./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-dec-tulip-de4x5.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 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-dec-tulip-de4x5.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 52f53de973aa03e2a9eaadeeb26ce30c3104ed671c54a416d14fc4c2bdab8bd9 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 04:09:20,273 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 04:09:20,275 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 04:09:20,324 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 04:09:20,324 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 04:09:20,326 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 04:09:20,327 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 04:09:20,329 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 04:09:20,330 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 04:09:20,334 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 04:09:20,335 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 04:09:20,337 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 04:09:20,337 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 04:09:20,338 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 04:09:20,339 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 04:09:20,342 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 04:09:20,343 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 04:09:20,344 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 04:09:20,345 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 04:09:20,350 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 04:09:20,351 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 04:09:20,352 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 04:09:20,353 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 04:09:20,354 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 04:09:20,355 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 04:09:20,361 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 04:09:20,361 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 04:09:20,362 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 04:09:20,363 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 04:09:20,363 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 04:09:20,364 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 04:09:20,365 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 04:09:20,366 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 04:09:20,366 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 04:09:20,367 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 04:09:20,368 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 04:09:20,368 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 04:09:20,369 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 04:09:20,369 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 04:09:20,369 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 04:09:20,370 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 04:09:20,371 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 04:09:20,372 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 04:09:20,396 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 04:09:20,396 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 04:09:20,397 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 04:09:20,397 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 04:09:20,397 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 04:09:20,398 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 04:09:20,398 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 04:09:20,398 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 04:09:20,399 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 04:09:20,399 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 04:09:20,400 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 04:09:20,400 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 04:09:20,400 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 04:09:20,400 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 04:09:20,400 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 04:09:20,400 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 04:09:20,401 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 04:09:20,401 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 04:09:20,401 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 04:09:20,401 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 04:09:20,401 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 04:09:20,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 04:09:20,402 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 04:09:20,402 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 04:09:20,402 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 04:09:20,403 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 04:09:20,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 04:09:20,403 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 04:09:20,403 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 04:09:20,403 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 04:09:20,404 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52f53de973aa03e2a9eaadeeb26ce30c3104ed671c54a416d14fc4c2bdab8bd9 [2022-07-14 04:09:20,618 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 04:09:20,637 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 04:09:20,639 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 04:09:20,640 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 04:09:20,640 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 04:09:20,641 INFO L432 ainManager$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-dec-tulip-de4x5.cil.i [2022-07-14 04:09:20,693 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5302d4e1b/fbda0e5b5c8748c683cc224c8b5b2418/FLAGb0075c1fb [2022-07-14 04:09:21,363 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 04:09:21,363 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-dec-tulip-de4x5.cil.i [2022-07-14 04:09:21,411 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5302d4e1b/fbda0e5b5c8748c683cc224c8b5b2418/FLAGb0075c1fb [2022-07-14 04:09:21,479 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5302d4e1b/fbda0e5b5c8748c683cc224c8b5b2418 [2022-07-14 04:09:21,481 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 04:09:21,482 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 04:09:21,484 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 04:09:21,484 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 04:09:21,486 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 04:09:21,487 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:09:21" (1/1) ... [2022-07-14 04:09:21,487 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31d76968 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:09:21, skipping insertion in model container [2022-07-14 04:09:21,487 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:09:21" (1/1) ... [2022-07-14 04:09:21,509 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 04:09:21,619 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 04:09:25,098 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-dec-tulip-de4x5.cil.i[479863,479876] [2022-07-14 04:09:25,101 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-dec-tulip-de4x5.cil.i[480032,480045] [2022-07-14 04:09:25,101 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-dec-tulip-de4x5.cil.i[480199,480212] [2022-07-14 04:09:25,101 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-dec-tulip-de4x5.cil.i[480367,480380] [2022-07-14 04:09:25,128 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:09:25,166 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 04:09:25,533 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-dec-tulip-de4x5.cil.i[479863,479876] [2022-07-14 04:09:25,533 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-dec-tulip-de4x5.cil.i[480032,480045] [2022-07-14 04:09:25,534 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-dec-tulip-de4x5.cil.i[480199,480212] [2022-07-14 04:09:25,534 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-dec-tulip-de4x5.cil.i[480367,480380] [2022-07-14 04:09:25,539 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:09:25,669 INFO L208 MainTranslator]: Completed translation [2022-07-14 04:09:25,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:09:25 WrapperNode [2022-07-14 04:09:25,669 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 04:09:25,670 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 04:09:25,670 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 04:09:25,670 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 04:09:25,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:09:25" (1/1) ... [2022-07-14 04:09:25,739 ERROR L1136 TypeChecker]: C: lp->phy[lp->active].spd.value [10573]: Undeclared identifier #t~mem1644 in IdentifierExpression[#t~mem1644,] [2022-07-14 04:09:25,758 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:09:25" (1/1) ... [2022-07-14 04:09:25,758 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 04:09:25,759 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2022-07-14 04:09:25,760 INFO L158 Benchmark]: Toolchain (without parser) took 4277.51ms. Allocated memory was 107.0MB in the beginning and 209.7MB in the end (delta: 102.8MB). Free memory was 57.4MB in the beginning and 58.0MB in the end (delta: -625.7kB). Peak memory consumption was 101.5MB. Max. memory is 16.1GB. [2022-07-14 04:09:25,760 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 107.0MB. Free memory is still 63.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 04:09:25,761 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4185.57ms. Allocated memory was 107.0MB in the beginning and 209.7MB in the end (delta: 102.8MB). Free memory was 57.1MB in the beginning and 67.4MB in the end (delta: -10.3MB). Peak memory consumption was 114.1MB. Max. memory is 16.1GB. [2022-07-14 04:09:25,761 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.37ms. Allocated memory is still 209.7MB. Free memory was 67.4MB in the beginning and 58.0MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-14 04:09:25,764 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 107.0MB. Free memory is still 63.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4185.57ms. Allocated memory was 107.0MB in the beginning and 209.7MB in the end (delta: 102.8MB). Free memory was 57.1MB in the beginning and 67.4MB in the end (delta: -10.3MB). Peak memory consumption was 114.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.37ms. Allocated memory is still 209.7MB. Free memory was 67.4MB in the beginning and 58.0MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - TypeErrorResult [Line: 10573]: Type Error Undeclared identifier #t~mem1644 in IdentifierExpression[#t~mem1644,] RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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-dec-tulip-de4x5.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.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 52f53de973aa03e2a9eaadeeb26ce30c3104ed671c54a416d14fc4c2bdab8bd9 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 04:09:27,203 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 04:09:27,208 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 04:09:27,229 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 04:09:27,230 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 04:09:27,230 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 04:09:27,231 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 04:09:27,233 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 04:09:27,234 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 04:09:27,235 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 04:09:27,236 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 04:09:27,236 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 04:09:27,237 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 04:09:27,237 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 04:09:27,238 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 04:09:27,239 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 04:09:27,240 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 04:09:27,255 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 04:09:27,257 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 04:09:27,258 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 04:09:27,259 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 04:09:27,261 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 04:09:27,264 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 04:09:27,266 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 04:09:27,268 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 04:09:27,273 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 04:09:27,276 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 04:09:27,276 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 04:09:27,277 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 04:09:27,278 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 04:09:27,279 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 04:09:27,279 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 04:09:27,280 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 04:09:27,280 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 04:09:27,281 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 04:09:27,282 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 04:09:27,282 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 04:09:27,283 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 04:09:27,283 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 04:09:27,283 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 04:09:27,284 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 04:09:27,285 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 04:09:27,287 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-14 04:09:27,310 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 04:09:27,310 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 04:09:27,310 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 04:09:27,310 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 04:09:27,311 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 04:09:27,311 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 04:09:27,312 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 04:09:27,312 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 04:09:27,312 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 04:09:27,313 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 04:09:27,313 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 04:09:27,313 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 04:09:27,313 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 04:09:27,314 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 04:09:27,318 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-14 04:09:27,319 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-14 04:09:27,319 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-14 04:09:27,319 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 04:09:27,319 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 04:09:27,319 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 04:09:27,320 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 04:09:27,320 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 04:09:27,320 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 04:09:27,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 04:09:27,320 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 04:09:27,320 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 04:09:27,321 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 04:09:27,321 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-14 04:09:27,321 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-14 04:09:27,321 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 04:09:27,321 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 04:09:27,321 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 04:09:27,322 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-14 04:09:27,322 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52f53de973aa03e2a9eaadeeb26ce30c3104ed671c54a416d14fc4c2bdab8bd9 [2022-07-14 04:09:27,580 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 04:09:27,599 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 04:09:27,601 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 04:09:27,602 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 04:09:27,602 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 04:09:27,604 INFO L432 ainManager$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-dec-tulip-de4x5.cil.i [2022-07-14 04:09:27,654 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fad523332/8d54cba652d94fb4b8e1436960e072cf/FLAG310056e63 [2022-07-14 04:09:28,364 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 04:09:28,364 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-dec-tulip-de4x5.cil.i [2022-07-14 04:09:28,410 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fad523332/8d54cba652d94fb4b8e1436960e072cf/FLAG310056e63 [2022-07-14 04:09:28,449 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fad523332/8d54cba652d94fb4b8e1436960e072cf [2022-07-14 04:09:28,452 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 04:09:28,453 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 04:09:28,454 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 04:09:28,454 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 04:09:28,457 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 04:09:28,457 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:09:28" (1/1) ... [2022-07-14 04:09:28,458 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25d70967 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:09:28, skipping insertion in model container [2022-07-14 04:09:28,458 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:09:28" (1/1) ... [2022-07-14 04:09:28,462 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 04:09:28,601 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 04:09:31,716 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-dec-tulip-de4x5.cil.i[479863,479876] [2022-07-14 04:09:31,719 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-dec-tulip-de4x5.cil.i[480032,480045] [2022-07-14 04:09:31,719 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-dec-tulip-de4x5.cil.i[480199,480212] [2022-07-14 04:09:31,720 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-dec-tulip-de4x5.cil.i[480367,480380] [2022-07-14 04:09:31,749 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:09:31,787 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-14 04:09:31,849 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 04:09:32,187 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-dec-tulip-de4x5.cil.i[479863,479876] [2022-07-14 04:09:32,188 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-dec-tulip-de4x5.cil.i[480032,480045] [2022-07-14 04:09:32,188 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-dec-tulip-de4x5.cil.i[480199,480212] [2022-07-14 04:09:32,189 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-dec-tulip-de4x5.cil.i[480367,480380] [2022-07-14 04:09:32,224 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:09:32,241 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 04:09:32,685 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-dec-tulip-de4x5.cil.i[479863,479876] [2022-07-14 04:09:32,686 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-dec-tulip-de4x5.cil.i[480032,480045] [2022-07-14 04:09:32,686 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-dec-tulip-de4x5.cil.i[480199,480212] [2022-07-14 04:09:32,687 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-dec-tulip-de4x5.cil.i[480367,480380] [2022-07-14 04:09:32,692 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:09:32,880 INFO L208 MainTranslator]: Completed translation [2022-07-14 04:09:32,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:09:32 WrapperNode [2022-07-14 04:09:32,881 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 04:09:32,882 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 04:09:32,882 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 04:09:32,882 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 04:09:32,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:09:32" (1/1) ... [2022-07-14 04:09:33,004 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:09:32" (1/1) ... [2022-07-14 04:09:33,178 INFO L137 Inliner]: procedures = 558, calls = 4122, calls flagged for inlining = 248, calls inlined = 231, statements flattened = 8349 [2022-07-14 04:09:33,179 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 04:09:33,180 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 04:09:33,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 04:09:33,180 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 04:09:33,187 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:09:32" (1/1) ... [2022-07-14 04:09:33,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:09:32" (1/1) ... [2022-07-14 04:09:33,260 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:09:32" (1/1) ... [2022-07-14 04:09:33,260 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:09:32" (1/1) ... [2022-07-14 04:09:33,437 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:09:32" (1/1) ... [2022-07-14 04:09:33,457 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:09:32" (1/1) ... [2022-07-14 04:09:33,484 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:09:32" (1/1) ... [2022-07-14 04:09:33,520 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 04:09:33,521 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 04:09:33,521 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 04:09:33,521 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 04:09:33,522 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:09:32" (1/1) ... [2022-07-14 04:09:33,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 04:09:33,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 04:09:33,542 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) [2022-07-14 04:09:33,557 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 [2022-07-14 04:09:33,567 INFO L130 BoogieDeclarations]: Found specification of procedure disable_ast [2022-07-14 04:09:33,567 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_ast [2022-07-14 04:09:33,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 04:09:33,568 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 04:09:33,568 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-14 04:09:33,568 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-14 04:09:33,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 04:09:33,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 04:09:33,568 INFO L130 BoogieDeclarations]: Found specification of procedure type4_infoblock [2022-07-14 04:09:33,568 INFO L138 BoogieDeclarations]: Found implementation of procedure type4_infoblock [2022-07-14 04:09:33,568 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_put_cache [2022-07-14 04:09:33,569 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_put_cache [2022-07-14 04:09:33,569 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-07-14 04:09:33,569 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-07-14 04:09:33,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_de4x5_private [2022-07-14 04:09:33,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_de4x5_private [2022-07-14 04:09:33,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-14 04:09:33,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-14 04:09:33,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_de4x5_private [2022-07-14 04:09:33,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_de4x5_private [2022-07-14 04:09:33,570 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_mii [2022-07-14 04:09:33,570 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_mii [2022-07-14 04:09:33,570 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_switch_mac_port [2022-07-14 04:09:33,570 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_switch_mac_port [2022-07-14 04:09:33,570 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-14 04:09:33,570 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-14 04:09:33,570 INFO L130 BoogieDeclarations]: Found specification of procedure srom_latch [2022-07-14 04:09:33,570 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_latch [2022-07-14 04:09:33,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_69 [2022-07-14 04:09:33,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_69 [2022-07-14 04:09:33,571 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-14 04:09:33,571 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-14 04:09:33,571 INFO L130 BoogieDeclarations]: Found specification of procedure build_setup_frame [2022-07-14 04:09:33,571 INFO L138 BoogieDeclarations]: Found implementation of procedure build_setup_frame [2022-07-14 04:09:33,571 INFO L130 BoogieDeclarations]: Found specification of procedure type2_infoblock [2022-07-14 04:09:33,571 INFO L138 BoogieDeclarations]: Found implementation of procedure type2_infoblock [2022-07-14 04:09:33,571 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-14 04:09:33,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-14 04:09:33,572 INFO L130 BoogieDeclarations]: Found specification of procedure type0_infoblock [2022-07-14 04:09:33,572 INFO L138 BoogieDeclarations]: Found implementation of procedure type0_infoblock [2022-07-14 04:09:33,572 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-07-14 04:09:33,572 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-07-14 04:09:33,572 INFO L130 BoogieDeclarations]: Found specification of procedure DevicePresent [2022-07-14 04:09:33,572 INFO L138 BoogieDeclarations]: Found implementation of procedure DevicePresent [2022-07-14 04:09:33,572 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-07-14 04:09:33,572 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-07-14 04:09:33,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-14 04:09:33,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-14 04:09:33,573 INFO L130 BoogieDeclarations]: Found specification of procedure dc21143_infoleaf [2022-07-14 04:09:33,573 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21143_infoleaf [2022-07-14 04:09:33,573 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2022-07-14 04:09:33,573 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2022-07-14 04:09:33,573 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-14 04:09:33,573 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-14 04:09:33,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-14 04:09:33,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-14 04:09:33,574 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2022-07-14 04:09:33,574 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_sw_reset [2022-07-14 04:09:33,574 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_sw_reset [2022-07-14 04:09:33,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 04:09:33,574 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2022-07-14 04:09:33,574 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2022-07-14 04:09:33,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-14 04:09:33,574 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-07-14 04:09:33,575 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-07-14 04:09:33,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-14 04:09:33,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-14 04:09:33,575 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-07-14 04:09:33,575 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-07-14 04:09:33,575 INFO L130 BoogieDeclarations]: Found specification of procedure is_spd_100 [2022-07-14 04:09:33,575 INFO L138 BoogieDeclarations]: Found implementation of procedure is_spd_100 [2022-07-14 04:09:33,575 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-14 04:09:33,576 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-14 04:09:33,576 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~C_INT [2022-07-14 04:09:33,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~C_INT [2022-07-14 04:09:33,576 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-14 04:09:33,576 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-14 04:09:33,576 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_mii [2022-07-14 04:09:33,576 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_mii [2022-07-14 04:09:33,576 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_rx_buffs [2022-07-14 04:09:33,576 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_rx_buffs [2022-07-14 04:09:33,577 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-14 04:09:33,577 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-14 04:09:33,577 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-14 04:09:33,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-14 04:09:33,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-14 04:09:33,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-14 04:09:33,577 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~C_INT [2022-07-14 04:09:33,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~C_INT [2022-07-14 04:09:33,577 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-14 04:09:33,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-14 04:09:33,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 04:09:33,578 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 04:09:33,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-14 04:09:33,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-14 04:09:33,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-14 04:09:33,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-14 04:09:33,578 INFO L130 BoogieDeclarations]: Found specification of procedure ping_media [2022-07-14 04:09:33,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ping_media [2022-07-14 04:09:33,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-14 04:09:33,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-14 04:09:33,579 INFO L130 BoogieDeclarations]: Found specification of procedure srom_autoconf [2022-07-14 04:09:33,579 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_autoconf [2022-07-14 04:09:33,579 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-14 04:09:33,579 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-14 04:09:33,579 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-07-14 04:09:33,579 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-07-14 04:09:33,580 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_tx [2022-07-14 04:09:33,580 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_tx [2022-07-14 04:09:33,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-14 04:09:33,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-14 04:09:33,580 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-07-14 04:09:33,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-07-14 04:09:33,580 INFO L130 BoogieDeclarations]: Found specification of procedure srom_rd [2022-07-14 04:09:33,580 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_rd [2022-07-14 04:09:33,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 04:09:33,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-14 04:09:33,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-14 04:09:33,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-14 04:09:33,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-14 04:09:33,581 INFO L130 BoogieDeclarations]: Found specification of procedure SetMulticastFilter [2022-07-14 04:09:33,581 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMulticastFilter [2022-07-14 04:09:33,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 04:09:33,581 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ioctl [2022-07-14 04:09:33,582 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ioctl [2022-07-14 04:09:33,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-14 04:09:33,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-14 04:09:33,582 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-14 04:09:33,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-14 04:09:33,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 04:09:33,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-14 04:09:33,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-14 04:09:33,582 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 04:09:33,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 04:09:33,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-14 04:09:33,583 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_srom [2022-07-14 04:09:33,583 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_srom [2022-07-14 04:09:33,583 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-07-14 04:09:33,583 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-07-14 04:09:33,583 INFO L130 BoogieDeclarations]: Found specification of procedure mii_swap [2022-07-14 04:09:33,583 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_swap [2022-07-14 04:09:33,583 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_reset_phy [2022-07-14 04:09:33,583 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_reset_phy [2022-07-14 04:09:33,584 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_putb_cache [2022-07-14 04:09:33,584 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_putb_cache [2022-07-14 04:09:33,584 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-14 04:09:33,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-14 04:09:33,584 INFO L130 BoogieDeclarations]: Found specification of procedure dc21142_infoleaf [2022-07-14 04:09:33,584 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21142_infoleaf [2022-07-14 04:09:33,584 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-14 04:09:33,584 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-14 04:09:33,584 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_stats [2022-07-14 04:09:33,585 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_stats [2022-07-14 04:09:33,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-14 04:09:33,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-14 04:09:33,585 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-07-14 04:09:33,585 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-07-14 04:09:33,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-14 04:09:33,585 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init_connection [2022-07-14 04:09:33,585 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init_connection [2022-07-14 04:09:33,585 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wr [2022-07-14 04:09:33,586 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wr [2022-07-14 04:09:33,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 04:09:33,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 04:09:33,586 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_state [2022-07-14 04:09:33,586 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_state [2022-07-14 04:09:33,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-14 04:09:33,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-07-14 04:09:33,586 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-07-14 04:09:33,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-14 04:09:33,586 INFO L130 BoogieDeclarations]: Found specification of procedure type3_infoblock [2022-07-14 04:09:33,587 INFO L138 BoogieDeclarations]: Found implementation of procedure type3_infoblock [2022-07-14 04:09:33,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-14 04:09:33,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 04:09:33,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-14 04:09:33,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 04:09:33,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 04:09:33,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 04:09:33,587 INFO L130 BoogieDeclarations]: Found specification of procedure reset_init_sia [2022-07-14 04:09:33,587 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_init_sia [2022-07-14 04:09:33,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-14 04:09:33,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-14 04:09:33,588 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-14 04:09:33,588 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-14 04:09:33,588 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_alloc_rx_buff [2022-07-14 04:09:33,588 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_alloc_rx_buff [2022-07-14 04:09:33,588 INFO L130 BoogieDeclarations]: Found specification of procedure test_for_100Mb [2022-07-14 04:09:33,588 INFO L138 BoogieDeclarations]: Found implementation of procedure test_for_100Mb [2022-07-14 04:09:33,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-14 04:09:33,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-14 04:09:33,589 INFO L130 BoogieDeclarations]: Found specification of procedure type5_infoblock [2022-07-14 04:09:33,589 INFO L138 BoogieDeclarations]: Found implementation of procedure type5_infoblock [2022-07-14 04:09:33,589 INFO L130 BoogieDeclarations]: Found specification of procedure load_packet [2022-07-14 04:09:33,589 INFO L138 BoogieDeclarations]: Found implementation of procedure load_packet [2022-07-14 04:09:33,589 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140m_autoconf [2022-07-14 04:09:33,589 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140m_autoconf [2022-07-14 04:09:33,589 INFO L130 BoogieDeclarations]: Found specification of procedure is_100_up [2022-07-14 04:09:33,589 INFO L138 BoogieDeclarations]: Found implementation of procedure is_100_up [2022-07-14 04:09:33,589 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_open [2022-07-14 04:09:33,590 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_open [2022-07-14 04:09:33,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 04:09:33,590 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 04:09:33,590 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ta [2022-07-14 04:09:33,590 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ta [2022-07-14 04:09:33,590 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-14 04:09:33,590 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-14 04:09:33,590 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_autoconf [2022-07-14 04:09:33,590 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_autoconf [2022-07-14 04:09:33,591 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-07-14 04:09:33,591 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-07-14 04:09:33,591 INFO L130 BoogieDeclarations]: Found specification of procedure test_mii_reg [2022-07-14 04:09:33,591 INFO L138 BoogieDeclarations]: Found implementation of procedure test_mii_reg [2022-07-14 04:09:33,591 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_cache_state [2022-07-14 04:09:33,591 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_cache_state [2022-07-14 04:09:33,591 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-07-14 04:09:33,591 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-07-14 04:09:33,591 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_pci_remove [2022-07-14 04:09:33,591 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_pci_remove [2022-07-14 04:09:33,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 04:09:33,592 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_media [2022-07-14 04:09:33,592 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_media [2022-07-14 04:09:33,592 INFO L130 BoogieDeclarations]: Found specification of procedure autoconf_media [2022-07-14 04:09:33,592 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconf_media [2022-07-14 04:09:33,592 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_autoconf [2022-07-14 04:09:33,592 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_autoconf [2022-07-14 04:09:33,592 INFO L130 BoogieDeclarations]: Found specification of procedure mii_rd [2022-07-14 04:09:33,592 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_rd [2022-07-14 04:09:33,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 04:09:33,593 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ast [2022-07-14 04:09:33,593 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ast [2022-07-14 04:09:33,593 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2022-07-14 04:09:33,593 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2022-07-14 04:09:33,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-14 04:09:33,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-14 04:09:33,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-14 04:09:33,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-14 04:09:33,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 04:09:33,594 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-14 04:09:33,594 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-14 04:09:33,594 INFO L130 BoogieDeclarations]: Found specification of procedure is_10_up [2022-07-14 04:09:33,594 INFO L138 BoogieDeclarations]: Found implementation of procedure is_10_up [2022-07-14 04:09:33,594 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-07-14 04:09:33,594 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-07-14 04:09:33,594 INFO L130 BoogieDeclarations]: Found specification of procedure is_anc_capable [2022-07-14 04:09:33,594 INFO L138 BoogieDeclarations]: Found implementation of procedure is_anc_capable [2022-07-14 04:09:33,594 INFO L130 BoogieDeclarations]: Found specification of procedure type1_infoblock [2022-07-14 04:09:33,595 INFO L138 BoogieDeclarations]: Found implementation of procedure type1_infoblock [2022-07-14 04:09:33,595 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-14 04:09:33,595 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-14 04:09:33,595 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-07-14 04:09:33,595 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-07-14 04:09:33,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-07-14 04:09:33,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-07-14 04:09:33,595 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140_infoleaf [2022-07-14 04:09:33,595 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140_infoleaf [2022-07-14 04:09:33,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-14 04:09:33,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-14 04:09:33,596 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-07-14 04:09:33,596 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-07-14 04:09:33,596 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_queue_pkt [2022-07-14 04:09:33,596 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_queue_pkt [2022-07-14 04:09:33,596 INFO L130 BoogieDeclarations]: Found specification of procedure test_media [2022-07-14 04:09:33,596 INFO L138 BoogieDeclarations]: Found implementation of procedure test_media [2022-07-14 04:09:33,596 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buffs [2022-07-14 04:09:33,597 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buffs [2022-07-14 04:09:33,597 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2022-07-14 04:09:33,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2022-07-14 04:09:33,597 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-14 04:09:33,597 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-14 04:09:33,597 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-14 04:09:33,597 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-14 04:09:33,597 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-14 04:09:33,597 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-14 04:09:33,597 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init [2022-07-14 04:09:33,598 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init [2022-07-14 04:09:33,598 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-14 04:09:33,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-14 04:09:33,598 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-07-14 04:09:33,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-07-14 04:09:33,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_73 [2022-07-14 04:09:33,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_73 [2022-07-14 04:09:33,598 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_infoleaf [2022-07-14 04:09:33,598 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_infoleaf [2022-07-14 04:09:33,599 INFO L130 BoogieDeclarations]: Found specification of procedure srom_exec [2022-07-14 04:09:33,599 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_exec [2022-07-14 04:09:33,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-14 04:09:33,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-14 04:09:33,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-14 04:09:33,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-14 04:09:33,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 04:09:33,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 04:09:33,599 INFO L130 BoogieDeclarations]: Found specification of procedure gep_wr [2022-07-14 04:09:33,599 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_wr [2022-07-14 04:09:33,600 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-14 04:09:33,600 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-14 04:09:33,600 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_srom [2022-07-14 04:09:33,600 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_srom [2022-07-14 04:09:33,600 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-14 04:09:33,600 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-14 04:09:33,600 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_cache [2022-07-14 04:09:33,600 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_cache [2022-07-14 04:09:33,600 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_suspect_state [2022-07-14 04:09:33,601 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_suspect_state [2022-07-14 04:09:33,601 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_mii [2022-07-14 04:09:33,601 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_mii [2022-07-14 04:09:33,601 INFO L130 BoogieDeclarations]: Found specification of procedure compact_infoblock [2022-07-14 04:09:33,601 INFO L138 BoogieDeclarations]: Found implementation of procedure compact_infoblock [2022-07-14 04:09:33,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-14 04:09:33,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-14 04:09:33,601 INFO L130 BoogieDeclarations]: Found specification of procedure gep_rd [2022-07-14 04:09:33,601 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_rd [2022-07-14 04:09:33,601 INFO L130 BoogieDeclarations]: Found specification of procedure mii_address [2022-07-14 04:09:33,602 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_address [2022-07-14 04:09:33,602 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buff [2022-07-14 04:09:33,602 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buff [2022-07-14 04:09:33,602 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_setup_intr [2022-07-14 04:09:33,602 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_setup_intr [2022-07-14 04:09:33,602 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_save_skbs [2022-07-14 04:09:33,602 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_save_skbs [2022-07-14 04:09:33,602 INFO L130 BoogieDeclarations]: Found specification of procedure dc2114x_autoconf [2022-07-14 04:09:33,602 INFO L138 BoogieDeclarations]: Found implementation of procedure dc2114x_autoconf [2022-07-14 04:09:33,602 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-07-14 04:09:33,603 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-07-14 04:09:33,603 INFO L130 BoogieDeclarations]: Found specification of procedure srom_map_media [2022-07-14 04:09:33,603 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_map_media [2022-07-14 04:09:33,603 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_strncmp [2022-07-14 04:09:33,603 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_strncmp [2022-07-14 04:09:33,603 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-07-14 04:09:33,603 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-07-14 04:09:33,603 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_close [2022-07-14 04:09:33,603 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_close [2022-07-14 04:09:33,604 INFO L130 BoogieDeclarations]: Found specification of procedure yawn [2022-07-14 04:09:33,604 INFO L138 BoogieDeclarations]: Found implementation of procedure yawn [2022-07-14 04:09:33,604 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wdata [2022-07-14 04:09:33,604 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wdata [2022-07-14 04:09:33,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-14 04:09:33,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-14 04:09:33,604 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-14 04:09:34,552 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 04:09:34,555 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 04:09:38,441 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 04:10:49,108 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-14 04:10:50,117 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 04:10:50,145 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 04:10:50,146 INFO L299 CfgBuilder]: Removed 17 assume(true) statements. [2022-07-14 04:10:50,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:10:50 BoogieIcfgContainer [2022-07-14 04:10:50,152 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 04:10:50,154 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 04:10:50,154 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 04:10:50,156 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 04:10:50,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 04:09:28" (1/3) ... [2022-07-14 04:10:50,156 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36db2313 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 04:10:50, skipping insertion in model container [2022-07-14 04:10:50,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:09:32" (2/3) ... [2022-07-14 04:10:50,160 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36db2313 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 04:10:50, skipping insertion in model container [2022-07-14 04:10:50,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:10:50" (3/3) ... [2022-07-14 04:10:50,162 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2022-07-14 04:10:50,171 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 04:10:50,172 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-14 04:10:50,309 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 04:10:50,317 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3e46d04f, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@67abcf79 [2022-07-14 04:10:50,317 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-14 04:10:50,335 INFO L276 IsEmpty]: Start isEmpty. Operand has 3959 states, 2824 states have (on average 1.3533994334277621) internal successors, (3822), 2886 states have internal predecessors, (3822), 996 states have call successors, (996), 153 states have call predecessors, (996), 152 states have return successors, (989), 975 states have call predecessors, (989), 989 states have call successors, (989) [2022-07-14 04:10:50,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-07-14 04:10:50,368 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:10:50,369 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:10:50,370 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 04:10:50,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:10:50,373 INFO L85 PathProgramCache]: Analyzing trace with hash -2145689996, now seen corresponding path program 1 times [2022-07-14 04:10:50,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:10:50,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1149033957] [2022-07-14 04:10:50,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:10:50,398 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:10:50,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:10:50,417 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 04:10:50,459 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-14 04:10:52,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:52,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 1767 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:10:52,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:10:52,528 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2022-07-14 04:10:52,528 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:10:52,529 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:10:52,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1149033957] [2022-07-14 04:10:52,529 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1149033957] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:10:52,529 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:10:52,529 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:10:52,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057544074] [2022-07-14 04:10:52,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:10:52,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:10:52,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:10:52,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:10:52,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:10:52,570 INFO L87 Difference]: Start difference. First operand has 3959 states, 2824 states have (on average 1.3533994334277621) internal successors, (3822), 2886 states have internal predecessors, (3822), 996 states have call successors, (996), 153 states have call predecessors, (996), 152 states have return successors, (989), 975 states have call predecessors, (989), 989 states have call successors, (989) Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-07-14 04:10:54,696 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:10:55,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:10:55,353 INFO L93 Difference]: Finished difference Result 11636 states and 17470 transitions. [2022-07-14 04:10:55,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:10:55,356 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 189 [2022-07-14 04:10:55,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:10:55,447 INFO L225 Difference]: With dead ends: 11636 [2022-07-14 04:10:55,447 INFO L226 Difference]: Without dead ends: 7698 [2022-07-14 04:10:55,512 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:10:55,516 INFO L413 NwaCegarLoop]: 6649 mSDtfsCounter, 5581 mSDsluCounter, 5659 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5581 SdHoareTripleChecker+Valid, 12308 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-14 04:10:55,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5581 Valid, 12308 Invalid, 14 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-07-14 04:10:55,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7698 states. [2022-07-14 04:10:55,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7698 to 7694. [2022-07-14 04:10:56,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7694 states, 5485 states have (on average 1.3522333637192343) internal successors, (7417), 5577 states have internal predecessors, (7417), 1905 states have call successors, (1905), 302 states have call predecessors, (1905), 301 states have return successors, (1902), 1874 states have call predecessors, (1902), 1902 states have call successors, (1902) [2022-07-14 04:10:56,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7694 states to 7694 states and 11224 transitions. [2022-07-14 04:10:56,120 INFO L78 Accepts]: Start accepts. Automaton has 7694 states and 11224 transitions. Word has length 189 [2022-07-14 04:10:56,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:10:56,120 INFO L495 AbstractCegarLoop]: Abstraction has 7694 states and 11224 transitions. [2022-07-14 04:10:56,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-07-14 04:10:56,121 INFO L276 IsEmpty]: Start isEmpty. Operand 7694 states and 11224 transitions. [2022-07-14 04:10:56,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-07-14 04:10:56,128 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:10:56,128 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:10:56,182 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-14 04:10:56,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:10:56,335 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 04:10:56,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:10:56,335 INFO L85 PathProgramCache]: Analyzing trace with hash -1734393835, now seen corresponding path program 1 times [2022-07-14 04:10:56,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:10:56,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [94656543] [2022-07-14 04:10:56,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:10:56,338 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:10:56,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:10:56,340 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 04:10:56,342 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-14 04:10:57,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:58,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 1805 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:10:58,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:10:58,432 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2022-07-14 04:10:58,433 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:10:58,433 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:10:58,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [94656543] [2022-07-14 04:10:58,433 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [94656543] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:10:58,433 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:10:58,433 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:10:58,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191685097] [2022-07-14 04:10:58,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:10:58,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:10:58,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:10:58,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:10:58,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:10:58,435 INFO L87 Difference]: Start difference. First operand 7694 states and 11224 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-14 04:11:00,621 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:11:01,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:11:01,274 INFO L93 Difference]: Finished difference Result 22590 states and 33282 transitions. [2022-07-14 04:11:01,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:11:01,275 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 195 [2022-07-14 04:11:01,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:11:01,377 INFO L225 Difference]: With dead ends: 22590 [2022-07-14 04:11:01,377 INFO L226 Difference]: Without dead ends: 14931 [2022-07-14 04:11:01,425 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:11:01,426 INFO L413 NwaCegarLoop]: 6711 mSDtfsCounter, 5442 mSDsluCounter, 5693 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5442 SdHoareTripleChecker+Valid, 12404 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-07-14 04:11:01,428 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5442 Valid, 12404 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 14 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-07-14 04:11:01,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14931 states. [2022-07-14 04:11:01,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14931 to 14895. [2022-07-14 04:11:01,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14895 states, 10613 states have (on average 1.3536229152925656) internal successors, (14366), 10801 states have internal predecessors, (14366), 3684 states have call successors, (3684), 600 states have call predecessors, (3684), 595 states have return successors, (4005), 3613 states have call predecessors, (4005), 3681 states have call successors, (4005) [2022-07-14 04:11:01,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14895 states to 14895 states and 22055 transitions. [2022-07-14 04:11:01,982 INFO L78 Accepts]: Start accepts. Automaton has 14895 states and 22055 transitions. Word has length 195 [2022-07-14 04:11:01,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:11:01,983 INFO L495 AbstractCegarLoop]: Abstraction has 14895 states and 22055 transitions. [2022-07-14 04:11:01,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-14 04:11:01,984 INFO L276 IsEmpty]: Start isEmpty. Operand 14895 states and 22055 transitions. [2022-07-14 04:11:01,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-07-14 04:11:01,987 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:11:01,988 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:11:02,033 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-14 04:11:02,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:11:02,208 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 04:11:02,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:11:02,208 INFO L85 PathProgramCache]: Analyzing trace with hash -368432476, now seen corresponding path program 1 times [2022-07-14 04:11:02,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:11:02,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1904333585] [2022-07-14 04:11:02,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:11:02,210 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:11:02,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:11:02,211 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 04:11:02,213 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-14 04:11:03,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:11:03,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 1867 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:11:03,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:11:04,435 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2022-07-14 04:11:04,440 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:11:04,441 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:11:04,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1904333585] [2022-07-14 04:11:04,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1904333585] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:11:04,441 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:11:04,441 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:11:04,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470205984] [2022-07-14 04:11:04,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:11:04,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:11:04,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:11:04,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:11:04,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:11:04,444 INFO L87 Difference]: Start difference. First operand 14895 states and 22055 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-07-14 04:11:06,647 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:11:07,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:11:07,914 INFO L93 Difference]: Finished difference Result 44441 states and 65831 transitions. [2022-07-14 04:11:07,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:11:07,915 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 208 [2022-07-14 04:11:07,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:11:08,112 INFO L225 Difference]: With dead ends: 44441 [2022-07-14 04:11:08,113 INFO L226 Difference]: Without dead ends: 29581 [2022-07-14 04:11:08,381 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:11:08,382 INFO L413 NwaCegarLoop]: 6640 mSDtfsCounter, 5551 mSDsluCounter, 5642 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5551 SdHoareTripleChecker+Valid, 12282 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-07-14 04:11:08,382 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5551 Valid, 12282 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 39 Invalid, 1 Unknown, 0 Unchecked, 2.9s Time] [2022-07-14 04:11:08,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29581 states. [2022-07-14 04:11:09,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29581 to 29537. [2022-07-14 04:11:09,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29537 states, 21047 states have (on average 1.3543022758587921) internal successors, (28504), 21421 states have internal predecessors, (28504), 7298 states have call successors, (7298), 1198 states have call predecessors, (7298), 1189 states have return successors, (7951), 7157 states have call predecessors, (7951), 7295 states have call successors, (7951) [2022-07-14 04:11:09,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29537 states to 29537 states and 43753 transitions. [2022-07-14 04:11:09,392 INFO L78 Accepts]: Start accepts. Automaton has 29537 states and 43753 transitions. Word has length 208 [2022-07-14 04:11:09,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:11:09,394 INFO L495 AbstractCegarLoop]: Abstraction has 29537 states and 43753 transitions. [2022-07-14 04:11:09,394 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-07-14 04:11:09,394 INFO L276 IsEmpty]: Start isEmpty. Operand 29537 states and 43753 transitions. [2022-07-14 04:11:09,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2022-07-14 04:11:09,399 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:11:09,399 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:11:09,449 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-14 04:11:09,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:11:09,615 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 04:11:09,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:11:09,616 INFO L85 PathProgramCache]: Analyzing trace with hash -1403309292, now seen corresponding path program 1 times [2022-07-14 04:11:09,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:11:09,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1931141096] [2022-07-14 04:11:09,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:11:09,618 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:11:09,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:11:09,622 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 04:11:09,624 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-14 04:11:11,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:11:11,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 1866 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:11:11,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:11:11,776 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2022-07-14 04:11:11,776 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:11:11,776 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:11:11,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1931141096] [2022-07-14 04:11:11,776 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1931141096] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:11:11,776 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:11:11,776 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:11:11,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893978107] [2022-07-14 04:11:11,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:11:11,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:11:11,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:11:11,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:11:11,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:11:11,777 INFO L87 Difference]: Start difference. First operand 29537 states and 43753 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-07-14 04:11:13,925 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:11:16,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:11:16,118 INFO L93 Difference]: Finished difference Result 88193 states and 130691 transitions. [2022-07-14 04:11:16,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:11:16,118 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 207 [2022-07-14 04:11:16,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:11:16,509 INFO L225 Difference]: With dead ends: 88193 [2022-07-14 04:11:16,509 INFO L226 Difference]: Without dead ends: 58691 [2022-07-14 04:11:16,718 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:11:16,719 INFO L413 NwaCegarLoop]: 6640 mSDtfsCounter, 5552 mSDsluCounter, 5642 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5552 SdHoareTripleChecker+Valid, 12282 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-07-14 04:11:16,719 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5552 Valid, 12282 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 39 Invalid, 1 Unknown, 0 Unchecked, 2.9s Time] [2022-07-14 04:11:16,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58691 states. [2022-07-14 04:11:18,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58691 to 58647. [2022-07-14 04:11:18,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58647 states, 41781 states have (on average 1.35463488188411) internal successors, (56598), 42527 states have internal predecessors, (56598), 14486 states have call successors, (14486), 2394 states have call predecessors, (14486), 2377 states have return successors, (15811), 14205 states have call predecessors, (15811), 14483 states have call successors, (15811) [2022-07-14 04:11:19,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58647 states to 58647 states and 86895 transitions. [2022-07-14 04:11:19,727 INFO L78 Accepts]: Start accepts. Automaton has 58647 states and 86895 transitions. Word has length 207 [2022-07-14 04:11:19,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:11:19,728 INFO L495 AbstractCegarLoop]: Abstraction has 58647 states and 86895 transitions. [2022-07-14 04:11:19,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-07-14 04:11:19,729 INFO L276 IsEmpty]: Start isEmpty. Operand 58647 states and 86895 transitions. [2022-07-14 04:11:19,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-07-14 04:11:19,732 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:11:19,732 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:11:19,775 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-14 04:11:19,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:11:19,959 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 04:11:19,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:11:19,960 INFO L85 PathProgramCache]: Analyzing trace with hash -2110405903, now seen corresponding path program 1 times [2022-07-14 04:11:19,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:11:19,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1511228387] [2022-07-14 04:11:19,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:11:19,962 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:11:19,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:11:19,964 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 04:11:19,966 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-14 04:11:21,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:11:21,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 1864 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:11:21,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:11:22,193 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2022-07-14 04:11:22,194 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:11:22,194 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:11:22,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1511228387] [2022-07-14 04:11:22,194 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1511228387] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:11:22,194 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:11:22,194 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:11:22,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491776278] [2022-07-14 04:11:22,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:11:22,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:11:22,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:11:22,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:11:22,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:11:22,204 INFO L87 Difference]: Start difference. First operand 58647 states and 86895 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-07-14 04:11:24,455 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:11:27,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:11:27,835 INFO L93 Difference]: Finished difference Result 175175 states and 259665 transitions. [2022-07-14 04:11:27,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:11:27,835 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 205 [2022-07-14 04:11:27,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:11:28,780 INFO L225 Difference]: With dead ends: 175175 [2022-07-14 04:11:28,781 INFO L226 Difference]: Without dead ends: 116563 [2022-07-14 04:11:29,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:11:29,060 INFO L413 NwaCegarLoop]: 6641 mSDtfsCounter, 5554 mSDsluCounter, 5642 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5554 SdHoareTripleChecker+Valid, 12283 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-07-14 04:11:29,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5554 Valid, 12283 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 39 Invalid, 1 Unknown, 0 Unchecked, 2.9s Time] [2022-07-14 04:11:29,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116563 states. [2022-07-14 04:11:32,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116563 to 116507. [2022-07-14 04:11:32,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116507 states, 82969 states have (on average 1.354843375236534) internal successors, (112410), 84459 states have internal predecessors, (112410), 28782 states have call successors, (28782), 4786 states have call predecessors, (28782), 4753 states have return successors, (31483), 28221 states have call predecessors, (31483), 28779 states have call successors, (31483) [2022-07-14 04:11:33,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116507 states to 116507 states and 172675 transitions. [2022-07-14 04:11:33,952 INFO L78 Accepts]: Start accepts. Automaton has 116507 states and 172675 transitions. Word has length 205 [2022-07-14 04:11:33,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:11:33,953 INFO L495 AbstractCegarLoop]: Abstraction has 116507 states and 172675 transitions. [2022-07-14 04:11:33,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-07-14 04:11:33,953 INFO L276 IsEmpty]: Start isEmpty. Operand 116507 states and 172675 transitions. [2022-07-14 04:11:33,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-07-14 04:11:33,961 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:11:33,961 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:11:34,007 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-14 04:11:34,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:11:34,179 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 04:11:34,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:11:34,180 INFO L85 PathProgramCache]: Analyzing trace with hash -949583327, now seen corresponding path program 1 times [2022-07-14 04:11:34,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:11:34,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [75349509] [2022-07-14 04:11:34,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:11:34,181 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:11:34,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:11:34,183 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 04:11:34,184 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-14 04:11:36,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:11:36,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 1865 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:11:36,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:11:36,610 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2022-07-14 04:11:36,610 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:11:36,610 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:11:36,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [75349509] [2022-07-14 04:11:36,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [75349509] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:11:36,611 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:11:36,611 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:11:36,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514883015] [2022-07-14 04:11:36,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:11:36,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:11:36,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:11:36,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:11:36,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:11:36,612 INFO L87 Difference]: Start difference. First operand 116507 states and 172675 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-07-14 04:11:38,750 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:11:44,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:11:44,875 INFO L93 Difference]: Finished difference Result 347085 states and 514651 transitions. [2022-07-14 04:11:44,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:11:44,876 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 206 [2022-07-14 04:11:44,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:11:46,417 INFO L225 Difference]: With dead ends: 347085 [2022-07-14 04:11:46,417 INFO L226 Difference]: Without dead ends: 230613 [2022-07-14 04:11:47,112 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:11:47,113 INFO L413 NwaCegarLoop]: 6645 mSDtfsCounter, 5553 mSDsluCounter, 5642 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5553 SdHoareTripleChecker+Valid, 12287 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-07-14 04:11:47,113 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5553 Valid, 12287 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 39 Invalid, 1 Unknown, 0 Unchecked, 2.7s Time] [2022-07-14 04:11:47,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230613 states. [2022-07-14 04:11:53,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230613 to 230533. [2022-07-14 04:11:54,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230533 states, 164143 states have (on average 1.35518419914343) internal successors, (222444), 167101 states have internal predecessors, (222444), 56936 states have call successors, (56936), 9518 states have call predecessors, (56936), 9451 states have return successors, (62397), 55819 states have call predecessors, (62397), 56933 states have call successors, (62397) [2022-07-14 04:11:56,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230533 states to 230533 states and 341777 transitions. [2022-07-14 04:11:56,337 INFO L78 Accepts]: Start accepts. Automaton has 230533 states and 341777 transitions. Word has length 206 [2022-07-14 04:11:56,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:11:56,338 INFO L495 AbstractCegarLoop]: Abstraction has 230533 states and 341777 transitions. [2022-07-14 04:11:56,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-07-14 04:11:56,339 INFO L276 IsEmpty]: Start isEmpty. Operand 230533 states and 341777 transitions. [2022-07-14 04:11:56,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2022-07-14 04:11:56,349 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:11:56,349 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:11:56,398 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-14 04:11:56,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:11:56,564 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 04:11:56,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:11:56,564 INFO L85 PathProgramCache]: Analyzing trace with hash -1706572458, now seen corresponding path program 1 times [2022-07-14 04:11:56,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:11:56,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2047842712] [2022-07-14 04:11:56,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:11:56,566 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:11:56,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:11:56,567 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 04:11:56,567 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-14 04:11:58,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:11:58,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 1889 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 04:11:58,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:12:05,246 INFO L134 CoverageAnalysis]: Checked inductivity of 1173 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1173 trivial. 0 not checked. [2022-07-14 04:12:05,246 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:12:05,246 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:12:05,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2047842712] [2022-07-14 04:12:05,247 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2047842712] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:12:05,247 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:12:05,247 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 04:12:05,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292545488] [2022-07-14 04:12:05,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:12:05,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 04:12:05,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:12:05,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 04:12:05,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:12:05,248 INFO L87 Difference]: Start difference. First operand 230533 states and 341777 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24)