./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--xgbe--amd-xgbe.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fcb8e130 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--xgbe--amd-xgbe.ko-entry_point.cil.out.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 0dcc3c8ee4f0ae2f0cd3b1f7bcded85c719804cb09b4370c1091b6627a94f1b1 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-fcb8e13 [2021-11-23 01:26:41,402 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:26:41,404 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:26:41,446 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:26:41,447 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:26:41,448 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:26:41,449 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:26:41,451 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:26:41,453 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:26:41,453 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:26:41,454 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:26:41,455 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:26:41,456 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:26:41,456 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:26:41,458 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:26:41,459 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:26:41,459 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:26:41,460 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:26:41,462 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:26:41,463 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:26:41,465 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:26:41,466 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:26:41,467 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:26:41,467 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:26:41,470 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:26:41,470 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:26:41,471 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:26:41,471 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:26:41,472 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:26:41,476 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:26:41,479 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:26:41,479 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:26:41,480 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:26:41,481 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:26:41,482 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:26:41,484 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:26:41,485 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:26:41,485 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:26:41,486 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:26:41,486 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:26:41,488 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:26:41,489 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-23 01:26:41,528 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:26:41,528 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:26:41,528 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 01:26:41,528 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 01:26:41,529 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:26:41,529 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:26:41,529 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 01:26:41,530 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:26:41,530 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:26:41,530 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:26:41,530 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:26:41,530 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:26:41,530 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:26:41,530 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:26:41,531 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:26:41,531 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:26:41,531 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:26:41,531 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 01:26:41,531 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 01:26:41,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 01:26:41,531 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:26:41,531 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:26:41,532 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:26:41,532 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 01:26:41,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:26:41,532 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-23 01:26:41,532 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-23 01:26:41,532 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:26:41,532 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 01:26:41,532 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0dcc3c8ee4f0ae2f0cd3b1f7bcded85c719804cb09b4370c1091b6627a94f1b1 [2021-11-23 01:26:41,748 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:26:41,770 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:26:41,772 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:26:41,774 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:26:41,775 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:26:41,776 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--xgbe--amd-xgbe.ko-entry_point.cil.out.i [2021-11-23 01:26:41,826 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14b198cac/dc66043cc06d41478455de2473cc5581/FLAG862d967f0 [2021-11-23 01:26:42,788 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:26:42,789 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--xgbe--amd-xgbe.ko-entry_point.cil.out.i [2021-11-23 01:26:42,892 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14b198cac/dc66043cc06d41478455de2473cc5581/FLAG862d967f0 [2021-11-23 01:26:43,351 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14b198cac/dc66043cc06d41478455de2473cc5581 [2021-11-23 01:26:43,353 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:26:43,354 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:26:43,356 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:26:43,356 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:26:43,362 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:26:43,363 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:26:43" (1/1) ... [2021-11-23 01:26:43,364 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69899c4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:43, skipping insertion in model container [2021-11-23 01:26:43,365 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:26:43" (1/1) ... [2021-11-23 01:26:43,372 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:26:43,618 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:26:51,033 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--xgbe--amd-xgbe.ko-entry_point.cil.out.i[724020,724033] [2021-11-23 01:26:51,119 WARN L610 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-11-23 01:26:51,138 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:26:51,233 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:26:52,503 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--xgbe--amd-xgbe.ko-entry_point.cil.out.i[724020,724033] [2021-11-23 01:26:52,507 WARN L610 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-11-23 01:26:52,513 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:26:52,832 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:26:52,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:52 WrapperNode [2021-11-23 01:26:52,833 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:26:52,833 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:26:52,834 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:26:52,834 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:26:52,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:52" (1/1) ... [2021-11-23 01:26:53,036 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:52" (1/1) ... [2021-11-23 01:26:54,171 INFO L137 Inliner]: procedures = 851, calls = 8717, calls flagged for inlining = 2021, calls inlined = 4143, statements flattened = 56391 [2021-11-23 01:26:54,172 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:26:54,173 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:26:54,173 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:26:54,173 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:26:54,180 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:52" (1/1) ... [2021-11-23 01:26:54,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:52" (1/1) ... [2021-11-23 01:26:54,392 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:52" (1/1) ... [2021-11-23 01:26:54,393 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:52" (1/1) ... [2021-11-23 01:26:55,306 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:52" (1/1) ... [2021-11-23 01:26:55,543 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:52" (1/1) ... [2021-11-23 01:26:55,704 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:52" (1/1) ... [2021-11-23 01:26:55,979 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:26:55,981 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:26:55,981 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:26:55,982 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:26:55,983 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:52" (1/1) ... [2021-11-23 01:26:56,004 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 01:26:56,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-23 01:26:56,057 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) [2021-11-23 01:26:56,123 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 [2021-11-23 01:26:56,163 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_enable_rx_tx_ints [2021-11-23 01:26:56,164 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_enable_rx_tx_ints [2021-11-23 01:26:56,164 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_start [2021-11-23 01:26:56,164 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_start [2021-11-23 01:26:56,164 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_an_incompat_link [2021-11-23 01:26:56,164 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_an_incompat_link [2021-11-23 01:26:56,165 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_set_rx_mode [2021-11-23 01:26:56,165 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_set_rx_mode [2021-11-23 01:26:56,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:26:56,165 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_resume [2021-11-23 01:26:56,166 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_resume [2021-11-23 01:26:56,166 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_wrapper_tx_descriptor_init [2021-11-23 01:26:56,166 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_wrapper_tx_descriptor_init [2021-11-23 01:26:56,166 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_stop [2021-11-23 01:26:56,166 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_stop [2021-11-23 01:26:56,167 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_powerup [2021-11-23 01:26:56,179 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_powerup [2021-11-23 01:26:56,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:26:56,179 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_remove [2021-11-23 01:26:56,180 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_remove [2021-11-23 01:26:56,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-11-23 01:26:56,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:26:56,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 01:26:56,180 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_set_mode [2021-11-23 01:26:56,180 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_set_mode [2021-11-23 01:26:56,180 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_change_mtu [2021-11-23 01:26:56,181 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_change_mtu [2021-11-23 01:26:56,181 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_tx_poll [2021-11-23 01:26:56,181 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_tx_poll [2021-11-23 01:26:56,181 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_phy_config_fixed [2021-11-23 01:26:56,181 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_phy_config_fixed [2021-11-23 01:26:56,181 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_phy_stop [2021-11-23 01:26:56,182 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_phy_stop [2021-11-23 01:26:56,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:26:56,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:26:56,182 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_an_irq_work [2021-11-23 01:26:56,182 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_an_irq_work [2021-11-23 01:26:56,182 INFO L130 BoogieDeclarations]: Found specification of procedure __xgbe_phy_config_aneg [2021-11-23 01:26:56,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __xgbe_phy_config_aneg [2021-11-23 01:26:56,183 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_phy_status_aneg [2021-11-23 01:26:56,183 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_phy_status_aneg [2021-11-23 01:26:56,183 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_powerdown [2021-11-23 01:26:56,183 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_powerdown [2021-11-23 01:26:56,183 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_xmit [2021-11-23 01:26:56,183 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_xmit [2021-11-23 01:26:56,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 01:26:56,184 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_check_link_timeout [2021-11-23 01:26:56,184 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_check_link_timeout [2021-11-23 01:26:56,184 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_restart [2021-11-23 01:26:56,184 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_restart [2021-11-23 01:26:56,184 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_close [2021-11-23 01:26:56,184 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_close [2021-11-23 01:26:56,184 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_set_mac_address [2021-11-23 01:26:56,184 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_set_mac_address [2021-11-23 01:26:56,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:26:56,185 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_phy_start [2021-11-23 01:26:56,185 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_phy_start [2021-11-23 01:26:56,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 01:26:56,185 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_2 [2021-11-23 01:26:56,185 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_2 [2021-11-23 01:26:56,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_117 [2021-11-23 01:26:56,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_117 [2021-11-23 01:26:56,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_118 [2021-11-23 01:26:56,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_118 [2021-11-23 01:26:56,186 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_an_state_machine [2021-11-23 01:26:56,187 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_an_state_machine [2021-11-23 01:26:56,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_48 [2021-11-23 01:26:56,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_48 [2021-11-23 01:26:56,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_46 [2021-11-23 01:26:56,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_46 [2021-11-23 01:26:56,187 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_one_poll [2021-11-23 01:26:56,187 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_one_poll [2021-11-23 01:26:56,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:26:56,188 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_2 [2021-11-23 01:26:56,188 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_2 [2021-11-23 01:26:56,188 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_wrapper_rx_descriptor_init [2021-11-23 01:26:56,188 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_wrapper_rx_descriptor_init [2021-11-23 01:26:56,188 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_disable_rx_tx_ints [2021-11-23 01:26:56,189 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_disable_rx_tx_ints [2021-11-23 01:26:56,189 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_xgmii_mode [2021-11-23 01:26:56,189 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_xgmii_mode [2021-11-23 01:26:56,189 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_init [2021-11-23 01:26:56,189 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_init [2021-11-23 01:26:56,189 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_switch_mode [2021-11-23 01:26:56,189 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_switch_mode [2021-11-23 01:26:56,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-23 01:26:56,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:26:56,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 01:26:56,190 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_phy_init [2021-11-23 01:26:56,190 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_phy_init [2021-11-23 01:26:56,190 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_suspend [2021-11-23 01:26:56,190 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_suspend [2021-11-23 01:26:56,191 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-23 01:26:56,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-23 01:26:56,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 01:26:56,191 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_isr [2021-11-23 01:26:56,191 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_isr [2021-11-23 01:26:56,191 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 01:26:56,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 01:26:56,192 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-23 01:26:56,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-23 01:26:56,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_work_311 [2021-11-23 01:26:56,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_work_311 [2021-11-23 01:26:56,192 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_probe [2021-11-23 01:26:56,192 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_probe [2021-11-23 01:26:56,193 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_rx_poll [2021-11-23 01:26:56,193 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_rx_poll [2021-11-23 01:26:56,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 01:26:56,193 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_gmii_2500_mode [2021-11-23 01:26:56,193 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_gmii_2500_mode [2021-11-23 01:26:56,193 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_phy_adjust_link [2021-11-23 01:26:56,193 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_phy_adjust_link [2021-11-23 01:26:56,194 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_gmii_mode [2021-11-23 01:26:56,194 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_gmii_mode [2021-11-23 01:26:56,194 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_phy_config_aneg [2021-11-23 01:26:56,194 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_phy_config_aneg [2021-11-23 01:26:56,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 01:26:56,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_49 [2021-11-23 01:26:56,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_49 [2021-11-23 01:26:56,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_47 [2021-11-23 01:26:56,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_47 [2021-11-23 01:26:56,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_43 [2021-11-23 01:26:56,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_43 [2021-11-23 01:26:56,195 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_poll_controller [2021-11-23 01:26:56,196 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_poll_controller [2021-11-23 01:26:56,196 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_all_poll [2021-11-23 01:26:56,196 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_all_poll [2021-11-23 01:26:56,196 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_open [2021-11-23 01:26:56,196 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_open [2021-11-23 01:26:56,196 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_restart_dev [2021-11-23 01:26:56,196 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_restart_dev [2021-11-23 01:26:56,197 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_init_tx_coalesce [2021-11-23 01:26:56,197 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_init_tx_coalesce [2021-11-23 01:26:56,197 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_phy_status [2021-11-23 01:26:56,197 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_phy_status [2021-11-23 01:26:56,197 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_init_rx_coalesce [2021-11-23 01:26:56,197 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_init_rx_coalesce [2021-11-23 01:26:56,198 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_service [2021-11-23 01:26:56,198 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_service [2021-11-23 01:26:56,198 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-23 01:26:56,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-23 01:26:56,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:26:58,841 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:26:58,843 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:30:51,883 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:30:51,922 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:30:51,922 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 01:30:51,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:30:51 BoogieIcfgContainer [2021-11-23 01:30:51,933 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:30:51,935 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 01:30:51,935 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 01:30:51,938 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 01:30:51,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:26:43" (1/3) ... [2021-11-23 01:30:51,939 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a75a986 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:30:51, skipping insertion in model container [2021-11-23 01:30:51,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:52" (2/3) ... [2021-11-23 01:30:51,940 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a75a986 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:30:51, skipping insertion in model container [2021-11-23 01:30:51,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:30:51" (3/3) ... [2021-11-23 01:30:51,944 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--xgbe--amd-xgbe.ko-entry_point.cil.out.i [2021-11-23 01:30:51,948 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 01:30:51,949 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2021-11-23 01:30:52,017 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 01:30:52,022 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 [2021-11-23 01:30:52,022 INFO L340 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2021-11-23 01:30:52,166 INFO L276 IsEmpty]: Start isEmpty. Operand has 9892 states, 9605 states have (on average 1.357209786569495) internal successors, (13036), 9642 states have internal predecessors, (13036), 214 states have call successors, (214), 62 states have call predecessors, (214), 62 states have return successors, (214), 197 states have call predecessors, (214), 214 states have call successors, (214) [2021-11-23 01:30:52,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 01:30:52,197 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:30:52,197 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 01:30:52,198 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting xgbe_wrapper_rx_descriptor_initErr0ASSERT_VIOLATIONERROR_FUNCTION === [xgbe_xmitErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2021-11-23 01:30:52,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:30:52,203 INFO L85 PathProgramCache]: Analyzing trace with hash -728323547, now seen corresponding path program 1 times [2021-11-23 01:30:52,211 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 01:30:52,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027976851] [2021-11-23 01:30:52,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:30:52,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:52,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:53,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:30:53,386 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 01:30:53,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027976851] [2021-11-23 01:30:53,387 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027976851] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:30:53,387 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:30:53,387 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 01:30:53,388 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754041016] [2021-11-23 01:30:53,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:30:53,394 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 01:30:53,394 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 01:30:53,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 01:30:53,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 01:30:53,447 INFO L87 Difference]: Start difference. First operand has 9892 states, 9605 states have (on average 1.357209786569495) internal successors, (13036), 9642 states have internal predecessors, (13036), 214 states have call successors, (214), 62 states have call predecessors, (214), 62 states have return successors, (214), 197 states have call predecessors, (214), 214 states have call successors, (214) Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 01:30:54,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:30:54,900 INFO L93 Difference]: Finished difference Result 29445 states and 40512 transitions. [2021-11-23 01:30:54,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 01:30:54,904 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-11-23 01:30:54,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:30:55,175 INFO L225 Difference]: With dead ends: 29445 [2021-11-23 01:30:55,176 INFO L226 Difference]: Without dead ends: 19374 [2021-11-23 01:30:55,398 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 01:30:55,402 INFO L933 BasicCegarLoop]: 13529 mSDtfsCounter, 13057 mSDsluCounter, 13287 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13057 SdHoareTripleChecker+Valid, 26816 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-23 01:30:55,403 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13057 Valid, 26816 Invalid, 23 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-23 01:30:55,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19374 states. [2021-11-23 01:30:56,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19374 to 19354. [2021-11-23 01:30:56,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19354 states, 18794 states have (on average 1.338884750452272) internal successors, (25163), 18857 states have internal predecessors, (25163), 426 states have call successors, (426), 124 states have call predecessors, (426), 124 states have return successors, (426), 392 states have call predecessors, (426), 426 states have call successors, (426) [2021-11-23 01:30:56,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19354 states to 19354 states and 26015 transitions. [2021-11-23 01:30:56,344 INFO L78 Accepts]: Start accepts. Automaton has 19354 states and 26015 transitions. Word has length 56 [2021-11-23 01:30:56,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:30:56,345 INFO L470 AbstractCegarLoop]: Abstraction has 19354 states and 26015 transitions. [2021-11-23 01:30:56,345 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 01:30:56,345 INFO L276 IsEmpty]: Start isEmpty. Operand 19354 states and 26015 transitions. [2021-11-23 01:30:56,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 01:30:56,353 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:30:56,353 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 01:30:56,354 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 01:30:56,354 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting xgbe_wrapper_rx_descriptor_initErr0ASSERT_VIOLATIONERROR_FUNCTION === [xgbe_xmitErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2021-11-23 01:30:56,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:30:56,355 INFO L85 PathProgramCache]: Analyzing trace with hash -1171310578, now seen corresponding path program 1 times [2021-11-23 01:30:56,355 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 01:30:56,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364418415] [2021-11-23 01:30:56,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:30:56,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:56,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:56,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:30:56,962 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 01:30:56,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364418415] [2021-11-23 01:30:56,962 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364418415] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:30:56,962 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:30:56,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 01:30:56,962 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557411014] [2021-11-23 01:30:56,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:30:56,964 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 01:30:56,964 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 01:30:56,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 01:30:56,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 01:30:56,965 INFO L87 Difference]: Start difference. First operand 19354 states and 26015 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (4), 1 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 01:30:58,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:30:58,854 INFO L93 Difference]: Finished difference Result 57845 states and 77698 transitions. [2021-11-23 01:30:58,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 01:30:58,855 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (4), 1 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2021-11-23 01:30:58,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:30:59,277 INFO L225 Difference]: With dead ends: 57845 [2021-11-23 01:30:59,277 INFO L226 Difference]: Without dead ends: 38501 [2021-11-23 01:30:59,528 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 01:30:59,530 INFO L933 BasicCegarLoop]: 13556 mSDtfsCounter, 12950 mSDsluCounter, 13066 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12950 SdHoareTripleChecker+Valid, 26622 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-23 01:30:59,530 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12950 Valid, 26622 Invalid, 65 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-23 01:30:59,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38501 states. [2021-11-23 01:31:00,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38501 to 38424. [2021-11-23 01:31:00,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38424 states, 37326 states have (on average 1.3380485452499598) internal successors, (49944), 37443 states have internal predecessors, (49944), 840 states have call successors, (840), 248 states have call predecessors, (840), 248 states have return successors, (840), 772 states have call predecessors, (840), 840 states have call successors, (840) [2021-11-23 01:31:01,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38424 states to 38424 states and 51624 transitions. [2021-11-23 01:31:01,131 INFO L78 Accepts]: Start accepts. Automaton has 38424 states and 51624 transitions. Word has length 68 [2021-11-23 01:31:01,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:31:01,133 INFO L470 AbstractCegarLoop]: Abstraction has 38424 states and 51624 transitions. [2021-11-23 01:31:01,133 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (4), 1 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 01:31:01,134 INFO L276 IsEmpty]: Start isEmpty. Operand 38424 states and 51624 transitions. [2021-11-23 01:31:01,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-23 01:31:01,142 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:31:01,143 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-23 01:31:01,143 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 01:31:01,144 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting xgbe_wrapper_rx_descriptor_initErr0ASSERT_VIOLATIONERROR_FUNCTION === [xgbe_xmitErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2021-11-23 01:31:01,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:31:01,147 INFO L85 PathProgramCache]: Analyzing trace with hash -1125566443, now seen corresponding path program 1 times [2021-11-23 01:31:01,147 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 01:31:01,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70634436] [2021-11-23 01:31:01,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:31:01,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:01,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:02,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-23 01:31:02,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:02,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-23 01:31:02,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:02,232 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:31:02,232 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 01:31:02,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70634436] [2021-11-23 01:31:02,233 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70634436] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 01:31:02,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1930017495] [2021-11-23 01:31:02,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:31:02,237 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 01:31:02,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-23 01:31:02,238 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 01:31:02,240 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 01:31:06,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:06,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 10111 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 01:31:06,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:06,768 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:31:06,769 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 01:31:06,769 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1930017495] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:31:06,769 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-23 01:31:06,769 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-11-23 01:31:06,770 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066804956] [2021-11-23 01:31:06,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:31:06,770 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 01:31:06,770 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 01:31:06,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 01:31:06,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 01:31:06,771 INFO L87 Difference]: Start difference. First operand 38424 states and 51624 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 2 states have internal predecessors, (81), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 01:31:09,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:31:09,514 INFO L93 Difference]: Finished difference Result 115228 states and 154812 transitions. [2021-11-23 01:31:09,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 01:31:09,515 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 2 states have internal predecessors, (81), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 95 [2021-11-23 01:31:09,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:31:10,623 INFO L225 Difference]: With dead ends: 115228 [2021-11-23 01:31:10,624 INFO L226 Difference]: Without dead ends: 76814 [2021-11-23 01:31:11,018 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 01:31:11,019 INFO L933 BasicCegarLoop]: 13471 mSDtfsCounter, 13105 mSDsluCounter, 13122 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13105 SdHoareTripleChecker+Valid, 26593 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 01:31:11,020 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13105 Valid, 26593 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 01:31:11,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76814 states. [2021-11-23 01:31:12,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76814 to 76794. [2021-11-23 01:31:13,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76794 states, 74616 states have (on average 1.3379972123941246) internal successors, (99836), 74841 states have internal predecessors, (99836), 1672 states have call successors, (1672), 496 states have call predecessors, (1672), 496 states have return successors, (1672), 1536 states have call predecessors, (1672), 1672 states have call successors, (1672) [2021-11-23 01:31:14,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76794 states to 76794 states and 103180 transitions. [2021-11-23 01:31:14,058 INFO L78 Accepts]: Start accepts. Automaton has 76794 states and 103180 transitions. Word has length 95 [2021-11-23 01:31:14,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:31:14,059 INFO L470 AbstractCegarLoop]: Abstraction has 76794 states and 103180 transitions. [2021-11-23 01:31:14,059 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 2 states have internal predecessors, (81), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 01:31:14,060 INFO L276 IsEmpty]: Start isEmpty. Operand 76794 states and 103180 transitions. [2021-11-23 01:31:14,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-23 01:31:14,069 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:31:14,069 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 01:31:14,140 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-23 01:31:14,287 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 01:31:14,288 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION === [xgbe_xmitErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2021-11-23 01:31:14,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:31:14,288 INFO L85 PathProgramCache]: Analyzing trace with hash 967292582, now seen corresponding path program 1 times [2021-11-23 01:31:14,288 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 01:31:14,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020169165] [2021-11-23 01:31:14,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:31:14,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:14,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:15,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:31:15,242 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 01:31:15,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020169165] [2021-11-23 01:31:15,242 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020169165] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:31:15,242 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:31:15,242 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 01:31:15,242 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143342518] [2021-11-23 01:31:15,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:31:15,243 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 01:31:15,243 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 01:31:15,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 01:31:15,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 01:31:15,243 INFO L87 Difference]: Start difference. First operand 76794 states and 103180 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 01:31:22,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:31:22,007 INFO L93 Difference]: Finished difference Result 226122 states and 306280 transitions. [2021-11-23 01:31:22,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 01:31:22,009 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2021-11-23 01:31:22,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:31:23,843 INFO L225 Difference]: With dead ends: 226122 [2021-11-23 01:31:23,843 INFO L226 Difference]: Without dead ends: 149338 [2021-11-23 01:31:24,720 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 01:31:24,721 INFO L933 BasicCegarLoop]: 13686 mSDtfsCounter, 12524 mSDsluCounter, 13164 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12524 SdHoareTripleChecker+Valid, 26850 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-23 01:31:24,721 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12524 Valid, 26850 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-23 01:31:24,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149338 states. [2021-11-23 01:31:28,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149338 to 148558. [2021-11-23 01:31:28,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148558 states, 144516 states have (on average 1.3362395859282017) internal successors, (193108), 144973 states have internal predecessors, (193108), 3072 states have call successors, (3072), 984 states have call predecessors, (3072), 960 states have return successors, (6072), 2760 states have call predecessors, (6072), 3072 states have call successors, (6072) [2021-11-23 01:31:30,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148558 states to 148558 states and 202252 transitions. [2021-11-23 01:31:30,585 INFO L78 Accepts]: Start accepts. Automaton has 148558 states and 202252 transitions. Word has length 90 [2021-11-23 01:31:30,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:31:30,586 INFO L470 AbstractCegarLoop]: Abstraction has 148558 states and 202252 transitions. [2021-11-23 01:31:30,587 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 01:31:30,587 INFO L276 IsEmpty]: Start isEmpty. Operand 148558 states and 202252 transitions. [2021-11-23 01:31:30,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-23 01:31:30,599 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:31:30,599 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-23 01:31:30,599 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 01:31:30,600 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting xgbe_wrapper_rx_descriptor_initErr0ASSERT_VIOLATIONERROR_FUNCTION === [xgbe_xmitErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2021-11-23 01:31:30,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:31:30,600 INFO L85 PathProgramCache]: Analyzing trace with hash -331678780, now seen corresponding path program 1 times [2021-11-23 01:31:30,600 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 01:31:30,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464951885] [2021-11-23 01:31:30,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:31:30,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:31,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:31,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-23 01:31:31,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:31,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-23 01:31:31,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:31,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-23 01:31:31,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:31,981 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:31:31,982 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 01:31:31,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464951885] [2021-11-23 01:31:31,982 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464951885] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 01:31:31,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [381835855] [2021-11-23 01:31:31,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:31:31,983 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 01:31:31,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-23 01:31:31,984 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 01:31:31,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 01:31:35,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:35,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 10603 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 01:31:35,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:36,156 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:31:36,156 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 01:31:36,157 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [381835855] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:31:36,157 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-23 01:31:36,157 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-23 01:31:36,157 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938237654] [2021-11-23 01:31:36,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:31:36,158 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 01:31:36,158 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 01:31:36,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 01:31:36,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-23 01:31:36,159 INFO L87 Difference]: Start difference. First operand 148558 states and 202252 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)