./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 eb692b52 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-?-eb692b5 [2022-07-20 03:29:56,662 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 03:29:56,664 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 03:29:56,717 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 03:29:56,718 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 03:29:56,719 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 03:29:56,721 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 03:29:56,726 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 03:29:56,728 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 03:29:56,732 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 03:29:56,733 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 03:29:56,735 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 03:29:56,736 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 03:29:56,737 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 03:29:56,738 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 03:29:56,742 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 03:29:56,743 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 03:29:56,744 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 03:29:56,746 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 03:29:56,751 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 03:29:56,753 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 03:29:56,754 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 03:29:56,755 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 03:29:56,756 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 03:29:56,757 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 03:29:56,764 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 03:29:56,764 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 03:29:56,764 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 03:29:56,765 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 03:29:56,766 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 03:29:56,767 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 03:29:56,767 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 03:29:56,769 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 03:29:56,769 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 03:29:56,770 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 03:29:56,771 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 03:29:56,771 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 03:29:56,772 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 03:29:56,773 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 03:29:56,773 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 03:29:56,774 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 03:29:56,775 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 03:29:56,777 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 03:29:56,805 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 03:29:56,805 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 03:29:56,806 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 03:29:56,806 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 03:29:56,807 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 03:29:56,807 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 03:29:56,807 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 03:29:56,808 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 03:29:56,808 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 03:29:56,809 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 03:29:56,809 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 03:29:56,809 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 03:29:56,809 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 03:29:56,809 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 03:29:56,810 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 03:29:56,810 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 03:29:56,810 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 03:29:56,810 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 03:29:56,812 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 03:29:56,812 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 03:29:56,812 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 03:29:56,812 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 03:29:56,813 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 03:29:56,813 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 03:29:56,813 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 03:29:56,813 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 03:29:56,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 03:29:56,814 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 03:29:56,814 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 03:29:56,814 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 03:29:56,814 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52f53de973aa03e2a9eaadeeb26ce30c3104ed671c54a416d14fc4c2bdab8bd9 [2022-07-20 03:29:57,057 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 03:29:57,079 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 03:29:57,081 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 03:29:57,082 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 03:29:57,083 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 03:29:57,084 INFO L432 ainManager$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 [2022-07-20 03:29:57,146 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/481d5c5a9/57565cc852284fb5be9a9b5e61eab5d5/FLAGd1e16c88f [2022-07-20 03:29:58,078 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 03:29:58,079 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 [2022-07-20 03:29:58,147 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/481d5c5a9/57565cc852284fb5be9a9b5e61eab5d5/FLAGd1e16c88f [2022-07-20 03:29:58,452 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/481d5c5a9/57565cc852284fb5be9a9b5e61eab5d5 [2022-07-20 03:29:58,454 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 03:29:58,456 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 03:29:58,457 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 03:29:58,457 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 03:29:58,460 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 03:29:58,461 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:29:58" (1/1) ... [2022-07-20 03:29:58,462 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63c53888 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:29:58, skipping insertion in model container [2022-07-20 03:29:58,462 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:29:58" (1/1) ... [2022-07-20 03:29:58,468 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 03:29:58,640 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 03:30:03,095 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] [2022-07-20 03:30:03,098 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480032,480045] [2022-07-20 03:30:03,099 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] [2022-07-20 03:30:03,100 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] [2022-07-20 03:30:03,140 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 03:30:03,185 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 03:30:03,688 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] [2022-07-20 03:30:03,688 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] [2022-07-20 03:30:03,689 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] [2022-07-20 03:30:03,689 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] [2022-07-20 03:30:03,696 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 03:30:03,861 INFO L208 MainTranslator]: Completed translation [2022-07-20 03:30:03,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:30:03 WrapperNode [2022-07-20 03:30:03,862 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 03:30:03,863 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 03:30:03,864 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 03:30:03,864 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 03:30:03,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:30:03" (1/1) ... [2022-07-20 03:30:03,967 ERROR L1136 TypeChecker]: C: lp->phy[lp->active].spd.value [10573]: Undeclared identifier #t~mem1644 in IdentifierExpression[#t~mem1644,] [2022-07-20 03:30:04,014 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:30:03" (1/1) ... [2022-07-20 03:30:04,014 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 03:30:04,015 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2022-07-20 03:30:04,017 INFO L158 Benchmark]: Toolchain (without parser) took 5559.51ms. Allocated memory was 121.6MB in the beginning and 220.2MB in the end (delta: 98.6MB). Free memory was 80.5MB in the beginning and 116.7MB in the end (delta: -36.2MB). Peak memory consumption was 119.1MB. Max. memory is 16.1GB. [2022-07-20 03:30:04,023 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 121.6MB. Free memory is still 78.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 03:30:04,023 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5405.48ms. Allocated memory was 121.6MB in the beginning and 220.2MB in the end (delta: 98.6MB). Free memory was 80.1MB in the beginning and 72.7MB in the end (delta: 7.4MB). Peak memory consumption was 113.8MB. Max. memory is 16.1GB. [2022-07-20 03:30:04,024 INFO L158 Benchmark]: Boogie Procedure Inliner took 151.13ms. Allocated memory is still 220.2MB. Free memory was 72.7MB in the beginning and 116.7MB in the end (delta: -44.0MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2022-07-20 03:30:04,026 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 121.6MB. Free memory is still 78.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5405.48ms. Allocated memory was 121.6MB in the beginning and 220.2MB in the end (delta: 98.6MB). Free memory was 80.1MB in the beginning and 72.7MB in the end (delta: 7.4MB). Peak memory consumption was 113.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 151.13ms. Allocated memory is still 220.2MB. Free memory was 72.7MB in the beginning and 116.7MB in the end (delta: -44.0MB). Peak memory consumption was 13.6MB. 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-?-eb692b5 [2022-07-20 03:30:05,914 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 03:30:05,917 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 03:30:05,959 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 03:30:05,960 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 03:30:05,961 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 03:30:05,965 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 03:30:05,967 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 03:30:05,969 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 03:30:05,974 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 03:30:05,974 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 03:30:05,976 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 03:30:05,977 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 03:30:05,978 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 03:30:05,980 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 03:30:05,985 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 03:30:05,986 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 03:30:05,988 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 03:30:05,989 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 03:30:05,993 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 03:30:05,994 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 03:30:05,995 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 03:30:05,997 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 03:30:05,998 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 03:30:05,999 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 03:30:06,005 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 03:30:06,007 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 03:30:06,007 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 03:30:06,008 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 03:30:06,009 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 03:30:06,010 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 03:30:06,010 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 03:30:06,012 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 03:30:06,013 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 03:30:06,014 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 03:30:06,015 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 03:30:06,015 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 03:30:06,016 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 03:30:06,016 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 03:30:06,016 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 03:30:06,017 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 03:30:06,018 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 03:30:06,024 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-20 03:30:06,057 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 03:30:06,058 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 03:30:06,058 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 03:30:06,058 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 03:30:06,059 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 03:30:06,059 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 03:30:06,060 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 03:30:06,060 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 03:30:06,060 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 03:30:06,061 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 03:30:06,062 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 03:30:06,062 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 03:30:06,062 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 03:30:06,062 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 03:30:06,062 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-20 03:30:06,063 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-20 03:30:06,063 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-20 03:30:06,063 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 03:30:06,063 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 03:30:06,063 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 03:30:06,064 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 03:30:06,064 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 03:30:06,064 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 03:30:06,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 03:30:06,065 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 03:30:06,065 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 03:30:06,065 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 03:30:06,065 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-20 03:30:06,065 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-20 03:30:06,065 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 03:30:06,066 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 03:30:06,066 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 03:30:06,066 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-20 03:30:06,066 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52f53de973aa03e2a9eaadeeb26ce30c3104ed671c54a416d14fc4c2bdab8bd9 [2022-07-20 03:30:06,425 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 03:30:06,450 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 03:30:06,453 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 03:30:06,454 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 03:30:06,455 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 03:30:06,457 INFO L432 ainManager$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 [2022-07-20 03:30:06,516 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42daeaa1e/d48b531e26724081a07f861c7a8f4a0a/FLAGed01eac24 [2022-07-20 03:30:07,464 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 03:30:07,465 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 [2022-07-20 03:30:07,538 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42daeaa1e/d48b531e26724081a07f861c7a8f4a0a/FLAGed01eac24 [2022-07-20 03:30:07,842 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42daeaa1e/d48b531e26724081a07f861c7a8f4a0a [2022-07-20 03:30:07,845 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 03:30:07,846 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 03:30:07,849 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 03:30:07,849 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 03:30:07,852 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 03:30:07,853 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:30:07" (1/1) ... [2022-07-20 03:30:07,855 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@513cb219 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:30:07, skipping insertion in model container [2022-07-20 03:30:07,855 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:30:07" (1/1) ... [2022-07-20 03:30:07,861 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 03:30:08,063 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 03:30:12,742 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] [2022-07-20 03:30:12,745 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] [2022-07-20 03:30:12,746 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] [2022-07-20 03:30:12,746 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] [2022-07-20 03:30:12,780 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 03:30:12,845 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-20 03:30:13,067 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 03:30:13,478 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] [2022-07-20 03:30:13,479 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] [2022-07-20 03:30:13,479 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] [2022-07-20 03:30:13,480 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] [2022-07-20 03:30:13,484 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 03:30:13,514 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 03:30:14,031 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] [2022-07-20 03:30:14,031 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] [2022-07-20 03:30:14,032 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] [2022-07-20 03:30:14,032 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] [2022-07-20 03:30:14,038 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 03:30:14,220 INFO L208 MainTranslator]: Completed translation [2022-07-20 03:30:14,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:30:14 WrapperNode [2022-07-20 03:30:14,221 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 03:30:14,222 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 03:30:14,222 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 03:30:14,223 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 03:30:14,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:30:14" (1/1) ... [2022-07-20 03:30:14,341 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:30:14" (1/1) ... [2022-07-20 03:30:14,594 INFO L137 Inliner]: procedures = 558, calls = 4122, calls flagged for inlining = 248, calls inlined = 231, statements flattened = 8349 [2022-07-20 03:30:14,596 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 03:30:14,596 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 03:30:14,597 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 03:30:14,597 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 03:30:14,606 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:30:14" (1/1) ... [2022-07-20 03:30:14,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:30:14" (1/1) ... [2022-07-20 03:30:14,683 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:30:14" (1/1) ... [2022-07-20 03:30:14,684 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:30:14" (1/1) ... [2022-07-20 03:30:14,946 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:30:14" (1/1) ... [2022-07-20 03:30:14,977 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:30:14" (1/1) ... [2022-07-20 03:30:15,021 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:30:14" (1/1) ... [2022-07-20 03:30:15,077 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 03:30:15,080 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 03:30:15,080 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 03:30:15,080 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 03:30:15,081 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:30:14" (1/1) ... [2022-07-20 03:30:15,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 03:30:15,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 03:30:15,113 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) [2022-07-20 03:30:15,121 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 [2022-07-20 03:30:15,150 INFO L130 BoogieDeclarations]: Found specification of procedure disable_ast [2022-07-20 03:30:15,150 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_ast [2022-07-20 03:30:15,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 03:30:15,151 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 03:30:15,151 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-20 03:30:15,151 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-20 03:30:15,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 03:30:15,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 03:30:15,151 INFO L130 BoogieDeclarations]: Found specification of procedure type4_infoblock [2022-07-20 03:30:15,151 INFO L138 BoogieDeclarations]: Found implementation of procedure type4_infoblock [2022-07-20 03:30:15,152 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_put_cache [2022-07-20 03:30:15,152 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_put_cache [2022-07-20 03:30:15,152 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-07-20 03:30:15,152 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-07-20 03:30:15,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_de4x5_private [2022-07-20 03:30:15,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_de4x5_private [2022-07-20 03:30:15,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-20 03:30:15,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-20 03:30:15,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_de4x5_private [2022-07-20 03:30:15,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_de4x5_private [2022-07-20 03:30:15,153 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_mii [2022-07-20 03:30:15,153 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_mii [2022-07-20 03:30:15,153 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_switch_mac_port [2022-07-20 03:30:15,153 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_switch_mac_port [2022-07-20 03:30:15,154 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-20 03:30:15,154 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-20 03:30:15,154 INFO L130 BoogieDeclarations]: Found specification of procedure srom_latch [2022-07-20 03:30:15,154 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_latch [2022-07-20 03:30:15,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_69 [2022-07-20 03:30:15,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_69 [2022-07-20 03:30:15,155 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-20 03:30:15,155 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-20 03:30:15,155 INFO L130 BoogieDeclarations]: Found specification of procedure build_setup_frame [2022-07-20 03:30:15,155 INFO L138 BoogieDeclarations]: Found implementation of procedure build_setup_frame [2022-07-20 03:30:15,155 INFO L130 BoogieDeclarations]: Found specification of procedure type2_infoblock [2022-07-20 03:30:15,155 INFO L138 BoogieDeclarations]: Found implementation of procedure type2_infoblock [2022-07-20 03:30:15,155 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-20 03:30:15,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-20 03:30:15,156 INFO L130 BoogieDeclarations]: Found specification of procedure type0_infoblock [2022-07-20 03:30:15,156 INFO L138 BoogieDeclarations]: Found implementation of procedure type0_infoblock [2022-07-20 03:30:15,156 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-07-20 03:30:15,156 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-07-20 03:30:15,156 INFO L130 BoogieDeclarations]: Found specification of procedure DevicePresent [2022-07-20 03:30:15,156 INFO L138 BoogieDeclarations]: Found implementation of procedure DevicePresent [2022-07-20 03:30:15,157 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-07-20 03:30:15,157 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-07-20 03:30:15,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-20 03:30:15,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-20 03:30:15,157 INFO L130 BoogieDeclarations]: Found specification of procedure dc21143_infoleaf [2022-07-20 03:30:15,157 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21143_infoleaf [2022-07-20 03:30:15,157 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2022-07-20 03:30:15,158 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2022-07-20 03:30:15,158 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-20 03:30:15,158 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-20 03:30:15,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 03:30:15,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 03:30:15,158 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2022-07-20 03:30:15,158 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_sw_reset [2022-07-20 03:30:15,159 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_sw_reset [2022-07-20 03:30:15,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 03:30:15,159 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2022-07-20 03:30:15,159 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2022-07-20 03:30:15,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-20 03:30:15,159 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-07-20 03:30:15,159 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-07-20 03:30:15,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-20 03:30:15,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-20 03:30:15,160 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-07-20 03:30:15,160 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-07-20 03:30:15,160 INFO L130 BoogieDeclarations]: Found specification of procedure is_spd_100 [2022-07-20 03:30:15,160 INFO L138 BoogieDeclarations]: Found implementation of procedure is_spd_100 [2022-07-20 03:30:15,160 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-20 03:30:15,161 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-20 03:30:15,161 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~C_INT [2022-07-20 03:30:15,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~C_INT [2022-07-20 03:30:15,161 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-20 03:30:15,161 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-20 03:30:15,161 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_mii [2022-07-20 03:30:15,161 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_mii [2022-07-20 03:30:15,162 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_rx_buffs [2022-07-20 03:30:15,162 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_rx_buffs [2022-07-20 03:30:15,162 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-20 03:30:15,162 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-20 03:30:15,162 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-20 03:30:15,162 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-20 03:30:15,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-20 03:30:15,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-20 03:30:15,163 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~C_INT [2022-07-20 03:30:15,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~C_INT [2022-07-20 03:30:15,163 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-20 03:30:15,163 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-20 03:30:15,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 03:30:15,164 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 03:30:15,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-20 03:30:15,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-20 03:30:15,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-20 03:30:15,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-20 03:30:15,164 INFO L130 BoogieDeclarations]: Found specification of procedure ping_media [2022-07-20 03:30:15,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ping_media [2022-07-20 03:30:15,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-20 03:30:15,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-20 03:30:15,165 INFO L130 BoogieDeclarations]: Found specification of procedure srom_autoconf [2022-07-20 03:30:15,165 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_autoconf [2022-07-20 03:30:15,165 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-20 03:30:15,165 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-20 03:30:15,165 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-07-20 03:30:15,166 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-07-20 03:30:15,166 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_tx [2022-07-20 03:30:15,166 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_tx [2022-07-20 03:30:15,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-20 03:30:15,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-20 03:30:15,166 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-07-20 03:30:15,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-07-20 03:30:15,167 INFO L130 BoogieDeclarations]: Found specification of procedure srom_rd [2022-07-20 03:30:15,167 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_rd [2022-07-20 03:30:15,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 03:30:15,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-20 03:30:15,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-20 03:30:15,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-20 03:30:15,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-20 03:30:15,168 INFO L130 BoogieDeclarations]: Found specification of procedure SetMulticastFilter [2022-07-20 03:30:15,168 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMulticastFilter [2022-07-20 03:30:15,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 03:30:15,168 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ioctl [2022-07-20 03:30:15,168 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ioctl [2022-07-20 03:30:15,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-20 03:30:15,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-20 03:30:15,169 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-20 03:30:15,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-20 03:30:15,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 03:30:15,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-20 03:30:15,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-20 03:30:15,169 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 03:30:15,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 03:30:15,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-20 03:30:15,170 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_srom [2022-07-20 03:30:15,170 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_srom [2022-07-20 03:30:15,170 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-07-20 03:30:15,170 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-07-20 03:30:15,170 INFO L130 BoogieDeclarations]: Found specification of procedure mii_swap [2022-07-20 03:30:15,170 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_swap [2022-07-20 03:30:15,170 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_reset_phy [2022-07-20 03:30:15,171 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_reset_phy [2022-07-20 03:30:15,171 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_putb_cache [2022-07-20 03:30:15,171 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_putb_cache [2022-07-20 03:30:15,171 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-20 03:30:15,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-20 03:30:15,171 INFO L130 BoogieDeclarations]: Found specification of procedure dc21142_infoleaf [2022-07-20 03:30:15,171 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21142_infoleaf [2022-07-20 03:30:15,172 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-20 03:30:15,172 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-20 03:30:15,172 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_stats [2022-07-20 03:30:15,172 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_stats [2022-07-20 03:30:15,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-20 03:30:15,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-20 03:30:15,172 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-07-20 03:30:15,173 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-07-20 03:30:15,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-20 03:30:15,173 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init_connection [2022-07-20 03:30:15,173 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init_connection [2022-07-20 03:30:15,173 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wr [2022-07-20 03:30:15,173 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wr [2022-07-20 03:30:15,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 03:30:15,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 03:30:15,174 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_state [2022-07-20 03:30:15,174 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_state [2022-07-20 03:30:15,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-20 03:30:15,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-07-20 03:30:15,174 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-07-20 03:30:15,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-20 03:30:15,174 INFO L130 BoogieDeclarations]: Found specification of procedure type3_infoblock [2022-07-20 03:30:15,175 INFO L138 BoogieDeclarations]: Found implementation of procedure type3_infoblock [2022-07-20 03:30:15,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-20 03:30:15,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 03:30:15,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-20 03:30:15,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 03:30:15,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 03:30:15,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 03:30:15,176 INFO L130 BoogieDeclarations]: Found specification of procedure reset_init_sia [2022-07-20 03:30:15,176 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_init_sia [2022-07-20 03:30:15,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-20 03:30:15,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-20 03:30:15,176 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-20 03:30:15,176 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-20 03:30:15,176 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_alloc_rx_buff [2022-07-20 03:30:15,177 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_alloc_rx_buff [2022-07-20 03:30:15,177 INFO L130 BoogieDeclarations]: Found specification of procedure test_for_100Mb [2022-07-20 03:30:15,177 INFO L138 BoogieDeclarations]: Found implementation of procedure test_for_100Mb [2022-07-20 03:30:15,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-20 03:30:15,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-20 03:30:15,177 INFO L130 BoogieDeclarations]: Found specification of procedure type5_infoblock [2022-07-20 03:30:15,177 INFO L138 BoogieDeclarations]: Found implementation of procedure type5_infoblock [2022-07-20 03:30:15,177 INFO L130 BoogieDeclarations]: Found specification of procedure load_packet [2022-07-20 03:30:15,178 INFO L138 BoogieDeclarations]: Found implementation of procedure load_packet [2022-07-20 03:30:15,178 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140m_autoconf [2022-07-20 03:30:15,178 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140m_autoconf [2022-07-20 03:30:15,178 INFO L130 BoogieDeclarations]: Found specification of procedure is_100_up [2022-07-20 03:30:15,178 INFO L138 BoogieDeclarations]: Found implementation of procedure is_100_up [2022-07-20 03:30:15,178 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_open [2022-07-20 03:30:15,178 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_open [2022-07-20 03:30:15,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 03:30:15,179 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 03:30:15,179 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ta [2022-07-20 03:30:15,179 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ta [2022-07-20 03:30:15,179 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-20 03:30:15,179 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-20 03:30:15,179 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_autoconf [2022-07-20 03:30:15,180 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_autoconf [2022-07-20 03:30:15,180 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-07-20 03:30:15,180 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-07-20 03:30:15,180 INFO L130 BoogieDeclarations]: Found specification of procedure test_mii_reg [2022-07-20 03:30:15,180 INFO L138 BoogieDeclarations]: Found implementation of procedure test_mii_reg [2022-07-20 03:30:15,180 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_cache_state [2022-07-20 03:30:15,180 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_cache_state [2022-07-20 03:30:15,180 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-07-20 03:30:15,181 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-07-20 03:30:15,181 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_pci_remove [2022-07-20 03:30:15,181 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_pci_remove [2022-07-20 03:30:15,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 03:30:15,181 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_media [2022-07-20 03:30:15,181 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_media [2022-07-20 03:30:15,181 INFO L130 BoogieDeclarations]: Found specification of procedure autoconf_media [2022-07-20 03:30:15,182 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconf_media [2022-07-20 03:30:15,182 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_autoconf [2022-07-20 03:30:15,182 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_autoconf [2022-07-20 03:30:15,182 INFO L130 BoogieDeclarations]: Found specification of procedure mii_rd [2022-07-20 03:30:15,182 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_rd [2022-07-20 03:30:15,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 03:30:15,182 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ast [2022-07-20 03:30:15,182 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ast [2022-07-20 03:30:15,183 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2022-07-20 03:30:15,183 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2022-07-20 03:30:15,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-20 03:30:15,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-20 03:30:15,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-20 03:30:15,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-20 03:30:15,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 03:30:15,184 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-20 03:30:15,184 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-20 03:30:15,184 INFO L130 BoogieDeclarations]: Found specification of procedure is_10_up [2022-07-20 03:30:15,184 INFO L138 BoogieDeclarations]: Found implementation of procedure is_10_up [2022-07-20 03:30:15,184 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-07-20 03:30:15,184 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-07-20 03:30:15,184 INFO L130 BoogieDeclarations]: Found specification of procedure is_anc_capable [2022-07-20 03:30:15,185 INFO L138 BoogieDeclarations]: Found implementation of procedure is_anc_capable [2022-07-20 03:30:15,185 INFO L130 BoogieDeclarations]: Found specification of procedure type1_infoblock [2022-07-20 03:30:15,185 INFO L138 BoogieDeclarations]: Found implementation of procedure type1_infoblock [2022-07-20 03:30:15,185 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-20 03:30:15,185 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-20 03:30:15,185 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-07-20 03:30:15,185 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-07-20 03:30:15,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-07-20 03:30:15,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-07-20 03:30:15,186 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140_infoleaf [2022-07-20 03:30:15,186 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140_infoleaf [2022-07-20 03:30:15,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-20 03:30:15,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-20 03:30:15,186 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-07-20 03:30:15,186 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-07-20 03:30:15,187 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_queue_pkt [2022-07-20 03:30:15,187 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_queue_pkt [2022-07-20 03:30:15,187 INFO L130 BoogieDeclarations]: Found specification of procedure test_media [2022-07-20 03:30:15,187 INFO L138 BoogieDeclarations]: Found implementation of procedure test_media [2022-07-20 03:30:15,187 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buffs [2022-07-20 03:30:15,187 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buffs [2022-07-20 03:30:15,187 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2022-07-20 03:30:15,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2022-07-20 03:30:15,188 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-20 03:30:15,188 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-20 03:30:15,188 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-20 03:30:15,188 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-20 03:30:15,188 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-20 03:30:15,188 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-20 03:30:15,189 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init [2022-07-20 03:30:15,189 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init [2022-07-20 03:30:15,189 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-20 03:30:15,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-20 03:30:15,189 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-07-20 03:30:15,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-07-20 03:30:15,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_73 [2022-07-20 03:30:15,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_73 [2022-07-20 03:30:15,190 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_infoleaf [2022-07-20 03:30:15,190 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_infoleaf [2022-07-20 03:30:15,190 INFO L130 BoogieDeclarations]: Found specification of procedure srom_exec [2022-07-20 03:30:15,190 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_exec [2022-07-20 03:30:15,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-20 03:30:15,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-20 03:30:15,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-20 03:30:15,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-20 03:30:15,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 03:30:15,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 03:30:15,191 INFO L130 BoogieDeclarations]: Found specification of procedure gep_wr [2022-07-20 03:30:15,191 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_wr [2022-07-20 03:30:15,192 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-20 03:30:15,192 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-20 03:30:15,192 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_srom [2022-07-20 03:30:15,192 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_srom [2022-07-20 03:30:15,192 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-20 03:30:15,192 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-20 03:30:15,192 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_cache [2022-07-20 03:30:15,192 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_cache [2022-07-20 03:30:15,193 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_suspect_state [2022-07-20 03:30:15,193 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_suspect_state [2022-07-20 03:30:15,193 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_mii [2022-07-20 03:30:15,193 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_mii [2022-07-20 03:30:15,193 INFO L130 BoogieDeclarations]: Found specification of procedure compact_infoblock [2022-07-20 03:30:15,193 INFO L138 BoogieDeclarations]: Found implementation of procedure compact_infoblock [2022-07-20 03:30:15,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-20 03:30:15,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-20 03:30:15,194 INFO L130 BoogieDeclarations]: Found specification of procedure gep_rd [2022-07-20 03:30:15,194 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_rd [2022-07-20 03:30:15,194 INFO L130 BoogieDeclarations]: Found specification of procedure mii_address [2022-07-20 03:30:15,194 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_address [2022-07-20 03:30:15,194 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buff [2022-07-20 03:30:15,194 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buff [2022-07-20 03:30:15,195 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_setup_intr [2022-07-20 03:30:15,195 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_setup_intr [2022-07-20 03:30:15,195 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_save_skbs [2022-07-20 03:30:15,195 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_save_skbs [2022-07-20 03:30:15,195 INFO L130 BoogieDeclarations]: Found specification of procedure dc2114x_autoconf [2022-07-20 03:30:15,195 INFO L138 BoogieDeclarations]: Found implementation of procedure dc2114x_autoconf [2022-07-20 03:30:15,195 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-07-20 03:30:15,195 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-07-20 03:30:15,196 INFO L130 BoogieDeclarations]: Found specification of procedure srom_map_media [2022-07-20 03:30:15,196 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_map_media [2022-07-20 03:30:15,196 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_strncmp [2022-07-20 03:30:15,196 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_strncmp [2022-07-20 03:30:15,196 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-07-20 03:30:15,196 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-07-20 03:30:15,196 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_close [2022-07-20 03:30:15,196 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_close [2022-07-20 03:30:15,197 INFO L130 BoogieDeclarations]: Found specification of procedure yawn [2022-07-20 03:30:15,197 INFO L138 BoogieDeclarations]: Found implementation of procedure yawn [2022-07-20 03:30:15,197 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wdata [2022-07-20 03:30:15,197 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wdata [2022-07-20 03:30:15,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-20 03:30:15,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-20 03:30:15,197 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-20 03:30:16,289 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 03:30:16,292 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 03:30:20,474 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 03:31:39,511 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-20 03:31:40,450 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 03:31:40,480 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 03:31:40,481 INFO L299 CfgBuilder]: Removed 17 assume(true) statements. [2022-07-20 03:31:40,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:31:40 BoogieIcfgContainer [2022-07-20 03:31:40,487 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 03:31:40,489 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 03:31:40,489 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 03:31:40,492 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 03:31:40,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 03:30:07" (1/3) ... [2022-07-20 03:31:40,493 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72205450 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:31:40, skipping insertion in model container [2022-07-20 03:31:40,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:30:14" (2/3) ... [2022-07-20 03:31:40,498 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72205450 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:31:40, skipping insertion in model container [2022-07-20 03:31:40,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:31:40" (3/3) ... [2022-07-20 03:31:40,500 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2022-07-20 03:31:40,511 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 03:31:40,511 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-20 03:31:40,631 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 03:31:40,638 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@46c4c0a1, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@35867509 [2022-07-20 03:31:40,639 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-20 03:31:40,657 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) [2022-07-20 03:31:40,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-07-20 03:31:40,690 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:31:40,691 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] [2022-07-20 03:31:40,692 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)] === [2022-07-20 03:31:40,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:31:40,698 INFO L85 PathProgramCache]: Analyzing trace with hash -2145689996, now seen corresponding path program 1 times [2022-07-20 03:31:40,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:31:40,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1465287852] [2022-07-20 03:31:40,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:31:40,722 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:31:40,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:31:40,728 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) [2022-07-20 03:31:40,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-20 03:31:42,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:42,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 1767 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 03:31:42,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:31:43,040 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2022-07-20 03:31:43,041 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:31:43,041 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:31:43,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1465287852] [2022-07-20 03:31:43,042 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1465287852] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:31:43,042 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:31:43,042 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 03:31:43,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199765299] [2022-07-20 03:31:43,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:31:43,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 03:31:43,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:31:43,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 03:31:43,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:31:43,081 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) [2022-07-20 03:31:45,328 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:31:46,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:31:46,030 INFO L93 Difference]: Finished difference Result 11636 states and 17470 transitions. [2022-07-20 03:31:46,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 03:31:46,033 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 [2022-07-20 03:31:46,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:31:46,127 INFO L225 Difference]: With dead ends: 11636 [2022-07-20 03:31:46,128 INFO L226 Difference]: Without dead ends: 7698 [2022-07-20 03:31:46,179 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 [2022-07-20 03:31:46,184 INFO L413 NwaCegarLoop]: 6649 mSDtfsCounter, 5581 mSDsluCounter, 5659 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5581 SdHoareTripleChecker+Valid, 12308 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-20 03:31:46,185 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5581 Valid, 12308 Invalid, 14 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-07-20 03:31:46,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7698 states. [2022-07-20 03:31:46,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7698 to 7694. [2022-07-20 03:31:46,658 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) [2022-07-20 03:31:46,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7694 states to 7694 states and 11224 transitions. [2022-07-20 03:31:46,740 INFO L78 Accepts]: Start accepts. Automaton has 7694 states and 11224 transitions. Word has length 189 [2022-07-20 03:31:46,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:31:46,744 INFO L495 AbstractCegarLoop]: Abstraction has 7694 states and 11224 transitions. [2022-07-20 03:31:46,745 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) [2022-07-20 03:31:46,745 INFO L276 IsEmpty]: Start isEmpty. Operand 7694 states and 11224 transitions. [2022-07-20 03:31:46,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-07-20 03:31:46,753 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:31:46,753 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] [2022-07-20 03:31:46,810 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-20 03:31:46,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 03:31:46,968 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)] === [2022-07-20 03:31:46,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:31:46,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1734393835, now seen corresponding path program 1 times [2022-07-20 03:31:46,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:31:46,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1428956064] [2022-07-20 03:31:46,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:31:46,973 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:31:46,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:31:46,975 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) [2022-07-20 03:31:46,977 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-20 03:31:48,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:48,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 1805 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 03:31:48,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:31:49,139 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2022-07-20 03:31:49,139 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:31:49,139 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:31:49,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1428956064] [2022-07-20 03:31:49,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1428956064] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:31:49,139 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:31:49,140 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 03:31:49,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776316190] [2022-07-20 03:31:49,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:31:49,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 03:31:49,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:31:49,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 03:31:49,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:31:49,142 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) [2022-07-20 03:31:51,269 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:31:52,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:31:52,454 INFO L93 Difference]: Finished difference Result 22590 states and 33282 transitions. [2022-07-20 03:31:52,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 03:31:52,455 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 [2022-07-20 03:31:52,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:31:52,574 INFO L225 Difference]: With dead ends: 22590 [2022-07-20 03:31:52,575 INFO L226 Difference]: Without dead ends: 14931 [2022-07-20 03:31:52,635 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 [2022-07-20 03:31:52,636 INFO L413 NwaCegarLoop]: 6714 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, 12407 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-07-20 03:31:52,638 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5442 Valid, 12407 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 14 Invalid, 1 Unknown, 0 Unchecked, 2.6s Time] [2022-07-20 03:31:52,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14931 states. [2022-07-20 03:31:53,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14931 to 14895. [2022-07-20 03:31:53,339 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) [2022-07-20 03:31:53,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14895 states to 14895 states and 22055 transitions. [2022-07-20 03:31:53,458 INFO L78 Accepts]: Start accepts. Automaton has 14895 states and 22055 transitions. Word has length 195 [2022-07-20 03:31:53,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:31:53,459 INFO L495 AbstractCegarLoop]: Abstraction has 14895 states and 22055 transitions. [2022-07-20 03:31:53,460 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) [2022-07-20 03:31:53,461 INFO L276 IsEmpty]: Start isEmpty. Operand 14895 states and 22055 transitions. [2022-07-20 03:31:53,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-07-20 03:31:53,466 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:31:53,467 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] [2022-07-20 03:31:53,528 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-20 03:31:53,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 03:31:53,692 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)] === [2022-07-20 03:31:53,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:31:53,692 INFO L85 PathProgramCache]: Analyzing trace with hash -368432476, now seen corresponding path program 1 times [2022-07-20 03:31:53,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:31:53,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1399151342] [2022-07-20 03:31:53,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:31:53,695 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:31:53,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:31:53,698 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) [2022-07-20 03:31:53,701 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-20 03:31:55,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:55,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 1867 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 03:31:55,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:31:56,102 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2022-07-20 03:31:56,102 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:31:56,102 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:31:56,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1399151342] [2022-07-20 03:31:56,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1399151342] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:31:56,103 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:31:56,103 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 03:31:56,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921982304] [2022-07-20 03:31:56,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:31:56,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 03:31:56,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:31:56,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 03:31:56,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:31:56,107 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) [2022-07-20 03:31:58,228 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:31:59,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:31:59,869 INFO L93 Difference]: Finished difference Result 44441 states and 65831 transitions. [2022-07-20 03:31:59,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 03:31:59,871 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 [2022-07-20 03:31:59,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:32:00,126 INFO L225 Difference]: With dead ends: 44441 [2022-07-20 03:32:00,126 INFO L226 Difference]: Without dead ends: 29581 [2022-07-20 03:32:00,251 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 [2022-07-20 03:32:00,254 INFO L413 NwaCegarLoop]: 6640 mSDtfsCounter, 5551 mSDsluCounter, 5642 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5551 SdHoareTripleChecker+Valid, 12282 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-07-20 03:32:00,255 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] [2022-07-20 03:32:00,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29581 states. [2022-07-20 03:32:02,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29581 to 29537. [2022-07-20 03:32:02,103 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) [2022-07-20 03:32:02,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29537 states to 29537 states and 43753 transitions. [2022-07-20 03:32:02,339 INFO L78 Accepts]: Start accepts. Automaton has 29537 states and 43753 transitions. Word has length 208 [2022-07-20 03:32:02,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:32:02,340 INFO L495 AbstractCegarLoop]: Abstraction has 29537 states and 43753 transitions. [2022-07-20 03:32:02,340 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) [2022-07-20 03:32:02,340 INFO L276 IsEmpty]: Start isEmpty. Operand 29537 states and 43753 transitions. [2022-07-20 03:32:02,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2022-07-20 03:32:02,345 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:32:02,345 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] [2022-07-20 03:32:02,406 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-20 03:32:02,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 03:32:02,564 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)] === [2022-07-20 03:32:02,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:32:02,565 INFO L85 PathProgramCache]: Analyzing trace with hash -1403309292, now seen corresponding path program 1 times [2022-07-20 03:32:02,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:32:02,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1826004155] [2022-07-20 03:32:02,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:32:02,567 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:32:02,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:32:02,569 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) [2022-07-20 03:32:02,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-20 03:32:04,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:04,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 1866 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 03:32:04,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:32:05,101 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2022-07-20 03:32:05,101 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:32:05,101 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:32:05,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1826004155] [2022-07-20 03:32:05,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1826004155] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:32:05,102 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:32:05,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 03:32:05,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199066686] [2022-07-20 03:32:05,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:32:05,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 03:32:05,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:32:05,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 03:32:05,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:32:05,103 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) [2022-07-20 03:32:07,216 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 [] [2022-07-20 03:32:09,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:32:09,327 INFO L93 Difference]: Finished difference Result 88193 states and 130691 transitions. [2022-07-20 03:32:09,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 03:32:09,327 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 [2022-07-20 03:32:09,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:32:09,781 INFO L225 Difference]: With dead ends: 88193 [2022-07-20 03:32:09,781 INFO L226 Difference]: Without dead ends: 58691 [2022-07-20 03:32:09,980 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 [2022-07-20 03:32:09,980 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 [2022-07-20 03:32:09,981 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] [2022-07-20 03:32:10,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58691 states. [2022-07-20 03:32:12,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58691 to 58647. [2022-07-20 03:32:12,685 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) [2022-07-20 03:32:13,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58647 states to 58647 states and 86895 transitions. [2022-07-20 03:32:13,494 INFO L78 Accepts]: Start accepts. Automaton has 58647 states and 86895 transitions. Word has length 207 [2022-07-20 03:32:13,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:32:13,495 INFO L495 AbstractCegarLoop]: Abstraction has 58647 states and 86895 transitions. [2022-07-20 03:32:13,495 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) [2022-07-20 03:32:13,495 INFO L276 IsEmpty]: Start isEmpty. Operand 58647 states and 86895 transitions. [2022-07-20 03:32:13,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-07-20 03:32:13,499 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:32:13,499 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] [2022-07-20 03:32:13,557 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-20 03:32:13,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 03:32:13,719 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)] === [2022-07-20 03:32:13,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:32:13,720 INFO L85 PathProgramCache]: Analyzing trace with hash -2110405903, now seen corresponding path program 1 times [2022-07-20 03:32:13,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:32:13,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [326851005] [2022-07-20 03:32:13,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:32:13,722 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:32:13,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:32:13,725 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) [2022-07-20 03:32:13,727 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-20 03:32:15,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:15,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 1864 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 03:32:15,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:32:16,051 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2022-07-20 03:32:16,052 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:32:16,052 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:32:16,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [326851005] [2022-07-20 03:32:16,052 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [326851005] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:32:16,052 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:32:16,053 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 03:32:16,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805046023] [2022-07-20 03:32:16,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:32:16,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 03:32:16,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:32:16,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 03:32:16,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:32:16,054 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) [2022-07-20 03:32:18,170 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 [] [2022-07-20 03:32:21,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:32:21,681 INFO L93 Difference]: Finished difference Result 175175 states and 259665 transitions. [2022-07-20 03:32:21,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 03:32:21,681 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 [2022-07-20 03:32:21,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:32:22,695 INFO L225 Difference]: With dead ends: 175175 [2022-07-20 03:32:22,696 INFO L226 Difference]: Without dead ends: 116563 [2022-07-20 03:32:23,004 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 [2022-07-20 03:32:23,005 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, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-07-20 03:32:23,005 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5554 Valid, 12283 Invalid, 47 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 39 Invalid, 1 Unknown, 0 Unchecked, 2.8s Time] [2022-07-20 03:32:23,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116563 states. [2022-07-20 03:32:27,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116563 to 116507. [2022-07-20 03:32:27,694 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) [2022-07-20 03:32:29,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116507 states to 116507 states and 172675 transitions. [2022-07-20 03:32:29,160 INFO L78 Accepts]: Start accepts. Automaton has 116507 states and 172675 transitions. Word has length 205 [2022-07-20 03:32:29,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:32:29,160 INFO L495 AbstractCegarLoop]: Abstraction has 116507 states and 172675 transitions. [2022-07-20 03:32:29,161 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) [2022-07-20 03:32:29,161 INFO L276 IsEmpty]: Start isEmpty. Operand 116507 states and 172675 transitions. [2022-07-20 03:32:29,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-07-20 03:32:29,165 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:32:29,165 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] [2022-07-20 03:32:29,211 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-20 03:32:29,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 03:32:29,368 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)] === [2022-07-20 03:32:29,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:32:29,368 INFO L85 PathProgramCache]: Analyzing trace with hash -949583327, now seen corresponding path program 1 times [2022-07-20 03:32:29,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:32:29,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1122825765] [2022-07-20 03:32:29,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:32:29,370 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:32:29,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:32:29,371 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) [2022-07-20 03:32:29,372 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-20 03:32:31,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:31,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 1865 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 03:32:31,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:32:31,694 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2022-07-20 03:32:31,694 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:32:31,694 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:32:31,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1122825765] [2022-07-20 03:32:31,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1122825765] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:32:31,695 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:32:31,695 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 03:32:31,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154154892] [2022-07-20 03:32:31,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:32:31,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 03:32:31,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:32:31,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 03:32:31,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:32:31,696 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) [2022-07-20 03:32:33,812 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 [] [2022-07-20 03:32:40,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:32:40,825 INFO L93 Difference]: Finished difference Result 347085 states and 514651 transitions. [2022-07-20 03:32:40,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 03:32:40,826 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 [2022-07-20 03:32:40,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:32:42,423 INFO L225 Difference]: With dead ends: 347085 [2022-07-20 03:32:42,423 INFO L226 Difference]: Without dead ends: 230613 [2022-07-20 03:32:43,263 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:32:43,264 INFO L413 NwaCegarLoop]: 6645 mSDtfsCounter, 5553 mSDsluCounter, 5642 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5553 SdHoareTripleChecker+Valid, 12287 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-07-20 03:32:43,264 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5553 Valid, 12287 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 39 Invalid, 1 Unknown, 0 Unchecked, 2.9s Time] [2022-07-20 03:32:43,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230613 states. [2022-07-20 03:32:50,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230613 to 230533. [2022-07-20 03:32:51,103 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) [2022-07-20 03:32:53,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230533 states to 230533 states and 341777 transitions. [2022-07-20 03:32:53,296 INFO L78 Accepts]: Start accepts. Automaton has 230533 states and 341777 transitions. Word has length 206 [2022-07-20 03:32:53,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:32:53,297 INFO L495 AbstractCegarLoop]: Abstraction has 230533 states and 341777 transitions. [2022-07-20 03:32:53,298 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) [2022-07-20 03:32:53,298 INFO L276 IsEmpty]: Start isEmpty. Operand 230533 states and 341777 transitions. [2022-07-20 03:32:53,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2022-07-20 03:32:53,312 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:32:53,312 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] [2022-07-20 03:32:53,373 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-20 03:32:53,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 03:32:53,532 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)] === [2022-07-20 03:32:53,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:32:53,532 INFO L85 PathProgramCache]: Analyzing trace with hash -1706572458, now seen corresponding path program 1 times [2022-07-20 03:32:53,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:32:53,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1149048367] [2022-07-20 03:32:53,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:32:53,534 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:32:53,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:32:53,535 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) [2022-07-20 03:32:53,536 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-20 03:32:55,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:55,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 1889 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-20 03:32:55,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:33:02,655 INFO L134 CoverageAnalysis]: Checked inductivity of 1173 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1173 trivial. 0 not checked. [2022-07-20 03:33:02,655 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:33:02,655 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:33:02,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1149048367] [2022-07-20 03:33:02,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1149048367] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:33:02,655 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:33:02,655 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 03:33:02,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804625998] [2022-07-20 03:33:02,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:33:02,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 03:33:02,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:33:02,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 03:33:02,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-20 03:33:02,657 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) [2022-07-20 03:33:08,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:33:08,540 INFO L93 Difference]: Finished difference Result 230539 states and 341782 transitions. [2022-07-20 03:33:08,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 03:33:08,541 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 [2022-07-20 03:33:08,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:33:09,872 INFO L225 Difference]: With dead ends: 230539 [2022-07-20 03:33:09,872 INFO L226 Difference]: Without dead ends: 230537 [2022-07-20 03:33:10,005 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-20 03:33:10,006 INFO L413 NwaCegarLoop]: 5678 mSDtfsCounter, 5586 mSDsluCounter, 11343 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.4s IncrementalHoareTripleChecker+Time [2022-07-20 03:33:10,006 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5587 Valid, 17021 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-20 03:33:10,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230537 states.