./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 6c24879c 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-?-6c24879 [2022-07-12 15:29:40,137 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 15:29:40,139 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 15:29:40,167 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 15:29:40,174 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 15:29:40,176 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 15:29:40,178 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 15:29:40,181 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 15:29:40,183 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 15:29:40,184 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 15:29:40,185 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 15:29:40,187 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 15:29:40,188 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 15:29:40,190 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 15:29:40,191 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 15:29:40,193 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 15:29:40,195 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 15:29:40,199 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 15:29:40,201 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 15:29:40,208 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 15:29:40,209 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 15:29:40,210 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 15:29:40,210 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 15:29:40,211 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 15:29:40,212 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 15:29:40,214 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 15:29:40,216 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 15:29:40,216 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 15:29:40,217 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 15:29:40,217 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 15:29:40,218 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 15:29:40,219 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 15:29:40,219 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 15:29:40,220 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 15:29:40,221 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 15:29:40,221 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 15:29:40,221 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 15:29:40,222 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 15:29:40,222 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 15:29:40,222 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 15:29:40,223 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 15:29:40,224 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 15:29:40,225 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 15:29:40,247 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 15:29:40,247 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 15:29:40,247 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 15:29:40,248 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 15:29:40,248 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 15:29:40,248 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 15:29:40,249 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 15:29:40,249 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 15:29:40,249 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 15:29:40,250 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 15:29:40,250 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 15:29:40,250 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 15:29:40,250 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 15:29:40,250 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 15:29:40,251 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 15:29:40,251 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 15:29:40,251 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 15:29:40,251 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 15:29:40,251 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 15:29:40,251 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 15:29:40,252 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 15:29:40,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 15:29:40,252 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 15:29:40,252 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 15:29:40,252 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 15:29:40,252 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 15:29:40,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 15:29:40,253 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 15:29:40,253 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 15:29:40,253 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 15:29:40,253 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 444a46b967cbf28ff66594f7c2b86075c66a3ec06686446169e50e8f0716b901 [2022-07-12 15:29:40,424 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 15:29:40,445 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 15:29:40,447 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 15:29:40,448 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 15:29:40,449 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 15:29:40,450 INFO L432 ainManager$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 [2022-07-12 15:29:40,492 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c4702a9a/d061b4d04ca84738b9a1e3b6a5734117/FLAGbdb34ec35 [2022-07-12 15:29:41,172 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 15:29:41,173 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 [2022-07-12 15:29:41,228 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c4702a9a/d061b4d04ca84738b9a1e3b6a5734117/FLAGbdb34ec35 [2022-07-12 15:29:41,264 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c4702a9a/d061b4d04ca84738b9a1e3b6a5734117 [2022-07-12 15:29:41,267 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 15:29:41,269 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 15:29:41,270 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 15:29:41,270 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 15:29:41,272 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 15:29:41,273 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:29:41" (1/1) ... [2022-07-12 15:29:41,274 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3df8c61a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:29:41, skipping insertion in model container [2022-07-12 15:29:41,274 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:29:41" (1/1) ... [2022-07-12 15:29:41,278 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 15:29:41,454 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 15:29:46,691 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] [2022-07-12 15:29:46,693 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] [2022-07-12 15:29:46,694 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] [2022-07-12 15:29:46,694 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] [2022-07-12 15:29:46,729 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 15:29:46,790 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 15:29:47,323 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] [2022-07-12 15:29:47,324 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] [2022-07-12 15:29:47,325 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] [2022-07-12 15:29:47,325 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] [2022-07-12 15:29:47,336 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 15:29:47,635 INFO L208 MainTranslator]: Completed translation [2022-07-12 15:29:47,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:29:47 WrapperNode [2022-07-12 15:29:47,636 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 15:29:47,636 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 15:29:47,636 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 15:29:47,637 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 15:29:47,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:29:47" (1/1) ... [2022-07-12 15:29:47,758 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:29:47" (1/1) ... [2022-07-12 15:29:48,024 INFO L137 Inliner]: procedures = 710, calls = 5470, calls flagged for inlining = 409, calls inlined = 365, statements flattened = 11651 [2022-07-12 15:29:48,025 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 15:29:48,026 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 15:29:48,026 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 15:29:48,027 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 15:29:48,034 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:29:47" (1/1) ... [2022-07-12 15:29:48,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:29:47" (1/1) ... [2022-07-12 15:29:48,098 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:29:47" (1/1) ... [2022-07-12 15:29:48,099 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:29:47" (1/1) ... [2022-07-12 15:29:48,445 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:29:47" (1/1) ... [2022-07-12 15:29:48,477 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:29:47" (1/1) ... [2022-07-12 15:29:48,647 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:29:47" (1/1) ... [2022-07-12 15:29:48,700 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 15:29:48,701 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 15:29:48,701 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 15:29:48,702 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 15:29:48,702 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:29:47" (1/1) ... [2022-07-12 15:29:48,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 15:29:48,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 15:29:48,725 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) [2022-07-12 15:29:48,747 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 [2022-07-12 15:29:48,766 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-12 15:29:48,766 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-12 15:29:48,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-12 15:29:48,766 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-12 15:29:48,766 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-07-12 15:29:48,766 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-07-12 15:29:48,767 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-12 15:29:48,767 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-12 15:29:48,767 INFO L130 BoogieDeclarations]: Found specification of procedure get_stats32 [2022-07-12 15:29:48,767 INFO L138 BoogieDeclarations]: Found implementation of procedure get_stats32 [2022-07-12 15:29:48,767 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_remove [2022-07-12 15:29:48,767 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_remove [2022-07-12 15:29:48,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 15:29:48,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 15:29:48,768 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_led [2022-07-12 15:29:48,768 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_led [2022-07-12 15:29:48,768 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_alloc_rx_skbs [2022-07-12 15:29:48,768 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_alloc_rx_skbs [2022-07-12 15:29:48,768 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-12 15:29:48,768 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-12 15:29:48,768 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_supported_modes [2022-07-12 15:29:48,768 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_supported_modes [2022-07-12 15:29:48,768 INFO L130 BoogieDeclarations]: Found specification of procedure rx_set_rss [2022-07-12 15:29:48,769 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_set_rss [2022-07-12 15:29:48,769 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_power_aux [2022-07-12 15:29:48,769 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_power_aux [2022-07-12 15:29:48,769 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-12 15:29:48,769 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-12 15:29:48,769 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2022-07-12 15:29:48,769 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2022-07-12 15:29:48,769 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-12 15:29:48,769 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-12 15:29:48,770 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_add_filter [2022-07-12 15:29:48,770 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_add_filter [2022-07-12 15:29:48,770 INFO L130 BoogieDeclarations]: Found specification of procedure gm_phy_read [2022-07-12 15:29:48,770 INFO L138 BoogieDeclarations]: Found implementation of procedure gm_phy_read [2022-07-12 15:29:48,770 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-12 15:29:48,770 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-12 15:29:48,770 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_alloc [2022-07-12 15:29:48,770 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_alloc [2022-07-12 15:29:48,770 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2022-07-12 15:29:48,771 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2022-07-12 15:29:48,771 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2022-07-12 15:29:48,771 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2022-07-12 15:29:48,771 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_unlock [2022-07-12 15:29:48,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_unlock [2022-07-12 15:29:48,771 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size_set [2022-07-12 15:29:48,772 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size_set [2022-07-12 15:29:48,772 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-12 15:29:48,772 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-12 15:29:48,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-12 15:29:48,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-12 15:29:48,773 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-12 15:29:48,773 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-12 15:29:48,773 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_show_addr [2022-07-12 15:29:48,774 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_show_addr [2022-07-12 15:29:48,774 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-12 15:29:48,774 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-12 15:29:48,774 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_close [2022-07-12 15:29:48,774 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_close [2022-07-12 15:29:48,775 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-12 15:29:48,775 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-12 15:29:48,775 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_init_netdev [2022-07-12 15:29:48,775 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_init_netdev [2022-07-12 15:29:48,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 15:29:48,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 15:29:48,776 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-12 15:29:48,776 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-12 15:29:48,776 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_start [2022-07-12 15:29:48,776 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_start [2022-07-12 15:29:48,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 15:29:48,776 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-12 15:29:48,776 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-12 15:29:48,776 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2022-07-12 15:29:48,777 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2022-07-12 15:29:48,777 INFO L130 BoogieDeclarations]: Found specification of procedure get_stats64 [2022-07-12 15:29:48,777 INFO L138 BoogieDeclarations]: Found implementation of procedure get_stats64 [2022-07-12 15:29:48,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-07-12 15:29:48,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-07-12 15:29:48,777 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-12 15:29:48,777 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-12 15:29:48,777 INFO L130 BoogieDeclarations]: Found specification of procedure netif_schedule_queue [2022-07-12 15:29:48,778 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_schedule_queue [2022-07-12 15:29:48,778 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_get_regs_len [2022-07-12 15:29:48,778 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_get_regs_len [2022-07-12 15:29:48,778 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-12 15:29:48,778 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-12 15:29:48,779 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-12 15:29:48,779 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-12 15:29:48,779 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_update [2022-07-12 15:29:48,779 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_update [2022-07-12 15:29:48,779 INFO L130 BoogieDeclarations]: Found specification of procedure pci_is_pcie [2022-07-12 15:29:48,780 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_is_pcie [2022-07-12 15:29:48,780 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-12 15:29:48,780 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-12 15:29:48,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-12 15:29:48,780 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-12 15:29:48,780 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-12 15:29:48,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-07-12 15:29:48,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-07-12 15:29:48,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-12 15:29:48,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-12 15:29:48,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-12 15:29:48,781 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_ramset [2022-07-12 15:29:48,781 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_ramset [2022-07-12 15:29:48,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-12 15:29:48,781 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-12 15:29:48,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-12 15:29:48,782 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_update_features [2022-07-12 15:29:48,782 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_update_features [2022-07-12 15:29:48,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 15:29:48,782 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 15:29:48,783 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_netpoll [2022-07-12 15:29:48,784 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_netpoll [2022-07-12 15:29:48,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-12 15:29:48,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-12 15:29:48,785 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-12 15:29:48,785 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-12 15:29:48,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-12 15:29:48,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-12 15:29:48,786 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_hw_up [2022-07-12 15:29:48,786 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_hw_up [2022-07-12 15:29:48,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-12 15:29:48,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-12 15:29:48,791 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2022-07-12 15:29:48,791 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2022-07-12 15:29:48,791 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-07-12 15:29:48,791 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-07-12 15:29:48,791 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2022-07-12 15:29:48,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2022-07-12 15:29:48,791 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-12 15:29:48,791 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-12 15:29:48,791 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_tx_unmap [2022-07-12 15:29:48,792 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_tx_unmap [2022-07-12 15:29:48,792 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-12 15:29:48,792 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-12 15:29:48,792 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_lock [2022-07-12 15:29:48,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_lock [2022-07-12 15:29:48,792 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-07-12 15:29:48,792 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-07-12 15:29:48,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 15:29:48,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-12 15:29:48,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-12 15:29:48,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-12 15:29:48,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-12 15:29:48,793 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_add [2022-07-12 15:29:48,793 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_add [2022-07-12 15:29:48,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2022-07-12 15:29:48,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2022-07-12 15:29:48,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-12 15:29:48,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-12 15:29:48,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2022-07-12 15:29:48,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2022-07-12 15:29:48,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2022-07-12 15:29:48,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2022-07-12 15:29:48,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-07-12 15:29:48,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-07-12 15:29:48,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 15:29:48,794 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_map_skb [2022-07-12 15:29:48,794 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_map_skb [2022-07-12 15:29:48,794 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_resume [2022-07-12 15:29:48,794 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_resume [2022-07-12 15:29:48,794 INFO L130 BoogieDeclarations]: Found specification of procedure roundup_ring_size [2022-07-12 15:29:48,795 INFO L138 BoogieDeclarations]: Found implementation of procedure roundup_ring_size [2022-07-12 15:29:48,795 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_put_idx [2022-07-12 15:29:48,795 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_put_idx [2022-07-12 15:29:48,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-12 15:29:48,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-12 15:29:48,795 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-12 15:29:48,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-12 15:29:48,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 15:29:48,795 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-12 15:29:48,795 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 15:29:48,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 15:29:48,796 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_dma_map [2022-07-12 15:29:48,796 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_dma_map [2022-07-12 15:29:48,796 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-12 15:29:48,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-12 15:29:48,796 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_read32 [2022-07-12 15:29:48,796 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_read32 [2022-07-12 15:29:48,796 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-12 15:29:48,796 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-12 15:29:48,797 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_phy_power_up [2022-07-12 15:29:48,797 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_phy_power_up [2022-07-12 15:29:48,797 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_phy_init [2022-07-12 15:29:48,797 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_phy_init [2022-07-12 15:29:48,798 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_disable [2022-07-12 15:29:48,798 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_disable [2022-07-12 15:29:48,798 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_clean [2022-07-12 15:29:48,798 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_clean [2022-07-12 15:29:48,799 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-12 15:29:48,799 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-12 15:29:48,799 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-07-12 15:29:48,799 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-07-12 15:29:48,799 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-12 15:29:48,799 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-12 15:29:48,799 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_tx_complete [2022-07-12 15:29:48,799 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_tx_complete [2022-07-12 15:29:48,799 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_hw_down [2022-07-12 15:29:48,799 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_hw_down [2022-07-12 15:29:48,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-12 15:29:48,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-12 15:29:48,800 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_phy_reinit [2022-07-12 15:29:48,800 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_phy_reinit [2022-07-12 15:29:48,800 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_bh [2022-07-12 15:29:48,800 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_bh [2022-07-12 15:29:48,800 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-07-12 15:29:48,800 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-07-12 15:29:48,800 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-12 15:29:48,800 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-12 15:29:48,801 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_read16 [2022-07-12 15:29:48,801 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_read16 [2022-07-12 15:29:48,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 15:29:48,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 15:29:48,801 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_write16 [2022-07-12 15:29:48,801 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_write16 [2022-07-12 15:29:48,801 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-12 15:29:48,801 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-12 15:29:48,801 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-12 15:29:48,801 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-12 15:29:48,802 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_free_buffers [2022-07-12 15:29:48,802 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_free_buffers [2022-07-12 15:29:48,802 INFO L130 BoogieDeclarations]: Found specification of procedure gma_read16 [2022-07-12 15:29:48,802 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_read16 [2022-07-12 15:29:48,802 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-12 15:29:48,802 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-12 15:29:48,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 15:29:48,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 15:29:48,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 15:29:48,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 15:29:48,803 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_all_up [2022-07-12 15:29:48,803 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_all_up [2022-07-12 15:29:48,803 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-12 15:29:48,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-12 15:29:48,803 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-07-12 15:29:48,803 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-07-12 15:29:48,803 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2022-07-12 15:29:48,803 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2022-07-12 15:29:48,803 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_tx_timeout [2022-07-12 15:29:48,804 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_tx_timeout [2022-07-12 15:29:48,807 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-12 15:29:48,807 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-12 15:29:48,807 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_wol_supported [2022-07-12 15:29:48,807 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_wol_supported [2022-07-12 15:29:48,807 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-12 15:29:48,807 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-12 15:29:48,807 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_write32 [2022-07-12 15:29:48,808 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_write32 [2022-07-12 15:29:48,808 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_read32 [2022-07-12 15:29:48,809 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_read32 [2022-07-12 15:29:48,809 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-07-12 15:29:48,809 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-07-12 15:29:48,809 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-07-12 15:29:48,809 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_submit [2022-07-12 15:29:48,809 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_submit [2022-07-12 15:29:48,809 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-07-12 15:29:48,809 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-07-12 15:29:48,809 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-12 15:29:48,809 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-12 15:29:48,810 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_vlan_mode [2022-07-12 15:29:48,810 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_vlan_mode [2022-07-12 15:29:48,810 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_set_multicast [2022-07-12 15:29:48,810 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_set_multicast [2022-07-12 15:29:48,810 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_read8 [2022-07-12 15:29:48,810 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_read8 [2022-07-12 15:29:48,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-12 15:29:48,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-12 15:29:48,810 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2022-07-12 15:29:48,810 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2022-07-12 15:29:48,811 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_prefetch_init [2022-07-12 15:29:48,811 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_prefetch_init [2022-07-12 15:29:48,811 INFO L130 BoogieDeclarations]: Found specification of procedure gma_read32 [2022-07-12 15:29:48,811 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_read32 [2022-07-12 15:29:48,811 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_reset [2022-07-12 15:29:48,811 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_reset [2022-07-12 15:29:48,811 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-12 15:29:48,811 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-12 15:29:48,811 INFO L130 BoogieDeclarations]: Found specification of procedure gma_set_addr [2022-07-12 15:29:48,811 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_set_addr [2022-07-12 15:29:48,811 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-07-12 15:29:48,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-07-12 15:29:48,812 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-07-12 15:29:48,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-07-12 15:29:48,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 15:29:48,812 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 15:29:48,812 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-07-12 15:29:48,812 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-07-12 15:29:48,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-07-12 15:29:48,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-07-12 15:29:48,812 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-12 15:29:48,813 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-12 15:29:48,813 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_vpd_wait [2022-07-12 15:29:48,813 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_vpd_wait [2022-07-12 15:29:48,813 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-07-12 15:29:48,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-07-12 15:29:48,813 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-12 15:29:48,813 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-12 15:29:48,813 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_shutdown [2022-07-12 15:29:48,813 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_shutdown [2022-07-12 15:29:48,813 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_read16 [2022-07-12 15:29:48,813 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_read16 [2022-07-12 15:29:48,814 INFO L130 BoogieDeclarations]: Found specification of procedure get_tx_le [2022-07-12 15:29:48,814 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tx_le [2022-07-12 15:29:48,814 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_stop [2022-07-12 15:29:48,814 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_stop [2022-07-12 15:29:48,814 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-12 15:29:48,814 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-12 15:29:48,814 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-12 15:29:48,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-12 15:29:48,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 15:29:48,814 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-12 15:29:48,814 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-12 15:29:48,815 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-12 15:29:48,815 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-12 15:29:48,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2022-07-12 15:29:48,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2022-07-12 15:29:48,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 15:29:48,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 15:29:48,815 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_nway_reset [2022-07-12 15:29:48,815 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_nway_reset [2022-07-12 15:29:48,815 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-12 15:29:48,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-12 15:29:48,816 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-07-12 15:29:48,816 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-07-12 15:29:48,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-07-12 15:29:48,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-07-12 15:29:48,816 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_all_down [2022-07-12 15:29:48,816 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_all_down [2022-07-12 15:29:48,816 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-12 15:29:48,816 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-12 15:29:48,816 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-12 15:29:48,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-12 15:29:48,817 INFO L130 BoogieDeclarations]: Found specification of procedure __gm_phy_read [2022-07-12 15:29:48,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __gm_phy_read [2022-07-12 15:29:48,817 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-12 15:29:48,817 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-12 15:29:48,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-07-12 15:29:48,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-07-12 15:29:48,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-12 15:29:48,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-12 15:29:48,817 INFO L130 BoogieDeclarations]: Found specification of procedure tx_avail [2022-07-12 15:29:48,817 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_avail [2022-07-12 15:29:48,817 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_unmap_skb [2022-07-12 15:29:48,818 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_unmap_skb [2022-07-12 15:29:48,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-07-12 15:29:48,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-07-12 15:29:48,818 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_capability [2022-07-12 15:29:48,818 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_capability [2022-07-12 15:29:48,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-12 15:29:48,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-12 15:29:48,818 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_clk2us [2022-07-12 15:29:48,818 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_clk2us [2022-07-12 15:29:48,818 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_set_tx_stfwd [2022-07-12 15:29:48,818 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_set_tx_stfwd [2022-07-12 15:29:48,819 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_enable_rx_tx [2022-07-12 15:29:48,819 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_enable_rx_tx [2022-07-12 15:29:48,819 INFO L130 BoogieDeclarations]: Found specification of procedure gma_write16 [2022-07-12 15:29:48,819 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_write16 [2022-07-12 15:29:48,819 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-12 15:29:48,819 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-12 15:29:48,819 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_next_rx [2022-07-12 15:29:48,819 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_next_rx [2022-07-12 15:29:48,819 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-12 15:29:48,819 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-12 15:29:48,820 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-12 15:29:48,820 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-12 15:29:48,820 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2022-07-12 15:29:48,820 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2022-07-12 15:29:48,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_sky2_cleanup_module_22_2 [2022-07-12 15:29:48,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_sky2_cleanup_module_22_2 [2022-07-12 15:29:48,820 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-07-12 15:29:48,820 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-07-12 15:29:48,820 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2022-07-12 15:29:48,820 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2022-07-12 15:29:48,821 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_get_eeprom_len [2022-07-12 15:29:48,821 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_get_eeprom_len [2022-07-12 15:29:48,821 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_setup_irq [2022-07-12 15:29:48,821 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_setup_irq [2022-07-12 15:29:48,821 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-12 15:29:48,821 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-12 15:29:48,821 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 15:29:48,821 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 15:29:48,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-12 15:29:48,821 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_us2clk [2022-07-12 15:29:48,822 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_us2clk [2022-07-12 15:29:48,822 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-07-12 15:29:48,822 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-07-12 15:29:48,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 15:29:48,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 15:29:48,822 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-07-12 15:29:48,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-07-12 15:29:48,822 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_is_copper [2022-07-12 15:29:48,822 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_is_copper [2022-07-12 15:29:48,822 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_bh [2022-07-12 15:29:48,822 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_bh [2022-07-12 15:29:48,823 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-12 15:29:48,823 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-12 15:29:48,823 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_suspend [2022-07-12 15:29:48,823 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_suspend [2022-07-12 15:29:48,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2022-07-12 15:29:48,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2022-07-12 15:29:48,823 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-07-12 15:29:48,823 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-07-12 15:29:48,823 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-07-12 15:29:48,823 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-07-12 15:29:48,824 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_write16 [2022-07-12 15:29:48,824 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_write16 [2022-07-12 15:29:48,824 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2022-07-12 15:29:48,824 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2022-07-12 15:29:48,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-12 15:29:48,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-12 15:29:48,824 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-12 15:29:48,824 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-12 15:29:48,824 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_write8 [2022-07-12 15:29:48,824 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_write8 [2022-07-12 15:29:48,824 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-07-12 15:29:48,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-07-12 15:29:48,825 INFO L130 BoogieDeclarations]: Found specification of procedure gm_phy_write [2022-07-12 15:29:48,825 INFO L138 BoogieDeclarations]: Found implementation of procedure gm_phy_write [2022-07-12 15:29:48,825 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2022-07-12 15:29:48,825 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2022-07-12 15:29:48,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2022-07-12 15:29:48,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2022-07-12 15:29:48,825 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-12 15:29:48,825 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-12 15:29:48,825 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-12 15:29:48,826 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-12 15:29:48,826 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_write32 [2022-07-12 15:29:48,826 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_write32 [2022-07-12 15:29:48,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 15:29:48,826 INFO L130 BoogieDeclarations]: Found specification of procedure gma_read64 [2022-07-12 15:29:48,826 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_read64 [2022-07-12 15:29:48,826 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_qset [2022-07-12 15:29:48,826 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_qset [2022-07-12 15:29:48,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-12 15:29:48,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-12 15:29:48,827 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-07-12 15:29:48,827 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-07-12 15:29:48,827 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_open [2022-07-12 15:29:48,827 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_open [2022-07-12 15:29:48,827 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-12 15:29:48,827 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_mhz [2022-07-12 15:29:48,827 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_mhz [2022-07-12 15:29:49,887 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 15:29:49,891 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 15:29:50,009 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 15:30:00,790 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-12 15:30:07,738 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 15:30:07,764 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 15:30:07,764 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2022-07-12 15:30:07,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 03:30:07 BoogieIcfgContainer [2022-07-12 15:30:07,769 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 15:30:07,771 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 15:30:07,771 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 15:30:07,773 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 15:30:07,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 03:29:41" (1/3) ... [2022-07-12 15:30:07,774 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ad9d257 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 03:30:07, skipping insertion in model container [2022-07-12 15:30:07,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:29:47" (2/3) ... [2022-07-12 15:30:07,775 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ad9d257 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 03:30:07, skipping insertion in model container [2022-07-12 15:30:07,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 03:30:07" (3/3) ... [2022-07-12 15:30:07,776 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-marvell-sky2.cil.i [2022-07-12 15:30:07,786 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 15:30:07,786 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-07-12 15:30:07,883 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 15:30:07,888 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@6b72ea57, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4325f47f [2022-07-12 15:30:07,888 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-07-12 15:30:07,900 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) [2022-07-12 15:30:07,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2022-07-12 15:30:07,919 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:30:07,920 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] [2022-07-12 15:30:07,921 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] === [2022-07-12 15:30:07,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:30:07,924 INFO L85 PathProgramCache]: Analyzing trace with hash 1375877424, now seen corresponding path program 1 times [2022-07-12 15:30:07,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:30:07,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332258367] [2022-07-12 15:30:07,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:30:07,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:30:08,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:08,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:30:08,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:08,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:08,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:08,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:30:08,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:08,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:08,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:08,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:30:08,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:08,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:08,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:08,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:30:08,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:08,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:08,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:08,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:30:08,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:08,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:08,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:08,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:30:08,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:08,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:08,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:08,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:30:08,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:08,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:08,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:08,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 15:30:08,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:08,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:08,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:08,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 15:30:08,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:08,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:08,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:08,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 15:30:08,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:08,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:08,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:08,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 15:30:08,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:08,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:08,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:08,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 15:30:08,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:08,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:08,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:08,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 15:30:08,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:08,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:08,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:08,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 15:30:09,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:09,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:09,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:09,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 15:30:09,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:09,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:09,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:09,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 15:30:09,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:09,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:09,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:09,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 15:30:09,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:09,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:09,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:09,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 15:30:09,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:09,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:09,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:09,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 15:30:09,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:09,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:09,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:09,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 15:30:09,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:09,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:09,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:09,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 15:30:09,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:09,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:09,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:09,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 15:30:09,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:09,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:09,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:09,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 15:30:09,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:09,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:09,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:09,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 15:30:09,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:09,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:09,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:09,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 15:30:09,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:09,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:09,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:09,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 15:30:09,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:09,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:09,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:09,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 15:30:09,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:09,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:09,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:09,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 15:30:09,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:09,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:09,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:09,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 15:30:09,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:09,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:09,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:09,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 15:30:09,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:09,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:09,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:09,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 15:30:09,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:09,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:09,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:09,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 15:30:09,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:09,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:09,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:09,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-12 15:30:09,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:09,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2022-07-12 15:30:09,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:09,349 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2022-07-12 15:30:09,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:30:09,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332258367] [2022-07-12 15:30:09,350 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332258367] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:30:09,350 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:30:09,350 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 15:30:09,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735456785] [2022-07-12 15:30:09,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:30:09,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 15:30:09,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:30:09,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 15:30:09,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 15:30:09,384 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) [2022-07-12 15:30:23,420 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 [] [2022-07-12 15:30:25,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:30:25,449 INFO L93 Difference]: Finished difference Result 13640 states and 20140 transitions. [2022-07-12 15:30:25,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 15:30:25,457 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 [2022-07-12 15:30:25,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:30:25,534 INFO L225 Difference]: With dead ends: 13640 [2022-07-12 15:30:25,535 INFO L226 Difference]: Without dead ends: 9202 [2022-07-12 15:30:25,574 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 [2022-07-12 15:30:25,577 INFO L413 NwaCegarLoop]: 6566 mSDtfsCounter, 8047 mSDsluCounter, 6079 mSDsCounter, 0 mSdLazyCounter, 5284 mSolverCounterSat, 4100 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9183 SdHoareTripleChecker+Valid, 12645 SdHoareTripleChecker+Invalid, 9385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4100 IncrementalHoareTripleChecker+Valid, 5284 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.1s IncrementalHoareTripleChecker+Time [2022-07-12 15:30:25,578 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9183 Valid, 12645 Invalid, 9385 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4100 Valid, 5284 Invalid, 1 Unknown, 0 Unchecked, 15.1s Time] [2022-07-12 15:30:25,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9202 states. [2022-07-12 15:30:25,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9202 to 8662. [2022-07-12 15:30:25,990 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) [2022-07-12 15:30:26,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8662 states to 8662 states and 12270 transitions. [2022-07-12 15:30:26,052 INFO L78 Accepts]: Start accepts. Automaton has 8662 states and 12270 transitions. Word has length 381 [2022-07-12 15:30:26,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:30:26,057 INFO L495 AbstractCegarLoop]: Abstraction has 8662 states and 12270 transitions. [2022-07-12 15:30:26,057 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) [2022-07-12 15:30:26,057 INFO L276 IsEmpty]: Start isEmpty. Operand 8662 states and 12270 transitions. [2022-07-12 15:30:26,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2022-07-12 15:30:26,072 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:30:26,073 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] [2022-07-12 15:30:26,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 15:30:26,076 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] === [2022-07-12 15:30:26,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:30:26,077 INFO L85 PathProgramCache]: Analyzing trace with hash 974152498, now seen corresponding path program 1 times [2022-07-12 15:30:26,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:30:26,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230374418] [2022-07-12 15:30:26,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:30:26,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:30:26,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:26,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:30:26,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:26,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:26,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:26,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:30:26,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:26,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:26,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:26,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:30:26,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:26,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:26,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:26,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:30:26,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:26,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:26,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:26,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:30:26,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:26,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:26,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:26,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:30:26,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:26,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:26,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:26,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:30:26,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:26,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:26,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:26,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 15:30:26,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:26,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:26,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:26,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 15:30:26,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:26,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:26,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:26,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 15:30:26,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:26,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:26,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:26,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 15:30:26,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:26,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:26,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:26,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 15:30:26,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:26,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:26,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:26,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 15:30:26,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:26,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:26,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:26,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 15:30:26,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:26,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:26,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:26,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 15:30:26,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:26,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:26,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:26,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 15:30:26,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:26,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:26,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:26,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 15:30:26,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:26,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:26,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:26,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 15:30:26,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:26,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:26,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:26,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 15:30:26,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:26,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:26,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:26,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 15:30:26,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:26,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:26,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:26,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 15:30:26,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:26,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:26,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:26,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 15:30:26,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:26,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:26,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:26,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 15:30:26,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:26,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:26,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:26,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 15:30:26,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:26,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:26,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:26,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 15:30:26,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:26,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:26,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:26,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 15:30:26,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:27,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:27,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:27,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 15:30:27,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:27,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:27,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:27,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 15:30:27,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:27,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:27,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:27,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 15:30:27,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:27,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:27,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:27,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 15:30:27,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:27,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:27,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:27,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 15:30:27,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:27,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:27,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:27,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 15:30:27,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:27,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:27,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:27,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-12 15:30:27,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:27,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-07-12 15:30:27,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:27,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-07-12 15:30:27,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:27,138 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2022-07-12 15:30:27,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:30:27,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230374418] [2022-07-12 15:30:27,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230374418] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:30:27,140 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:30:27,140 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 15:30:27,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068983083] [2022-07-12 15:30:27,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:30:27,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 15:30:27,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:30:27,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 15:30:27,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 15:30:27,144 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) [2022-07-12 15:30:41,935 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 [] [2022-07-12 15:30:43,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:30:43,329 INFO L93 Difference]: Finished difference Result 21627 states and 30828 transitions. [2022-07-12 15:30:43,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 15:30:43,331 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 [2022-07-12 15:30:43,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:30:43,407 INFO L225 Difference]: With dead ends: 21627 [2022-07-12 15:30:43,407 INFO L226 Difference]: Without dead ends: 13034 [2022-07-12 15:30:43,444 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 [2022-07-12 15:30:43,445 INFO L413 NwaCegarLoop]: 6503 mSDtfsCounter, 7535 mSDsluCounter, 6105 mSDsCounter, 0 mSdLazyCounter, 5214 mSolverCounterSat, 3980 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8585 SdHoareTripleChecker+Valid, 12608 SdHoareTripleChecker+Invalid, 9195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3980 IncrementalHoareTripleChecker+Valid, 5214 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.3s IncrementalHoareTripleChecker+Time [2022-07-12 15:30:43,446 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8585 Valid, 12608 Invalid, 9195 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3980 Valid, 5214 Invalid, 1 Unknown, 0 Unchecked, 15.3s Time] [2022-07-12 15:30:43,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13034 states. [2022-07-12 15:30:43,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13034 to 12228. [2022-07-12 15:30:43,827 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) [2022-07-12 15:30:43,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12228 states to 12228 states and 17265 transitions. [2022-07-12 15:30:43,874 INFO L78 Accepts]: Start accepts. Automaton has 12228 states and 17265 transitions. Word has length 402 [2022-07-12 15:30:43,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:30:43,877 INFO L495 AbstractCegarLoop]: Abstraction has 12228 states and 17265 transitions. [2022-07-12 15:30:43,877 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) [2022-07-12 15:30:43,877 INFO L276 IsEmpty]: Start isEmpty. Operand 12228 states and 17265 transitions. [2022-07-12 15:30:43,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2022-07-12 15:30:43,885 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:30:43,885 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] [2022-07-12 15:30:43,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 15:30:43,886 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] === [2022-07-12 15:30:43,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:30:43,886 INFO L85 PathProgramCache]: Analyzing trace with hash -1668387570, now seen corresponding path program 1 times [2022-07-12 15:30:43,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:30:43,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830570280] [2022-07-12 15:30:43,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:30:43,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:30:44,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:30:44,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:44,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:30:44,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:44,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:30:44,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:44,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:30:44,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:44,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:30:44,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:44,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:30:44,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:44,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:30:44,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:44,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 15:30:44,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:44,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 15:30:44,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:44,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 15:30:44,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:44,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 15:30:44,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:44,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 15:30:44,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:44,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 15:30:44,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:44,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 15:30:44,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:44,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 15:30:44,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:44,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 15:30:44,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:44,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 15:30:44,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:44,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 15:30:44,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:44,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 15:30:44,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:44,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 15:30:44,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:44,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 15:30:44,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:44,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 15:30:44,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:44,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 15:30:44,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:44,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 15:30:44,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:44,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 15:30:44,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:44,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 15:30:44,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:44,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 15:30:44,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:44,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 15:30:44,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:44,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 15:30:44,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:44,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 15:30:44,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:44,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 15:30:44,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:44,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 15:30:44,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:44,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-12 15:30:44,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-07-12 15:30:44,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:30:44,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 15:30:44,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 15:30:44,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-07-12 15:30:44,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:44,684 INFO L134 CoverageAnalysis]: Checked inductivity of 4564 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4564 trivial. 0 not checked. [2022-07-12 15:30:44,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:30:44,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830570280] [2022-07-12 15:30:44,685 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830570280] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:30:44,685 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:30:44,685 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 15:30:44,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78774780] [2022-07-12 15:30:44,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:30:44,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 15:30:44,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:30:44,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 15:30:44,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 15:30:44,688 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) [2022-07-12 15:30:59,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:30:59,873 INFO L93 Difference]: Finished difference Result 33833 states and 48121 transitions. [2022-07-12 15:30:59,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 15:30:59,873 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 [2022-07-12 15:30:59,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:31:00,021 INFO L225 Difference]: With dead ends: 33833 [2022-07-12 15:31:00,021 INFO L226 Difference]: Without dead ends: 21674 [2022-07-12 15:31:00,084 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 [2022-07-12 15:31:00,087 INFO L413 NwaCegarLoop]: 6547 mSDtfsCounter, 7989 mSDsluCounter, 6107 mSDsCounter, 0 mSdLazyCounter, 5300 mSolverCounterSat, 4098 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9118 SdHoareTripleChecker+Valid, 12654 SdHoareTripleChecker+Invalid, 9398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4098 IncrementalHoareTripleChecker+Valid, 5300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.2s IncrementalHoareTripleChecker+Time [2022-07-12 15:31:00,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9118 Valid, 12654 Invalid, 9398 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4098 Valid, 5300 Invalid, 0 Unknown, 0 Unchecked, 14.2s Time] [2022-07-12 15:31:00,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21674 states. [2022-07-12 15:31:00,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21674 to 20328. [2022-07-12 15:31:00,844 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) [2022-07-12 15:31:00,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20328 states to 20328 states and 28678 transitions. [2022-07-12 15:31:00,936 INFO L78 Accepts]: Start accepts. Automaton has 20328 states and 28678 transitions. Word has length 415 [2022-07-12 15:31:00,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:31:00,937 INFO L495 AbstractCegarLoop]: Abstraction has 20328 states and 28678 transitions. [2022-07-12 15:31:00,937 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) [2022-07-12 15:31:00,937 INFO L276 IsEmpty]: Start isEmpty. Operand 20328 states and 28678 transitions. [2022-07-12 15:31:00,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2022-07-12 15:31:00,951 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:31:00,952 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] [2022-07-12 15:31:00,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 15:31:00,952 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] === [2022-07-12 15:31:00,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:31:00,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1642271361, now seen corresponding path program 1 times [2022-07-12 15:31:00,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:31:00,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399340463] [2022-07-12 15:31:00,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:31:00,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:31:01,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:31:01,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:01,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:31:01,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:01,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:31:01,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:01,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:31:01,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:01,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:31:01,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:01,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:31:01,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:01,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:31:01,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:01,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 15:31:01,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:01,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 15:31:01,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:01,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 15:31:01,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:01,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 15:31:01,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:01,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 15:31:01,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:01,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 15:31:01,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:01,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 15:31:01,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:01,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 15:31:01,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:01,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 15:31:01,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:01,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 15:31:01,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:01,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 15:31:01,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:01,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 15:31:01,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:01,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 15:31:01,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:01,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 15:31:01,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:01,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 15:31:01,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:01,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 15:31:01,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:01,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 15:31:01,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:01,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 15:31:01,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:01,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 15:31:01,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:01,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 15:31:01,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:01,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 15:31:01,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:01,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 15:31:01,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:01,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 15:31:01,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:01,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 15:31:01,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:01,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 15:31:01,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:01,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-12 15:31:01,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-12 15:31:01,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-12 15:31:01,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:01,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-12 15:31:01,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-12 15:31:01,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-12 15:31:01,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:01,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-07-12 15:31:01,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-07-12 15:31:01,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2022-07-12 15:31:01,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:01,895 INFO L134 CoverageAnalysis]: Checked inductivity of 5202 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5190 trivial. 0 not checked. [2022-07-12 15:31:01,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:31:01,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399340463] [2022-07-12 15:31:01,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399340463] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:31:01,896 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:31:01,896 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 15:31:01,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289634732] [2022-07-12 15:31:01,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:31:01,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 15:31:01,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:31:01,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 15:31:01,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 15:31:01,898 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) [2022-07-12 15:31:14,369 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 [] [2022-07-12 15:31:17,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:31:17,560 INFO L93 Difference]: Finished difference Result 55294 states and 78672 transitions. [2022-07-12 15:31:17,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 15:31:17,561 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 [2022-07-12 15:31:17,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:31:17,826 INFO L225 Difference]: With dead ends: 55294 [2022-07-12 15:31:17,827 INFO L226 Difference]: Without dead ends: 38782 [2022-07-12 15:31:17,931 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 [2022-07-12 15:31:17,933 INFO L413 NwaCegarLoop]: 11001 mSDtfsCounter, 6425 mSDsluCounter, 8155 mSDsCounter, 0 mSdLazyCounter, 5302 mSolverCounterSat, 2935 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7548 SdHoareTripleChecker+Valid, 19156 SdHoareTripleChecker+Invalid, 8238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2935 IncrementalHoareTripleChecker+Valid, 5302 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2022-07-12 15:31:17,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7548 Valid, 19156 Invalid, 8238 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2935 Valid, 5302 Invalid, 1 Unknown, 0 Unchecked, 14.5s Time] [2022-07-12 15:31:17,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38782 states. [2022-07-12 15:31:19,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38782 to 36383. [2022-07-12 15:31:19,188 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) [2022-07-12 15:31:19,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36383 states to 36383 states and 51347 transitions. [2022-07-12 15:31:19,383 INFO L78 Accepts]: Start accepts. Automaton has 36383 states and 51347 transitions. Word has length 453 [2022-07-12 15:31:19,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:31:19,384 INFO L495 AbstractCegarLoop]: Abstraction has 36383 states and 51347 transitions. [2022-07-12 15:31:19,384 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) [2022-07-12 15:31:19,384 INFO L276 IsEmpty]: Start isEmpty. Operand 36383 states and 51347 transitions. [2022-07-12 15:31:19,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2022-07-12 15:31:19,399 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:31:19,399 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] [2022-07-12 15:31:19,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-12 15:31:19,400 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] === [2022-07-12 15:31:19,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:31:19,400 INFO L85 PathProgramCache]: Analyzing trace with hash 1704310975, now seen corresponding path program 1 times [2022-07-12 15:31:19,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:31:19,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939816603] [2022-07-12 15:31:19,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:31:19,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:31:19,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:19,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:31:19,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:19,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:19,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:19,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:31:19,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:19,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:19,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:19,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:31:19,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:19,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:19,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:19,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:31:19,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:19,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:19,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:19,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:31:19,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:19,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:19,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:19,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:31:19,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:19,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:19,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:19,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:31:19,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:19,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:19,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:19,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 15:31:19,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:19,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:19,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:19,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 15:31:19,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:19,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:19,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:19,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 15:31:19,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:20,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:20,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:20,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 15:31:20,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:20,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:20,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:20,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 15:31:20,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:20,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:20,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:20,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 15:31:20,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:20,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:20,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:20,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 15:31:20,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:20,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:20,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:20,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 15:31:20,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:20,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:20,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:20,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 15:31:20,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:20,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:20,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:20,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 15:31:20,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:20,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:20,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:20,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 15:31:20,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:20,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:20,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:20,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 15:31:20,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:20,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:20,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:20,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 15:31:20,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:20,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:20,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:20,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 15:31:20,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:20,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:20,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:20,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 15:31:20,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:20,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:20,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:20,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 15:31:20,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:20,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:20,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:20,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 15:31:20,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:20,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:20,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:20,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 15:31:20,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:20,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:20,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:20,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 15:31:20,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:20,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:20,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:20,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 15:31:20,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:20,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:20,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:20,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 15:31:20,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:20,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:20,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:20,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 15:31:20,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:20,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:20,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:20,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 15:31:20,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:20,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:20,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:20,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 15:31:20,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:20,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:20,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:20,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 15:31:20,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:20,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:20,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:20,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-12 15:31:20,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:20,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-12 15:31:20,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:20,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-12 15:31:20,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:20,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:20,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:20,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-12 15:31:20,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:20,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-12 15:31:20,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:20,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-12 15:31:20,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:20,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:20,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:20,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-07-12 15:31:20,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:20,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-07-12 15:31:20,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:20,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2022-07-12 15:31:20,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:20,645 INFO L134 CoverageAnalysis]: Checked inductivity of 5202 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5202 trivial. 0 not checked. [2022-07-12 15:31:20,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:31:20,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939816603] [2022-07-12 15:31:20,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939816603] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:31:20,646 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:31:20,646 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 15:31:20,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272042454] [2022-07-12 15:31:20,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:31:20,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 15:31:20,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:31:20,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 15:31:20,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 15:31:20,649 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) [2022-07-12 15:31:32,122 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 [] [2022-07-12 15:31:33,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:31:33,684 INFO L93 Difference]: Finished difference Result 38780 states and 55351 transitions. [2022-07-12 15:31:33,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 15:31:33,686 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 [2022-07-12 15:31:33,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:31:33,884 INFO L225 Difference]: With dead ends: 38780 [2022-07-12 15:31:33,885 INFO L226 Difference]: Without dead ends: 38703 [2022-07-12 15:31:33,915 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 [2022-07-12 15:31:33,917 INFO L413 NwaCegarLoop]: 5802 mSDtfsCounter, 6502 mSDsluCounter, 6067 mSDsCounter, 0 mSdLazyCounter, 4052 mSolverCounterSat, 2826 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7155 SdHoareTripleChecker+Valid, 11869 SdHoareTripleChecker+Invalid, 6879 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2826 IncrementalHoareTripleChecker+Valid, 4052 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2022-07-12 15:31:33,918 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7155 Valid, 11869 Invalid, 6879 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2826 Valid, 4052 Invalid, 1 Unknown, 0 Unchecked, 11.8s Time] [2022-07-12 15:31:33,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38703 states. [2022-07-12 15:31:35,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38703 to 36306. [2022-07-12 15:31:35,181 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) [2022-07-12 15:31:35,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36306 states to 36306 states and 51231 transitions. [2022-07-12 15:31:35,544 INFO L78 Accepts]: Start accepts. Automaton has 36306 states and 51231 transitions. Word has length 453 [2022-07-12 15:31:35,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:31:35,545 INFO L495 AbstractCegarLoop]: Abstraction has 36306 states and 51231 transitions. [2022-07-12 15:31:35,545 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) [2022-07-12 15:31:35,546 INFO L276 IsEmpty]: Start isEmpty. Operand 36306 states and 51231 transitions. [2022-07-12 15:31:35,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2022-07-12 15:31:35,592 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:31:35,593 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] [2022-07-12 15:31:35,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-12 15:31:35,593 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] === [2022-07-12 15:31:35,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:31:35,594 INFO L85 PathProgramCache]: Analyzing trace with hash -1413689594, now seen corresponding path program 1 times [2022-07-12 15:31:35,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:31:35,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846006070] [2022-07-12 15:31:35,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:31:35,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:31:35,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:35,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:31:35,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:35,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:35,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:35,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:31:35,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:35,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:35,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:35,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:31:35,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:35,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:35,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:35,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:31:35,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:35,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:35,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:35,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:31:35,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:35,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:35,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:35,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:31:35,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:35,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:35,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:35,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:31:35,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:35,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:35,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:35,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 15:31:35,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:35,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:35,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:35,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 15:31:35,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:35,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:35,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:35,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 15:31:35,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:36,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:36,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:36,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 15:31:36,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:36,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:36,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:36,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 15:31:36,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:36,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:36,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:36,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 15:31:36,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:36,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:36,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:36,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 15:31:36,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:36,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:36,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:36,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 15:31:36,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:36,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:36,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:36,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 15:31:36,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:36,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:36,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:36,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 15:31:36,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:36,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:36,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:36,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 15:31:36,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:36,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:36,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:36,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 15:31:36,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:36,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:36,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:36,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 15:31:36,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:36,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:36,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:36,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 15:31:36,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:36,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:36,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:36,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 15:31:36,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:36,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:36,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:36,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 15:31:36,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:36,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:36,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:36,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 15:31:36,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:36,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:36,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:36,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 15:31:36,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:36,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:36,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:36,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 15:31:36,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:36,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:36,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:36,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 15:31:36,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:36,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:36,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:36,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 15:31:36,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:36,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:36,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:36,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 15:31:36,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:36,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:36,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:36,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 15:31:36,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:36,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:36,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:36,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 15:31:36,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:36,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:36,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:36,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 15:31:36,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:36,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:36,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:36,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-12 15:31:36,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:36,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-12 15:31:36,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:36,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-12 15:31:36,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:36,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:36,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:36,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-12 15:31:36,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:36,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-12 15:31:36,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:36,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-07-12 15:31:36,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:36,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2022-07-12 15:31:36,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:36,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:36,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:36,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-07-12 15:31:36,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:36,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2022-07-12 15:31:36,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:36,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2022-07-12 15:31:36,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:36,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2022-07-12 15:31:36,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:36,414 INFO L134 CoverageAnalysis]: Checked inductivity of 5209 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5206 trivial. 0 not checked. [2022-07-12 15:31:36,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:31:36,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846006070] [2022-07-12 15:31:36,415 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846006070] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:31:36,415 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:31:36,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 15:31:36,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341679394] [2022-07-12 15:31:36,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:31:36,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 15:31:36,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:31:36,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 15:31:36,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 15:31:36,416 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) [2022-07-12 15:31:49,040 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 [] [2022-07-12 15:31:50,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:31:50,996 INFO L93 Difference]: Finished difference Result 87691 states and 124619 transitions. [2022-07-12 15:31:50,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 15:31:50,997 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 [2022-07-12 15:31:50,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:31:51,325 INFO L225 Difference]: With dead ends: 87691 [2022-07-12 15:31:51,325 INFO L226 Difference]: Without dead ends: 55201 [2022-07-12 15:31:51,473 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 [2022-07-12 15:31:51,473 INFO L413 NwaCegarLoop]: 10734 mSDtfsCounter, 5958 mSDsluCounter, 8007 mSDsCounter, 0 mSdLazyCounter, 5221 mSolverCounterSat, 2847 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7003 SdHoareTripleChecker+Valid, 18741 SdHoareTripleChecker+Invalid, 8069 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2847 IncrementalHoareTripleChecker+Valid, 5221 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2022-07-12 15:31:51,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7003 Valid, 18741 Invalid, 8069 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2847 Valid, 5221 Invalid, 1 Unknown, 0 Unchecked, 12.5s Time] [2022-07-12 15:31:51,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55201 states. [2022-07-12 15:31:52,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55201 to 51744. [2022-07-12 15:31:53,008 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) [2022-07-12 15:31:53,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51744 states to 51744 states and 72967 transitions. [2022-07-12 15:31:53,490 INFO L78 Accepts]: Start accepts. Automaton has 51744 states and 72967 transitions. Word has length 482 [2022-07-12 15:31:53,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:31:53,491 INFO L495 AbstractCegarLoop]: Abstraction has 51744 states and 72967 transitions. [2022-07-12 15:31:53,492 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) [2022-07-12 15:31:53,492 INFO L276 IsEmpty]: Start isEmpty. Operand 51744 states and 72967 transitions. [2022-07-12 15:31:53,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 510 [2022-07-12 15:31:53,762 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:31:53,762 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] [2022-07-12 15:31:53,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-12 15:31:53,763 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] === [2022-07-12 15:31:53,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:31:53,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1557846666, now seen corresponding path program 1 times [2022-07-12 15:31:53,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:31:53,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483363565] [2022-07-12 15:31:53,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:31:53,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:31:53,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:31:54,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:54,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:31:54,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:54,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:31:54,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:54,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:31:54,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:54,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:31:54,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:54,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:31:54,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:54,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:31:54,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:54,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 15:31:54,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:54,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 15:31:54,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:54,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 15:31:54,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:54,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 15:31:54,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:54,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 15:31:54,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:54,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 15:31:54,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:54,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 15:31:54,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:54,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 15:31:54,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:54,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 15:31:54,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:54,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 15:31:54,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:54,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 15:31:54,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:54,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 15:31:54,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:54,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 15:31:54,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:54,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 15:31:54,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:54,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 15:31:54,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:54,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 15:31:54,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:54,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 15:31:54,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:54,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 15:31:54,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:54,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 15:31:54,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:54,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 15:31:54,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:54,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 15:31:54,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:54,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 15:31:54,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:54,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 15:31:54,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:54,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 15:31:54,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:54,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 15:31:54,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:54,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-12 15:31:54,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-12 15:31:54,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-12 15:31:54,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:54,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-12 15:31:54,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-12 15:31:54,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-12 15:31:54,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:54,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-07-12 15:31:54,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-07-12 15:31:54,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2022-07-12 15:31:54,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2022-07-12 15:31:54,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2022-07-12 15:31:54,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:31:54,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 15:31:54,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 15:31:54,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2022-07-12 15:31:54,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:54,654 INFO L134 CoverageAnalysis]: Checked inductivity of 5354 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 5337 trivial. 0 not checked. [2022-07-12 15:31:54,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:31:54,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483363565] [2022-07-12 15:31:54,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483363565] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:31:54,655 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:31:54,655 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 15:31:54,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962800010] [2022-07-12 15:31:54,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:31:54,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 15:31:54,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:31:54,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 15:31:54,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 15:31:54,657 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) [2022-07-12 15:32:08,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:32:08,062 INFO L93 Difference]: Finished difference Result 128404 states and 182375 transitions. [2022-07-12 15:32:08,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 15:32:08,063 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 [2022-07-12 15:32:08,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:32:08,566 INFO L225 Difference]: With dead ends: 128404 [2022-07-12 15:32:08,567 INFO L226 Difference]: Without dead ends: 76386 [2022-07-12 15:32:08,740 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 [2022-07-12 15:32:08,741 INFO L413 NwaCegarLoop]: 11346 mSDtfsCounter, 6362 mSDsluCounter, 8397 mSDsCounter, 0 mSdLazyCounter, 5280 mSolverCounterSat, 2834 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7480 SdHoareTripleChecker+Valid, 19743 SdHoareTripleChecker+Invalid, 8114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2834 IncrementalHoareTripleChecker+Valid, 5280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2022-07-12 15:32:08,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7480 Valid, 19743 Invalid, 8114 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2834 Valid, 5280 Invalid, 0 Unknown, 0 Unchecked, 10.7s Time] [2022-07-12 15:32:08,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76386 states. [2022-07-12 15:32:11,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76386 to 71604. [2022-07-12 15:32:11,151 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) [2022-07-12 15:32:11,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71604 states to 71604 states and 101007 transitions. [2022-07-12 15:32:11,709 INFO L78 Accepts]: Start accepts. Automaton has 71604 states and 101007 transitions. Word has length 509 [2022-07-12 15:32:11,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:32:11,710 INFO L495 AbstractCegarLoop]: Abstraction has 71604 states and 101007 transitions. [2022-07-12 15:32:11,710 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) [2022-07-12 15:32:11,710 INFO L276 IsEmpty]: Start isEmpty. Operand 71604 states and 101007 transitions. [2022-07-12 15:32:11,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 536 [2022-07-12 15:32:11,780 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:32:11,781 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] [2022-07-12 15:32:11,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-12 15:32:11,781 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] === [2022-07-12 15:32:11,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:32:11,781 INFO L85 PathProgramCache]: Analyzing trace with hash -1323562556, now seen corresponding path program 1 times [2022-07-12 15:32:11,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:32:11,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381386335] [2022-07-12 15:32:11,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:32:11,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:32:12,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:32:12,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:12,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:32:12,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:12,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:32:12,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:12,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:32:12,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:12,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:32:12,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:12,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:32:12,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:12,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:32:12,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:12,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 15:32:12,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:12,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 15:32:12,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:12,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 15:32:12,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:12,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 15:32:12,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:12,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 15:32:12,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:12,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 15:32:12,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:12,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 15:32:12,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:12,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 15:32:12,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:12,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 15:32:12,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:12,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 15:32:12,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:12,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 15:32:12,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:12,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 15:32:12,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:12,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 15:32:12,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:12,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 15:32:12,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:12,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 15:32:12,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:12,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 15:32:12,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:12,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 15:32:12,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:12,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 15:32:12,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:12,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 15:32:12,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:12,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 15:32:12,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:12,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 15:32:12,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:12,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 15:32:12,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:12,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 15:32:12,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:12,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 15:32:12,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:12,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 15:32:12,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:12,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-12 15:32:12,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-12 15:32:12,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-12 15:32:12,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:12,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-12 15:32:12,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-12 15:32:12,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-12 15:32:12,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:12,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-07-12 15:32:12,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-07-12 15:32:12,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2022-07-12 15:32:12,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-07-12 15:32:12,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2022-07-12 15:32:12,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2022-07-12 15:32:12,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2022-07-12 15:32:12,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2022-07-12 15:32:12,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:12,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 15:32:12,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 15:32:12,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2022-07-12 15:32:12,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,825 INFO L134 CoverageAnalysis]: Checked inductivity of 5635 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 5603 trivial. 0 not checked. [2022-07-12 15:32:12,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:32:12,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381386335] [2022-07-12 15:32:12,826 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381386335] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:32:12,826 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:32:12,826 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 15:32:12,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453711210] [2022-07-12 15:32:12,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:32:12,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 15:32:12,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:32:12,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 15:32:12,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 15:32:12,828 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) [2022-07-12 15:32:26,572 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 [] [2022-07-12 15:32:29,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:32:29,020 INFO L93 Difference]: Finished difference Result 169415 states and 240590 transitions. [2022-07-12 15:32:29,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 15:32:29,032 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 [2022-07-12 15:32:29,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:32:29,597 INFO L225 Difference]: With dead ends: 169415 [2022-07-12 15:32:29,597 INFO L226 Difference]: Without dead ends: 97573 [2022-07-12 15:32:29,821 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 [2022-07-12 15:32:29,822 INFO L413 NwaCegarLoop]: 11344 mSDtfsCounter, 6361 mSDsluCounter, 8397 mSDsCounter, 0 mSdLazyCounter, 5267 mSolverCounterSat, 2830 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7477 SdHoareTripleChecker+Valid, 19741 SdHoareTripleChecker+Invalid, 8098 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2830 IncrementalHoareTripleChecker+Valid, 5267 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2022-07-12 15:32:29,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7477 Valid, 19741 Invalid, 8098 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2830 Valid, 5267 Invalid, 1 Unknown, 0 Unchecked, 12.9s Time] [2022-07-12 15:32:29,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97573 states. [2022-07-12 15:32:32,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97573 to 71604. [2022-07-12 15:32:32,615 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) [2022-07-12 15:32:33,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71604 states to 71604 states and 101006 transitions. [2022-07-12 15:32:33,102 INFO L78 Accepts]: Start accepts. Automaton has 71604 states and 101006 transitions. Word has length 535 [2022-07-12 15:32:33,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:32:33,103 INFO L495 AbstractCegarLoop]: Abstraction has 71604 states and 101006 transitions. [2022-07-12 15:32:33,103 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) [2022-07-12 15:32:33,103 INFO L276 IsEmpty]: Start isEmpty. Operand 71604 states and 101006 transitions. [2022-07-12 15:32:33,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 536 [2022-07-12 15:32:33,167 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:32:33,167 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] [2022-07-12 15:32:33,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-12 15:32:33,167 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] === [2022-07-12 15:32:33,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:32:33,168 INFO L85 PathProgramCache]: Analyzing trace with hash 243195394, now seen corresponding path program 1 times [2022-07-12 15:32:33,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:32:33,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708737830] [2022-07-12 15:32:33,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:32:33,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:32:33,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:33,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:32:33,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:33,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:33,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:33,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:32:33,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:33,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:33,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:33,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:32:33,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:33,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:33,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:33,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:32:33,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:33,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:33,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:33,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:32:33,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:33,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:33,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:33,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:32:33,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:33,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:33,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:33,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:32:33,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:33,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:33,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:33,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 15:32:33,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:33,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:33,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:33,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 15:32:33,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:33,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:33,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:33,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 15:32:33,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:33,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:33,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:33,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 15:32:33,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:33,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:33,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:33,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 15:32:33,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:33,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:33,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:33,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 15:32:33,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:33,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:33,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:33,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 15:32:33,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:33,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:33,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:33,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 15:32:33,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:33,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:33,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:33,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 15:32:33,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:33,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:33,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:33,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 15:32:33,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:33,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:33,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:33,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 15:32:33,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:33,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:33,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:33,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 15:32:33,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:33,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:33,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:33,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 15:32:33,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:33,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:33,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:33,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 15:32:33,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:33,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:33,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:33,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 15:32:33,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:33,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:33,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:33,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 15:32:33,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:33,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:33,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:33,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 15:32:33,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:33,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:33,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:33,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 15:32:33,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:33,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:33,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:33,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 15:32:33,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:33,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:33,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:33,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 15:32:33,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:33,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:33,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:33,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 15:32:33,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:33,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:33,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:33,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 15:32:33,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:33,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:33,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:33,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 15:32:34,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:34,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:34,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:34,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 15:32:34,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:34,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:34,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:34,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 15:32:34,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:34,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:34,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:34,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-12 15:32:34,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:34,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-12 15:32:34,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:34,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-12 15:32:34,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:34,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:34,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:34,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-12 15:32:34,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:34,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-12 15:32:34,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:34,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-12 15:32:34,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:34,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:34,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:34,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-07-12 15:32:34,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:34,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-07-12 15:32:34,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:34,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2022-07-12 15:32:34,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:34,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-07-12 15:32:34,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:34,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2022-07-12 15:32:34,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:34,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2022-07-12 15:32:34,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:34,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2022-07-12 15:32:34,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:34,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2022-07-12 15:32:34,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:34,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:34,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:34,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 15:32:34,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:34,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 15:32:34,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:34,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2022-07-12 15:32:34,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:34,198 INFO L134 CoverageAnalysis]: Checked inductivity of 5635 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5624 trivial. 0 not checked. [2022-07-12 15:32:34,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:32:34,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708737830] [2022-07-12 15:32:34,198 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708737830] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:32:34,199 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:32:34,199 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 15:32:34,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939632866] [2022-07-12 15:32:34,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:32:34,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 15:32:34,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:32:34,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 15:32:34,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 15:32:34,201 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) [2022-07-12 15:32:50,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:32:50,192 INFO L93 Difference]: Finished difference Result 182001 states and 258550 transitions. [2022-07-12 15:32:50,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 15:32:50,193 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 [2022-07-12 15:32:50,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:32:51,117 INFO L225 Difference]: With dead ends: 182001 [2022-07-12 15:32:51,117 INFO L226 Difference]: Without dead ends: 114213 [2022-07-12 15:32:51,410 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 [2022-07-12 15:32:51,410 INFO L413 NwaCegarLoop]: 11338 mSDtfsCounter, 6337 mSDsluCounter, 8372 mSDsCounter, 0 mSdLazyCounter, 5304 mSolverCounterSat, 2835 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7459 SdHoareTripleChecker+Valid, 19710 SdHoareTripleChecker+Invalid, 8139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2835 IncrementalHoareTripleChecker+Valid, 5304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.1s IncrementalHoareTripleChecker+Time [2022-07-12 15:32:51,411 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7459 Valid, 19710 Invalid, 8139 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2835 Valid, 5304 Invalid, 0 Unknown, 0 Unchecked, 12.1s Time] [2022-07-12 15:32:51,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114213 states. [2022-07-12 15:32:55,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114213 to 107034. [2022-07-12 15:32:55,407 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) [2022-07-12 15:32:56,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107034 states to 107034 states and 150950 transitions. [2022-07-12 15:32:56,297 INFO L78 Accepts]: Start accepts. Automaton has 107034 states and 150950 transitions. Word has length 535 [2022-07-12 15:32:56,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:32:56,298 INFO L495 AbstractCegarLoop]: Abstraction has 107034 states and 150950 transitions. [2022-07-12 15:32:56,298 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) [2022-07-12 15:32:56,299 INFO L276 IsEmpty]: Start isEmpty. Operand 107034 states and 150950 transitions. [2022-07-12 15:32:56,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 559 [2022-07-12 15:32:56,402 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:32:56,403 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] [2022-07-12 15:32:56,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-12 15:32:56,403 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] === [2022-07-12 15:32:56,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:32:56,404 INFO L85 PathProgramCache]: Analyzing trace with hash -1864831137, now seen corresponding path program 1 times [2022-07-12 15:32:56,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:32:56,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656430403] [2022-07-12 15:32:56,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:32:56,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:32:56,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:56,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:32:56,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:56,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:56,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:56,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:32:56,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:56,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:56,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:56,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:32:56,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:56,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:56,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:56,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:32:56,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:56,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:56,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:56,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:32:56,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:56,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:56,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:56,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:32:56,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:56,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:56,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:56,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:32:56,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:57,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 15:32:57,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:57,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 15:32:57,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:57,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 15:32:57,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:57,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 15:32:57,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:57,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 15:32:57,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:57,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 15:32:57,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:57,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 15:32:57,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:57,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 15:32:57,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:57,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 15:32:57,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:57,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 15:32:57,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:57,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 15:32:57,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:57,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 15:32:57,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:57,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 15:32:57,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:57,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 15:32:57,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:57,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 15:32:57,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:57,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 15:32:57,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:57,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 15:32:57,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:57,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 15:32:57,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:57,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 15:32:57,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:57,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 15:32:57,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:57,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 15:32:57,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:57,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 15:32:57,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:57,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 15:32:57,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:57,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 15:32:57,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:57,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 15:32:57,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:57,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-12 15:32:57,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-12 15:32:57,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-12 15:32:57,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:57,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-12 15:32:57,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-12 15:32:57,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-07-12 15:32:57,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2022-07-12 15:32:57,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:57,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-07-12 15:32:57,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2022-07-12 15:32:57,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2022-07-12 15:32:57,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:57,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 15:32:57,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 15:32:57,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2022-07-12 15:32:57,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:32:57,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 15:32:57,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 15:32:57,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2022-07-12 15:32:57,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-07-12 15:32:57,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2022-07-12 15:32:57,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2022-07-12 15:32:57,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:57,531 INFO L134 CoverageAnalysis]: Checked inductivity of 5575 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 5549 trivial. 0 not checked. [2022-07-12 15:32:57,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:32:57,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656430403] [2022-07-12 15:32:57,532 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656430403] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:32:57,532 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:32:57,532 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 15:32:57,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285564590] [2022-07-12 15:32:57,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:32:57,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 15:32:57,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:32:57,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 15:32:57,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 15:32:57,534 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) [2022-07-12 15:33:15,188 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 [] [2022-07-12 15:33:18,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:33:18,865 INFO L93 Difference]: Finished difference Result 253980 states and 360568 transitions. [2022-07-12 15:33:18,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 15:33:18,866 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 [2022-07-12 15:33:18,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:33:19,999 INFO L225 Difference]: With dead ends: 253980 [2022-07-12 15:33:19,999 INFO L226 Difference]: Without dead ends: 146761 [2022-07-12 15:33:20,496 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 15:33:20,497 INFO L413 NwaCegarLoop]: 10831 mSDtfsCounter, 5918 mSDsluCounter, 8088 mSDsCounter, 0 mSdLazyCounter, 5205 mSolverCounterSat, 2791 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6966 SdHoareTripleChecker+Valid, 18919 SdHoareTripleChecker+Invalid, 7997 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2791 IncrementalHoareTripleChecker+Valid, 5205 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.7s IncrementalHoareTripleChecker+Time [2022-07-12 15:33:20,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6966 Valid, 18919 Invalid, 7997 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2791 Valid, 5205 Invalid, 1 Unknown, 0 Unchecked, 15.7s Time] [2022-07-12 15:33:20,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146761 states.