trivial. 0 not checked. [2022-07-14 03:12:53,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 03:12:53,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554410451] [2022-07-14 03:12:53,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554410451] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:12:53,521 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:12:53,521 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 03:12:53,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892587208] [2022-07-14 03:12:53,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:12:53,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 03:12:53,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 03:12:53,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 03:12:53,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 03:12:53,523 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) [2022-07-14 03:13:04,121 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 [] [2022-07-14 03:13:05,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:13:05,827 INFO L93 Difference]: Finished difference Result 87691 states and 124619 transitions. [2022-07-14 03:13:05,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 03:13:05,828 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 [2022-07-14 03:13:05,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:13:06,105 INFO L225 Difference]: With dead ends: 87691 [2022-07-14 03:13:06,106 INFO L226 Difference]: Without dead ends: 55201 [2022-07-14 03:13:06,370 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 [2022-07-14 03:13:06,372 INFO L413 NwaCegarLoop]: 10734 mSDtfsCounter, 5958 mSDsluCounter, 8007 mSDsCounter, 0 mSdLazyCounter, 5221 mSolverCounterSat, 2847 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7003 SdHoareTripleChecker+Valid, 18741 SdHoareTripleChecker+Invalid, 8069 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2847 IncrementalHoareTripleChecker+Valid, 5221 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2022-07-14 03:13:06,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7003 Valid, 18741 Invalid, 8069 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2847 Valid, 5221 Invalid, 1 Unknown, 0 Unchecked, 10.8s Time] [2022-07-14 03:13:06,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55201 states. [2022-07-14 03:13:08,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55201 to 51744. [2022-07-14 03:13:08,222 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) [2022-07-14 03:13:08,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51744 states to 51744 states and 72967 transitions. [2022-07-14 03:13:08,480 INFO L78 Accepts]: Start accepts. Automaton has 51744 states and 72967 transitions. Word has length 482 [2022-07-14 03:13:08,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:13:08,481 INFO L495 AbstractCegarLoop]: Abstraction has 51744 states and 72967 transitions. [2022-07-14 03:13:08,481 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) [2022-07-14 03:13:08,482 INFO L276 IsEmpty]: Start isEmpty. Operand 51744 states and 72967 transitions. [2022-07-14 03:13:08,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 510 [2022-07-14 03:13:08,541 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:13:08,541 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] [2022-07-14 03:13:08,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-14 03:13:08,542 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] === [2022-07-14 03:13:08,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:13:08,542 INFO L85 PathProgramCache]: Analyzing trace with hash 1557846666, now seen corresponding path program 1 times [2022-07-14 03:13:08,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 03:13:08,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827740070] [2022-07-14 03:13:08,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:13:08,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 03:13:08,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 03:13:09,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:09,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 03:13:09,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:09,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 03:13:09,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:09,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 03:13:09,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:09,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 03:13:09,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:09,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 03:13:09,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:09,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 03:13:09,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:09,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 03:13:09,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:09,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 03:13:09,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:09,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 03:13:09,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:09,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 03:13:09,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:09,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 03:13:09,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:09,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 03:13:09,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:09,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 03:13:09,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:09,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 03:13:09,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:09,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 03:13:09,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:09,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 03:13:09,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:09,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-14 03:13:09,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:09,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-14 03:13:09,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:09,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-14 03:13:09,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:09,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-14 03:13:09,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:09,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-14 03:13:09,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:09,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-14 03:13:09,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:09,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-14 03:13:09,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:09,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-14 03:13:09,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:09,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-14 03:13:09,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:09,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-14 03:13:09,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:09,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-14 03:13:09,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:09,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-14 03:13:09,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:09,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-14 03:13:09,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:09,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-14 03:13:09,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:09,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-14 03:13:09,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:09,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-14 03:13:09,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-14 03:13:09,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-14 03:13:09,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:09,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-14 03:13:09,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-14 03:13:09,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-14 03:13:09,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:09,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-07-14 03:13:09,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-07-14 03:13:09,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2022-07-14 03:13:09,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2022-07-14 03:13:09,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2022-07-14 03:13:09,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:09,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:13:09,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:13:09,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2022-07-14 03:13:09,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:09,790 INFO L134 CoverageAnalysis]: Checked inductivity of 5354 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 5337 trivial. 0 not checked. [2022-07-14 03:13:09,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 03:13:09,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827740070] [2022-07-14 03:13:09,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827740070] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:13:09,790 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:13:09,791 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 03:13:09,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477045989] [2022-07-14 03:13:09,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:13:09,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 03:13:09,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 03:13:09,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 03:13:09,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 03:13:09,793 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) [2022-07-14 03:13:21,165 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 [] [2022-07-14 03:13:23,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:13:23,860 INFO L93 Difference]: Finished difference Result 128404 states and 182375 transitions. [2022-07-14 03:13:23,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 03:13:23,862 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 [2022-07-14 03:13:23,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:13:24,255 INFO L225 Difference]: With dead ends: 128404 [2022-07-14 03:13:24,256 INFO L226 Difference]: Without dead ends: 76386 [2022-07-14 03:13:24,574 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 [2022-07-14 03:13:24,575 INFO L413 NwaCegarLoop]: 11348 mSDtfsCounter, 6362 mSDsluCounter, 8400 mSDsCounter, 0 mSdLazyCounter, 5279 mSolverCounterSat, 2834 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7479 SdHoareTripleChecker+Valid, 19748 SdHoareTripleChecker+Invalid, 8114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2834 IncrementalHoareTripleChecker+Valid, 5279 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2022-07-14 03:13:24,575 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7479 Valid, 19748 Invalid, 8114 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2834 Valid, 5279 Invalid, 1 Unknown, 0 Unchecked, 11.6s Time] [2022-07-14 03:13:24,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76386 states. [2022-07-14 03:13:26,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76386 to 71604. [2022-07-14 03:13:26,953 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) [2022-07-14 03:13:27,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71604 states to 71604 states and 101007 transitions. [2022-07-14 03:13:27,515 INFO L78 Accepts]: Start accepts. Automaton has 71604 states and 101007 transitions. Word has length 509 [2022-07-14 03:13:27,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:13:27,517 INFO L495 AbstractCegarLoop]: Abstraction has 71604 states and 101007 transitions. [2022-07-14 03:13:27,517 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) [2022-07-14 03:13:27,517 INFO L276 IsEmpty]: Start isEmpty. Operand 71604 states and 101007 transitions. [2022-07-14 03:13:27,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 536 [2022-07-14 03:13:27,612 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:13:27,612 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] [2022-07-14 03:13:27,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-14 03:13:27,613 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] === [2022-07-14 03:13:27,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:13:27,613 INFO L85 PathProgramCache]: Analyzing trace with hash -1323562556, now seen corresponding path program 1 times [2022-07-14 03:13:27,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 03:13:27,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491160071] [2022-07-14 03:13:27,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:13:27,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 03:13:27,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 03:13:28,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:28,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 03:13:28,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:28,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 03:13:28,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:28,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 03:13:28,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:28,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 03:13:28,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:28,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 03:13:28,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:28,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 03:13:28,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:28,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 03:13:28,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:28,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 03:13:28,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:28,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 03:13:28,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:28,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 03:13:28,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:28,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 03:13:28,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:28,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 03:13:28,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:28,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 03:13:28,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:28,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 03:13:28,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:28,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 03:13:28,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:28,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 03:13:28,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:28,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-14 03:13:28,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:28,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-14 03:13:28,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:28,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-14 03:13:28,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:28,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-14 03:13:28,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:28,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-14 03:13:28,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:28,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-14 03:13:28,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:28,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-14 03:13:28,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:28,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-14 03:13:28,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:28,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-14 03:13:28,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:28,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-14 03:13:28,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:28,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-14 03:13:28,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:28,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-14 03:13:28,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:28,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-14 03:13:28,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:28,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-14 03:13:28,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:28,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-14 03:13:28,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:28,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-14 03:13:28,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-14 03:13:28,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-14 03:13:28,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:28,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-14 03:13:28,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-14 03:13:28,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-14 03:13:28,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:28,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-07-14 03:13:28,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-07-14 03:13:28,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2022-07-14 03:13:28,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-07-14 03:13:28,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2022-07-14 03:13:28,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2022-07-14 03:13:28,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2022-07-14 03:13:28,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2022-07-14 03:13:28,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:28,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:13:28,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:13:28,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2022-07-14 03:13:28,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:28,885 INFO L134 CoverageAnalysis]: Checked inductivity of 5635 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 5603 trivial. 0 not checked. [2022-07-14 03:13:28,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 03:13:28,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491160071] [2022-07-14 03:13:28,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491160071] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:13:28,886 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:13:28,886 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 03:13:28,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348514986] [2022-07-14 03:13:28,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:13:28,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 03:13:28,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 03:13:28,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 03:13:28,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 03:13:28,889 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) [2022-07-14 03:13:41,895 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 [] [2022-07-14 03:13:44,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:13:44,547 INFO L93 Difference]: Finished difference Result 169415 states and 240590 transitions. [2022-07-14 03:13:44,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 03:13:44,552 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 [2022-07-14 03:13:44,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:13:45,049 INFO L225 Difference]: With dead ends: 169415 [2022-07-14 03:13:45,049 INFO L226 Difference]: Without dead ends: 97573 [2022-07-14 03:13:45,270 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 [2022-07-14 03:13:45,270 INFO L413 NwaCegarLoop]: 11342 mSDtfsCounter, 6361 mSDsluCounter, 8396 mSDsCounter, 0 mSdLazyCounter, 5267 mSolverCounterSat, 2830 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7480 SdHoareTripleChecker+Valid, 19738 SdHoareTripleChecker+Invalid, 8098 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2830 IncrementalHoareTripleChecker+Valid, 5267 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2022-07-14 03:13:45,271 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7480 Valid, 19738 Invalid, 8098 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2830 Valid, 5267 Invalid, 1 Unknown, 0 Unchecked, 12.3s Time] [2022-07-14 03:13:45,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97573 states. [2022-07-14 03:13:47,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97573 to 71604. [2022-07-14 03:13:48,044 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) [2022-07-14 03:13:48,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71604 states to 71604 states and 101006 transitions. [2022-07-14 03:13:48,561 INFO L78 Accepts]: Start accepts. Automaton has 71604 states and 101006 transitions. Word has length 535 [2022-07-14 03:13:48,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:13:48,562 INFO L495 AbstractCegarLoop]: Abstraction has 71604 states and 101006 transitions. [2022-07-14 03:13:48,562 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) [2022-07-14 03:13:48,562 INFO L276 IsEmpty]: Start isEmpty. Operand 71604 states and 101006 transitions. [2022-07-14 03:13:48,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 536 [2022-07-14 03:13:48,625 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:13:48,626 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] [2022-07-14 03:13:48,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-14 03:13:48,626 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] === [2022-07-14 03:13:48,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:13:48,627 INFO L85 PathProgramCache]: Analyzing trace with hash 243195394, now seen corresponding path program 1 times [2022-07-14 03:13:48,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 03:13:48,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868015909] [2022-07-14 03:13:48,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:13:48,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 03:13:48,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:48,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 03:13:48,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:48,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:48,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:48,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 03:13:48,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:48,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:48,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 03:13:49,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:49,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 03:13:49,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:49,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 03:13:49,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:49,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 03:13:49,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:49,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 03:13:49,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:49,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 03:13:49,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:49,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 03:13:49,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:49,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 03:13:49,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:49,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 03:13:49,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:49,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 03:13:49,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:49,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 03:13:49,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:49,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 03:13:49,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:49,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 03:13:49,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:49,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 03:13:49,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:49,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 03:13:49,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:49,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-14 03:13:49,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:49,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-14 03:13:49,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:49,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-14 03:13:49,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:49,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-14 03:13:49,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:49,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-14 03:13:49,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:49,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-14 03:13:49,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:49,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-14 03:13:49,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:49,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-14 03:13:49,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:49,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-14 03:13:49,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:49,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-14 03:13:49,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:49,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-14 03:13:49,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:49,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-14 03:13:49,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:49,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-14 03:13:49,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:49,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-14 03:13:49,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:49,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-14 03:13:49,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:49,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-14 03:13:49,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-14 03:13:49,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-14 03:13:49,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:49,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-14 03:13:49,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-14 03:13:49,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-14 03:13:49,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:49,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-07-14 03:13:49,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-07-14 03:13:49,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2022-07-14 03:13:49,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-07-14 03:13:49,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2022-07-14 03:13:49,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2022-07-14 03:13:49,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2022-07-14 03:13:49,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2022-07-14 03:13:49,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:49,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:13:49,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:13:49,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2022-07-14 03:13:49,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:49,896 INFO L134 CoverageAnalysis]: Checked inductivity of 5635 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5624 trivial. 0 not checked. [2022-07-14 03:13:49,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 03:13:49,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868015909] [2022-07-14 03:13:49,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868015909] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:13:49,897 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:13:49,897 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 03:13:49,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563157653] [2022-07-14 03:13:49,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:13:49,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 03:13:49,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 03:13:49,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 03:13:49,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 03:13:49,900 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) [2022-07-14 03:14:03,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:14:03,829 INFO L93 Difference]: Finished difference Result 182001 states and 258550 transitions. [2022-07-14 03:14:03,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 03:14:03,830 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 [2022-07-14 03:14:03,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:14:04,850 INFO L225 Difference]: With dead ends: 182001 [2022-07-14 03:14:04,850 INFO L226 Difference]: Without dead ends: 114213 [2022-07-14 03:14:05,065 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 [2022-07-14 03:14:05,066 INFO L413 NwaCegarLoop]: 11337 mSDtfsCounter, 6337 mSDsluCounter, 8371 mSDsCounter, 0 mSdLazyCounter, 5304 mSolverCounterSat, 2835 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7460 SdHoareTripleChecker+Valid, 19708 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 [2022-07-14 03:14:05,066 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7460 Valid, 19708 Invalid, 8139 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2835 Valid, 5304 Invalid, 0 Unknown, 0 Unchecked, 10.2s Time] [2022-07-14 03:14:05,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114213 states. [2022-07-14 03:14:08,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114213 to 107034. [2022-07-14 03:14:09,022 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) [2022-07-14 03:14:09,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107034 states to 107034 states and 150950 transitions. [2022-07-14 03:14:09,799 INFO L78 Accepts]: Start accepts. Automaton has 107034 states and 150950 transitions. Word has length 535 [2022-07-14 03:14:09,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:14:09,800 INFO L495 AbstractCegarLoop]: Abstraction has 107034 states and 150950 transitions. [2022-07-14 03:14:09,801 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) [2022-07-14 03:14:09,801 INFO L276 IsEmpty]: Start isEmpty. Operand 107034 states and 150950 transitions. [2022-07-14 03:14:09,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 559 [2022-07-14 03:14:09,890 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:14:09,890 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] [2022-07-14 03:14:09,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-14 03:14:09,891 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] === [2022-07-14 03:14:09,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:14:09,891 INFO L85 PathProgramCache]: Analyzing trace with hash -1864831137, now seen corresponding path program 1 times [2022-07-14 03:14:09,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 03:14:09,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501062742] [2022-07-14 03:14:09,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:14:09,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 03:14:10,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 03:14:10,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:10,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 03:14:10,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:10,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 03:14:10,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:10,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 03:14:10,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:10,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 03:14:10,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:10,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 03:14:10,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:10,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 03:14:10,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:10,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 03:14:10,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:10,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 03:14:10,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:10,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 03:14:10,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:10,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 03:14:10,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:10,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 03:14:10,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:10,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 03:14:10,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:10,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 03:14:10,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:10,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 03:14:10,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:10,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 03:14:10,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:10,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 03:14:10,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:10,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-14 03:14:10,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:10,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-14 03:14:10,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:10,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-14 03:14:10,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:10,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-14 03:14:10,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:10,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-14 03:14:10,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:10,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-14 03:14:10,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:10,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-14 03:14:10,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:10,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-14 03:14:10,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:10,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-14 03:14:10,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:10,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-14 03:14:10,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:10,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-14 03:14:10,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:10,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-14 03:14:10,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:10,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-14 03:14:10,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:10,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-14 03:14:10,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:10,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-14 03:14:10,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:10,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-14 03:14:10,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-14 03:14:10,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-14 03:14:10,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:10,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-14 03:14:10,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-14 03:14:10,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-07-14 03:14:10,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:11,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2022-07-14 03:14:11,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:11,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:11,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:11,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-07-14 03:14:11,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:11,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2022-07-14 03:14:11,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:11,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2022-07-14 03:14:11,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:11,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:11,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:11,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:14:11,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:11,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:14:11,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:11,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2022-07-14 03:14:11,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:11,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:11,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:11,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:14:11,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:11,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:14:11,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:11,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2022-07-14 03:14:11,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:11,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-07-14 03:14:11,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:11,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2022-07-14 03:14:11,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:11,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2022-07-14 03:14:11,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:11,128 INFO L134 CoverageAnalysis]: Checked inductivity of 5575 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 5549 trivial. 0 not checked. [2022-07-14 03:14:11,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 03:14:11,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501062742] [2022-07-14 03:14:11,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501062742] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:14:11,129 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:14:11,129 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 03:14:11,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664537080] [2022-07-14 03:14:11,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:14:11,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 03:14:11,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 03:14:11,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 03:14:11,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 03:14:11,131 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) [2022-07-14 03:14:25,124 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 [] [2022-07-14 03:14:28,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:14:28,036 INFO L93 Difference]: Finished difference Result 253980 states and 360568 transitions. [2022-07-14 03:14:28,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 03:14:28,038 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 [2022-07-14 03:14:28,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:14:28,854 INFO L225 Difference]: With dead ends: 253980 [2022-07-14 03:14:28,854 INFO L226 Difference]: Without dead ends: 146761