./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-drivers-clk1_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-linux-3.14/linux-3.14_complex_emg_linux-drivers-clk1_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 51b4e59be06569bf357e251086c9639ed9354d7148f9dec47411073249619e5b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-fcb8e13 [2021-11-23 02:17:55,513 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:17:55,515 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:17:55,543 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:17:55,544 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:17:55,544 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:17:55,560 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:17:55,561 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:17:55,562 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:17:55,562 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:17:55,563 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:17:55,564 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:17:55,564 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:17:55,565 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:17:55,566 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:17:55,567 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:17:55,567 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:17:55,568 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:17:55,569 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:17:55,570 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:17:55,571 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:17:55,583 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:17:55,584 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:17:55,586 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:17:55,588 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:17:55,590 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:17:55,591 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:17:55,593 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:17:55,594 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:17:55,595 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:17:55,596 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:17:55,596 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:17:55,597 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:17:55,598 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:17:55,598 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:17:55,599 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:17:55,600 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:17:55,600 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:17:55,600 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:17:55,601 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:17:55,601 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:17:55,602 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-23 02:17:55,631 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:17:55,631 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:17:55,631 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:17:55,631 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:17:55,633 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 02:17:55,633 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 02:17:55,633 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 02:17:55,633 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:17:55,633 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:17:55,633 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:17:55,634 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:17:55,634 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:17:55,634 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:17:55,634 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:17:55,635 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:17:55,635 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:17:55,635 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:17:55,635 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 02:17:55,635 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:17:55,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:17:55,636 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:17:55,636 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:17:55,636 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:17:55,636 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 02:17:55,636 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:17:55,636 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-23 02:17:55,636 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-23 02:17:55,637 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:17:55,637 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:17:55,637 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 51b4e59be06569bf357e251086c9639ed9354d7148f9dec47411073249619e5b [2021-11-23 02:17:55,851 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:17:55,865 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:17:55,867 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:17:55,868 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:17:55,869 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:17:55,869 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-chelsio-cxgb3-cxgb3.cil.i [2021-11-23 02:17:55,922 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0e33b0e4/2598ca1ee73244578fe1f1ecd02f1584/FLAGefb6bdfea [2021-11-23 02:17:56,898 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:17:56,899 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-chelsio-cxgb3-cxgb3.cil.i [2021-11-23 02:17:56,979 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0e33b0e4/2598ca1ee73244578fe1f1ecd02f1584/FLAGefb6bdfea [2021-11-23 02:17:57,460 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0e33b0e4/2598ca1ee73244578fe1f1ecd02f1584 [2021-11-23 02:17:57,462 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:17:57,464 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:17:57,467 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:17:57,467 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:17:57,470 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:17:57,470 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:17:57" (1/1) ... [2021-11-23 02:17:57,471 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4aefe9cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:17:57, skipping insertion in model container [2021-11-23 02:17:57,472 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:17:57" (1/1) ... [2021-11-23 02:17:57,476 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:17:57,646 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:18:17,116 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-chelsio-cxgb3-cxgb3.cil.i[1113560,1113573] [2021-11-23 02:18:17,179 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:18:17,314 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:18:18,524 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-chelsio-cxgb3-cxgb3.cil.i[1113560,1113573] [2021-11-23 02:18:18,531 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:18:19,317 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:18:19,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:19 WrapperNode [2021-11-23 02:18:19,318 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:18:19,320 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:18:19,320 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:18:19,320 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:18:19,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:19" (1/1) ... [2021-11-23 02:18:19,616 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:19" (1/1) ... [2021-11-23 02:18:26,985 INFO L137 Inliner]: procedures = 1324, calls = 13340, calls flagged for inlining = 3883, calls inlined = 55420, statements flattened = 554568 [2021-11-23 02:18:26,985 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:18:26,986 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:18:26,986 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:18:26,986 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:18:26,993 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:19" (1/1) ... [2021-11-23 02:18:26,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:19" (1/1) ... [2021-11-23 02:18:29,207 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:19" (1/1) ... [2021-11-23 02:18:29,208 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:19" (1/1) ... [2021-11-23 02:18:34,507 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:19" (1/1) ... [2021-11-23 02:18:35,293 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:19" (1/1) ... [2021-11-23 02:18:35,853 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:19" (1/1) ... [2021-11-23 02:18:38,146 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:18:38,147 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:18:38,148 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:18:38,148 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:18:38,148 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:19" (1/1) ... [2021-11-23 02:18:38,154 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:18:38,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-23 02:18:38,195 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 02:18:38,219 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 02:18:38,262 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-23 02:18:38,262 INFO L130 BoogieDeclarations]: Found specification of procedure t3_adap_check_task [2021-11-23 02:18:38,262 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_adap_check_task [2021-11-23 02:18:38,262 INFO L130 BoogieDeclarations]: Found specification of procedure cxgb_redirect [2021-11-23 02:18:38,262 INFO L138 BoogieDeclarations]: Found implementation of procedure cxgb_redirect [2021-11-23 02:18:38,262 INFO L130 BoogieDeclarations]: Found specification of procedure offload_open [2021-11-23 02:18:38,263 INFO L138 BoogieDeclarations]: Found implementation of procedure offload_open [2021-11-23 02:18:38,263 INFO L130 BoogieDeclarations]: Found specification of procedure set_settings [2021-11-23 02:18:38,263 INFO L138 BoogieDeclarations]: Found implementation of procedure set_settings [2021-11-23 02:18:38,263 INFO L130 BoogieDeclarations]: Found specification of procedure process_responses_gts [2021-11-23 02:18:38,263 INFO L138 BoogieDeclarations]: Found implementation of procedure process_responses_gts [2021-11-23 02:18:38,263 INFO L130 BoogieDeclarations]: Found specification of procedure cxgb_neigh_update [2021-11-23 02:18:38,263 INFO L138 BoogieDeclarations]: Found implementation of procedure cxgb_neigh_update [2021-11-23 02:18:38,263 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~~irqreturn_t~0 [2021-11-23 02:18:38,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~~irqreturn_t~0 [2021-11-23 02:18:38,263 INFO L130 BoogieDeclarations]: Found specification of procedure t3_resume_ports [2021-11-23 02:18:38,263 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_resume_ports [2021-11-23 02:18:38,263 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-23 02:18:38,263 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-11-23 02:18:38,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_19 [2021-11-23 02:18:38,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_19 [2021-11-23 02:18:38,263 INFO L130 BoogieDeclarations]: Found specification of procedure rx_offload [2021-11-23 02:18:38,263 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_offload [2021-11-23 02:18:38,264 INFO L130 BoogieDeclarations]: Found specification of procedure t3_replay_prep_adapter [2021-11-23 02:18:38,264 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_replay_prep_adapter [2021-11-23 02:18:38,264 INFO L130 BoogieDeclarations]: Found specification of procedure ael2020_intr_enable [2021-11-23 02:18:38,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ael2020_intr_enable [2021-11-23 02:18:38,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 02:18:38,264 INFO L130 BoogieDeclarations]: Found specification of procedure process_responses [2021-11-23 02:18:38,264 INFO L138 BoogieDeclarations]: Found implementation of procedure process_responses [2021-11-23 02:18:38,264 INFO L130 BoogieDeclarations]: Found specification of procedure check_t3b2_mac [2021-11-23 02:18:38,264 INFO L138 BoogieDeclarations]: Found implementation of procedure check_t3b2_mac [2021-11-23 02:18:38,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 02:18:38,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2021-11-23 02:18:38,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2021-11-23 02:18:38,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:18:38,264 INFO L130 BoogieDeclarations]: Found specification of procedure cxgb3_offload_activate [2021-11-23 02:18:38,264 INFO L138 BoogieDeclarations]: Found implementation of procedure cxgb3_offload_activate [2021-11-23 02:18:38,264 INFO L130 BoogieDeclarations]: Found specification of procedure t3_sge_intr_msix [2021-11-23 02:18:38,264 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_sge_intr_msix [2021-11-23 02:18:38,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 02:18:38,265 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 02:18:38,265 INFO L130 BoogieDeclarations]: Found specification of procedure setup_l2e_send_pending [2021-11-23 02:18:38,265 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_l2e_send_pending [2021-11-23 02:18:38,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:18:38,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:18:38,265 INFO L130 BoogieDeclarations]: Found specification of procedure t3_os_link_changed [2021-11-23 02:18:38,265 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_os_link_changed [2021-11-23 02:18:38,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 02:18:38,265 INFO L130 BoogieDeclarations]: Found specification of procedure t3_port_intr_clear [2021-11-23 02:18:38,265 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_port_intr_clear [2021-11-23 02:18:38,265 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-23 02:18:38,265 INFO L130 BoogieDeclarations]: Found specification of procedure cxgb3_remove_clients [2021-11-23 02:18:38,265 INFO L138 BoogieDeclarations]: Found implementation of procedure cxgb3_remove_clients [2021-11-23 02:18:38,265 INFO L130 BoogieDeclarations]: Found specification of procedure t3_prep_adapter [2021-11-23 02:18:38,265 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_prep_adapter [2021-11-23 02:18:38,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 02:18:38,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 02:18:38,266 INFO L130 BoogieDeclarations]: Found specification of procedure init_one [2021-11-23 02:18:38,266 INFO L138 BoogieDeclarations]: Found implementation of procedure init_one [2021-11-23 02:18:38,266 INFO L130 BoogieDeclarations]: Found specification of procedure cxgb_netpoll [2021-11-23 02:18:38,266 INFO L138 BoogieDeclarations]: Found implementation of procedure cxgb_netpoll [2021-11-23 02:18:38,266 INFO L130 BoogieDeclarations]: Found specification of procedure fatal_error_task [2021-11-23 02:18:38,266 INFO L138 BoogieDeclarations]: Found implementation of procedure fatal_error_task [2021-11-23 02:18:38,266 INFO L130 BoogieDeclarations]: Found specification of procedure cxgb3_ofld_send [2021-11-23 02:18:38,266 INFO L138 BoogieDeclarations]: Found implementation of procedure cxgb3_ofld_send [2021-11-23 02:18:38,266 INFO L130 BoogieDeclarations]: Found specification of procedure t3_phy_intr_handler [2021-11-23 02:18:38,266 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_phy_intr_handler [2021-11-23 02:18:38,266 INFO L130 BoogieDeclarations]: Found specification of procedure cxgb3_register_client [2021-11-23 02:18:38,266 INFO L138 BoogieDeclarations]: Found implementation of procedure cxgb3_register_client [2021-11-23 02:18:38,266 INFO L130 BoogieDeclarations]: Found specification of procedure process_rx [2021-11-23 02:18:38,266 INFO L138 BoogieDeclarations]: Found implementation of procedure process_rx [2021-11-23 02:18:38,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 02:18:38,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_40_2 [2021-11-23 02:18:38,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_40_2 [2021-11-23 02:18:38,266 INFO L130 BoogieDeclarations]: Found specification of procedure check_link_status [2021-11-23 02:18:38,267 INFO L138 BoogieDeclarations]: Found implementation of procedure check_link_status [2021-11-23 02:18:38,267 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2021-11-23 02:18:38,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2021-11-23 02:18:38,267 INFO L130 BoogieDeclarations]: Found specification of procedure ext_intr_task [2021-11-23 02:18:38,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ext_intr_task [2021-11-23 02:18:38,267 INFO L130 BoogieDeclarations]: Found specification of procedure t3_link_changed [2021-11-23 02:18:38,267 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_link_changed [2021-11-23 02:18:38,267 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-11-23 02:18:38,267 INFO L130 BoogieDeclarations]: Found specification of procedure t3_adapter_error [2021-11-23 02:18:38,267 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_adapter_error [2021-11-23 02:18:38,267 INFO L130 BoogieDeclarations]: Found specification of procedure cxgb_open [2021-11-23 02:18:38,267 INFO L138 BoogieDeclarations]: Found implementation of procedure cxgb_open [2021-11-23 02:18:38,267 INFO L130 BoogieDeclarations]: Found specification of procedure t3_intr [2021-11-23 02:18:38,267 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_intr [2021-11-23 02:18:38,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 02:18:38,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 02:18:38,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-11-23 02:18:38,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-11-23 02:18:38,268 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-23 02:18:38,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-23 02:18:38,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 02:18:38,268 INFO L130 BoogieDeclarations]: Found specification of procedure cxgb3_unregister_client [2021-11-23 02:18:38,268 INFO L138 BoogieDeclarations]: Found implementation of procedure cxgb3_unregister_client [2021-11-23 02:18:38,268 INFO L130 BoogieDeclarations]: Found specification of procedure remove_one [2021-11-23 02:18:38,268 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_one [2021-11-23 02:18:38,268 INFO L130 BoogieDeclarations]: Found specification of procedure offload_close [2021-11-23 02:18:38,268 INFO L138 BoogieDeclarations]: Found implementation of procedure offload_close [2021-11-23 02:18:38,268 INFO L130 BoogieDeclarations]: Found specification of procedure link_start [2021-11-23 02:18:38,268 INFO L138 BoogieDeclarations]: Found implementation of procedure link_start [2021-11-23 02:18:38,268 INFO L130 BoogieDeclarations]: Found specification of procedure rx_eth [2021-11-23 02:18:38,268 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_eth [2021-11-23 02:18:38,268 INFO L130 BoogieDeclarations]: Found specification of procedure cxgb3_add_clients [2021-11-23 02:18:38,268 INFO L138 BoogieDeclarations]: Found implementation of procedure cxgb3_add_clients [2021-11-23 02:18:38,268 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 02:18:38,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 02:18:38,269 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-23 02:18:38,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-23 02:18:38,269 INFO L130 BoogieDeclarations]: Found specification of procedure cxgb3_process_iscsi_prov_pack [2021-11-23 02:18:38,269 INFO L138 BoogieDeclarations]: Found implementation of procedure cxgb3_process_iscsi_prov_pack [2021-11-23 02:18:38,269 INFO L130 BoogieDeclarations]: Found specification of procedure handle_failed_resolution [2021-11-23 02:18:38,269 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_failed_resolution [2021-11-23 02:18:38,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_open_38_6 [2021-11-23 02:18:38,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_open_38_6 [2021-11-23 02:18:38,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 02:18:38,269 INFO L130 BoogieDeclarations]: Found specification of procedure t3_l2t_update [2021-11-23 02:18:38,269 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_l2t_update [2021-11-23 02:18:38,269 INFO L130 BoogieDeclarations]: Found specification of procedure t3_process_tid_release_list [2021-11-23 02:18:38,269 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_process_tid_release_list [2021-11-23 02:18:38,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_17 [2021-11-23 02:18:38,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_17 [2021-11-23 02:18:38,269 INFO L130 BoogieDeclarations]: Found specification of procedure deliver_partial_bundle [2021-11-23 02:18:38,269 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver_partial_bundle [2021-11-23 02:18:38,270 INFO L130 BoogieDeclarations]: Found specification of procedure t3_link_start [2021-11-23 02:18:38,270 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_link_start [2021-11-23 02:18:38,270 INFO L130 BoogieDeclarations]: Found specification of procedure cxgb_up [2021-11-23 02:18:38,270 INFO L138 BoogieDeclarations]: Found implementation of procedure cxgb_up [2021-11-23 02:18:38,270 INFO L130 BoogieDeclarations]: Found specification of procedure t3_io_resume [2021-11-23 02:18:38,270 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_io_resume [2021-11-23 02:18:38,270 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-11-23 02:18:38,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-11-23 02:18:38,270 INFO L130 BoogieDeclarations]: Found specification of procedure restart_autoneg [2021-11-23 02:18:38,270 INFO L138 BoogieDeclarations]: Found implementation of procedure restart_autoneg [2021-11-23 02:18:38,270 INFO L130 BoogieDeclarations]: Found specification of procedure do_abort_req_rss [2021-11-23 02:18:38,270 INFO L138 BoogieDeclarations]: Found implementation of procedure do_abort_req_rss [2021-11-23 02:18:38,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 02:18:38,270 INFO L130 BoogieDeclarations]: Found specification of procedure t3_port_intr_enable [2021-11-23 02:18:38,270 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_port_intr_enable [2021-11-23 02:18:38,270 INFO L130 BoogieDeclarations]: Found specification of procedure cxgb_close [2021-11-23 02:18:38,270 INFO L138 BoogieDeclarations]: Found implementation of procedure cxgb_close [2021-11-23 02:18:38,270 INFO L130 BoogieDeclarations]: Found specification of procedure ofld_poll [2021-11-23 02:18:38,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ofld_poll [2021-11-23 02:18:38,271 INFO L130 BoogieDeclarations]: Found specification of procedure t3_intr_clear [2021-11-23 02:18:38,271 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_intr_clear [2021-11-23 02:18:38,271 INFO L130 BoogieDeclarations]: Found specification of procedure set_l2t_ix [2021-11-23 02:18:38,271 INFO L138 BoogieDeclarations]: Found implementation of procedure set_l2t_ix [2021-11-23 02:18:38,271 INFO L130 BoogieDeclarations]: Found specification of procedure __cxgb_close [2021-11-23 02:18:38,271 INFO L138 BoogieDeclarations]: Found implementation of procedure __cxgb_close [2021-11-23 02:18:38,271 INFO L130 BoogieDeclarations]: Found specification of procedure napi_rx_handler [2021-11-23 02:18:38,271 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_rx_handler [2021-11-23 02:18:38,271 INFO L130 BoogieDeclarations]: Found specification of procedure t3b_intr [2021-11-23 02:18:38,271 INFO L138 BoogieDeclarations]: Found implementation of procedure t3b_intr [2021-11-23 02:18:38,271 INFO L130 BoogieDeclarations]: Found specification of procedure set_pauseparam [2021-11-23 02:18:38,271 INFO L138 BoogieDeclarations]: Found implementation of procedure set_pauseparam [2021-11-23 02:18:38,271 INFO L130 BoogieDeclarations]: Found specification of procedure t3_port_intr_disable [2021-11-23 02:18:38,271 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_port_intr_disable [2021-11-23 02:18:38,271 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-23 02:18:38,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-23 02:18:38,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:18:38,272 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-23 02:18:38,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-23 02:18:38,272 INFO L130 BoogieDeclarations]: Found specification of procedure t3_intr_msi [2021-11-23 02:18:38,272 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_intr_msi [2021-11-23 02:18:38,272 INFO L130 BoogieDeclarations]: Found specification of procedure t3_reenable_adapter [2021-11-23 02:18:38,272 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_reenable_adapter [2021-11-23 02:18:38,272 INFO L130 BoogieDeclarations]: Found specification of procedure nb_callback [2021-11-23 02:18:38,272 INFO L138 BoogieDeclarations]: Found implementation of procedure nb_callback [2021-11-23 02:18:43,138 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:18:43,140 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:30:35,082 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#2: ldv_switch_1_#res#1 := 0; [2021-11-23 02:30:35,082 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#3: ldv_switch_1_#res#1 := 0; [2021-11-23 02:30:35,083 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#1: ldv_switch_1_#res#1 := 0; [2021-11-23 02:30:35,083 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#1: ldv_switch_2_#res#1 := 0; [2021-11-23 02:30:35,083 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#2: ldv_switch_2_#res#1 := 0; [2021-11-23 02:30:35,083 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#3: ldv_switch_2_#res#1 := 0; [2021-11-23 02:30:35,083 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#4: ldv_switch_2_#res#1 := 0; [2021-11-23 02:30:35,083 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#5: ldv_switch_2_#res#1 := 0; [2021-11-23 02:30:35,083 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#6: ldv_switch_2_#res#1 := 0; [2021-11-23 02:30:35,083 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#7: ldv_switch_2_#res#1 := 0; [2021-11-23 02:30:35,084 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#1: ldv_switch_0_#res#1 := 0; [2021-11-23 02:30:35,084 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#2: ldv_switch_0_#res#1 := 0; [2021-11-23 02:30:35,086 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-23 02:30:35,275 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:30:35,443 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:30:35,443 INFO L301 CfgBuilder]: Removed 149 assume(true) statements. [2021-11-23 02:30:35,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:30:35 BoogieIcfgContainer [2021-11-23 02:30:35,499 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:30:35,500 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:30:35,500 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:30:35,503 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:30:35,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:17:57" (1/3) ... [2021-11-23 02:30:35,504 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38d81dc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:30:35, skipping insertion in model container [2021-11-23 02:30:35,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:19" (2/3) ... [2021-11-23 02:30:35,504 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38d81dc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:30:35, skipping insertion in model container [2021-11-23 02:30:35,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:30:35" (3/3) ... [2021-11-23 02:30:35,505 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-chelsio-cxgb3-cxgb3.cil.i [2021-11-23 02:30:35,508 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:30:35,508 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-23 02:30:35,703 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:30:35,715 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 02:30:35,718 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-23 02:30:36,442 INFO L276 IsEmpty]: Start isEmpty. Operand has 89385 states, 89155 states have (on average 1.2383938085356962) internal successors, (110409), 89178 states have internal predecessors, (110409), 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 02:30:36,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2021-11-23 02:30:36,469 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:30:36,470 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, 1, 1] [2021-11-23 02:30:36,470 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:30:36,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:30:36,474 INFO L85 PathProgramCache]: Analyzing trace with hash -612816885, now seen corresponding path program 1 times [2021-11-23 02:30:36,480 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 02:30:36,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433869256] [2021-11-23 02:30:36,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:30:36,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:30:37,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:30:37,848 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 02:30:37,850 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 02:30:37,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433869256] [2021-11-23 02:30:37,851 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433869256] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:30:37,851 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:30:37,852 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:30:37,853 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791783996] [2021-11-23 02:30:37,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:30:37,858 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:30:37,858 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 02:30:37,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:30:37,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:30:37,968 INFO L87 Difference]: Start difference. First operand has 89385 states, 89155 states have (on average 1.2383938085356962) internal successors, (110409), 89178 states have internal predecessors, (110409), 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 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 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 02:30:42,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:30:42,690 INFO L93 Difference]: Finished difference Result 264964 states and 328088 transitions. [2021-11-23 02:30:42,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:30:42,695 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 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 343 [2021-11-23 02:30:42,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:30:43,570 INFO L225 Difference]: With dead ends: 264964 [2021-11-23 02:30:43,571 INFO L226 Difference]: Without dead ends: 175648 [2021-11-23 02:30:43,911 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 02:30:43,914 INFO L933 BasicCegarLoop]: 109667 mSDtfsCounter, 107952 mSDsluCounter, 109294 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107952 SdHoareTripleChecker+Valid, 218961 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-23 02:30:43,914 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [107952 Valid, 218961 Invalid, 64 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [13 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-23 02:30:44,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175648 states. [2021-11-23 02:30:47,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175648 to 175648. [2021-11-23 02:30:47,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175648 states, 175191 states have (on average 1.225725065785343) internal successors, (214736), 175235 states have internal predecessors, (214736), 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 02:30:48,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175648 states to 175648 states and 215344 transitions. [2021-11-23 02:30:48,883 INFO L78 Accepts]: Start accepts. Automaton has 175648 states and 215344 transitions. Word has length 343 [2021-11-23 02:30:48,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:30:48,888 INFO L470 AbstractCegarLoop]: Abstraction has 175648 states and 215344 transitions. [2021-11-23 02:30:48,891 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 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 02:30:48,894 INFO L276 IsEmpty]: Start isEmpty. Operand 175648 states and 215344 transitions. [2021-11-23 02:30:49,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 434 [2021-11-23 02:30:49,084 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:30:49,084 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:30:49,085 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 02:30:49,086 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:30:49,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:30:49,088 INFO L85 PathProgramCache]: Analyzing trace with hash 2124653427, now seen corresponding path program 1 times [2021-11-23 02:30:49,088 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 02:30:49,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196750276] [2021-11-23 02:30:49,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:30:49,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:30:49,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:30:49,848 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:30:49,848 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 02:30:49,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196750276] [2021-11-23 02:30:49,848 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196750276] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:30:49,848 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:30:49,849 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:30:49,849 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325245680] [2021-11-23 02:30:49,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:30:49,850 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:30:49,850 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 02:30:49,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:30:49,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:30:49,851 INFO L87 Difference]: Start difference. First operand 175648 states and 215344 transitions. Second operand has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 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 02:30:52,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:30:52,887 INFO L93 Difference]: Finished difference Result 263180 states and 322706 transitions. [2021-11-23 02:30:52,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:30:52,888 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 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 433 [2021-11-23 02:30:52,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:30:53,993 INFO L225 Difference]: With dead ends: 263180 [2021-11-23 02:30:53,994 INFO L226 Difference]: Without dead ends: 175650