./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-chelsio-cxgb3-cxgb3.cil.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-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-chelsio-cxgb3-cxgb3.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 9042704dfedde7c8f38e47e12488f2c61f6c83b3ebca97c72ebc7e2639f6be7a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-fcb8e13 [2021-11-23 03:49:59,413 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:49:59,415 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:49:59,446 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:49:59,447 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:49:59,449 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:49:59,451 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:49:59,454 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:49:59,456 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:49:59,460 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:49:59,461 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:49:59,462 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:49:59,462 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:49:59,464 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:49:59,466 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:49:59,469 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:49:59,469 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:49:59,470 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:49:59,474 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:49:59,475 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:49:59,476 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:49:59,479 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:49:59,480 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:49:59,481 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:49:59,482 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:49:59,484 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:49:59,484 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:49:59,485 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:49:59,485 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:49:59,486 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:49:59,486 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:49:59,486 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:49:59,487 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:49:59,488 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:49:59,489 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:49:59,489 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:49:59,490 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:49:59,490 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:49:59,490 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:49:59,491 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:49:59,491 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:49:59,492 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-23 03:49:59,510 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:49:59,512 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:49:59,512 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:49:59,513 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:49:59,514 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 03:49:59,514 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 03:49:59,514 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 03:49:59,514 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:49:59,514 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 03:49:59,514 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:49:59,515 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 03:49:59,515 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:49:59,515 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 03:49:59,515 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 03:49:59,516 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:49:59,516 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 03:49:59,516 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:49:59,516 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 03:49:59,516 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:49:59,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:49:59,516 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:49:59,517 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:49:59,517 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 03:49:59,517 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 03:49:59,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 03:49:59,517 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-23 03:49:59,517 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-23 03:49:59,518 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 03:49:59,519 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:49:59,519 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9042704dfedde7c8f38e47e12488f2c61f6c83b3ebca97c72ebc7e2639f6be7a [2021-11-23 03:49:59,748 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:49:59,768 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:49:59,770 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:49:59,771 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:49:59,772 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:49:59,773 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-chelsio-cxgb3-cxgb3.cil.i [2021-11-23 03:49:59,822 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1422f23b/41da183112234271a7e9d1d6da025b63/FLAG8c1bcf1dc [2021-11-23 03:50:00,769 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:50:00,770 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-chelsio-cxgb3-cxgb3.cil.i [2021-11-23 03:50:00,856 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1422f23b/41da183112234271a7e9d1d6da025b63/FLAG8c1bcf1dc [2021-11-23 03:50:01,346 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1422f23b/41da183112234271a7e9d1d6da025b63 [2021-11-23 03:50:01,348 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:50:01,349 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:50:01,352 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:50:01,352 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:50:01,354 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:50:01,355 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:50:01" (1/1) ... [2021-11-23 03:50:01,356 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45c67ec6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:01, skipping insertion in model container [2021-11-23 03:50:01,356 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:50:01" (1/1) ... [2021-11-23 03:50:01,360 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:50:01,578 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:50:19,432 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-kernel-locking-mutex_drivers-net-ethernet-chelsio-cxgb3-cxgb3.cil.i[1133725,1133738] [2021-11-23 03:50:19,435 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-kernel-locking-mutex_drivers-net-ethernet-chelsio-cxgb3-cxgb3.cil.i[1133891,1133904] [2021-11-23 03:50:19,435 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-kernel-locking-mutex_drivers-net-ethernet-chelsio-cxgb3-cxgb3.cil.i[1134055,1134068] [2021-11-23 03:50:19,435 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-kernel-locking-mutex_drivers-net-ethernet-chelsio-cxgb3-cxgb3.cil.i[1134220,1134233] [2021-11-23 03:50:19,490 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:50:19,552 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 03:50:20,789 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-kernel-locking-mutex_drivers-net-ethernet-chelsio-cxgb3-cxgb3.cil.i[1133725,1133738] [2021-11-23 03:50:20,790 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-kernel-locking-mutex_drivers-net-ethernet-chelsio-cxgb3-cxgb3.cil.i[1133891,1133904] [2021-11-23 03:50:20,791 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-kernel-locking-mutex_drivers-net-ethernet-chelsio-cxgb3-cxgb3.cil.i[1134055,1134068] [2021-11-23 03:50:20,803 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-kernel-locking-mutex_drivers-net-ethernet-chelsio-cxgb3-cxgb3.cil.i[1134220,1134233] [2021-11-23 03:50:20,809 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:50:21,713 INFO L208 MainTranslator]: Completed translation [2021-11-23 03:50:21,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:21 WrapperNode [2021-11-23 03:50:21,714 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:50:21,715 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 03:50:21,715 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 03:50:21,715 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 03:50:21,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:21" (1/1) ... [2021-11-23 03:50:21,979 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:21" (1/1) ... [2021-11-23 03:50:30,289 INFO L137 Inliner]: procedures = 1383, calls = 13441, calls flagged for inlining = 3962, calls inlined = 60620, statements flattened = 576690 [2021-11-23 03:50:30,290 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 03:50:30,291 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 03:50:30,291 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 03:50:30,291 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 03:50:30,297 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:21" (1/1) ... [2021-11-23 03:50:30,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:21" (1/1) ... [2021-11-23 03:50:32,575 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:21" (1/1) ... [2021-11-23 03:50:32,576 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:21" (1/1) ... [2021-11-23 03:50:37,099 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:21" (1/1) ... [2021-11-23 03:50:38,424 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:21" (1/1) ... [2021-11-23 03:50:38,974 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:21" (1/1) ... [2021-11-23 03:50:41,185 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 03:50:41,196 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 03:50:41,196 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 03:50:41,196 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 03:50:41,204 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:21" (1/1) ... [2021-11-23 03:50:41,209 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:50:41,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-23 03:50:41,232 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 03:50:41,234 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 03:50:41,266 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-23 03:50:41,267 INFO L130 BoogieDeclarations]: Found specification of procedure t3_adap_check_task [2021-11-23 03:50:41,267 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_adap_check_task [2021-11-23 03:50:41,267 INFO L130 BoogieDeclarations]: Found specification of procedure cxgb_redirect [2021-11-23 03:50:41,267 INFO L138 BoogieDeclarations]: Found implementation of procedure cxgb_redirect [2021-11-23 03:50:41,268 INFO L130 BoogieDeclarations]: Found specification of procedure offload_open [2021-11-23 03:50:41,268 INFO L138 BoogieDeclarations]: Found implementation of procedure offload_open [2021-11-23 03:50:41,268 INFO L130 BoogieDeclarations]: Found specification of procedure set_settings [2021-11-23 03:50:41,268 INFO L138 BoogieDeclarations]: Found implementation of procedure set_settings [2021-11-23 03:50:41,268 INFO L130 BoogieDeclarations]: Found specification of procedure process_responses_gts [2021-11-23 03:50:41,268 INFO L138 BoogieDeclarations]: Found implementation of procedure process_responses_gts [2021-11-23 03:50:41,268 INFO L130 BoogieDeclarations]: Found specification of procedure cxgb_neigh_update [2021-11-23 03:50:41,268 INFO L138 BoogieDeclarations]: Found implementation of procedure cxgb_neigh_update [2021-11-23 03:50:41,268 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~~irqreturn_t~0 [2021-11-23 03:50:41,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~~irqreturn_t~0 [2021-11-23 03:50:41,269 INFO L130 BoogieDeclarations]: Found specification of procedure t3_resume_ports [2021-11-23 03:50:41,269 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_resume_ports [2021-11-23 03:50:41,269 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-23 03:50:41,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_26 [2021-11-23 03:50:41,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_26 [2021-11-23 03:50:41,269 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-11-23 03:50:41,269 INFO L130 BoogieDeclarations]: Found specification of procedure rx_offload [2021-11-23 03:50:41,269 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_offload [2021-11-23 03:50:41,269 INFO L130 BoogieDeclarations]: Found specification of procedure t3_replay_prep_adapter [2021-11-23 03:50:41,269 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_replay_prep_adapter [2021-11-23 03:50:41,269 INFO L130 BoogieDeclarations]: Found specification of procedure ael2020_intr_enable [2021-11-23 03:50:41,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ael2020_intr_enable [2021-11-23 03:50:41,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 03:50:41,270 INFO L130 BoogieDeclarations]: Found specification of procedure process_responses [2021-11-23 03:50:41,270 INFO L138 BoogieDeclarations]: Found implementation of procedure process_responses [2021-11-23 03:50:41,270 INFO L130 BoogieDeclarations]: Found specification of procedure check_t3b2_mac [2021-11-23 03:50:41,270 INFO L138 BoogieDeclarations]: Found implementation of procedure check_t3b2_mac [2021-11-23 03:50:41,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 03:50:41,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2021-11-23 03:50:41,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2021-11-23 03:50:41,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 03:50:41,271 INFO L130 BoogieDeclarations]: Found specification of procedure cxgb3_offload_activate [2021-11-23 03:50:41,271 INFO L138 BoogieDeclarations]: Found implementation of procedure cxgb3_offload_activate [2021-11-23 03:50:41,272 INFO L130 BoogieDeclarations]: Found specification of procedure t3_sge_intr_msix [2021-11-23 03:50:41,272 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_sge_intr_msix [2021-11-23 03:50:41,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 03:50:41,272 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 03:50:41,273 INFO L130 BoogieDeclarations]: Found specification of procedure setup_l2e_send_pending [2021-11-23 03:50:41,273 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_l2e_send_pending [2021-11-23 03:50:41,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 03:50:41,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 03:50:41,273 INFO L130 BoogieDeclarations]: Found specification of procedure t3_os_link_changed [2021-11-23 03:50:41,273 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_os_link_changed [2021-11-23 03:50:41,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 03:50:41,274 INFO L130 BoogieDeclarations]: Found specification of procedure t3_port_intr_clear [2021-11-23 03:50:41,274 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_port_intr_clear [2021-11-23 03:50:41,274 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-23 03:50:41,275 INFO L130 BoogieDeclarations]: Found specification of procedure cxgb3_remove_clients [2021-11-23 03:50:41,275 INFO L138 BoogieDeclarations]: Found implementation of procedure cxgb3_remove_clients [2021-11-23 03:50:41,275 INFO L130 BoogieDeclarations]: Found specification of procedure t3_prep_adapter [2021-11-23 03:50:41,275 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_prep_adapter [2021-11-23 03:50:41,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 03:50:41,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 03:50:41,276 INFO L130 BoogieDeclarations]: Found specification of procedure init_one [2021-11-23 03:50:41,276 INFO L138 BoogieDeclarations]: Found implementation of procedure init_one [2021-11-23 03:50:41,276 INFO L130 BoogieDeclarations]: Found specification of procedure cxgb_netpoll [2021-11-23 03:50:41,276 INFO L138 BoogieDeclarations]: Found implementation of procedure cxgb_netpoll [2021-11-23 03:50:41,276 INFO L130 BoogieDeclarations]: Found specification of procedure fatal_error_task [2021-11-23 03:50:41,277 INFO L138 BoogieDeclarations]: Found implementation of procedure fatal_error_task [2021-11-23 03:50:41,277 INFO L130 BoogieDeclarations]: Found specification of procedure cxgb3_ofld_send [2021-11-23 03:50:41,277 INFO L138 BoogieDeclarations]: Found implementation of procedure cxgb3_ofld_send [2021-11-23 03:50:41,277 INFO L130 BoogieDeclarations]: Found specification of procedure t3_phy_intr_handler [2021-11-23 03:50:41,278 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_phy_intr_handler [2021-11-23 03:50:41,278 INFO L130 BoogieDeclarations]: Found specification of procedure cxgb3_register_client [2021-11-23 03:50:41,278 INFO L138 BoogieDeclarations]: Found implementation of procedure cxgb3_register_client [2021-11-23 03:50:41,278 INFO L130 BoogieDeclarations]: Found specification of procedure process_rx [2021-11-23 03:50:41,278 INFO L138 BoogieDeclarations]: Found implementation of procedure process_rx [2021-11-23 03:50:41,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 03:50:41,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_40_2 [2021-11-23 03:50:41,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_40_2 [2021-11-23 03:50:41,279 INFO L130 BoogieDeclarations]: Found specification of procedure check_link_status [2021-11-23 03:50:41,279 INFO L138 BoogieDeclarations]: Found implementation of procedure check_link_status [2021-11-23 03:50:41,279 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2021-11-23 03:50:41,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2021-11-23 03:50:41,279 INFO L130 BoogieDeclarations]: Found specification of procedure ext_intr_task [2021-11-23 03:50:41,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ext_intr_task [2021-11-23 03:50:41,280 INFO L130 BoogieDeclarations]: Found specification of procedure t3_link_changed [2021-11-23 03:50:41,280 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_link_changed [2021-11-23 03:50:41,280 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-11-23 03:50:41,280 INFO L130 BoogieDeclarations]: Found specification of procedure t3_adapter_error [2021-11-23 03:50:41,280 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_adapter_error [2021-11-23 03:50:41,281 INFO L130 BoogieDeclarations]: Found specification of procedure cxgb_open [2021-11-23 03:50:41,281 INFO L138 BoogieDeclarations]: Found implementation of procedure cxgb_open [2021-11-23 03:50:41,281 INFO L130 BoogieDeclarations]: Found specification of procedure t3_intr [2021-11-23 03:50:41,281 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_intr [2021-11-23 03:50:41,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 03:50:41,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 03:50:41,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-11-23 03:50:41,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-11-23 03:50:41,282 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-23 03:50:41,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-23 03:50:41,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 03:50:41,282 INFO L130 BoogieDeclarations]: Found specification of procedure cxgb3_unregister_client [2021-11-23 03:50:41,283 INFO L138 BoogieDeclarations]: Found implementation of procedure cxgb3_unregister_client [2021-11-23 03:50:41,283 INFO L130 BoogieDeclarations]: Found specification of procedure remove_one [2021-11-23 03:50:41,283 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_one [2021-11-23 03:50:41,283 INFO L130 BoogieDeclarations]: Found specification of procedure offload_close [2021-11-23 03:50:41,283 INFO L138 BoogieDeclarations]: Found implementation of procedure offload_close [2021-11-23 03:50:41,283 INFO L130 BoogieDeclarations]: Found specification of procedure link_start [2021-11-23 03:50:41,283 INFO L138 BoogieDeclarations]: Found implementation of procedure link_start [2021-11-23 03:50:41,283 INFO L130 BoogieDeclarations]: Found specification of procedure rx_eth [2021-11-23 03:50:41,284 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_eth [2021-11-23 03:50:41,284 INFO L130 BoogieDeclarations]: Found specification of procedure cxgb3_add_clients [2021-11-23 03:50:41,284 INFO L138 BoogieDeclarations]: Found implementation of procedure cxgb3_add_clients [2021-11-23 03:50:41,284 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 03:50:41,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 03:50:41,284 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-23 03:50:41,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-23 03:50:41,285 INFO L130 BoogieDeclarations]: Found specification of procedure cxgb3_process_iscsi_prov_pack [2021-11-23 03:50:41,286 INFO L138 BoogieDeclarations]: Found implementation of procedure cxgb3_process_iscsi_prov_pack [2021-11-23 03:50:41,287 INFO L130 BoogieDeclarations]: Found specification of procedure handle_failed_resolution [2021-11-23 03:50:41,288 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_failed_resolution [2021-11-23 03:50:41,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_open_38_6 [2021-11-23 03:50:41,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_open_38_6 [2021-11-23 03:50:41,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 03:50:41,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_24 [2021-11-23 03:50:41,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_24 [2021-11-23 03:50:41,290 INFO L130 BoogieDeclarations]: Found specification of procedure t3_l2t_update [2021-11-23 03:50:41,290 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_l2t_update [2021-11-23 03:50:41,303 INFO L130 BoogieDeclarations]: Found specification of procedure t3_process_tid_release_list [2021-11-23 03:50:41,303 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_process_tid_release_list [2021-11-23 03:50:41,303 INFO L130 BoogieDeclarations]: Found specification of procedure deliver_partial_bundle [2021-11-23 03:50:41,303 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver_partial_bundle [2021-11-23 03:50:41,303 INFO L130 BoogieDeclarations]: Found specification of procedure t3_link_start [2021-11-23 03:50:41,303 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_link_start [2021-11-23 03:50:41,304 INFO L130 BoogieDeclarations]: Found specification of procedure cxgb_up [2021-11-23 03:50:41,304 INFO L138 BoogieDeclarations]: Found implementation of procedure cxgb_up [2021-11-23 03:50:41,304 INFO L130 BoogieDeclarations]: Found specification of procedure t3_io_resume [2021-11-23 03:50:41,304 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_io_resume [2021-11-23 03:50:41,304 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-11-23 03:50:41,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-11-23 03:50:41,304 INFO L130 BoogieDeclarations]: Found specification of procedure restart_autoneg [2021-11-23 03:50:41,304 INFO L138 BoogieDeclarations]: Found implementation of procedure restart_autoneg [2021-11-23 03:50:41,304 INFO L130 BoogieDeclarations]: Found specification of procedure do_abort_req_rss [2021-11-23 03:50:41,304 INFO L138 BoogieDeclarations]: Found implementation of procedure do_abort_req_rss [2021-11-23 03:50:41,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 03:50:41,304 INFO L130 BoogieDeclarations]: Found specification of procedure t3_port_intr_enable [2021-11-23 03:50:41,304 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_port_intr_enable [2021-11-23 03:50:41,304 INFO L130 BoogieDeclarations]: Found specification of procedure cxgb_close [2021-11-23 03:50:41,304 INFO L138 BoogieDeclarations]: Found implementation of procedure cxgb_close [2021-11-23 03:50:41,304 INFO L130 BoogieDeclarations]: Found specification of procedure ofld_poll [2021-11-23 03:50:41,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ofld_poll [2021-11-23 03:50:41,305 INFO L130 BoogieDeclarations]: Found specification of procedure t3_intr_clear [2021-11-23 03:50:41,305 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_intr_clear [2021-11-23 03:50:41,305 INFO L130 BoogieDeclarations]: Found specification of procedure set_l2t_ix [2021-11-23 03:50:41,305 INFO L138 BoogieDeclarations]: Found implementation of procedure set_l2t_ix [2021-11-23 03:50:41,305 INFO L130 BoogieDeclarations]: Found specification of procedure __cxgb_close [2021-11-23 03:50:41,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __cxgb_close [2021-11-23 03:50:41,305 INFO L130 BoogieDeclarations]: Found specification of procedure napi_rx_handler [2021-11-23 03:50:41,305 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_rx_handler [2021-11-23 03:50:41,305 INFO L130 BoogieDeclarations]: Found specification of procedure t3b_intr [2021-11-23 03:50:41,305 INFO L138 BoogieDeclarations]: Found implementation of procedure t3b_intr [2021-11-23 03:50:41,305 INFO L130 BoogieDeclarations]: Found specification of procedure set_pauseparam [2021-11-23 03:50:41,305 INFO L138 BoogieDeclarations]: Found implementation of procedure set_pauseparam [2021-11-23 03:50:41,305 INFO L130 BoogieDeclarations]: Found specification of procedure t3_port_intr_disable [2021-11-23 03:50:41,305 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_port_intr_disable [2021-11-23 03:50:41,305 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-23 03:50:41,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-23 03:50:41,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 03:50:41,306 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-23 03:50:41,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-23 03:50:41,306 INFO L130 BoogieDeclarations]: Found specification of procedure t3_intr_msi [2021-11-23 03:50:41,306 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_intr_msi [2021-11-23 03:50:41,306 INFO L130 BoogieDeclarations]: Found specification of procedure t3_reenable_adapter [2021-11-23 03:50:41,306 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_reenable_adapter [2021-11-23 03:50:41,306 INFO L130 BoogieDeclarations]: Found specification of procedure nb_callback [2021-11-23 03:50:41,306 INFO L138 BoogieDeclarations]: Found implementation of procedure nb_callback [2021-11-23 03:50:45,242 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 03:50:45,244 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 04:02:55,731 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#1: ldv_switch_2_#res#1 := 0; [2021-11-23 04:02:55,731 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#2: ldv_switch_2_#res#1 := 0; [2021-11-23 04:02:55,731 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#3: ldv_switch_2_#res#1 := 0; [2021-11-23 04:02:55,731 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#4: ldv_switch_2_#res#1 := 0; [2021-11-23 04:02:55,731 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#5: ldv_switch_2_#res#1 := 0; [2021-11-23 04:02:55,731 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#6: ldv_switch_2_#res#1 := 0; [2021-11-23 04:02:55,732 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#7: ldv_switch_2_#res#1 := 0; [2021-11-23 04:02:55,732 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#1: ldv_switch_0_#res#1 := 0; [2021-11-23 04:02:55,732 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#2: ldv_switch_0_#res#1 := 0; [2021-11-23 04:02:55,737 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#2: ldv_switch_1_#res#1 := 0; [2021-11-23 04:02:55,737 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#3: ldv_switch_1_#res#1 := 0; [2021-11-23 04:02:55,737 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#1: ldv_switch_1_#res#1 := 0; [2021-11-23 04:02:55,738 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-23 04:02:56,018 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 04:02:56,191 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 04:02:56,191 INFO L301 CfgBuilder]: Removed 149 assume(true) statements. [2021-11-23 04:02:56,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:02:56 BoogieIcfgContainer [2021-11-23 04:02:56,250 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 04:02:56,252 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 04:02:56,252 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 04:02:56,256 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 04:02:56,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:50:01" (1/3) ... [2021-11-23 04:02:56,257 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@585c4639 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:02:56, skipping insertion in model container [2021-11-23 04:02:56,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:21" (2/3) ... [2021-11-23 04:02:56,258 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@585c4639 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:02:56, skipping insertion in model container [2021-11-23 04:02:56,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:02:56" (3/3) ... [2021-11-23 04:02:56,259 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-chelsio-cxgb3-cxgb3.cil.i [2021-11-23 04:02:56,262 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 04:02:56,263 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2609 error locations. [2021-11-23 04:02:56,479 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 04:02:56,484 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 04:02:56,484 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2609 error locations. [2021-11-23 04:02:57,387 INFO L276 IsEmpty]: Start isEmpty. Operand has 102403 states, 99567 states have (on average 1.2658109614631354) internal successors, (126033), 102196 states have internal predecessors, (126033), 152 states have call successors, (152), 75 states have call predecessors, (152), 75 states have return successors, (152), 144 states have call predecessors, (152), 152 states have call successors, (152) [2021-11-23 04:02:57,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2021-11-23 04:02:57,412 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:02:57,412 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:02:57,413 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr417ASSERT_VIOLATIONERROR_FUNCTION === [ael2020_intr_enableErr0ASSERT_VIOLATIONERROR_FUNCTION, ael2020_intr_enableErr1ASSERT_VIOLATIONERROR_FUNCTION, ael2020_intr_enableErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2606 more)] === [2021-11-23 04:02:57,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:02:57,419 INFO L85 PathProgramCache]: Analyzing trace with hash -131525496, now seen corresponding path program 1 times [2021-11-23 04:02:57,425 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:02:57,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939906544] [2021-11-23 04:02:57,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:02:57,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:02:58,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:02:58,985 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 04:02:58,985 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:02:58,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939906544] [2021-11-23 04:02:58,986 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939906544] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:02:58,986 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:02:58,986 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 04:02:58,987 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767789913] [2021-11-23 04:02:58,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:02:58,990 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 04:02:58,991 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:02:59,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 04:02:59,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 04:02:59,120 INFO L87 Difference]: Start difference. First operand has 102403 states, 99567 states have (on average 1.2658109614631354) internal successors, (126033), 102196 states have internal predecessors, (126033), 152 states have call successors, (152), 75 states have call predecessors, (152), 75 states have return successors, (152), 144 states have call predecessors, (152), 152 states have call successors, (152) Second operand has 3 states, 3 states have (on average 113.33333333333333) internal successors, (340), 3 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:03:04,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:03:04,748 INFO L93 Difference]: Finished difference Result 301643 states and 372085 transitions. [2021-11-23 04:03:04,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 04:03:04,750 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 113.33333333333333) internal successors, (340), 3 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 340 [2021-11-23 04:03:04,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:03:05,472 INFO L225 Difference]: With dead ends: 301643 [2021-11-23 04:03:05,472 INFO L226 Difference]: Without dead ends: 199291 [2021-11-23 04:03:06,406 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 04:03:06,409 INFO L933 BasicCegarLoop]: 122691 mSDtfsCounter, 118000 mSDsluCounter, 122482 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118000 SdHoareTripleChecker+Valid, 245173 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.6s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-23 04:03:06,410 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [118000 Valid, 245173 Invalid, 68 Unknown, 0 Unchecked, 0.6s Time], IncrementalHoareTripleChecker [7 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-23 04:03:06,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199291 states. [2021-11-23 04:03:10,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199291 to 194199. [2021-11-23 04:03:10,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194199 states, 191136 states have (on average 1.2314477649422402) internal successors, (235374), 193786 states have internal predecessors, (235374), 304 states have call successors, (304), 150 states have call predecessors, (304), 150 states have return successors, (304), 288 states have call predecessors, (304), 304 states have call successors, (304) [2021-11-23 04:03:11,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194199 states to 194199 states and 235982 transitions. [2021-11-23 04:03:11,516 INFO L78 Accepts]: Start accepts. Automaton has 194199 states and 235982 transitions. Word has length 340 [2021-11-23 04:03:11,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:03:11,518 INFO L470 AbstractCegarLoop]: Abstraction has 194199 states and 235982 transitions. [2021-11-23 04:03:11,518 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.33333333333333) internal successors, (340), 3 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:03:11,518 INFO L276 IsEmpty]: Start isEmpty. Operand 194199 states and 235982 transitions. [2021-11-23 04:03:11,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2021-11-23 04:03:11,527 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:03:11,527 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:03:11,527 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 04:03:11,528 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ael2020_intr_enableErr0ASSERT_VIOLATIONERROR_FUNCTION, ael2020_intr_enableErr1ASSERT_VIOLATIONERROR_FUNCTION, ael2020_intr_enableErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2606 more)] === [2021-11-23 04:03:11,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:03:11,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1711691875, now seen corresponding path program 1 times [2021-11-23 04:03:11,529 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:03:11,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887078494] [2021-11-23 04:03:11,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:03:11,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:03:11,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat