./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 6c24879c 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-?-6c24879 [2022-07-12 16:27:36,915 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 16:27:36,916 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 16:27:36,938 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 16:27:36,938 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 16:27:36,939 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 16:27:36,940 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 16:27:36,944 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 16:27:36,945 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 16:27:36,947 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 16:27:36,948 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 16:27:36,950 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 16:27:36,950 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 16:27:36,954 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 16:27:36,955 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 16:27:36,957 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 16:27:36,958 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 16:27:36,959 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 16:27:36,960 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 16:27:36,963 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 16:27:36,965 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 16:27:36,966 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 16:27:36,967 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 16:27:36,967 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 16:27:36,968 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 16:27:36,970 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 16:27:36,971 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 16:27:36,972 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 16:27:36,972 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 16:27:36,973 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 16:27:36,974 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 16:27:36,974 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 16:27:36,975 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 16:27:36,976 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 16:27:36,976 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 16:27:36,977 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 16:27:36,977 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 16:27:36,977 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 16:27:36,977 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 16:27:36,978 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 16:27:36,979 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 16:27:36,980 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 16:27:36,981 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 16:27:37,015 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 16:27:37,015 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 16:27:37,015 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 16:27:37,016 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 16:27:37,016 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 16:27:37,016 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 16:27:37,017 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 16:27:37,017 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 16:27:37,017 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 16:27:37,017 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 16:27:37,017 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 16:27:37,018 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 16:27:37,018 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 16:27:37,018 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 16:27:37,022 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 16:27:37,023 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 16:27:37,023 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 16:27:37,023 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 16:27:37,023 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 16:27:37,024 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 16:27:37,024 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 16:27:37,024 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 16:27:37,024 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 16:27:37,024 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 16:27:37,025 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 16:27:37,025 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 16:27:37,025 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 16:27:37,025 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 16:27:37,025 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 16:27:37,026 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 16:27:37,026 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52f53de973aa03e2a9eaadeeb26ce30c3104ed671c54a416d14fc4c2bdab8bd9 [2022-07-12 16:27:37,189 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 16:27:37,206 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 16:27:37,209 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 16:27:37,210 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 16:27:37,210 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 16:27:37,211 INFO L432 ainManager$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 [2022-07-12 16:27:37,256 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5b399d8e/b9023f227dc0405a9929439782cc0077/FLAG282888aa0 [2022-07-12 16:27:38,013 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 16:27:38,014 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 [2022-07-12 16:27:38,069 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5b399d8e/b9023f227dc0405a9929439782cc0077/FLAG282888aa0 [2022-07-12 16:27:38,290 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5b399d8e/b9023f227dc0405a9929439782cc0077 [2022-07-12 16:27:38,292 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 16:27:38,294 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 16:27:38,295 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 16:27:38,295 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 16:27:38,297 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 16:27:38,298 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:27:38" (1/1) ... [2022-07-12 16:27:38,299 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58d64b76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:27:38, skipping insertion in model container [2022-07-12 16:27:38,299 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:27:38" (1/1) ... [2022-07-12 16:27:38,305 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 16:27:38,422 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 16:27:41,343 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] [2022-07-12 16:27:41,346 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] [2022-07-12 16:27:41,346 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] [2022-07-12 16:27:41,346 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] [2022-07-12 16:27:41,374 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:27:41,395 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 16:27:41,759 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] [2022-07-12 16:27:41,760 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] [2022-07-12 16:27:41,763 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] [2022-07-12 16:27:41,763 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] [2022-07-12 16:27:41,768 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:27:41,906 INFO L208 MainTranslator]: Completed translation [2022-07-12 16:27:41,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:27:41 WrapperNode [2022-07-12 16:27:41,907 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 16:27:41,908 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 16:27:41,908 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 16:27:41,908 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 16:27:41,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:27:41" (1/1) ... [2022-07-12 16:27:42,053 ERROR L1136 TypeChecker]: C: lp->phy[lp->active].spd.value [10573]: Undeclared identifier #t~mem1644 in IdentifierExpression[#t~mem1644,] [2022-07-12 16:27:42,118 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:27:41" (1/1) ... [2022-07-12 16:27:42,119 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 16:27:42,119 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2022-07-12 16:27:42,122 INFO L158 Benchmark]: Toolchain (without parser) took 3826.33ms. Allocated memory was 100.7MB in the beginning and 264.2MB in the end (delta: 163.6MB). Free memory was 69.5MB in the beginning and 126.6MB in the end (delta: -57.1MB). Peak memory consumption was 104.7MB. Max. memory is 16.1GB. [2022-07-12 16:27:42,122 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 100.7MB. Free memory is still 56.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 16:27:42,123 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3612.63ms. Allocated memory was 100.7MB in the beginning and 264.2MB in the end (delta: 163.6MB). Free memory was 69.2MB in the beginning and 135.0MB in the end (delta: -65.8MB). Peak memory consumption was 119.4MB. Max. memory is 16.1GB. [2022-07-12 16:27:42,123 INFO L158 Benchmark]: Boogie Procedure Inliner took 211.15ms. Allocated memory is still 264.2MB. Free memory was 135.0MB in the beginning and 126.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-12 16:27:42,124 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 100.7MB. Free memory is still 56.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3612.63ms. Allocated memory was 100.7MB in the beginning and 264.2MB in the end (delta: 163.6MB). Free memory was 69.2MB in the beginning and 135.0MB in the end (delta: -65.8MB). Peak memory consumption was 119.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 211.15ms. Allocated memory is still 264.2MB. Free memory was 135.0MB in the beginning and 126.6MB in the end (delta: 8.4MB). 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-?-6c24879 [2022-07-12 16:27:43,605 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 16:27:43,607 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 16:27:43,647 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 16:27:43,647 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 16:27:43,648 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 16:27:43,651 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 16:27:43,653 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 16:27:43,655 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 16:27:43,658 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 16:27:43,659 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 16:27:43,662 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 16:27:43,663 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 16:27:43,664 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 16:27:43,665 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 16:27:43,667 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 16:27:43,668 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 16:27:43,669 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 16:27:43,670 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 16:27:43,674 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 16:27:43,675 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 16:27:43,675 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 16:27:43,677 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 16:27:43,677 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 16:27:43,679 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 16:27:43,685 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 16:27:43,686 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 16:27:43,686 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 16:27:43,687 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 16:27:43,687 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 16:27:43,688 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 16:27:43,688 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 16:27:43,690 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 16:27:43,690 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 16:27:43,691 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 16:27:43,692 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 16:27:43,692 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 16:27:43,693 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 16:27:43,693 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 16:27:43,693 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 16:27:43,694 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 16:27:43,694 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 16:27:43,701 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-12 16:27:43,732 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 16:27:43,732 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 16:27:43,733 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 16:27:43,733 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 16:27:43,733 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 16:27:43,733 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 16:27:43,734 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 16:27:43,734 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 16:27:43,734 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 16:27:43,735 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 16:27:43,735 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 16:27:43,735 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 16:27:43,735 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 16:27:43,736 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 16:27:43,736 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 16:27:43,736 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-12 16:27:43,736 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-12 16:27:43,736 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 16:27:43,736 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 16:27:43,737 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 16:27:43,737 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 16:27:43,737 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 16:27:43,737 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 16:27:43,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 16:27:43,737 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 16:27:43,737 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 16:27:43,738 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 16:27:43,738 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-12 16:27:43,738 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-12 16:27:43,738 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 16:27:43,738 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 16:27:43,738 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 16:27:43,739 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-12 16:27:43,739 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52f53de973aa03e2a9eaadeeb26ce30c3104ed671c54a416d14fc4c2bdab8bd9 [2022-07-12 16:27:44,039 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 16:27:44,053 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 16:27:44,054 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 16:27:44,055 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 16:27:44,056 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 16:27:44,057 INFO L432 ainManager$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 [2022-07-12 16:27:44,108 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f312b1cf8/45fd23dcbf574deab23641e23bdf4f82/FLAG029f0c6e3 [2022-07-12 16:27:44,895 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 16:27:44,895 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 [2022-07-12 16:27:44,942 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f312b1cf8/45fd23dcbf574deab23641e23bdf4f82/FLAG029f0c6e3 [2022-07-12 16:27:45,136 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f312b1cf8/45fd23dcbf574deab23641e23bdf4f82 [2022-07-12 16:27:45,138 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 16:27:45,139 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 16:27:45,141 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 16:27:45,141 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 16:27:45,143 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 16:27:45,144 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:27:45" (1/1) ... [2022-07-12 16:27:45,145 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2be191ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:27:45, skipping insertion in model container [2022-07-12 16:27:45,145 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:27:45" (1/1) ... [2022-07-12 16:27:45,150 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 16:27:45,274 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 16:27:48,267 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] [2022-07-12 16:27:48,270 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] [2022-07-12 16:27:48,273 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] [2022-07-12 16:27:48,274 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] [2022-07-12 16:27:48,301 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:27:48,340 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-12 16:27:48,390 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 16:27:48,712 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] [2022-07-12 16:27:48,712 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] [2022-07-12 16:27:48,713 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] [2022-07-12 16:27:48,713 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] [2022-07-12 16:27:48,726 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:27:48,750 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 16:27:49,067 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] [2022-07-12 16:27:49,068 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] [2022-07-12 16:27:49,068 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] [2022-07-12 16:27:49,068 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] [2022-07-12 16:27:49,073 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:27:49,317 INFO L208 MainTranslator]: Completed translation [2022-07-12 16:27:49,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:27:49 WrapperNode [2022-07-12 16:27:49,317 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 16:27:49,318 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 16:27:49,318 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 16:27:49,319 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 16:27:49,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:27:49" (1/1) ... [2022-07-12 16:27:49,406 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:27:49" (1/1) ... [2022-07-12 16:27:49,599 INFO L137 Inliner]: procedures = 558, calls = 4122, calls flagged for inlining = 248, calls inlined = 231, statements flattened = 8349 [2022-07-12 16:27:49,601 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 16:27:49,602 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 16:27:49,602 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 16:27:49,602 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 16:27:49,609 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:27:49" (1/1) ... [2022-07-12 16:27:49,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:27:49" (1/1) ... [2022-07-12 16:27:49,668 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:27:49" (1/1) ... [2022-07-12 16:27:49,669 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:27:49" (1/1) ... [2022-07-12 16:27:49,837 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:27:49" (1/1) ... [2022-07-12 16:27:49,878 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:27:49" (1/1) ... [2022-07-12 16:27:49,908 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:27:49" (1/1) ... [2022-07-12 16:27:49,949 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 16:27:49,950 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 16:27:49,950 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 16:27:49,950 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 16:27:49,951 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:27:49" (1/1) ... [2022-07-12 16:27:49,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 16:27:49,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 16:27:49,971 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) [2022-07-12 16:27:49,980 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 [2022-07-12 16:27:49,998 INFO L130 BoogieDeclarations]: Found specification of procedure disable_ast [2022-07-12 16:27:49,998 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_ast [2022-07-12 16:27:49,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-12 16:27:49,998 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-12 16:27:49,999 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-12 16:27:49,999 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-12 16:27:49,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 16:27:49,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 16:27:49,999 INFO L130 BoogieDeclarations]: Found specification of procedure type4_infoblock [2022-07-12 16:27:49,999 INFO L138 BoogieDeclarations]: Found implementation of procedure type4_infoblock [2022-07-12 16:27:49,999 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_put_cache [2022-07-12 16:27:49,999 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_put_cache [2022-07-12 16:27:49,999 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-07-12 16:27:50,000 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-07-12 16:27:50,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_de4x5_private [2022-07-12 16:27:50,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_de4x5_private [2022-07-12 16:27:50,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-12 16:27:50,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-12 16:27:50,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_de4x5_private [2022-07-12 16:27:50,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_de4x5_private [2022-07-12 16:27:50,000 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_mii [2022-07-12 16:27:50,001 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_mii [2022-07-12 16:27:50,001 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_switch_mac_port [2022-07-12 16:27:50,001 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_switch_mac_port [2022-07-12 16:27:50,001 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-12 16:27:50,001 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-12 16:27:50,001 INFO L130 BoogieDeclarations]: Found specification of procedure srom_latch [2022-07-12 16:27:50,001 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_latch [2022-07-12 16:27:50,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_69 [2022-07-12 16:27:50,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_69 [2022-07-12 16:27:50,002 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-12 16:27:50,002 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-12 16:27:50,002 INFO L130 BoogieDeclarations]: Found specification of procedure build_setup_frame [2022-07-12 16:27:50,002 INFO L138 BoogieDeclarations]: Found implementation of procedure build_setup_frame [2022-07-12 16:27:50,002 INFO L130 BoogieDeclarations]: Found specification of procedure type2_infoblock [2022-07-12 16:27:50,002 INFO L138 BoogieDeclarations]: Found implementation of procedure type2_infoblock [2022-07-12 16:27:50,002 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-12 16:27:50,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-12 16:27:50,003 INFO L130 BoogieDeclarations]: Found specification of procedure type0_infoblock [2022-07-12 16:27:50,003 INFO L138 BoogieDeclarations]: Found implementation of procedure type0_infoblock [2022-07-12 16:27:50,003 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-07-12 16:27:50,003 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-07-12 16:27:50,003 INFO L130 BoogieDeclarations]: Found specification of procedure DevicePresent [2022-07-12 16:27:50,003 INFO L138 BoogieDeclarations]: Found implementation of procedure DevicePresent [2022-07-12 16:27:50,003 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-07-12 16:27:50,003 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-07-12 16:27:50,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-12 16:27:50,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-12 16:27:50,004 INFO L130 BoogieDeclarations]: Found specification of procedure dc21143_infoleaf [2022-07-12 16:27:50,004 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21143_infoleaf [2022-07-12 16:27:50,004 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2022-07-12 16:27:50,004 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2022-07-12 16:27:50,004 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-12 16:27:50,004 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-12 16:27:50,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 16:27:50,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 16:27:50,005 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2022-07-12 16:27:50,005 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_sw_reset [2022-07-12 16:27:50,005 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_sw_reset [2022-07-12 16:27:50,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 16:27:50,005 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2022-07-12 16:27:50,005 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2022-07-12 16:27:50,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-12 16:27:50,005 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-07-12 16:27:50,006 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-07-12 16:27:50,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-12 16:27:50,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-12 16:27:50,006 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-07-12 16:27:50,006 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-07-12 16:27:50,006 INFO L130 BoogieDeclarations]: Found specification of procedure is_spd_100 [2022-07-12 16:27:50,006 INFO L138 BoogieDeclarations]: Found implementation of procedure is_spd_100 [2022-07-12 16:27:50,006 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-12 16:27:50,006 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-12 16:27:50,007 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~C_INT [2022-07-12 16:27:50,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~C_INT [2022-07-12 16:27:50,007 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-12 16:27:50,007 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-12 16:27:50,007 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_mii [2022-07-12 16:27:50,007 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_mii [2022-07-12 16:27:50,007 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_rx_buffs [2022-07-12 16:27:50,007 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_rx_buffs [2022-07-12 16:27:50,007 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-12 16:27:50,007 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-12 16:27:50,008 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-12 16:27:50,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-12 16:27:50,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-12 16:27:50,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-12 16:27:50,008 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~C_INT [2022-07-12 16:27:50,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~C_INT [2022-07-12 16:27:50,008 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-12 16:27:50,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-12 16:27:50,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 16:27:50,009 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 16:27:50,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-12 16:27:50,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-12 16:27:50,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-12 16:27:50,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-12 16:27:50,009 INFO L130 BoogieDeclarations]: Found specification of procedure ping_media [2022-07-12 16:27:50,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ping_media [2022-07-12 16:27:50,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-12 16:27:50,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-12 16:27:50,010 INFO L130 BoogieDeclarations]: Found specification of procedure srom_autoconf [2022-07-12 16:27:50,010 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_autoconf [2022-07-12 16:27:50,010 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-12 16:27:50,010 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-12 16:27:50,010 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-07-12 16:27:50,010 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-07-12 16:27:50,010 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_tx [2022-07-12 16:27:50,010 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_tx [2022-07-12 16:27:50,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-12 16:27:50,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-12 16:27:50,011 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-07-12 16:27:50,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-07-12 16:27:50,011 INFO L130 BoogieDeclarations]: Found specification of procedure srom_rd [2022-07-12 16:27:50,011 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_rd [2022-07-12 16:27:50,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 16:27:50,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-12 16:27:50,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-12 16:27:50,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-12 16:27:50,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-12 16:27:50,012 INFO L130 BoogieDeclarations]: Found specification of procedure SetMulticastFilter [2022-07-12 16:27:50,012 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMulticastFilter [2022-07-12 16:27:50,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 16:27:50,012 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ioctl [2022-07-12 16:27:50,012 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ioctl [2022-07-12 16:27:50,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-12 16:27:50,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-12 16:27:50,012 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-12 16:27:50,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-12 16:27:50,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 16:27:50,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-12 16:27:50,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-12 16:27:50,013 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 16:27:50,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 16:27:50,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-12 16:27:50,013 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_srom [2022-07-12 16:27:50,013 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_srom [2022-07-12 16:27:50,013 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-07-12 16:27:50,014 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-07-12 16:27:50,014 INFO L130 BoogieDeclarations]: Found specification of procedure mii_swap [2022-07-12 16:27:50,014 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_swap [2022-07-12 16:27:50,014 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_reset_phy [2022-07-12 16:27:50,014 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_reset_phy [2022-07-12 16:27:50,014 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_putb_cache [2022-07-12 16:27:50,014 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_putb_cache [2022-07-12 16:27:50,014 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-12 16:27:50,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-12 16:27:50,015 INFO L130 BoogieDeclarations]: Found specification of procedure dc21142_infoleaf [2022-07-12 16:27:50,015 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21142_infoleaf [2022-07-12 16:27:50,015 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-12 16:27:50,015 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-12 16:27:50,015 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_stats [2022-07-12 16:27:50,015 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_stats [2022-07-12 16:27:50,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-12 16:27:50,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-12 16:27:50,015 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-07-12 16:27:50,015 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-07-12 16:27:50,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-12 16:27:50,016 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init_connection [2022-07-12 16:27:50,016 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init_connection [2022-07-12 16:27:50,016 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wr [2022-07-12 16:27:50,016 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wr [2022-07-12 16:27:50,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 16:27:50,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 16:27:50,016 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_state [2022-07-12 16:27:50,016 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_state [2022-07-12 16:27:50,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-12 16:27:50,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-07-12 16:27:50,017 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-07-12 16:27:50,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-12 16:27:50,017 INFO L130 BoogieDeclarations]: Found specification of procedure type3_infoblock [2022-07-12 16:27:50,017 INFO L138 BoogieDeclarations]: Found implementation of procedure type3_infoblock [2022-07-12 16:27:50,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-12 16:27:50,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 16:27:50,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-12 16:27:50,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 16:27:50,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 16:27:50,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 16:27:50,018 INFO L130 BoogieDeclarations]: Found specification of procedure reset_init_sia [2022-07-12 16:27:50,018 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_init_sia [2022-07-12 16:27:50,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-12 16:27:50,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-12 16:27:50,018 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-12 16:27:50,018 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-12 16:27:50,018 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_alloc_rx_buff [2022-07-12 16:27:50,018 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_alloc_rx_buff [2022-07-12 16:27:50,019 INFO L130 BoogieDeclarations]: Found specification of procedure test_for_100Mb [2022-07-12 16:27:50,019 INFO L138 BoogieDeclarations]: Found implementation of procedure test_for_100Mb [2022-07-12 16:27:50,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-12 16:27:50,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-12 16:27:50,019 INFO L130 BoogieDeclarations]: Found specification of procedure type5_infoblock [2022-07-12 16:27:50,019 INFO L138 BoogieDeclarations]: Found implementation of procedure type5_infoblock [2022-07-12 16:27:50,019 INFO L130 BoogieDeclarations]: Found specification of procedure load_packet [2022-07-12 16:27:50,019 INFO L138 BoogieDeclarations]: Found implementation of procedure load_packet [2022-07-12 16:27:50,019 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140m_autoconf [2022-07-12 16:27:50,020 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140m_autoconf [2022-07-12 16:27:50,020 INFO L130 BoogieDeclarations]: Found specification of procedure is_100_up [2022-07-12 16:27:50,020 INFO L138 BoogieDeclarations]: Found implementation of procedure is_100_up [2022-07-12 16:27:50,020 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_open [2022-07-12 16:27:50,020 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_open [2022-07-12 16:27:50,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 16:27:50,020 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 16:27:50,020 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ta [2022-07-12 16:27:50,020 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ta [2022-07-12 16:27:50,020 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-12 16:27:50,021 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-12 16:27:50,021 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_autoconf [2022-07-12 16:27:50,021 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_autoconf [2022-07-12 16:27:50,021 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-07-12 16:27:50,021 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-07-12 16:27:50,021 INFO L130 BoogieDeclarations]: Found specification of procedure test_mii_reg [2022-07-12 16:27:50,021 INFO L138 BoogieDeclarations]: Found implementation of procedure test_mii_reg [2022-07-12 16:27:50,021 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_cache_state [2022-07-12 16:27:50,021 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_cache_state [2022-07-12 16:27:50,022 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-07-12 16:27:50,022 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-07-12 16:27:50,022 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_pci_remove [2022-07-12 16:27:50,022 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_pci_remove [2022-07-12 16:27:50,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 16:27:50,022 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_media [2022-07-12 16:27:50,022 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_media [2022-07-12 16:27:50,022 INFO L130 BoogieDeclarations]: Found specification of procedure autoconf_media [2022-07-12 16:27:50,022 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconf_media [2022-07-12 16:27:50,023 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_autoconf [2022-07-12 16:27:50,023 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_autoconf [2022-07-12 16:27:50,023 INFO L130 BoogieDeclarations]: Found specification of procedure mii_rd [2022-07-12 16:27:50,023 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_rd [2022-07-12 16:27:50,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 16:27:50,023 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ast [2022-07-12 16:27:50,023 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ast [2022-07-12 16:27:50,023 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2022-07-12 16:27:50,023 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2022-07-12 16:27:50,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-12 16:27:50,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-12 16:27:50,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-12 16:27:50,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-12 16:27:50,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 16:27:50,024 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-12 16:27:50,024 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-12 16:27:50,024 INFO L130 BoogieDeclarations]: Found specification of procedure is_10_up [2022-07-12 16:27:50,024 INFO L138 BoogieDeclarations]: Found implementation of procedure is_10_up [2022-07-12 16:27:50,024 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-07-12 16:27:50,025 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-07-12 16:27:50,025 INFO L130 BoogieDeclarations]: Found specification of procedure is_anc_capable [2022-07-12 16:27:50,025 INFO L138 BoogieDeclarations]: Found implementation of procedure is_anc_capable [2022-07-12 16:27:50,025 INFO L130 BoogieDeclarations]: Found specification of procedure type1_infoblock [2022-07-12 16:27:50,025 INFO L138 BoogieDeclarations]: Found implementation of procedure type1_infoblock [2022-07-12 16:27:50,025 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-12 16:27:50,025 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-12 16:27:50,025 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-07-12 16:27:50,025 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-07-12 16:27:50,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-07-12 16:27:50,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-07-12 16:27:50,026 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140_infoleaf [2022-07-12 16:27:50,026 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140_infoleaf [2022-07-12 16:27:50,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-12 16:27:50,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-12 16:27:50,026 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-07-12 16:27:50,026 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-07-12 16:27:50,026 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_queue_pkt [2022-07-12 16:27:50,027 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_queue_pkt [2022-07-12 16:27:50,027 INFO L130 BoogieDeclarations]: Found specification of procedure test_media [2022-07-12 16:27:50,027 INFO L138 BoogieDeclarations]: Found implementation of procedure test_media [2022-07-12 16:27:50,027 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buffs [2022-07-12 16:27:50,027 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buffs [2022-07-12 16:27:50,027 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2022-07-12 16:27:50,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2022-07-12 16:27:50,027 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-12 16:27:50,028 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-12 16:27:50,028 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-12 16:27:50,028 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-12 16:27:50,028 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-12 16:27:50,028 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-12 16:27:50,028 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init [2022-07-12 16:27:50,028 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init [2022-07-12 16:27:50,028 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-12 16:27:50,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-12 16:27:50,029 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-07-12 16:27:50,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-07-12 16:27:50,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_73 [2022-07-12 16:27:50,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_73 [2022-07-12 16:27:50,029 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_infoleaf [2022-07-12 16:27:50,029 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_infoleaf [2022-07-12 16:27:50,029 INFO L130 BoogieDeclarations]: Found specification of procedure srom_exec [2022-07-12 16:27:50,029 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_exec [2022-07-12 16:27:50,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-12 16:27:50,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-12 16:27:50,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-12 16:27:50,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-12 16:27:50,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 16:27:50,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 16:27:50,030 INFO L130 BoogieDeclarations]: Found specification of procedure gep_wr [2022-07-12 16:27:50,030 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_wr [2022-07-12 16:27:50,030 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-12 16:27:50,030 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-12 16:27:50,031 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_srom [2022-07-12 16:27:50,031 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_srom [2022-07-12 16:27:50,031 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-12 16:27:50,031 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-12 16:27:50,031 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_cache [2022-07-12 16:27:50,031 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_cache [2022-07-12 16:27:50,031 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_suspect_state [2022-07-12 16:27:50,031 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_suspect_state [2022-07-12 16:27:50,031 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_mii [2022-07-12 16:27:50,032 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_mii [2022-07-12 16:27:50,032 INFO L130 BoogieDeclarations]: Found specification of procedure compact_infoblock [2022-07-12 16:27:50,032 INFO L138 BoogieDeclarations]: Found implementation of procedure compact_infoblock [2022-07-12 16:27:50,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-12 16:27:50,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-12 16:27:50,032 INFO L130 BoogieDeclarations]: Found specification of procedure gep_rd [2022-07-12 16:27:50,032 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_rd [2022-07-12 16:27:50,032 INFO L130 BoogieDeclarations]: Found specification of procedure mii_address [2022-07-12 16:27:50,032 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_address [2022-07-12 16:27:50,033 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buff [2022-07-12 16:27:50,033 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buff [2022-07-12 16:27:50,033 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_setup_intr [2022-07-12 16:27:50,033 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_setup_intr [2022-07-12 16:27:50,033 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_save_skbs [2022-07-12 16:27:50,033 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_save_skbs [2022-07-12 16:27:50,033 INFO L130 BoogieDeclarations]: Found specification of procedure dc2114x_autoconf [2022-07-12 16:27:50,033 INFO L138 BoogieDeclarations]: Found implementation of procedure dc2114x_autoconf [2022-07-12 16:27:50,033 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-07-12 16:27:50,034 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-07-12 16:27:50,034 INFO L130 BoogieDeclarations]: Found specification of procedure srom_map_media [2022-07-12 16:27:50,034 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_map_media [2022-07-12 16:27:50,034 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_strncmp [2022-07-12 16:27:50,034 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_strncmp [2022-07-12 16:27:50,034 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-07-12 16:27:50,034 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-07-12 16:27:50,034 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_close [2022-07-12 16:27:50,035 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_close [2022-07-12 16:27:50,035 INFO L130 BoogieDeclarations]: Found specification of procedure yawn [2022-07-12 16:27:50,035 INFO L138 BoogieDeclarations]: Found implementation of procedure yawn [2022-07-12 16:27:50,035 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wdata [2022-07-12 16:27:50,035 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wdata [2022-07-12 16:27:50,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-12 16:27:50,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-12 16:27:50,035 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-12 16:27:50,999 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 16:27:51,002 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 16:27:54,535 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 16:28:59,147 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-12 16:29:00,086 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 16:29:00,112 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 16:29:00,112 INFO L299 CfgBuilder]: Removed 17 assume(true) statements. [2022-07-12 16:29:00,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 04:29:00 BoogieIcfgContainer [2022-07-12 16:29:00,117 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 16:29:00,118 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 16:29:00,118 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 16:29:00,120 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 16:29:00,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 04:27:45" (1/3) ... [2022-07-12 16:29:00,121 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61efe719 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 04:29:00, skipping insertion in model container [2022-07-12 16:29:00,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:27:49" (2/3) ... [2022-07-12 16:29:00,123 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61efe719 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 04:29:00, skipping insertion in model container [2022-07-12 16:29:00,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 04:29:00" (3/3) ... [2022-07-12 16:29:00,124 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2022-07-12 16:29:00,133 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 16:29:00,134 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-12 16:29:00,201 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 16:29:00,207 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@38eb705d, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@43bbf5e2 [2022-07-12 16:29:00,207 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-12 16:29:00,220 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) [2022-07-12 16:29:00,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-07-12 16:29:00,234 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:29:00,235 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] [2022-07-12 16:29:00,235 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)] === [2022-07-12 16:29:00,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:29:00,239 INFO L85 PathProgramCache]: Analyzing trace with hash -2145689996, now seen corresponding path program 1 times [2022-07-12 16:29:00,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:29:00,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [10630767] [2022-07-12 16:29:00,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:29:00,252 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:29:00,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:29:00,254 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) [2022-07-12 16:29:00,263 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-12 16:29:01,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:01,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 1767 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:29:01,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:29:02,188 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2022-07-12 16:29:02,189 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:29:02,189 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:29:02,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [10630767] [2022-07-12 16:29:02,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [10630767] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:29:02,189 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:29:02,190 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:29:02,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157262853] [2022-07-12 16:29:02,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:29:02,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:29:02,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:29:02,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:29:02,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:29:02,220 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) [2022-07-12 16:29:04,341 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:29:04,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:29:04,924 INFO L93 Difference]: Finished difference Result 11636 states and 17470 transitions. [2022-07-12 16:29:04,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:29:04,926 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 [2022-07-12 16:29:04,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:29:04,994 INFO L225 Difference]: With dead ends: 11636 [2022-07-12 16:29:04,995 INFO L226 Difference]: Without dead ends: 7698 [2022-07-12 16:29:05,037 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 [2022-07-12 16:29:05,040 INFO L413 NwaCegarLoop]: 6649 mSDtfsCounter, 5581 mSDsluCounter, 5659 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5581 SdHoareTripleChecker+Valid, 12308 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-07-12 16:29:05,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5581 Valid, 12308 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-07-12 16:29:05,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7698 states. [2022-07-12 16:29:05,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7698 to 7694. [2022-07-12 16:29:05,393 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) [2022-07-12 16:29:05,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7694 states to 7694 states and 11224 transitions. [2022-07-12 16:29:05,459 INFO L78 Accepts]: Start accepts. Automaton has 7694 states and 11224 transitions. Word has length 189 [2022-07-12 16:29:05,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:29:05,461 INFO L495 AbstractCegarLoop]: Abstraction has 7694 states and 11224 transitions. [2022-07-12 16:29:05,461 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) [2022-07-12 16:29:05,461 INFO L276 IsEmpty]: Start isEmpty. Operand 7694 states and 11224 transitions. [2022-07-12 16:29:05,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-07-12 16:29:05,469 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:29:05,470 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] [2022-07-12 16:29:05,517 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-12 16:29:05,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:29:05,681 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)] === [2022-07-12 16:29:05,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:29:05,681 INFO L85 PathProgramCache]: Analyzing trace with hash -1734393835, now seen corresponding path program 1 times [2022-07-12 16:29:05,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:29:05,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1156046356] [2022-07-12 16:29:05,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:29:05,683 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:29:05,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:29:05,686 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) [2022-07-12 16:29:05,688 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-12 16:29:07,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:07,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 1805 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:29:07,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:29:07,720 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2022-07-12 16:29:07,720 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:29:07,721 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:29:07,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1156046356] [2022-07-12 16:29:07,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1156046356] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:29:07,721 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:29:07,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:29:07,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434076140] [2022-07-12 16:29:07,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:29:07,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:29:07,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:29:07,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:29:07,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:29:07,723 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) [2022-07-12 16:29:09,881 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:29:10,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:29:10,594 INFO L93 Difference]: Finished difference Result 22590 states and 33282 transitions. [2022-07-12 16:29:10,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:29:10,595 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 [2022-07-12 16:29:10,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:29:10,704 INFO L225 Difference]: With dead ends: 22590 [2022-07-12 16:29:10,704 INFO L226 Difference]: Without dead ends: 14931 [2022-07-12 16:29:10,762 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:29:10,763 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, 2.4s IncrementalHoareTripleChecker+Time [2022-07-12 16:29:10,764 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5442 Valid, 12404 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 14 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-07-12 16:29:10,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14931 states. [2022-07-12 16:29:11,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14931 to 14895. [2022-07-12 16:29:11,241 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) [2022-07-12 16:29:11,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14895 states to 14895 states and 22055 transitions. [2022-07-12 16:29:11,335 INFO L78 Accepts]: Start accepts. Automaton has 14895 states and 22055 transitions. Word has length 195 [2022-07-12 16:29:11,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:29:11,336 INFO L495 AbstractCegarLoop]: Abstraction has 14895 states and 22055 transitions. [2022-07-12 16:29:11,336 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) [2022-07-12 16:29:11,337 INFO L276 IsEmpty]: Start isEmpty. Operand 14895 states and 22055 transitions. [2022-07-12 16:29:11,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-07-12 16:29:11,341 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:29:11,341 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] [2022-07-12 16:29:11,383 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-12 16:29:11,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:29:11,563 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)] === [2022-07-12 16:29:11,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:29:11,564 INFO L85 PathProgramCache]: Analyzing trace with hash -368432476, now seen corresponding path program 1 times [2022-07-12 16:29:11,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:29:11,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2136742332] [2022-07-12 16:29:11,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:29:11,566 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:29:11,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:29:11,568 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) [2022-07-12 16:29:11,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-12 16:29:13,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:13,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 1867 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:29:13,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:29:13,854 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2022-07-12 16:29:13,854 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:29:13,854 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:29:13,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2136742332] [2022-07-12 16:29:13,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2136742332] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:29:13,854 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:29:13,855 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:29:13,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546849697] [2022-07-12 16:29:13,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:29:13,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:29:13,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:29:13,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:29:13,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:29:13,856 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) [2022-07-12 16:29:16,004 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 [] [2022-07-12 16:29:17,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:29:17,284 INFO L93 Difference]: Finished difference Result 44441 states and 65831 transitions. [2022-07-12 16:29:17,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:29:17,285 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 [2022-07-12 16:29:17,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:29:17,450 INFO L225 Difference]: With dead ends: 44441 [2022-07-12 16:29:17,450 INFO L226 Difference]: Without dead ends: 29581 [2022-07-12 16:29:17,525 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 [2022-07-12 16:29:17,527 INFO L413 NwaCegarLoop]: 6640 mSDtfsCounter, 5551 mSDsluCounter, 5642 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s 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 [2022-07-12 16:29:17,528 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] [2022-07-12 16:29:17,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29581 states. [2022-07-12 16:29:18,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29581 to 29537. [2022-07-12 16:29:18,458 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) [2022-07-12 16:29:18,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29537 states to 29537 states and 43753 transitions. [2022-07-12 16:29:18,614 INFO L78 Accepts]: Start accepts. Automaton has 29537 states and 43753 transitions. Word has length 208 [2022-07-12 16:29:18,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:29:18,615 INFO L495 AbstractCegarLoop]: Abstraction has 29537 states and 43753 transitions. [2022-07-12 16:29:18,616 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) [2022-07-12 16:29:18,616 INFO L276 IsEmpty]: Start isEmpty. Operand 29537 states and 43753 transitions. [2022-07-12 16:29:18,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2022-07-12 16:29:18,620 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:29:18,620 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] [2022-07-12 16:29:18,661 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-12 16:29:18,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:29:18,834 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)] === [2022-07-12 16:29:18,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:29:18,835 INFO L85 PathProgramCache]: Analyzing trace with hash -1403309292, now seen corresponding path program 1 times [2022-07-12 16:29:18,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:29:18,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [767215643] [2022-07-12 16:29:18,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:29:18,837 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:29:18,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:29:18,838 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) [2022-07-12 16:29:18,838 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-12 16:29:20,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:20,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 1866 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:29:20,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:29:20,908 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2022-07-12 16:29:20,908 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:29:20,908 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:29:20,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [767215643] [2022-07-12 16:29:20,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [767215643] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:29:20,908 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:29:20,909 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:29:20,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225291229] [2022-07-12 16:29:20,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:29:20,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:29:20,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:29:20,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:29:20,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:29:20,911 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) [2022-07-12 16:29:23,025 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:29:24,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:29:24,966 INFO L93 Difference]: Finished difference Result 88193 states and 130691 transitions. [2022-07-12 16:29:24,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:29:24,967 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 [2022-07-12 16:29:24,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:29:25,397 INFO L225 Difference]: With dead ends: 88193 [2022-07-12 16:29:25,398 INFO L226 Difference]: Without dead ends: 58691 [2022-07-12 16:29:25,505 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 [2022-07-12 16:29:25,507 INFO L413 NwaCegarLoop]: 6640 mSDtfsCounter, 5552 mSDsluCounter, 5642 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s 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, 2.8s IncrementalHoareTripleChecker+Time [2022-07-12 16:29:25,508 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5552 Valid, 12282 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 39 Invalid, 1 Unknown, 0 Unchecked, 2.8s Time] [2022-07-12 16:29:25,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58691 states. [2022-07-12 16:29:27,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58691 to 58647. [2022-07-12 16:29:27,204 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) [2022-07-12 16:29:27,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58647 states to 58647 states and 86895 transitions. [2022-07-12 16:29:27,778 INFO L78 Accepts]: Start accepts. Automaton has 58647 states and 86895 transitions. Word has length 207 [2022-07-12 16:29:27,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:29:27,778 INFO L495 AbstractCegarLoop]: Abstraction has 58647 states and 86895 transitions. [2022-07-12 16:29:27,779 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) [2022-07-12 16:29:27,779 INFO L276 IsEmpty]: Start isEmpty. Operand 58647 states and 86895 transitions. [2022-07-12 16:29:27,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-07-12 16:29:27,782 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:29:27,782 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] [2022-07-12 16:29:27,821 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-12 16:29:28,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:29:28,007 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)] === [2022-07-12 16:29:28,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:29:28,008 INFO L85 PathProgramCache]: Analyzing trace with hash -2110405903, now seen corresponding path program 1 times [2022-07-12 16:29:28,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:29:28,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1311560123] [2022-07-12 16:29:28,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:29:28,010 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:29:28,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:29:28,012 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) [2022-07-12 16:29:28,014 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-12 16:29:29,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:29,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 1864 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:29:29,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:29:30,185 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2022-07-12 16:29:30,185 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:29:30,186 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:29:30,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1311560123] [2022-07-12 16:29:30,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1311560123] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:29:30,186 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:29:30,186 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:29:30,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355619001] [2022-07-12 16:29:30,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:29:30,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:29:30,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:29:30,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:29:30,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:29:30,188 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) [2022-07-12 16:29:32,337 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 [] [2022-07-12 16:29:35,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:29:35,454 INFO L93 Difference]: Finished difference Result 175175 states and 259665 transitions. [2022-07-12 16:29:35,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:29:35,454 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 [2022-07-12 16:29:35,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:29:36,287 INFO L225 Difference]: With dead ends: 175175 [2022-07-12 16:29:36,287 INFO L226 Difference]: Without dead ends: 116563 [2022-07-12 16:29:36,644 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 [2022-07-12 16:29:36,644 INFO L413 NwaCegarLoop]: 6641 mSDtfsCounter, 5554 mSDsluCounter, 5642 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s 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, 2.7s IncrementalHoareTripleChecker+Time [2022-07-12 16:29:36,645 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5554 Valid, 12283 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 39 Invalid, 1 Unknown, 0 Unchecked, 2.7s Time] [2022-07-12 16:29:36,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116563 states. [2022-07-12 16:29:39,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116563 to 116507. [2022-07-12 16:29:40,084 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) [2022-07-12 16:29:41,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116507 states to 116507 states and 172675 transitions. [2022-07-12 16:29:41,180 INFO L78 Accepts]: Start accepts. Automaton has 116507 states and 172675 transitions. Word has length 205 [2022-07-12 16:29:41,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:29:41,181 INFO L495 AbstractCegarLoop]: Abstraction has 116507 states and 172675 transitions. [2022-07-12 16:29:41,181 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) [2022-07-12 16:29:41,182 INFO L276 IsEmpty]: Start isEmpty. Operand 116507 states and 172675 transitions. [2022-07-12 16:29:41,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-07-12 16:29:41,185 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:29:41,185 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] [2022-07-12 16:29:41,232 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-12 16:29:41,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:29:41,412 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)] === [2022-07-12 16:29:41,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:29:41,412 INFO L85 PathProgramCache]: Analyzing trace with hash -949583327, now seen corresponding path program 1 times [2022-07-12 16:29:41,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:29:41,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [363217772] [2022-07-12 16:29:41,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:29:41,414 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:29:41,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:29:41,415 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) [2022-07-12 16:29:41,417 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-12 16:29:43,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:43,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 1865 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:29:43,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:29:43,587 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2022-07-12 16:29:43,587 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:29:43,587 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:29:43,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [363217772] [2022-07-12 16:29:43,587 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [363217772] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:29:43,587 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:29:43,587 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:29:43,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748142904] [2022-07-12 16:29:43,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:29:43,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:29:43,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:29:43,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:29:43,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:29:43,589 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) [2022-07-12 16:29:45,703 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:29:52,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:29:52,292 INFO L93 Difference]: Finished difference Result 347085 states and 514651 transitions. [2022-07-12 16:29:52,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:29:52,293 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 [2022-07-12 16:29:52,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:29:53,941 INFO L225 Difference]: With dead ends: 347085 [2022-07-12 16:29:53,941 INFO L226 Difference]: Without dead ends: 230613 [2022-07-12 16:29:54,571 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 [2022-07-12 16:29:54,572 INFO L413 NwaCegarLoop]: 6645 mSDtfsCounter, 5553 mSDsluCounter, 5642 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s 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, 2.8s IncrementalHoareTripleChecker+Time [2022-07-12 16:29:54,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5553 Valid, 12287 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 39 Invalid, 1 Unknown, 0 Unchecked, 2.8s Time] [2022-07-12 16:29:54,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230613 states. [2022-07-12 16:30:01,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230613 to 230533. [2022-07-12 16:30:01,670 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) [2022-07-12 16:30:03,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230533 states to 230533 states and 341777 transitions. [2022-07-12 16:30:03,627 INFO L78 Accepts]: Start accepts. Automaton has 230533 states and 341777 transitions. Word has length 206 [2022-07-12 16:30:03,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:30:03,628 INFO L495 AbstractCegarLoop]: Abstraction has 230533 states and 341777 transitions. [2022-07-12 16:30:03,629 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) [2022-07-12 16:30:03,629 INFO L276 IsEmpty]: Start isEmpty. Operand 230533 states and 341777 transitions. [2022-07-12 16:30:03,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2022-07-12 16:30:03,641 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:30:03,641 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] [2022-07-12 16:30:03,690 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-12 16:30:03,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:30:03,879 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)] === [2022-07-12 16:30:03,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:30:03,880 INFO L85 PathProgramCache]: Analyzing trace with hash -1706572458, now seen corresponding path program 1 times [2022-07-12 16:30:03,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:30:03,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [613452968] [2022-07-12 16:30:03,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:30:03,882 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:30:03,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:30:03,883 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) [2022-07-12 16:30:03,883 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-12 16:30:05,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:05,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 1889 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 16:30:05,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:30:12,568 INFO L134 CoverageAnalysis]: Checked inductivity of 1173 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1173 trivial. 0 not checked. [2022-07-12 16:30:12,569 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:30:12,569 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:30:12,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [613452968] [2022-07-12 16:30:12,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [613452968] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:30:12,570 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:30:12,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 16:30:12,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179121096] [2022-07-12 16:30:12,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:30:12,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 16:30:12,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:30:12,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 16:30:12,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 16:30:12,571 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) [2022-07-12 16:30:17,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:30:17,733 INFO L93 Difference]: Finished difference Result 230539 states and 341782 transitions. [2022-07-12 16:30:17,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 16:30:17,734 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 241 [2022-07-12 16:30:17,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:30:19,047 INFO L225 Difference]: With dead ends: 230539 [2022-07-12 16:30:19,047 INFO L226 Difference]: Without dead ends: 230537 [2022-07-12 16:30:19,168 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-12 16:30:19,168 INFO L413 NwaCegarLoop]: 5678 mSDtfsCounter, 5586 mSDsluCounter, 11343 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5587 SdHoareTripleChecker+Valid, 17021 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-12 16:30:19,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5587 Valid, 17021 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-12 16:30:19,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230537 states.