./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-natsemi-natsemi.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 28669211a2ef49b5efd7443ec92409c5f49218a96d1252c934deb7757bde86cd --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 15:47:15,184 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 15:47:15,186 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 15:47:15,222 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 15:47:15,223 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 15:47:15,226 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 15:47:15,228 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 15:47:15,234 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 15:47:15,237 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 15:47:15,242 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 15:47:15,243 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 15:47:15,245 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 15:47:15,245 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 15:47:15,248 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 15:47:15,251 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 15:47:15,255 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 15:47:15,256 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 15:47:15,257 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 15:47:15,259 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 15:47:15,263 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 15:47:15,266 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 15:47:15,268 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 15:47:15,269 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 15:47:15,270 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 15:47:15,275 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 15:47:15,275 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 15:47:15,276 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 15:47:15,278 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 15:47:15,278 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 15:47:15,279 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 15:47:15,280 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 15:47:15,281 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 15:47:15,282 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 15:47:15,283 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 15:47:15,285 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 15:47:15,285 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 15:47:15,285 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 15:47:15,286 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 15:47:15,286 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 15:47:15,287 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 15:47:15,287 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 15:47:15,289 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 15:47:15,326 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 15:47:15,328 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 15:47:15,329 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 15:47:15,329 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 15:47:15,330 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 15:47:15,330 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 15:47:15,331 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 15:47:15,331 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 15:47:15,331 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 15:47:15,332 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 15:47:15,333 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 15:47:15,333 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 15:47:15,333 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 15:47:15,333 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 15:47:15,333 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 15:47:15,334 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 15:47:15,334 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 15:47:15,334 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 15:47:15,334 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 15:47:15,334 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 15:47:15,335 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 15:47:15,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:47:15,335 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 15:47:15,335 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 15:47:15,335 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 15:47:15,336 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 15:47:15,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 15:47:15,336 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 15:47:15,336 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 15:47:15,336 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 15:47:15,337 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 15:47:15,337 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 28669211a2ef49b5efd7443ec92409c5f49218a96d1252c934deb7757bde86cd [2021-12-22 15:47:15,592 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 15:47:15,619 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 15:47:15,622 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 15:47:15,624 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 15:47:15,624 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 15:47:15,626 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i [2021-12-22 15:47:15,691 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ff1018f9/21161e7d99144615a7d1ba6dbe17b02d/FLAGb5ecde706 [2021-12-22 15:47:16,500 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 15:47:16,500 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i [2021-12-22 15:47:16,566 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ff1018f9/21161e7d99144615a7d1ba6dbe17b02d/FLAGb5ecde706 [2021-12-22 15:47:17,023 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ff1018f9/21161e7d99144615a7d1ba6dbe17b02d [2021-12-22 15:47:17,027 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 15:47:17,029 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 15:47:17,030 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 15:47:17,030 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 15:47:17,033 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 15:47:17,034 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:47:17" (1/1) ... [2021-12-22 15:47:17,036 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16c33f08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:47:17, skipping insertion in model container [2021-12-22 15:47:17,036 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:47:17" (1/1) ... [2021-12-22 15:47:17,042 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 15:47:17,195 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 15:47:20,714 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[387086,387099] [2021-12-22 15:47:20,717 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[387231,387244] [2021-12-22 15:47:20,733 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:47:20,769 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 15:47:21,112 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[387086,387099] [2021-12-22 15:47:21,113 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[387231,387244] [2021-12-22 15:47:21,118 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:47:21,444 INFO L208 MainTranslator]: Completed translation [2021-12-22 15:47:21,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:47:21 WrapperNode [2021-12-22 15:47:21,445 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 15:47:21,446 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 15:47:21,446 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 15:47:21,446 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 15:47:21,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:47:21" (1/1) ... [2021-12-22 15:47:21,573 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:47:21" (1/1) ... [2021-12-22 15:47:21,747 INFO L137 Inliner]: procedures = 510, calls = 2610, calls flagged for inlining = 246, calls inlined = 216, statements flattened = 5468 [2021-12-22 15:47:21,748 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 15:47:21,749 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 15:47:21,749 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 15:47:21,749 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 15:47:21,757 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:47:21" (1/1) ... [2021-12-22 15:47:21,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:47:21" (1/1) ... [2021-12-22 15:47:21,815 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:47:21" (1/1) ... [2021-12-22 15:47:21,816 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:47:21" (1/1) ... [2021-12-22 15:47:21,943 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:47:21" (1/1) ... [2021-12-22 15:47:22,033 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:47:21" (1/1) ... [2021-12-22 15:47:22,062 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:47:21" (1/1) ... [2021-12-22 15:47:22,097 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 15:47:22,098 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 15:47:22,099 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 15:47:22,099 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 15:47:22,101 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:47:21" (1/1) ... [2021-12-22 15:47:22,107 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:47:22,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 15:47:22,137 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) [2021-12-22 15:47:22,164 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 [2021-12-22 15:47:22,179 INFO L130 BoogieDeclarations]: Found specification of procedure drain_rx [2021-12-22 15:47:22,179 INFO L138 BoogieDeclarations]: Found implementation of procedure drain_rx [2021-12-22 15:47:22,180 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-12-22 15:47:22,180 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2021-12-22 15:47:22,180 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2021-12-22 15:47:22,180 INFO L130 BoogieDeclarations]: Found specification of procedure miiport_write [2021-12-22 15:47:22,180 INFO L138 BoogieDeclarations]: Found implementation of procedure miiport_write [2021-12-22 15:47:22,180 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-22 15:47:22,180 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-22 15:47:22,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-22 15:47:22,181 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-22 15:47:22,181 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-22 15:47:22,181 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-22 15:47:22,181 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_tx_done [2021-12-22 15:47:22,181 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_tx_done [2021-12-22 15:47:22,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_84 [2021-12-22 15:47:22,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_84 [2021-12-22 15:47:22,182 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-22 15:47:22,182 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-22 15:47:22,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 15:47:22,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 15:47:22,182 INFO L130 BoogieDeclarations]: Found specification of procedure reinit_rx [2021-12-22 15:47:22,182 INFO L138 BoogieDeclarations]: Found implementation of procedure reinit_rx [2021-12-22 15:47:22,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_92 [2021-12-22 15:47:22,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_92 [2021-12-22 15:47:22,183 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-22 15:47:22,183 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-22 15:47:22,183 INFO L130 BoogieDeclarations]: Found specification of procedure reinit_ring [2021-12-22 15:47:22,183 INFO L138 BoogieDeclarations]: Found implementation of procedure reinit_ring [2021-12-22 15:47:22,183 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-22 15:47:22,183 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-22 15:47:22,184 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-22 15:47:22,184 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-22 15:47:22,184 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-22 15:47:22,184 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-22 15:47:22,185 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-22 15:47:22,185 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-22 15:47:22,185 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-22 15:47:22,185 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-22 15:47:22,185 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-22 15:47:22,185 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-22 15:47:22,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-22 15:47:22,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-22 15:47:22,186 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-22 15:47:22,186 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-22 15:47:22,186 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-22 15:47:22,186 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-22 15:47:22,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-22 15:47:22,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-22 15:47:22,187 INFO L130 BoogieDeclarations]: Found specification of procedure __set_rx_mode [2021-12-22 15:47:22,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_rx_mode [2021-12-22 15:47:22,187 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-22 15:47:22,188 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-22 15:47:22,188 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-12-22 15:47:22,188 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-12-22 15:47:22,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 15:47:22,189 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-22 15:47:22,190 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-22 15:47:22,190 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2021-12-22 15:47:22,190 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2021-12-22 15:47:22,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_108 [2021-12-22 15:47:22,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_108 [2021-12-22 15:47:22,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-12-22 15:47:22,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-12-22 15:47:22,191 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_read [2021-12-22 15:47:22,191 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_read [2021-12-22 15:47:22,191 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-22 15:47:22,191 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-22 15:47:22,191 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_stop_rxtx [2021-12-22 15:47:22,191 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_stop_rxtx [2021-12-22 15:47:22,191 INFO L130 BoogieDeclarations]: Found specification of procedure ns_tx_timeout [2021-12-22 15:47:22,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_tx_timeout [2021-12-22 15:47:22,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 15:47:22,192 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-22 15:47:22,192 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-22 15:47:22,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-12-22 15:47:22,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-12-22 15:47:22,193 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_reset [2021-12-22 15:47:22,193 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_reset [2021-12-22 15:47:22,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 15:47:22,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-22 15:47:22,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-22 15:47:22,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 15:47:22,194 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2021-12-22 15:47:22,194 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2021-12-22 15:47:22,194 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-22 15:47:22,194 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-22 15:47:22,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-12-22 15:47:22,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-12-22 15:47:22,195 INFO L130 BoogieDeclarations]: Found specification of procedure move_int_phy [2021-12-22 15:47:22,195 INFO L138 BoogieDeclarations]: Found implementation of procedure move_int_phy [2021-12-22 15:47:22,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-22 15:47:22,195 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-22 15:47:22,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-22 15:47:22,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-22 15:47:22,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-22 15:47:22,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-22 15:47:22,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-22 15:47:22,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-22 15:47:22,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-22 15:47:22,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-22 15:47:22,197 INFO L130 BoogieDeclarations]: Found specification of procedure enable_wol_mode [2021-12-22 15:47:22,197 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_wol_mode [2021-12-22 15:47:22,197 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_resume [2021-12-22 15:47:22,198 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_resume [2021-12-22 15:47:22,198 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-12-22 15:47:22,198 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-12-22 15:47:22,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 15:47:22,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-22 15:47:22,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-22 15:47:22,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-22 15:47:22,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-22 15:47:22,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-22 15:47:22,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-22 15:47:22,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 15:47:22,200 INFO L130 BoogieDeclarations]: Found specification of procedure mii_getbit [2021-12-22 15:47:22,200 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_getbit [2021-12-22 15:47:22,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-22 15:47:22,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-22 15:47:22,203 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-22 15:47:22,203 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-22 15:47:22,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 15:47:22,204 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:47:22,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:47:22,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-12-22 15:47:22,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-12-22 15:47:22,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-12-22 15:47:22,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-12-22 15:47:22,211 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-22 15:47:22,212 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-22 15:47:22,212 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_poll_controller [2021-12-22 15:47:22,212 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_poll_controller [2021-12-22 15:47:22,212 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-22 15:47:22,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-22 15:47:22,212 INFO L130 BoogieDeclarations]: Found specification of procedure check_link [2021-12-22 15:47:22,212 INFO L138 BoogieDeclarations]: Found implementation of procedure check_link [2021-12-22 15:47:22,213 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-12-22 15:47:22,213 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-12-22 15:47:22,213 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-22 15:47:22,213 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-22 15:47:22,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-22 15:47:22,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-22 15:47:22,213 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-22 15:47:22,213 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-22 15:47:22,213 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-22 15:47:22,214 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-22 15:47:22,214 INFO L130 BoogieDeclarations]: Found specification of procedure init_phy_fixup [2021-12-22 15:47:22,214 INFO L138 BoogieDeclarations]: Found implementation of procedure init_phy_fixup [2021-12-22 15:47:22,214 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-12-22 15:47:22,214 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-12-22 15:47:22,214 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2021-12-22 15:47:22,214 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2021-12-22 15:47:22,214 INFO L130 BoogieDeclarations]: Found specification of procedure mii_nway_result [2021-12-22 15:47:22,215 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_nway_result [2021-12-22 15:47:22,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 15:47:22,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 15:47:22,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 15:47:22,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 15:47:22,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 15:47:22,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 15:47:22,216 INFO L130 BoogieDeclarations]: Found specification of procedure switch_port_external [2021-12-22 15:47:22,216 INFO L138 BoogieDeclarations]: Found implementation of procedure switch_port_external [2021-12-22 15:47:22,216 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_close [2021-12-22 15:47:22,216 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_close [2021-12-22 15:47:22,216 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-22 15:47:22,216 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-22 15:47:22,217 INFO L130 BoogieDeclarations]: Found specification of procedure get_eeprom_len [2021-12-22 15:47:22,217 INFO L138 BoogieDeclarations]: Found implementation of procedure get_eeprom_len [2021-12-22 15:47:22,217 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-22 15:47:22,217 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-22 15:47:22,217 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2021-12-22 15:47:22,217 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2021-12-22 15:47:22,217 INFO L130 BoogieDeclarations]: Found specification of procedure get_regs_len [2021-12-22 15:47:22,217 INFO L138 BoogieDeclarations]: Found implementation of procedure get_regs_len [2021-12-22 15:47:22,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-22 15:47:22,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-22 15:47:22,218 INFO L130 BoogieDeclarations]: Found specification of procedure nway_reset [2021-12-22 15:47:22,218 INFO L138 BoogieDeclarations]: Found implementation of procedure nway_reset [2021-12-22 15:47:22,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_netdev_private [2021-12-22 15:47:22,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_netdev_private [2021-12-22 15:47:22,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_91 [2021-12-22 15:47:22,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_91 [2021-12-22 15:47:22,219 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-22 15:47:22,219 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-22 15:47:22,219 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-22 15:47:22,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-22 15:47:22,219 INFO L130 BoogieDeclarations]: Found specification of procedure init_registers [2021-12-22 15:47:22,219 INFO L138 BoogieDeclarations]: Found implementation of procedure init_registers [2021-12-22 15:47:22,219 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-22 15:47:22,219 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-22 15:47:22,220 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-22 15:47:22,220 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-22 15:47:22,220 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2021-12-22 15:47:22,220 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2021-12-22 15:47:22,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 15:47:22,220 INFO L130 BoogieDeclarations]: Found specification of procedure switch_port_internal [2021-12-22 15:47:22,220 INFO L138 BoogieDeclarations]: Found implementation of procedure switch_port_internal [2021-12-22 15:47:22,220 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-22 15:47:22,220 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-22 15:47:22,221 INFO L130 BoogieDeclarations]: Found specification of procedure dump_ring [2021-12-22 15:47:22,221 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_ring [2021-12-22 15:47:22,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 15:47:22,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 15:47:22,221 INFO L130 BoogieDeclarations]: Found specification of procedure intr_handler [2021-12-22 15:47:22,221 INFO L138 BoogieDeclarations]: Found implementation of procedure intr_handler [2021-12-22 15:47:22,221 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-22 15:47:22,221 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-22 15:47:22,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_netdev_private [2021-12-22 15:47:22,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_netdev_private [2021-12-22 15:47:22,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-22 15:47:22,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-22 15:47:22,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-22 15:47:22,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-22 15:47:22,222 INFO L130 BoogieDeclarations]: Found specification of procedure __get_stats [2021-12-22 15:47:22,222 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_stats [2021-12-22 15:47:22,223 INFO L130 BoogieDeclarations]: Found specification of procedure set_bufsize [2021-12-22 15:47:22,223 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bufsize [2021-12-22 15:47:22,223 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-12-22 15:47:22,223 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-12-22 15:47:22,223 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_open [2021-12-22 15:47:22,223 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_open [2021-12-22 15:47:22,223 INFO L130 BoogieDeclarations]: Found specification of procedure drain_ring [2021-12-22 15:47:22,223 INFO L138 BoogieDeclarations]: Found implementation of procedure drain_ring [2021-12-22 15:47:22,224 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-22 15:47:22,224 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-22 15:47:22,224 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-22 15:47:22,224 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-22 15:47:22,224 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-22 15:47:22,224 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-22 15:47:22,224 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-22 15:47:22,224 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-22 15:47:22,225 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_remove1 [2021-12-22 15:47:22,225 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_remove1 [2021-12-22 15:47:22,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_natsemi_exit_mod_15_2 [2021-12-22 15:47:22,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_natsemi_exit_mod_15_2 [2021-12-22 15:47:22,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 15:47:22,225 INFO L130 BoogieDeclarations]: Found specification of procedure init_ring [2021-12-22 15:47:22,225 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ring [2021-12-22 15:47:22,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 15:47:22,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 15:47:22,226 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_irq_disable [2021-12-22 15:47:22,226 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_irq_disable [2021-12-22 15:47:22,226 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2021-12-22 15:47:22,227 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2021-12-22 15:47:22,230 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-22 15:47:22,230 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-22 15:47:22,230 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-22 15:47:22,230 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-22 15:47:22,230 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-12-22 15:47:22,230 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-12-22 15:47:22,231 INFO L130 BoogieDeclarations]: Found specification of procedure ns_ioaddr [2021-12-22 15:47:22,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_ioaddr [2021-12-22 15:47:22,231 INFO L130 BoogieDeclarations]: Found specification of procedure mii_send_bits [2021-12-22 15:47:22,232 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_send_bits [2021-12-22 15:47:22,232 INFO L130 BoogieDeclarations]: Found specification of procedure refill_rx [2021-12-22 15:47:22,232 INFO L138 BoogieDeclarations]: Found implementation of procedure refill_rx [2021-12-22 15:47:22,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-22 15:47:22,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-22 15:47:22,233 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2021-12-22 15:47:22,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2021-12-22 15:47:22,233 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2021-12-22 15:47:22,233 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2021-12-22 15:47:22,233 INFO L130 BoogieDeclarations]: Found specification of procedure drain_tx [2021-12-22 15:47:22,233 INFO L138 BoogieDeclarations]: Found implementation of procedure drain_tx [2021-12-22 15:47:22,233 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_irq_enable [2021-12-22 15:47:22,233 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_irq_enable [2021-12-22 15:47:22,234 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-22 15:47:22,234 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-22 15:47:22,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 15:47:22,234 INFO L130 BoogieDeclarations]: Found specification of procedure miiport_read [2021-12-22 15:47:22,234 INFO L138 BoogieDeclarations]: Found implementation of procedure miiport_read [2021-12-22 15:47:22,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-22 15:47:22,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-22 15:47:22,234 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-22 15:47:22,235 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-22 15:47:22,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_107 [2021-12-22 15:47:22,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_107 [2021-12-22 15:47:23,201 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 15:47:23,207 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 15:47:23,703 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 15:47:26,540 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-22 15:47:26,606 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 15:47:26,623 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 15:47:26,624 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-22 15:47:26,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:47:26 BoogieIcfgContainer [2021-12-22 15:47:26,629 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 15:47:26,630 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 15:47:26,630 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 15:47:26,634 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 15:47:26,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:47:17" (1/3) ... [2021-12-22 15:47:26,635 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d89de17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:47:26, skipping insertion in model container [2021-12-22 15:47:26,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:47:21" (2/3) ... [2021-12-22 15:47:26,636 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d89de17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:47:26, skipping insertion in model container [2021-12-22 15:47:26,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:47:26" (3/3) ... [2021-12-22 15:47:26,638 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i [2021-12-22 15:47:26,643 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 15:47:26,643 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 15:47:26,703 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 15:47:26,709 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-22 15:47:26,709 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 15:47:26,765 INFO L276 IsEmpty]: Start isEmpty. Operand has 2492 states, 1610 states have (on average 1.272670807453416) internal successors, (2049), 1645 states have internal predecessors, (2049), 752 states have call successors, (752), 130 states have call predecessors, (752), 129 states have return successors, (746), 737 states have call predecessors, (746), 746 states have call successors, (746) [2021-12-22 15:47:26,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-12-22 15:47:26,787 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:47:26,788 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 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] [2021-12-22 15:47:26,789 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:47:26,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:47:26,794 INFO L85 PathProgramCache]: Analyzing trace with hash 1067299095, now seen corresponding path program 1 times [2021-12-22 15:47:26,801 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:47:26,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800545957] [2021-12-22 15:47:26,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:47:26,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:47:27,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:27,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:47:27,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:27,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:27,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:27,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:47:27,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:27,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:27,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:27,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:47:27,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:27,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:27,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:27,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:47:27,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:27,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:27,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:27,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:47:27,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:27,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:27,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:27,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:47:27,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:27,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:27,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:27,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:47:27,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:27,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:27,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:27,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:47:27,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:27,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:27,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:27,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:47:27,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:27,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:27,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:27,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:47:27,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:27,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:27,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:27,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:47:27,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:27,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:27,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:27,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:47:27,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:27,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:27,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:27,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:47:27,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:27,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:27,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:27,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:47:27,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:27,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:27,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:27,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:47:27,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:27,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:27,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:27,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-22 15:47:27,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:27,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-22 15:47:27,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:27,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:27,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:27,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:47:27,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:27,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:47:27,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:27,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-22 15:47:27,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:27,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-22 15:47:27,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:27,961 INFO L134 CoverageAnalysis]: Checked inductivity of 994 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 994 trivial. 0 not checked. [2021-12-22 15:47:27,962 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:47:27,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800545957] [2021-12-22 15:47:27,962 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800545957] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:47:27,963 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:47:27,963 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:47:27,964 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228637036] [2021-12-22 15:47:27,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:47:27,969 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:47:27,969 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:47:27,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:47:27,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:47:28,006 INFO L87 Difference]: Start difference. First operand has 2492 states, 1610 states have (on average 1.272670807453416) internal successors, (2049), 1645 states have internal predecessors, (2049), 752 states have call successors, (752), 130 states have call predecessors, (752), 129 states have return successors, (746), 737 states have call predecessors, (746), 746 states have call successors, (746) Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2021-12-22 15:47:33,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:47:33,275 INFO L93 Difference]: Finished difference Result 6916 states and 9928 transitions. [2021-12-22 15:47:33,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 15:47:33,289 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 221 [2021-12-22 15:47:33,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:47:33,349 INFO L225 Difference]: With dead ends: 6916 [2021-12-22 15:47:33,349 INFO L226 Difference]: Without dead ends: 4383 [2021-12-22 15:47:33,373 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:47:33,376 INFO L933 BasicCegarLoop]: 3481 mSDtfsCounter, 3602 mSDsluCounter, 3378 mSDsCounter, 0 mSdLazyCounter, 2637 mSolverCounterSat, 2361 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4166 SdHoareTripleChecker+Valid, 6859 SdHoareTripleChecker+Invalid, 4998 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2361 IncrementalHoareTripleChecker+Valid, 2637 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2021-12-22 15:47:33,377 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4166 Valid, 6859 Invalid, 4998 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2361 Valid, 2637 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2021-12-22 15:47:33,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4383 states. [2021-12-22 15:47:33,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4383 to 4300. [2021-12-22 15:47:33,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4300 states, 2761 states have (on average 1.260775081492213) internal successors, (3481), 2825 states have internal predecessors, (3481), 1293 states have call successors, (1293), 244 states have call predecessors, (1293), 245 states have return successors, (1297), 1272 states have call predecessors, (1297), 1293 states have call successors, (1297) [2021-12-22 15:47:33,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4300 states to 4300 states and 6071 transitions. [2021-12-22 15:47:33,767 INFO L78 Accepts]: Start accepts. Automaton has 4300 states and 6071 transitions. Word has length 221 [2021-12-22 15:47:33,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:47:33,768 INFO L470 AbstractCegarLoop]: Abstraction has 4300 states and 6071 transitions. [2021-12-22 15:47:33,769 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2021-12-22 15:47:33,769 INFO L276 IsEmpty]: Start isEmpty. Operand 4300 states and 6071 transitions. [2021-12-22 15:47:33,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2021-12-22 15:47:33,782 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:47:33,783 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 5, 5, 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] [2021-12-22 15:47:33,783 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 15:47:33,784 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:47:33,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:47:33,785 INFO L85 PathProgramCache]: Analyzing trace with hash -1541205607, now seen corresponding path program 1 times [2021-12-22 15:47:33,785 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:47:33,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036399305] [2021-12-22 15:47:33,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:47:33,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:47:33,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:33,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:47:33,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:33,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:33,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:33,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:47:33,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:33,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:33,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:33,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:47:33,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:33,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:33,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:33,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:47:33,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:34,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:34,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:34,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:47:34,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:34,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:34,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:34,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:47:34,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:34,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:34,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:34,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:47:34,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:34,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:34,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:34,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:47:34,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:34,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:34,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:34,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:47:34,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:34,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:34,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:34,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:47:34,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:34,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:34,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:34,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:47:34,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:34,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:34,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:34,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:47:34,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:34,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:34,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:34,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:47:34,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:34,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:34,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:34,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:47:34,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:34,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:34,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:34,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:47:34,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:34,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:34,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:34,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-22 15:47:34,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:34,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-12-22 15:47:34,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:34,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-22 15:47:34,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:34,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-22 15:47:34,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:34,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:34,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:34,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-22 15:47:34,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:34,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:34,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:34,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-22 15:47:34,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:34,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-22 15:47:34,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:34,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-22 15:47:34,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:34,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:34,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:34,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:47:34,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:34,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:34,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:34,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-22 15:47:34,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:34,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:34,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:34,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-22 15:47:34,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:34,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-22 15:47:34,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:34,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-22 15:47:34,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:34,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-22 15:47:34,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:34,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-22 15:47:34,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:34,334 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1032 trivial. 0 not checked. [2021-12-22 15:47:34,335 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:47:34,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036399305] [2021-12-22 15:47:34,335 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036399305] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:47:34,335 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:47:34,335 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 15:47:34,336 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934994901] [2021-12-22 15:47:34,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:47:34,338 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 15:47:34,338 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:47:34,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 15:47:34,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:47:34,339 INFO L87 Difference]: Start difference. First operand 4300 states and 6071 transitions. Second operand has 6 states, 6 states have (on average 15.5) internal successors, (93), 3 states have internal predecessors, (93), 4 states have call successors, (38), 5 states have call predecessors, (38), 1 states have return successors, (35), 3 states have call predecessors, (35), 4 states have call successors, (35) [2021-12-22 15:47:44,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:47:44,400 INFO L93 Difference]: Finished difference Result 13307 states and 18876 transitions. [2021-12-22 15:47:44,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-22 15:47:44,404 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 3 states have internal predecessors, (93), 4 states have call successors, (38), 5 states have call predecessors, (38), 1 states have return successors, (35), 3 states have call predecessors, (35), 4 states have call successors, (35) Word has length 298 [2021-12-22 15:47:44,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:47:44,466 INFO L225 Difference]: With dead ends: 13307 [2021-12-22 15:47:44,467 INFO L226 Difference]: Without dead ends: 9042 [2021-12-22 15:47:44,486 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2021-12-22 15:47:44,487 INFO L933 BasicCegarLoop]: 3266 mSDtfsCounter, 8461 mSDsluCounter, 4846 mSDsCounter, 0 mSdLazyCounter, 5297 mSolverCounterSat, 7310 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8809 SdHoareTripleChecker+Valid, 8112 SdHoareTripleChecker+Invalid, 12607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7310 IncrementalHoareTripleChecker+Valid, 5297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2021-12-22 15:47:44,488 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8809 Valid, 8112 Invalid, 12607 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7310 Valid, 5297 Invalid, 0 Unknown, 0 Unchecked, 9.3s Time] [2021-12-22 15:47:44,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9042 states. [2021-12-22 15:47:44,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9042 to 8141. [2021-12-22 15:47:44,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8141 states, 5280 states have (on average 1.2643939393939394) internal successors, (6676), 5400 states have internal predecessors, (6676), 2386 states have call successors, (2386), 479 states have call predecessors, (2386), 474 states have return successors, (2402), 2335 states have call predecessors, (2402), 2386 states have call successors, (2402) [2021-12-22 15:47:45,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8141 states to 8141 states and 11464 transitions. [2021-12-22 15:47:45,018 INFO L78 Accepts]: Start accepts. Automaton has 8141 states and 11464 transitions. Word has length 298 [2021-12-22 15:47:45,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:47:45,018 INFO L470 AbstractCegarLoop]: Abstraction has 8141 states and 11464 transitions. [2021-12-22 15:47:45,019 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 3 states have internal predecessors, (93), 4 states have call successors, (38), 5 states have call predecessors, (38), 1 states have return successors, (35), 3 states have call predecessors, (35), 4 states have call successors, (35) [2021-12-22 15:47:45,019 INFO L276 IsEmpty]: Start isEmpty. Operand 8141 states and 11464 transitions. [2021-12-22 15:47:45,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2021-12-22 15:47:45,041 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:47:45,041 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 9, 9, 6, 6, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:47:45,042 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 15:47:45,042 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:47:45,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:47:45,043 INFO L85 PathProgramCache]: Analyzing trace with hash 1368082242, now seen corresponding path program 1 times [2021-12-22 15:47:45,043 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:47:45,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105699405] [2021-12-22 15:47:45,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:47:45,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:47:45,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:45,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:47:45,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:45,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:45,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:45,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:47:45,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:45,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:45,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:45,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:47:45,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:45,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:45,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:45,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:47:45,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:45,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:45,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:45,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:47:45,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:45,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:45,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:45,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:47:45,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:45,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:45,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:45,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:47:45,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:45,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:45,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:45,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:47:45,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:45,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:45,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:45,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:47:45,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:45,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:45,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:45,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:47:45,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:45,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:45,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:45,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:47:45,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:45,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:45,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:45,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:47:45,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:45,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:45,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:45,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:47:45,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:45,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:45,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:45,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:47:45,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:45,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:45,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:45,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:47:45,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:45,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:45,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:45,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-22 15:47:45,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:45,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-22 15:47:45,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:45,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-12-22 15:47:45,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:45,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:45,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:45,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-22 15:47:45,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:45,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-12-22 15:47:45,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:45,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:45,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:45,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-22 15:47:45,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:45,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-22 15:47:45,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:45,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-22 15:47:45,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:45,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:45,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:45,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-12-22 15:47:45,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:45,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:45,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:45,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:47:45,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:45,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:45,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:45,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-22 15:47:45,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:45,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-22 15:47:45,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:45,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-22 15:47:45,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:45,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 15:47:45,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:45,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-22 15:47:45,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:45,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-22 15:47:45,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:45,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 15:47:45,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:45,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-22 15:47:45,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:45,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-22 15:47:45,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:45,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 15:47:45,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:45,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2021-12-22 15:47:45,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:45,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-22 15:47:45,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:45,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:45,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:45,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-22 15:47:45,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:45,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-22 15:47:45,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:45,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-12-22 15:47:45,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:45,771 INFO L134 CoverageAnalysis]: Checked inductivity of 1166 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1166 trivial. 0 not checked. [2021-12-22 15:47:45,771 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:47:45,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105699405] [2021-12-22 15:47:45,772 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105699405] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:47:45,772 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:47:45,772 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-22 15:47:45,772 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831718866] [2021-12-22 15:47:45,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:47:45,773 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-22 15:47:45,773 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:47:45,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-22 15:47:45,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-12-22 15:47:45,787 INFO L87 Difference]: Start difference. First operand 8141 states and 11464 transitions. Second operand has 10 states, 9 states have (on average 13.11111111111111) internal successors, (118), 5 states have internal predecessors, (118), 4 states have call successors, (53), 6 states have call predecessors, (53), 1 states have return successors, (46), 3 states have call predecessors, (46), 4 states have call successors, (46) [2021-12-22 15:48:00,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:48:00,008 INFO L93 Difference]: Finished difference Result 28221 states and 39831 transitions. [2021-12-22 15:48:00,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-12-22 15:48:00,009 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 13.11111111111111) internal successors, (118), 5 states have internal predecessors, (118), 4 states have call successors, (53), 6 states have call predecessors, (53), 1 states have return successors, (46), 3 states have call predecessors, (46), 4 states have call successors, (46) Word has length 368 [2021-12-22 15:48:00,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:48:00,156 INFO L225 Difference]: With dead ends: 28221 [2021-12-22 15:48:00,156 INFO L226 Difference]: Without dead ends: 20115 [2021-12-22 15:48:00,206 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=198, Invalid=504, Unknown=0, NotChecked=0, Total=702 [2021-12-22 15:48:00,212 INFO L933 BasicCegarLoop]: 4806 mSDtfsCounter, 11029 mSDsluCounter, 7077 mSDsCounter, 0 mSdLazyCounter, 13323 mSolverCounterSat, 9357 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11905 SdHoareTripleChecker+Valid, 11883 SdHoareTripleChecker+Invalid, 22680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9357 IncrementalHoareTripleChecker+Valid, 13323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.2s IncrementalHoareTripleChecker+Time [2021-12-22 15:48:00,215 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11905 Valid, 11883 Invalid, 22680 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9357 Valid, 13323 Invalid, 0 Unknown, 0 Unchecked, 13.2s Time] [2021-12-22 15:48:00,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20115 states. [2021-12-22 15:48:01,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20115 to 18151. [2021-12-22 15:48:01,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18151 states, 11852 states have (on average 1.2641748228147147) internal successors, (14983), 12087 states have internal predecessors, (14983), 5182 states have call successors, (5182), 1131 states have call predecessors, (5182), 1116 states have return successors, (5198), 5097 states have call predecessors, (5198), 5182 states have call successors, (5198) [2021-12-22 15:48:01,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18151 states to 18151 states and 25363 transitions. [2021-12-22 15:48:01,322 INFO L78 Accepts]: Start accepts. Automaton has 18151 states and 25363 transitions. Word has length 368 [2021-12-22 15:48:01,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:48:01,324 INFO L470 AbstractCegarLoop]: Abstraction has 18151 states and 25363 transitions. [2021-12-22 15:48:01,326 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 13.11111111111111) internal successors, (118), 5 states have internal predecessors, (118), 4 states have call successors, (53), 6 states have call predecessors, (53), 1 states have return successors, (46), 3 states have call predecessors, (46), 4 states have call successors, (46) [2021-12-22 15:48:01,326 INFO L276 IsEmpty]: Start isEmpty. Operand 18151 states and 25363 transitions. [2021-12-22 15:48:01,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2021-12-22 15:48:01,340 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:48:01,340 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 6, 6, 6, 6, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:48:01,341 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-22 15:48:01,341 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:48:01,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:48:01,342 INFO L85 PathProgramCache]: Analyzing trace with hash -1246162991, now seen corresponding path program 1 times [2021-12-22 15:48:01,342 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:48:01,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012350207] [2021-12-22 15:48:01,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:48:01,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:48:01,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:01,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:48:01,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:01,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:01,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:01,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:48:01,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:01,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:01,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:01,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:48:01,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:01,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:01,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:01,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:48:01,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:01,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:01,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:01,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:48:01,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:01,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:01,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:01,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:48:01,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:01,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:01,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:01,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:48:01,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:01,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:01,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:01,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:48:01,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:01,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:01,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:01,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:48:01,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:01,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:01,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:01,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:48:01,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:01,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:01,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:01,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:48:01,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:01,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:01,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:01,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:48:01,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:01,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:01,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:01,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:48:01,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:01,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:01,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:01,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:48:01,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:01,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:01,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:01,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:48:01,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:01,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:01,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:01,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-22 15:48:01,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:01,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-12-22 15:48:01,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:01,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-22 15:48:01,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:01,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-12-22 15:48:01,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:01,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-22 15:48:01,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:01,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-22 15:48:01,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:01,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:01,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:01,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-22 15:48:01,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:01,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-22 15:48:01,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:01,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-12-22 15:48:01,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:02,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-22 15:48:02,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:02,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-22 15:48:02,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:02,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-22 15:48:02,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:02,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-22 15:48:02,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:02,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:02,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:02,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-22 15:48:02,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:02,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-12-22 15:48:02,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:02,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-22 15:48:02,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:02,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:02,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:02,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:48:02,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:02,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-22 15:48:02,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:02,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-22 15:48:02,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:02,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:02,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:02,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:48:02,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:02,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:02,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:02,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-22 15:48:02,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:02,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-22 15:48:02,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:02,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-22 15:48:02,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:02,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 15:48:02,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:02,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-22 15:48:02,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:02,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-22 15:48:02,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:02,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 15:48:02,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:02,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-22 15:48:02,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:02,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-22 15:48:02,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:02,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 15:48:02,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:02,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2021-12-22 15:48:02,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:02,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-12-22 15:48:02,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:02,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:02,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:02,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2021-12-22 15:48:02,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:02,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-22 15:48:02,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:02,208 INFO L134 CoverageAnalysis]: Checked inductivity of 1290 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1287 trivial. 0 not checked. [2021-12-22 15:48:02,208 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:48:02,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012350207] [2021-12-22 15:48:02,209 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012350207] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:48:02,209 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:48:02,209 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 15:48:02,209 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891291208] [2021-12-22 15:48:02,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:48:02,211 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 15:48:02,211 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:48:02,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 15:48:02,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:48:02,212 INFO L87 Difference]: Start difference. First operand 18151 states and 25363 transitions. Second operand has 6 states, 6 states have (on average 26.833333333333332) internal successors, (161), 3 states have internal predecessors, (161), 3 states have call successors, (61), 5 states have call predecessors, (61), 1 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56)