./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_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-spinlock_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 149186aec1d1195bc4756996e4dfac757c293095efdef3b934d438ebebc20bfd --- Real Ultimate output --- This is Ultimate 0.2.1-dev-fcb8e13 [2021-11-23 03:59:47,261 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:59:47,263 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:59:47,289 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:59:47,297 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:59:47,299 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:59:47,301 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:59:47,305 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:59:47,307 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:59:47,309 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:59:47,309 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:59:47,314 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:59:47,315 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:59:47,317 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:59:47,318 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:59:47,320 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:59:47,321 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:59:47,321 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:59:47,325 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:59:47,329 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:59:47,330 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:59:47,331 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:59:47,332 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:59:47,332 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:59:47,337 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:59:47,337 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:59:47,338 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:59:47,339 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:59:47,339 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:59:47,340 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:59:47,340 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:59:47,340 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:59:47,341 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:59:47,342 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:59:47,343 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:59:47,343 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:59:47,344 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:59:47,344 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:59:47,345 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:59:47,345 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:59:47,346 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:59:47,346 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-23 03:59:47,370 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:59:47,372 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:59:47,372 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:59:47,372 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:59:47,373 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 03:59:47,373 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 03:59:47,374 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 03:59:47,374 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:59:47,374 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 03:59:47,374 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:59:47,375 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 03:59:47,375 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:59:47,375 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 03:59:47,375 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 03:59:47,375 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:59:47,375 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 03:59:47,375 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:59:47,376 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 03:59:47,376 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:59:47,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:59:47,376 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:59:47,376 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:59:47,376 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 03:59:47,376 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 03:59:47,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 03:59:47,377 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-23 03:59:47,377 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-23 03:59:47,377 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 03:59:47,377 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:59:47,377 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 149186aec1d1195bc4756996e4dfac757c293095efdef3b934d438ebebc20bfd [2021-11-23 03:59:47,563 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:59:47,582 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:59:47,584 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:59:47,585 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:59:47,586 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:59:47,587 INFO L432 ainManager$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-spinlock_drivers-net-ethernet-chelsio-cxgb3-cxgb3.cil.i [2021-11-23 03:59:47,630 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5fb1c2787/b7788ac1022c400aa2264c035bc61464/FLAG1001b077b [2021-11-23 03:59:48,602 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:59:48,602 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-chelsio-cxgb3-cxgb3.cil.i [2021-11-23 03:59:48,702 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5fb1c2787/b7788ac1022c400aa2264c035bc61464/FLAG1001b077b [2021-11-23 03:59:48,871 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5fb1c2787/b7788ac1022c400aa2264c035bc61464 [2021-11-23 03:59:48,873 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:59:48,875 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:59:48,875 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:59:48,876 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:59:48,878 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:59:48,879 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:59:48" (1/1) ... [2021-11-23 03:59:48,880 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dbc30ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:48, skipping insertion in model container [2021-11-23 03:59:48,881 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:59:48" (1/1) ... [2021-11-23 03:59:48,886 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:59:49,092 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 04:00:12,662 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-spinlock_drivers-net-ethernet-chelsio-cxgb3-cxgb3.cil.i[1191127,1191140] [2021-11-23 04:00:12,664 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-spinlock_drivers-net-ethernet-chelsio-cxgb3-cxgb3.cil.i[1191296,1191309] [2021-11-23 04:00:12,664 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-spinlock_drivers-net-ethernet-chelsio-cxgb3-cxgb3.cil.i[1191463,1191476] [2021-11-23 04:00:12,665 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-spinlock_drivers-net-ethernet-chelsio-cxgb3-cxgb3.cil.i[1191631,1191644] [2021-11-23 04:00:12,766 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 04:00:12,862 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 04:00:14,168 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-spinlock_drivers-net-ethernet-chelsio-cxgb3-cxgb3.cil.i[1191127,1191140] [2021-11-23 04:00:14,169 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-spinlock_drivers-net-ethernet-chelsio-cxgb3-cxgb3.cil.i[1191296,1191309] [2021-11-23 04:00:14,169 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-spinlock_drivers-net-ethernet-chelsio-cxgb3-cxgb3.cil.i[1191463,1191476] [2021-11-23 04:00:14,170 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-spinlock_drivers-net-ethernet-chelsio-cxgb3-cxgb3.cil.i[1191631,1191644] [2021-11-23 04:00:14,183 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 04:00:15,369 INFO L208 MainTranslator]: Completed translation [2021-11-23 04:00:15,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:00:15 WrapperNode [2021-11-23 04:00:15,369 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 04:00:15,370 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 04:00:15,370 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 04:00:15,371 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 04:00:15,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:00:15" (1/1) ... [2021-11-23 04:00:15,628 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:00:15" (1/1) ... [2021-11-23 04:00:24,405 INFO L137 Inliner]: procedures = 1547, calls = 13785, calls flagged for inlining = 4322, calls inlined = 57244, statements flattened = 562461 [2021-11-23 04:00:24,406 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 04:00:24,406 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 04:00:24,406 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 04:00:24,406 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 04:00:24,413 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:00:15" (1/1) ... [2021-11-23 04:00:24,413 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:00:15" (1/1) ... [2021-11-23 04:00:26,805 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:00:15" (1/1) ... [2021-11-23 04:00:26,806 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:00:15" (1/1) ... [2021-11-23 04:00:31,030 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:00:15" (1/1) ... [2021-11-23 04:00:32,485 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:00:15" (1/1) ... [2021-11-23 04:00:33,046 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:00:15" (1/1) ... [2021-11-23 04:00:35,590 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 04:00:35,593 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 04:00:35,593 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 04:00:35,593 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 04:00:35,599 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:00:15" (1/1) ... [2021-11-23 04:00:35,607 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 04:00:35,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-23 04:00:35,628 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 04:00:35,678 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 04:00:35,702 INFO L130 BoogieDeclarations]: Found specification of procedure t3_adap_check_task [2021-11-23 04:00:35,703 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_adap_check_task [2021-11-23 04:00:35,703 INFO L130 BoogieDeclarations]: Found specification of procedure cxgb_redirect [2021-11-23 04:00:35,703 INFO L138 BoogieDeclarations]: Found implementation of procedure cxgb_redirect [2021-11-23 04:00:35,706 INFO L130 BoogieDeclarations]: Found specification of procedure set_settings [2021-11-23 04:00:35,706 INFO L138 BoogieDeclarations]: Found implementation of procedure set_settings [2021-11-23 04:00:35,706 INFO L130 BoogieDeclarations]: Found specification of procedure cxgb_neigh_update [2021-11-23 04:00:35,706 INFO L138 BoogieDeclarations]: Found implementation of procedure cxgb_neigh_update [2021-11-23 04:00:35,706 INFO L130 BoogieDeclarations]: Found specification of procedure t3_resume_ports [2021-11-23 04:00:35,707 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_resume_ports [2021-11-23 04:00:35,707 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-23 04:00:35,707 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-11-23 04:00:35,707 INFO L130 BoogieDeclarations]: Found specification of procedure t3_replay_prep_adapter [2021-11-23 04:00:35,707 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_replay_prep_adapter [2021-11-23 04:00:35,707 INFO L130 BoogieDeclarations]: Found specification of procedure ael2020_intr_enable [2021-11-23 04:00:35,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ael2020_intr_enable [2021-11-23 04:00:35,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 04:00:35,707 INFO L130 BoogieDeclarations]: Found specification of procedure process_responses [2021-11-23 04:00:35,708 INFO L138 BoogieDeclarations]: Found implementation of procedure process_responses [2021-11-23 04:00:35,708 INFO L130 BoogieDeclarations]: Found specification of procedure check_t3b2_mac [2021-11-23 04:00:35,708 INFO L138 BoogieDeclarations]: Found implementation of procedure check_t3b2_mac [2021-11-23 04:00:35,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 04:00:35,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2021-11-23 04:00:35,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2021-11-23 04:00:35,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 04:00:35,708 INFO L130 BoogieDeclarations]: Found specification of procedure cxgb3_offload_activate [2021-11-23 04:00:35,708 INFO L138 BoogieDeclarations]: Found implementation of procedure cxgb3_offload_activate [2021-11-23 04:00:35,709 INFO L130 BoogieDeclarations]: Found specification of procedure setup_l2e_send_pending [2021-11-23 04:00:35,709 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_l2e_send_pending [2021-11-23 04:00:35,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 04:00:35,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 04:00:35,709 INFO L130 BoogieDeclarations]: Found specification of procedure t3_os_link_changed [2021-11-23 04:00:35,709 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_os_link_changed [2021-11-23 04:00:35,709 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-23 04:00:35,709 INFO L130 BoogieDeclarations]: Found specification of procedure t3_prep_adapter [2021-11-23 04:00:35,710 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_prep_adapter [2021-11-23 04:00:35,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 04:00:35,710 INFO L130 BoogieDeclarations]: Found specification of procedure fatal_error_task [2021-11-23 04:00:35,710 INFO L138 BoogieDeclarations]: Found implementation of procedure fatal_error_task [2021-11-23 04:00:35,710 INFO L130 BoogieDeclarations]: Found specification of procedure cxgb3_ofld_send [2021-11-23 04:00:35,710 INFO L138 BoogieDeclarations]: Found implementation of procedure cxgb3_ofld_send [2021-11-23 04:00:35,710 INFO L130 BoogieDeclarations]: Found specification of procedure t3_phy_intr_handler [2021-11-23 04:00:35,710 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_phy_intr_handler [2021-11-23 04:00:35,711 INFO L130 BoogieDeclarations]: Found specification of procedure process_rx [2021-11-23 04:00:35,711 INFO L138 BoogieDeclarations]: Found implementation of procedure process_rx [2021-11-23 04:00:35,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 04:00:35,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_40_2 [2021-11-23 04:00:35,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_40_2 [2021-11-23 04:00:35,711 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2021-11-23 04:00:35,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2021-11-23 04:00:35,712 INFO L130 BoogieDeclarations]: Found specification of procedure cxgb_open [2021-11-23 04:00:35,712 INFO L138 BoogieDeclarations]: Found implementation of procedure cxgb_open [2021-11-23 04:00:35,712 INFO L130 BoogieDeclarations]: Found specification of procedure t3_intr [2021-11-23 04:00:35,713 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_intr [2021-11-23 04:00:35,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 04:00:35,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 04:00:35,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-11-23 04:00:35,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-11-23 04:00:35,713 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-23 04:00:35,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-23 04:00:35,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 04:00:35,713 INFO L130 BoogieDeclarations]: Found specification of procedure remove_one [2021-11-23 04:00:35,714 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_one [2021-11-23 04:00:35,714 INFO L130 BoogieDeclarations]: Found specification of procedure offload_close [2021-11-23 04:00:35,714 INFO L138 BoogieDeclarations]: Found implementation of procedure offload_close [2021-11-23 04:00:35,714 INFO L130 BoogieDeclarations]: Found specification of procedure link_start [2021-11-23 04:00:35,714 INFO L138 BoogieDeclarations]: Found implementation of procedure link_start [2021-11-23 04:00:35,714 INFO L130 BoogieDeclarations]: Found specification of procedure cxgb3_add_clients [2021-11-23 04:00:35,714 INFO L138 BoogieDeclarations]: Found implementation of procedure cxgb3_add_clients [2021-11-23 04:00:35,714 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 04:00:35,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 04:00:35,715 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-23 04:00:35,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-23 04:00:35,715 INFO L130 BoogieDeclarations]: Found specification of procedure cxgb3_process_iscsi_prov_pack [2021-11-23 04:00:35,715 INFO L138 BoogieDeclarations]: Found implementation of procedure cxgb3_process_iscsi_prov_pack [2021-11-23 04:00:35,715 INFO L130 BoogieDeclarations]: Found specification of procedure t3_io_resume [2021-11-23 04:00:35,715 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_io_resume [2021-11-23 04:00:35,715 INFO L130 BoogieDeclarations]: Found specification of procedure restart_autoneg [2021-11-23 04:00:35,715 INFO L138 BoogieDeclarations]: Found implementation of procedure restart_autoneg [2021-11-23 04:00:35,715 INFO L130 BoogieDeclarations]: Found specification of procedure do_abort_req_rss [2021-11-23 04:00:35,715 INFO L138 BoogieDeclarations]: Found implementation of procedure do_abort_req_rss [2021-11-23 04:00:35,716 INFO L130 BoogieDeclarations]: Found specification of procedure napi_rx_handler [2021-11-23 04:00:35,716 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_rx_handler [2021-11-23 04:00:35,716 INFO L130 BoogieDeclarations]: Found specification of procedure t3b_intr [2021-11-23 04:00:35,716 INFO L138 BoogieDeclarations]: Found implementation of procedure t3b_intr [2021-11-23 04:00:35,716 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-23 04:00:35,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-23 04:00:35,716 INFO L130 BoogieDeclarations]: Found specification of procedure t3_intr_msi [2021-11-23 04:00:35,716 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_intr_msi [2021-11-23 04:00:35,716 INFO L130 BoogieDeclarations]: Found specification of procedure t3_reenable_adapter [2021-11-23 04:00:35,717 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_reenable_adapter [2021-11-23 04:00:35,717 INFO L130 BoogieDeclarations]: Found specification of procedure nb_callback [2021-11-23 04:00:35,717 INFO L138 BoogieDeclarations]: Found implementation of procedure nb_callback [2021-11-23 04:00:35,717 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-23 04:00:35,717 INFO L130 BoogieDeclarations]: Found specification of procedure offload_open [2021-11-23 04:00:35,717 INFO L138 BoogieDeclarations]: Found implementation of procedure offload_open [2021-11-23 04:00:35,717 INFO L130 BoogieDeclarations]: Found specification of procedure process_responses_gts [2021-11-23 04:00:35,717 INFO L138 BoogieDeclarations]: Found implementation of procedure process_responses_gts [2021-11-23 04:00:35,717 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~~irqreturn_t~0 [2021-11-23 04:00:35,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~~irqreturn_t~0 [2021-11-23 04:00:35,718 INFO L130 BoogieDeclarations]: Found specification of procedure rx_offload [2021-11-23 04:00:35,718 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_offload [2021-11-23 04:00:35,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_95 [2021-11-23 04:00:35,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_95 [2021-11-23 04:00:35,718 INFO L130 BoogieDeclarations]: Found specification of procedure t3_sge_intr_msix [2021-11-23 04:00:35,718 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_sge_intr_msix [2021-11-23 04:00:35,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 04:00:35,718 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 04:00:35,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 04:00:35,719 INFO L130 BoogieDeclarations]: Found specification of procedure t3_port_intr_clear [2021-11-23 04:00:35,719 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_port_intr_clear [2021-11-23 04:00:35,719 INFO L130 BoogieDeclarations]: Found specification of procedure cxgb3_remove_clients [2021-11-23 04:00:35,719 INFO L138 BoogieDeclarations]: Found implementation of procedure cxgb3_remove_clients [2021-11-23 04:00:35,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 04:00:35,719 INFO L130 BoogieDeclarations]: Found specification of procedure init_one [2021-11-23 04:00:35,719 INFO L138 BoogieDeclarations]: Found implementation of procedure init_one [2021-11-23 04:00:35,719 INFO L130 BoogieDeclarations]: Found specification of procedure cxgb_netpoll [2021-11-23 04:00:35,720 INFO L138 BoogieDeclarations]: Found implementation of procedure cxgb_netpoll [2021-11-23 04:00:35,720 INFO L130 BoogieDeclarations]: Found specification of procedure cxgb3_register_client [2021-11-23 04:00:35,720 INFO L138 BoogieDeclarations]: Found implementation of procedure cxgb3_register_client [2021-11-23 04:00:35,720 INFO L130 BoogieDeclarations]: Found specification of procedure check_link_status [2021-11-23 04:00:35,720 INFO L138 BoogieDeclarations]: Found implementation of procedure check_link_status [2021-11-23 04:00:35,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_97 [2021-11-23 04:00:35,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_97 [2021-11-23 04:00:35,720 INFO L130 BoogieDeclarations]: Found specification of procedure ext_intr_task [2021-11-23 04:00:35,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ext_intr_task [2021-11-23 04:00:35,721 INFO L130 BoogieDeclarations]: Found specification of procedure t3_link_changed [2021-11-23 04:00:35,721 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_link_changed [2021-11-23 04:00:35,721 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-11-23 04:00:35,721 INFO L130 BoogieDeclarations]: Found specification of procedure t3_adapter_error [2021-11-23 04:00:35,721 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_adapter_error [2021-11-23 04:00:35,721 INFO L130 BoogieDeclarations]: Found specification of procedure cxgb3_unregister_client [2021-11-23 04:00:35,721 INFO L138 BoogieDeclarations]: Found implementation of procedure cxgb3_unregister_client [2021-11-23 04:00:35,721 INFO L130 BoogieDeclarations]: Found specification of procedure rx_eth [2021-11-23 04:00:35,721 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_eth [2021-11-23 04:00:35,721 INFO L130 BoogieDeclarations]: Found specification of procedure handle_failed_resolution [2021-11-23 04:00:35,722 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_failed_resolution [2021-11-23 04:00:35,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_open_38_6 [2021-11-23 04:00:35,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_open_38_6 [2021-11-23 04:00:35,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 04:00:35,722 INFO L130 BoogieDeclarations]: Found specification of procedure t3_l2t_update [2021-11-23 04:00:35,722 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_l2t_update [2021-11-23 04:00:35,722 INFO L130 BoogieDeclarations]: Found specification of procedure t3_process_tid_release_list [2021-11-23 04:00:35,722 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_process_tid_release_list [2021-11-23 04:00:35,722 INFO L130 BoogieDeclarations]: Found specification of procedure deliver_partial_bundle [2021-11-23 04:00:35,722 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver_partial_bundle [2021-11-23 04:00:35,723 INFO L130 BoogieDeclarations]: Found specification of procedure t3_link_start [2021-11-23 04:00:35,723 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_link_start [2021-11-23 04:00:35,723 INFO L130 BoogieDeclarations]: Found specification of procedure cxgb_up [2021-11-23 04:00:35,723 INFO L138 BoogieDeclarations]: Found implementation of procedure cxgb_up [2021-11-23 04:00:35,723 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-11-23 04:00:35,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-11-23 04:00:35,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 04:00:35,723 INFO L130 BoogieDeclarations]: Found specification of procedure t3_port_intr_enable [2021-11-23 04:00:35,723 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_port_intr_enable [2021-11-23 04:00:35,723 INFO L130 BoogieDeclarations]: Found specification of procedure cxgb_close [2021-11-23 04:00:35,724 INFO L138 BoogieDeclarations]: Found implementation of procedure cxgb_close [2021-11-23 04:00:35,724 INFO L130 BoogieDeclarations]: Found specification of procedure ofld_poll [2021-11-23 04:00:35,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ofld_poll [2021-11-23 04:00:35,724 INFO L130 BoogieDeclarations]: Found specification of procedure t3_intr_clear [2021-11-23 04:00:35,724 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_intr_clear [2021-11-23 04:00:35,724 INFO L130 BoogieDeclarations]: Found specification of procedure set_l2t_ix [2021-11-23 04:00:35,724 INFO L138 BoogieDeclarations]: Found implementation of procedure set_l2t_ix [2021-11-23 04:00:35,724 INFO L130 BoogieDeclarations]: Found specification of procedure __cxgb_close [2021-11-23 04:00:35,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __cxgb_close [2021-11-23 04:00:35,724 INFO L130 BoogieDeclarations]: Found specification of procedure set_pauseparam [2021-11-23 04:00:35,725 INFO L138 BoogieDeclarations]: Found implementation of procedure set_pauseparam [2021-11-23 04:00:35,725 INFO L130 BoogieDeclarations]: Found specification of procedure t3_port_intr_disable [2021-11-23 04:00:35,725 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_port_intr_disable [2021-11-23 04:00:35,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 04:00:35,725 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-23 04:00:35,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-23 04:00:40,506 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 04:00:40,508 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 04:11:02,021 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#2: ldv_switch_1_#res#1 := 0; [2021-11-23 04:11:02,021 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#3: ldv_switch_1_#res#1 := 0; [2021-11-23 04:11:02,021 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#1: ldv_switch_1_#res#1 := 0; [2021-11-23 04:11:02,021 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#1: ldv_switch_2_#res#1 := 0; [2021-11-23 04:11:02,021 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#2: ldv_switch_2_#res#1 := 0; [2021-11-23 04:11:02,021 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#3: ldv_switch_2_#res#1 := 0; [2021-11-23 04:11:02,023 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#4: ldv_switch_2_#res#1 := 0; [2021-11-23 04:11:02,025 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#5: ldv_switch_2_#res#1 := 0; [2021-11-23 04:11:02,026 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#6: ldv_switch_2_#res#1 := 0; [2021-11-23 04:11:02,026 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#7: ldv_switch_2_#res#1 := 0; [2021-11-23 04:11:02,026 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#1: ldv_switch_0_#res#1 := 0; [2021-11-23 04:11:02,026 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#2: ldv_switch_0_#res#1 := 0; [2021-11-23 04:11:02,029 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-23 04:12:45,203 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 04:12:45,348 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 04:12:45,348 INFO L301 CfgBuilder]: Removed 149 assume(true) statements. [2021-11-23 04:12:45,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:12:45 BoogieIcfgContainer [2021-11-23 04:12:45,406 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 04:12:45,409 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 04:12:45,409 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 04:12:45,412 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 04:12:45,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:59:48" (1/3) ... [2021-11-23 04:12:45,413 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@acca5bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:12:45, skipping insertion in model container [2021-11-23 04:12:45,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:00:15" (2/3) ... [2021-11-23 04:12:45,413 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@acca5bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:12:45, skipping insertion in model container [2021-11-23 04:12:45,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:12:45" (3/3) ... [2021-11-23 04:12:45,416 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-chelsio-cxgb3-cxgb3.cil.i [2021-11-23 04:12:45,419 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 04:12:45,419 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 508 error locations. [2021-11-23 04:12:45,607 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 04:12:45,612 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 04:12:45,612 INFO L340 AbstractCegarLoop]: Starting to check reachability of 508 error locations. [2021-11-23 04:12:46,367 INFO L276 IsEmpty]: Start isEmpty. Operand has 93605 states, 92870 states have (on average 1.2444923010660063) internal successors, (115576), 93398 states have internal predecessors, (115576), 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 04:12:46,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2021-11-23 04:12:46,386 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:12:46,386 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] [2021-11-23 04:12:46,387 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr109ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~int~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~int~X~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION (and 506 more)] === [2021-11-23 04:12:46,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:12:46,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1089836370, now seen corresponding path program 1 times [2021-11-23 04:12:46,398 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:12:46,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387023496] [2021-11-23 04:12:46,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:12:46,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:12:47,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:12:48,028 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 04:12:48,029 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:12:48,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387023496] [2021-11-23 04:12:48,029 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387023496] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:12:48,029 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:12:48,029 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 04:12:48,030 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225421340] [2021-11-23 04:12:48,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:12:48,034 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 04:12:48,034 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:12:48,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 04:12:48,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 04:12:48,172 INFO L87 Difference]: Start difference. First operand has 93605 states, 92870 states have (on average 1.2444923010660063) internal successors, (115576), 93398 states have internal predecessors, (115576), 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 113.0) internal successors, (339), 3 states have internal predecessors, (339), 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 04:12:54,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:12:54,276 INFO L93 Difference]: Finished difference Result 275170 states and 340680 transitions. [2021-11-23 04:12:54,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 04:12:54,289 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 113.0) internal successors, (339), 3 states have internal predecessors, (339), 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 339 [2021-11-23 04:12:54,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:12:55,159 INFO L225 Difference]: With dead ends: 275170 [2021-11-23 04:12:55,160 INFO L226 Difference]: Without dead ends: 180764 [2021-11-23 04:12:55,904 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 04:12:55,906 INFO L933 BasicCegarLoop]: 114642 mSDtfsCounter, 109394 mSDsluCounter, 114211 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109394 SdHoareTripleChecker+Valid, 228853 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.7s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-23 04:12:55,907 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [109394 Valid, 228853 Invalid, 135 Unknown, 0 Unchecked, 0.7s Time], IncrementalHoareTripleChecker [7 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-23 04:12:56,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180764 states. [2021-11-23 04:12:59,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180764 to 179466. [2021-11-23 04:12:59,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179466 states, 178512 states have (on average 1.2226965133996595) internal successors, (218266), 179062 states have internal predecessors, (218266), 299 states have call successors, (299), 150 states have call predecessors, (299), 147 states have return successors, (592), 279 states have call predecessors, (592), 299 states have call successors, (592) [2021-11-23 04:13:00,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179466 states to 179466 states and 219157 transitions. [2021-11-23 04:13:00,934 INFO L78 Accepts]: Start accepts. Automaton has 179466 states and 219157 transitions. Word has length 339 [2021-11-23 04:13:00,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:13:00,938 INFO L470 AbstractCegarLoop]: Abstraction has 179466 states and 219157 transitions. [2021-11-23 04:13:00,939 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.0) internal successors, (339), 3 states have internal predecessors, (339), 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 04:13:00,940 INFO L276 IsEmpty]: Start isEmpty. Operand 179466 states and 219157 transitions. [2021-11-23 04:13:00,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2021-11-23 04:13:00,946 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:13:00,951 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 04:13:00,952 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 04:13:00,952 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t3_process_tid_release_listErr0ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~int~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~int~X~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION (and 506 more)] === [2021-11-23 04:13:00,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:13:00,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1684413956, now seen corresponding path program 1 times [2021-11-23 04:13:00,954 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:13:00,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144882384] [2021-11-23 04:13:00,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:13:00,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:13:01,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat