./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 791161d1 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-?-791161d [2022-07-23 03:44:52,057 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 03:44:52,059 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 03:44:52,096 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 03:44:52,097 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 03:44:52,098 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 03:44:52,100 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 03:44:52,104 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 03:44:52,106 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 03:44:52,110 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 03:44:52,111 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 03:44:52,112 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 03:44:52,112 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 03:44:52,114 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 03:44:52,115 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 03:44:52,117 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 03:44:52,119 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 03:44:52,120 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 03:44:52,122 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 03:44:52,123 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 03:44:52,127 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 03:44:52,128 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 03:44:52,129 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 03:44:52,130 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 03:44:52,131 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 03:44:52,136 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 03:44:52,136 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 03:44:52,137 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 03:44:52,138 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 03:44:52,138 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 03:44:52,139 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 03:44:52,140 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 03:44:52,142 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 03:44:52,142 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 03:44:52,143 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 03:44:52,143 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 03:44:52,144 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 03:44:52,144 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 03:44:52,144 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 03:44:52,145 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 03:44:52,145 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 03:44:52,147 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 03:44:52,148 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 03:44:52,178 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 03:44:52,178 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 03:44:52,178 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 03:44:52,179 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 03:44:52,179 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 03:44:52,179 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 03:44:52,180 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 03:44:52,180 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 03:44:52,180 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 03:44:52,181 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 03:44:52,181 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 03:44:52,181 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 03:44:52,182 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 03:44:52,182 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 03:44:52,182 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 03:44:52,182 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 03:44:52,182 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 03:44:52,182 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 03:44:52,183 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 03:44:52,183 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 03:44:52,183 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 03:44:52,183 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 03:44:52,183 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 03:44:52,183 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 03:44:52,184 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 03:44:52,184 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 03:44:52,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 03:44:52,184 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 03:44:52,184 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 03:44:52,184 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 03:44:52,185 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52f53de973aa03e2a9eaadeeb26ce30c3104ed671c54a416d14fc4c2bdab8bd9 [2022-07-23 03:44:52,418 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 03:44:52,438 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 03:44:52,440 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 03:44:52,441 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 03:44:52,441 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 03:44:52,442 INFO L432 ainManager$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 [2022-07-23 03:44:52,518 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e63d13c4/0533982b72964b2c8d943e998566e5b1/FLAGebf8ccb66 [2022-07-23 03:44:53,253 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 03:44:53,253 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 [2022-07-23 03:44:53,298 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e63d13c4/0533982b72964b2c8d943e998566e5b1/FLAGebf8ccb66 [2022-07-23 03:44:53,803 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e63d13c4/0533982b72964b2c8d943e998566e5b1 [2022-07-23 03:44:53,809 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 03:44:53,810 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 03:44:53,819 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 03:44:53,819 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 03:44:53,822 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 03:44:53,822 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:44:53" (1/1) ... [2022-07-23 03:44:53,836 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39c2f10c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:44:53, skipping insertion in model container [2022-07-23 03:44:53,836 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:44:53" (1/1) ... [2022-07-23 03:44:53,841 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 03:44:54,067 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 03:44:58,287 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] [2022-07-23 03:44:58,290 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] [2022-07-23 03:44:58,294 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] [2022-07-23 03:44:58,295 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] [2022-07-23 03:44:58,332 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:44:58,373 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 03:44:58,765 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] [2022-07-23 03:44:58,766 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] [2022-07-23 03:44:58,767 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] [2022-07-23 03:44:58,767 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] [2022-07-23 03:44:58,805 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:44:58,936 INFO L208 MainTranslator]: Completed translation [2022-07-23 03:44:58,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:44:58 WrapperNode [2022-07-23 03:44:58,937 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 03:44:58,938 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 03:44:58,938 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 03:44:58,938 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 03:44:58,943 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:44:58" (1/1) ... [2022-07-23 03:44:59,020 ERROR L1136 TypeChecker]: C: lp->phy[lp->active].spd.value [10573]: Undeclared identifier #t~mem1644 in IdentifierExpression[#t~mem1644,] [2022-07-23 03:44:59,079 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:44:58" (1/1) ... [2022-07-23 03:44:59,080 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 03:44:59,080 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2022-07-23 03:44:59,082 INFO L158 Benchmark]: Toolchain (without parser) took 5270.72ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 85.7MB in the beginning and 125.3MB in the end (delta: -39.6MB). Peak memory consumption was 78.3MB. Max. memory is 16.1GB. [2022-07-23 03:44:59,082 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 83.9MB. Free memory is still 39.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 03:44:59,083 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5118.54ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 85.7MB in the beginning and 134.8MB in the end (delta: -49.0MB). Peak memory consumption was 128.6MB. Max. memory is 16.1GB. [2022-07-23 03:44:59,083 INFO L158 Benchmark]: Boogie Procedure Inliner took 142.23ms. Allocated memory is still 234.9MB. Free memory was 134.8MB in the beginning and 125.3MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-23 03:44:59,084 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 83.9MB. Free memory is still 39.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5118.54ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 85.7MB in the beginning and 134.8MB in the end (delta: -49.0MB). Peak memory consumption was 128.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 142.23ms. Allocated memory is still 234.9MB. Free memory was 134.8MB in the beginning and 125.3MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. 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-?-791161d [2022-07-23 03:45:01,041 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 03:45:01,044 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 03:45:01,076 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 03:45:01,077 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 03:45:01,078 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 03:45:01,081 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 03:45:01,083 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 03:45:01,084 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 03:45:01,088 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 03:45:01,088 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 03:45:01,090 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 03:45:01,090 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 03:45:01,092 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 03:45:01,093 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 03:45:01,097 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 03:45:01,097 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 03:45:01,098 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 03:45:01,099 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 03:45:01,104 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 03:45:01,105 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 03:45:01,105 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 03:45:01,107 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 03:45:01,107 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 03:45:01,114 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 03:45:01,119 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 03:45:01,119 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 03:45:01,120 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 03:45:01,120 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 03:45:01,121 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 03:45:01,121 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 03:45:01,121 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 03:45:01,123 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 03:45:01,123 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 03:45:01,124 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 03:45:01,125 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 03:45:01,125 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 03:45:01,125 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 03:45:01,126 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 03:45:01,126 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 03:45:01,126 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 03:45:01,127 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 03:45:01,134 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-23 03:45:01,160 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 03:45:01,160 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 03:45:01,160 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 03:45:01,161 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 03:45:01,161 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 03:45:01,161 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 03:45:01,162 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 03:45:01,162 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 03:45:01,162 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 03:45:01,163 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 03:45:01,163 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 03:45:01,163 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 03:45:01,163 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 03:45:01,163 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 03:45:01,163 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-23 03:45:01,164 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-23 03:45:01,164 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-23 03:45:01,164 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 03:45:01,164 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 03:45:01,164 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 03:45:01,164 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 03:45:01,165 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 03:45:01,165 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 03:45:01,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 03:45:01,165 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 03:45:01,165 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 03:45:01,165 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 03:45:01,165 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-23 03:45:01,166 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-23 03:45:01,166 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 03:45:01,166 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 03:45:01,166 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 03:45:01,166 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-23 03:45:01,166 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52f53de973aa03e2a9eaadeeb26ce30c3104ed671c54a416d14fc4c2bdab8bd9 [2022-07-23 03:45:01,443 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 03:45:01,478 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 03:45:01,481 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 03:45:01,481 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 03:45:01,482 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 03:45:01,483 INFO L432 ainManager$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 [2022-07-23 03:45:01,539 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/946d345a4/e9a4a17c9fed43e9a59dfe408fa81d14/FLAG88e66def1 [2022-07-23 03:45:02,267 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 03:45:02,268 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 [2022-07-23 03:45:02,318 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/946d345a4/e9a4a17c9fed43e9a59dfe408fa81d14/FLAG88e66def1 [2022-07-23 03:45:02,562 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/946d345a4/e9a4a17c9fed43e9a59dfe408fa81d14 [2022-07-23 03:45:02,565 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 03:45:02,566 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 03:45:02,570 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 03:45:02,570 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 03:45:02,573 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 03:45:02,574 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:45:02" (1/1) ... [2022-07-23 03:45:02,579 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@679221ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:45:02, skipping insertion in model container [2022-07-23 03:45:02,580 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:45:02" (1/1) ... [2022-07-23 03:45:02,602 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 03:45:02,796 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 03:45:06,529 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] [2022-07-23 03:45:06,532 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] [2022-07-23 03:45:06,533 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480199,480212] [2022-07-23 03:45:06,538 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] [2022-07-23 03:45:06,560 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:45:06,602 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-23 03:45:06,689 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 03:45:07,044 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] [2022-07-23 03:45:07,045 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] [2022-07-23 03:45:07,045 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] [2022-07-23 03:45:07,046 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] [2022-07-23 03:45:07,048 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:45:07,058 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 03:45:07,414 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] [2022-07-23 03:45:07,414 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] [2022-07-23 03:45:07,415 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] [2022-07-23 03:45:07,415 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] [2022-07-23 03:45:07,420 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:45:07,540 INFO L208 MainTranslator]: Completed translation [2022-07-23 03:45:07,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:45:07 WrapperNode [2022-07-23 03:45:07,541 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 03:45:07,543 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 03:45:07,543 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 03:45:07,543 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 03:45:07,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:45:07" (1/1) ... [2022-07-23 03:45:07,681 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:45:07" (1/1) ... [2022-07-23 03:45:07,881 INFO L137 Inliner]: procedures = 558, calls = 4122, calls flagged for inlining = 248, calls inlined = 231, statements flattened = 8349 [2022-07-23 03:45:07,882 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 03:45:07,882 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 03:45:07,883 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 03:45:07,883 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 03:45:07,889 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:45:07" (1/1) ... [2022-07-23 03:45:07,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:45:07" (1/1) ... [2022-07-23 03:45:07,924 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:45:07" (1/1) ... [2022-07-23 03:45:07,925 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:45:07" (1/1) ... [2022-07-23 03:45:08,113 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:45:07" (1/1) ... [2022-07-23 03:45:08,143 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:45:07" (1/1) ... [2022-07-23 03:45:08,179 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:45:07" (1/1) ... [2022-07-23 03:45:08,221 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 03:45:08,222 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 03:45:08,222 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 03:45:08,222 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 03:45:08,222 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:45:07" (1/1) ... [2022-07-23 03:45:08,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 03:45:08,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 03:45:08,277 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) [2022-07-23 03:45:08,296 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 [2022-07-23 03:45:08,309 INFO L130 BoogieDeclarations]: Found specification of procedure disable_ast [2022-07-23 03:45:08,309 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_ast [2022-07-23 03:45:08,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 03:45:08,310 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 03:45:08,310 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-23 03:45:08,310 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-23 03:45:08,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 03:45:08,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 03:45:08,310 INFO L130 BoogieDeclarations]: Found specification of procedure type4_infoblock [2022-07-23 03:45:08,310 INFO L138 BoogieDeclarations]: Found implementation of procedure type4_infoblock [2022-07-23 03:45:08,311 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_put_cache [2022-07-23 03:45:08,311 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_put_cache [2022-07-23 03:45:08,311 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-07-23 03:45:08,311 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-07-23 03:45:08,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_de4x5_private [2022-07-23 03:45:08,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_de4x5_private [2022-07-23 03:45:08,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-23 03:45:08,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-23 03:45:08,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_de4x5_private [2022-07-23 03:45:08,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_de4x5_private [2022-07-23 03:45:08,312 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_mii [2022-07-23 03:45:08,312 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_mii [2022-07-23 03:45:08,312 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_switch_mac_port [2022-07-23 03:45:08,313 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_switch_mac_port [2022-07-23 03:45:08,313 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-23 03:45:08,313 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-23 03:45:08,313 INFO L130 BoogieDeclarations]: Found specification of procedure srom_latch [2022-07-23 03:45:08,313 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_latch [2022-07-23 03:45:08,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_69 [2022-07-23 03:45:08,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_69 [2022-07-23 03:45:08,313 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-23 03:45:08,313 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-23 03:45:08,314 INFO L130 BoogieDeclarations]: Found specification of procedure build_setup_frame [2022-07-23 03:45:08,314 INFO L138 BoogieDeclarations]: Found implementation of procedure build_setup_frame [2022-07-23 03:45:08,314 INFO L130 BoogieDeclarations]: Found specification of procedure type2_infoblock [2022-07-23 03:45:08,314 INFO L138 BoogieDeclarations]: Found implementation of procedure type2_infoblock [2022-07-23 03:45:08,314 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-23 03:45:08,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-23 03:45:08,315 INFO L130 BoogieDeclarations]: Found specification of procedure type0_infoblock [2022-07-23 03:45:08,315 INFO L138 BoogieDeclarations]: Found implementation of procedure type0_infoblock [2022-07-23 03:45:08,315 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-07-23 03:45:08,316 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-07-23 03:45:08,316 INFO L130 BoogieDeclarations]: Found specification of procedure DevicePresent [2022-07-23 03:45:08,316 INFO L138 BoogieDeclarations]: Found implementation of procedure DevicePresent [2022-07-23 03:45:08,316 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-07-23 03:45:08,317 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-07-23 03:45:08,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-23 03:45:08,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-23 03:45:08,317 INFO L130 BoogieDeclarations]: Found specification of procedure dc21143_infoleaf [2022-07-23 03:45:08,317 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21143_infoleaf [2022-07-23 03:45:08,317 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2022-07-23 03:45:08,317 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2022-07-23 03:45:08,318 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-23 03:45:08,318 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-23 03:45:08,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 03:45:08,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 03:45:08,318 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2022-07-23 03:45:08,318 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_sw_reset [2022-07-23 03:45:08,318 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_sw_reset [2022-07-23 03:45:08,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 03:45:08,319 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2022-07-23 03:45:08,319 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2022-07-23 03:45:08,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-23 03:45:08,319 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-07-23 03:45:08,319 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-07-23 03:45:08,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-23 03:45:08,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-23 03:45:08,320 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-07-23 03:45:08,320 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-07-23 03:45:08,320 INFO L130 BoogieDeclarations]: Found specification of procedure is_spd_100 [2022-07-23 03:45:08,320 INFO L138 BoogieDeclarations]: Found implementation of procedure is_spd_100 [2022-07-23 03:45:08,320 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-23 03:45:08,320 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-23 03:45:08,321 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~C_INT [2022-07-23 03:45:08,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~C_INT [2022-07-23 03:45:08,321 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-23 03:45:08,321 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-23 03:45:08,321 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_mii [2022-07-23 03:45:08,321 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_mii [2022-07-23 03:45:08,322 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_rx_buffs [2022-07-23 03:45:08,322 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_rx_buffs [2022-07-23 03:45:08,322 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-23 03:45:08,322 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-23 03:45:08,322 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-23 03:45:08,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-23 03:45:08,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-23 03:45:08,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-23 03:45:08,323 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~C_INT [2022-07-23 03:45:08,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~C_INT [2022-07-23 03:45:08,323 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-23 03:45:08,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-23 03:45:08,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 03:45:08,323 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 03:45:08,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-23 03:45:08,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-23 03:45:08,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-23 03:45:08,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-23 03:45:08,324 INFO L130 BoogieDeclarations]: Found specification of procedure ping_media [2022-07-23 03:45:08,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ping_media [2022-07-23 03:45:08,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-23 03:45:08,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-23 03:45:08,325 INFO L130 BoogieDeclarations]: Found specification of procedure srom_autoconf [2022-07-23 03:45:08,325 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_autoconf [2022-07-23 03:45:08,327 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-23 03:45:08,327 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-23 03:45:08,327 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-07-23 03:45:08,327 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-07-23 03:45:08,328 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_tx [2022-07-23 03:45:08,328 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_tx [2022-07-23 03:45:08,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-23 03:45:08,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-23 03:45:08,329 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-07-23 03:45:08,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-07-23 03:45:08,333 INFO L130 BoogieDeclarations]: Found specification of procedure srom_rd [2022-07-23 03:45:08,333 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_rd [2022-07-23 03:45:08,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 03:45:08,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-23 03:45:08,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-23 03:45:08,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-23 03:45:08,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-23 03:45:08,334 INFO L130 BoogieDeclarations]: Found specification of procedure SetMulticastFilter [2022-07-23 03:45:08,334 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMulticastFilter [2022-07-23 03:45:08,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 03:45:08,334 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ioctl [2022-07-23 03:45:08,334 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ioctl [2022-07-23 03:45:08,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-23 03:45:08,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-23 03:45:08,334 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-23 03:45:08,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-23 03:45:08,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 03:45:08,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-23 03:45:08,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-23 03:45:08,335 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 03:45:08,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 03:45:08,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-23 03:45:08,335 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_srom [2022-07-23 03:45:08,335 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_srom [2022-07-23 03:45:08,335 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-07-23 03:45:08,335 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-07-23 03:45:08,336 INFO L130 BoogieDeclarations]: Found specification of procedure mii_swap [2022-07-23 03:45:08,336 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_swap [2022-07-23 03:45:08,336 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_reset_phy [2022-07-23 03:45:08,336 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_reset_phy [2022-07-23 03:45:08,336 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_putb_cache [2022-07-23 03:45:08,336 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_putb_cache [2022-07-23 03:45:08,336 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-23 03:45:08,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-23 03:45:08,336 INFO L130 BoogieDeclarations]: Found specification of procedure dc21142_infoleaf [2022-07-23 03:45:08,336 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21142_infoleaf [2022-07-23 03:45:08,337 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-23 03:45:08,337 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-23 03:45:08,337 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_stats [2022-07-23 03:45:08,337 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_stats [2022-07-23 03:45:08,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-23 03:45:08,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-23 03:45:08,337 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-07-23 03:45:08,337 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-07-23 03:45:08,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-23 03:45:08,337 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init_connection [2022-07-23 03:45:08,337 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init_connection [2022-07-23 03:45:08,338 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wr [2022-07-23 03:45:08,338 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wr [2022-07-23 03:45:08,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 03:45:08,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 03:45:08,338 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_state [2022-07-23 03:45:08,338 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_state [2022-07-23 03:45:08,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-23 03:45:08,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-07-23 03:45:08,338 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-07-23 03:45:08,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-23 03:45:08,339 INFO L130 BoogieDeclarations]: Found specification of procedure type3_infoblock [2022-07-23 03:45:08,339 INFO L138 BoogieDeclarations]: Found implementation of procedure type3_infoblock [2022-07-23 03:45:08,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-23 03:45:08,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 03:45:08,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-23 03:45:08,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 03:45:08,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 03:45:08,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 03:45:08,340 INFO L130 BoogieDeclarations]: Found specification of procedure reset_init_sia [2022-07-23 03:45:08,341 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_init_sia [2022-07-23 03:45:08,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-23 03:45:08,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-23 03:45:08,341 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-23 03:45:08,341 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-23 03:45:08,341 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_alloc_rx_buff [2022-07-23 03:45:08,341 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_alloc_rx_buff [2022-07-23 03:45:08,341 INFO L130 BoogieDeclarations]: Found specification of procedure test_for_100Mb [2022-07-23 03:45:08,341 INFO L138 BoogieDeclarations]: Found implementation of procedure test_for_100Mb [2022-07-23 03:45:08,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-23 03:45:08,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-23 03:45:08,342 INFO L130 BoogieDeclarations]: Found specification of procedure type5_infoblock [2022-07-23 03:45:08,342 INFO L138 BoogieDeclarations]: Found implementation of procedure type5_infoblock [2022-07-23 03:45:08,342 INFO L130 BoogieDeclarations]: Found specification of procedure load_packet [2022-07-23 03:45:08,342 INFO L138 BoogieDeclarations]: Found implementation of procedure load_packet [2022-07-23 03:45:08,342 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140m_autoconf [2022-07-23 03:45:08,342 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140m_autoconf [2022-07-23 03:45:08,342 INFO L130 BoogieDeclarations]: Found specification of procedure is_100_up [2022-07-23 03:45:08,342 INFO L138 BoogieDeclarations]: Found implementation of procedure is_100_up [2022-07-23 03:45:08,342 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_open [2022-07-23 03:45:08,343 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_open [2022-07-23 03:45:08,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 03:45:08,343 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 03:45:08,343 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ta [2022-07-23 03:45:08,343 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ta [2022-07-23 03:45:08,343 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-23 03:45:08,343 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-23 03:45:08,343 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_autoconf [2022-07-23 03:45:08,343 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_autoconf [2022-07-23 03:45:08,343 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-07-23 03:45:08,343 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-07-23 03:45:08,344 INFO L130 BoogieDeclarations]: Found specification of procedure test_mii_reg [2022-07-23 03:45:08,344 INFO L138 BoogieDeclarations]: Found implementation of procedure test_mii_reg [2022-07-23 03:45:08,344 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_cache_state [2022-07-23 03:45:08,344 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_cache_state [2022-07-23 03:45:08,344 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-07-23 03:45:08,344 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-07-23 03:45:08,344 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_pci_remove [2022-07-23 03:45:08,344 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_pci_remove [2022-07-23 03:45:08,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 03:45:08,344 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_media [2022-07-23 03:45:08,345 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_media [2022-07-23 03:45:08,345 INFO L130 BoogieDeclarations]: Found specification of procedure autoconf_media [2022-07-23 03:45:08,345 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconf_media [2022-07-23 03:45:08,345 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_autoconf [2022-07-23 03:45:08,345 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_autoconf [2022-07-23 03:45:08,345 INFO L130 BoogieDeclarations]: Found specification of procedure mii_rd [2022-07-23 03:45:08,345 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_rd [2022-07-23 03:45:08,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 03:45:08,345 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ast [2022-07-23 03:45:08,346 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ast [2022-07-23 03:45:08,349 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2022-07-23 03:45:08,349 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2022-07-23 03:45:08,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-23 03:45:08,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-23 03:45:08,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-23 03:45:08,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-23 03:45:08,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 03:45:08,350 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-23 03:45:08,350 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-23 03:45:08,351 INFO L130 BoogieDeclarations]: Found specification of procedure is_10_up [2022-07-23 03:45:08,351 INFO L138 BoogieDeclarations]: Found implementation of procedure is_10_up [2022-07-23 03:45:08,351 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-07-23 03:45:08,351 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-07-23 03:45:08,351 INFO L130 BoogieDeclarations]: Found specification of procedure is_anc_capable [2022-07-23 03:45:08,351 INFO L138 BoogieDeclarations]: Found implementation of procedure is_anc_capable [2022-07-23 03:45:08,351 INFO L130 BoogieDeclarations]: Found specification of procedure type1_infoblock [2022-07-23 03:45:08,352 INFO L138 BoogieDeclarations]: Found implementation of procedure type1_infoblock [2022-07-23 03:45:08,352 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-23 03:45:08,352 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-23 03:45:08,352 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-07-23 03:45:08,352 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-07-23 03:45:08,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-07-23 03:45:08,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-07-23 03:45:08,352 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140_infoleaf [2022-07-23 03:45:08,352 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140_infoleaf [2022-07-23 03:45:08,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-23 03:45:08,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-23 03:45:08,353 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-07-23 03:45:08,353 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-07-23 03:45:08,353 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_queue_pkt [2022-07-23 03:45:08,353 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_queue_pkt [2022-07-23 03:45:08,353 INFO L130 BoogieDeclarations]: Found specification of procedure test_media [2022-07-23 03:45:08,353 INFO L138 BoogieDeclarations]: Found implementation of procedure test_media [2022-07-23 03:45:08,353 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buffs [2022-07-23 03:45:08,353 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buffs [2022-07-23 03:45:08,353 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2022-07-23 03:45:08,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2022-07-23 03:45:08,353 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-23 03:45:08,354 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-23 03:45:08,354 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-23 03:45:08,354 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-23 03:45:08,354 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-23 03:45:08,354 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-23 03:45:08,354 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init [2022-07-23 03:45:08,354 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init [2022-07-23 03:45:08,354 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-23 03:45:08,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-23 03:45:08,354 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-07-23 03:45:08,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-07-23 03:45:08,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_73 [2022-07-23 03:45:08,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_73 [2022-07-23 03:45:08,355 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_infoleaf [2022-07-23 03:45:08,355 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_infoleaf [2022-07-23 03:45:08,355 INFO L130 BoogieDeclarations]: Found specification of procedure srom_exec [2022-07-23 03:45:08,355 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_exec [2022-07-23 03:45:08,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-23 03:45:08,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-23 03:45:08,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-23 03:45:08,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-23 03:45:08,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 03:45:08,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 03:45:08,356 INFO L130 BoogieDeclarations]: Found specification of procedure gep_wr [2022-07-23 03:45:08,356 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_wr [2022-07-23 03:45:08,356 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-23 03:45:08,356 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-23 03:45:08,356 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_srom [2022-07-23 03:45:08,356 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_srom [2022-07-23 03:45:08,356 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-23 03:45:08,356 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-23 03:45:08,356 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_cache [2022-07-23 03:45:08,357 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_cache [2022-07-23 03:45:08,357 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_suspect_state [2022-07-23 03:45:08,357 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_suspect_state [2022-07-23 03:45:08,357 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_mii [2022-07-23 03:45:08,357 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_mii [2022-07-23 03:45:08,357 INFO L130 BoogieDeclarations]: Found specification of procedure compact_infoblock [2022-07-23 03:45:08,357 INFO L138 BoogieDeclarations]: Found implementation of procedure compact_infoblock [2022-07-23 03:45:08,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-23 03:45:08,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-23 03:45:08,357 INFO L130 BoogieDeclarations]: Found specification of procedure gep_rd [2022-07-23 03:45:08,357 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_rd [2022-07-23 03:45:08,358 INFO L130 BoogieDeclarations]: Found specification of procedure mii_address [2022-07-23 03:45:08,358 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_address [2022-07-23 03:45:08,358 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buff [2022-07-23 03:45:08,358 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buff [2022-07-23 03:45:08,358 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_setup_intr [2022-07-23 03:45:08,358 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_setup_intr [2022-07-23 03:45:08,358 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_save_skbs [2022-07-23 03:45:08,358 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_save_skbs [2022-07-23 03:45:08,358 INFO L130 BoogieDeclarations]: Found specification of procedure dc2114x_autoconf [2022-07-23 03:45:08,358 INFO L138 BoogieDeclarations]: Found implementation of procedure dc2114x_autoconf [2022-07-23 03:45:08,359 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-07-23 03:45:08,359 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-07-23 03:45:08,359 INFO L130 BoogieDeclarations]: Found specification of procedure srom_map_media [2022-07-23 03:45:08,359 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_map_media [2022-07-23 03:45:08,359 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_strncmp [2022-07-23 03:45:08,359 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_strncmp [2022-07-23 03:45:08,359 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-07-23 03:45:08,359 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-07-23 03:45:08,359 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_close [2022-07-23 03:45:08,359 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_close [2022-07-23 03:45:08,359 INFO L130 BoogieDeclarations]: Found specification of procedure yawn [2022-07-23 03:45:08,360 INFO L138 BoogieDeclarations]: Found implementation of procedure yawn [2022-07-23 03:45:08,360 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wdata [2022-07-23 03:45:08,360 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wdata [2022-07-23 03:45:08,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-23 03:45:08,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-23 03:45:08,360 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-23 03:45:09,396 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 03:45:09,399 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 03:45:13,068 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 03:46:24,674 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-23 03:46:25,449 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 03:46:25,468 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 03:46:25,469 INFO L299 CfgBuilder]: Removed 17 assume(true) statements. [2022-07-23 03:46:25,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:46:25 BoogieIcfgContainer [2022-07-23 03:46:25,474 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 03:46:25,475 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 03:46:25,475 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 03:46:25,478 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 03:46:25,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 03:45:02" (1/3) ... [2022-07-23 03:46:25,479 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44485a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:46:25, skipping insertion in model container [2022-07-23 03:46:25,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:45:07" (2/3) ... [2022-07-23 03:46:25,479 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44485a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:46:25, skipping insertion in model container [2022-07-23 03:46:25,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:46:25" (3/3) ... [2022-07-23 03:46:25,480 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2022-07-23 03:46:25,492 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 03:46:25,492 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-23 03:46:25,584 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 03:46:25,590 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@1ceb7a62, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@61785aac [2022-07-23 03:46:25,590 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-23 03:46:25,602 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) [2022-07-23 03:46:25,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-07-23 03:46:25,617 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:46:25,618 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] [2022-07-23 03:46:25,619 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)] === [2022-07-23 03:46:25,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:46:25,623 INFO L85 PathProgramCache]: Analyzing trace with hash -2145689996, now seen corresponding path program 1 times [2022-07-23 03:46:25,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:46:25,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [815089709] [2022-07-23 03:46:25,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:46:25,637 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:46:25,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:46:25,643 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) [2022-07-23 03:46:25,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-23 03:46:27,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:27,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 1767 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 03:46:27,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:46:27,569 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2022-07-23 03:46:27,569 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:46:27,570 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:46:27,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [815089709] [2022-07-23 03:46:27,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [815089709] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:46:27,570 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:46:27,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 03:46:27,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012950322] [2022-07-23 03:46:27,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:46:27,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 03:46:27,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:46:27,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 03:46:27,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:46:27,602 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) [2022-07-23 03:46:29,736 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 [] [2022-07-23 03:46:30,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:46:30,509 INFO L93 Difference]: Finished difference Result 11636 states and 17470 transitions. [2022-07-23 03:46:30,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 03:46:30,512 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 [2022-07-23 03:46:30,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:46:30,598 INFO L225 Difference]: With dead ends: 11636 [2022-07-23 03:46:30,598 INFO L226 Difference]: Without dead ends: 7698 [2022-07-23 03:46:30,648 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 [2022-07-23 03:46:30,655 INFO L413 NwaCegarLoop]: 6649 mSDtfsCounter, 5581 mSDsluCounter, 5659 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5581 SdHoareTripleChecker+Valid, 12308 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-07-23 03:46:30,656 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5581 Valid, 12308 Invalid, 14 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-07-23 03:46:30,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7698 states. [2022-07-23 03:46:31,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7698 to 7694. [2022-07-23 03:46:31,029 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) [2022-07-23 03:46:31,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7694 states to 7694 states and 11224 transitions. [2022-07-23 03:46:31,098 INFO L78 Accepts]: Start accepts. Automaton has 7694 states and 11224 transitions. Word has length 189 [2022-07-23 03:46:31,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:46:31,102 INFO L495 AbstractCegarLoop]: Abstraction has 7694 states and 11224 transitions. [2022-07-23 03:46:31,102 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) [2022-07-23 03:46:31,102 INFO L276 IsEmpty]: Start isEmpty. Operand 7694 states and 11224 transitions. [2022-07-23 03:46:31,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-07-23 03:46:31,111 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:46:31,111 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] [2022-07-23 03:46:31,167 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-23 03:46:31,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:46:31,340 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)] === [2022-07-23 03:46:31,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:46:31,340 INFO L85 PathProgramCache]: Analyzing trace with hash -1734393835, now seen corresponding path program 1 times [2022-07-23 03:46:31,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:46:31,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [103805867] [2022-07-23 03:46:31,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:46:31,342 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:46:31,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:46:31,345 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) [2022-07-23 03:46:31,346 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-23 03:46:33,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:33,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 1805 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 03:46:33,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:46:33,491 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2022-07-23 03:46:33,491 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:46:33,491 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:46:33,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [103805867] [2022-07-23 03:46:33,491 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [103805867] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:46:33,491 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:46:33,491 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 03:46:33,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890266527] [2022-07-23 03:46:33,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:46:33,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 03:46:33,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:46:33,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 03:46:33,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:46:33,493 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) [2022-07-23 03:46:35,614 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 [] [2022-07-23 03:46:36,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:46:36,448 INFO L93 Difference]: Finished difference Result 22590 states and 33282 transitions. [2022-07-23 03:46:36,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 03:46:36,448 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 [2022-07-23 03:46:36,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:46:36,559 INFO L225 Difference]: With dead ends: 22590 [2022-07-23 03:46:36,559 INFO L226 Difference]: Without dead ends: 14931 [2022-07-23 03:46:36,614 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 [2022-07-23 03:46:36,615 INFO L413 NwaCegarLoop]: 6711 mSDtfsCounter, 5442 mSDsluCounter, 5693 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5442 SdHoareTripleChecker+Valid, 12404 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-07-23 03:46:36,617 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5442 Valid, 12404 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 14 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-07-23 03:46:36,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14931 states. [2022-07-23 03:46:37,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14931 to 14895. [2022-07-23 03:46:37,378 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) [2022-07-23 03:46:37,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14895 states to 14895 states and 22055 transitions. [2022-07-23 03:46:37,574 INFO L78 Accepts]: Start accepts. Automaton has 14895 states and 22055 transitions. Word has length 195 [2022-07-23 03:46:37,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:46:37,575 INFO L495 AbstractCegarLoop]: Abstraction has 14895 states and 22055 transitions. [2022-07-23 03:46:37,576 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) [2022-07-23 03:46:37,576 INFO L276 IsEmpty]: Start isEmpty. Operand 14895 states and 22055 transitions. [2022-07-23 03:46:37,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-07-23 03:46:37,580 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:46:37,581 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] [2022-07-23 03:46:37,658 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-23 03:46:37,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:46:37,799 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)] === [2022-07-23 03:46:37,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:46:37,800 INFO L85 PathProgramCache]: Analyzing trace with hash -368432476, now seen corresponding path program 1 times [2022-07-23 03:46:37,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:46:37,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1016206638] [2022-07-23 03:46:37,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:46:37,802 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:46:37,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:46:37,816 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) [2022-07-23 03:46:37,831 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-23 03:46:39,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:39,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 1867 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 03:46:39,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:46:40,142 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2022-07-23 03:46:40,143 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:46:40,143 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:46:40,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1016206638] [2022-07-23 03:46:40,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1016206638] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:46:40,143 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:46:40,143 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 03:46:40,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548076647] [2022-07-23 03:46:40,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:46:40,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 03:46:40,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:46:40,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 03:46:40,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:46:40,147 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) [2022-07-23 03:46:42,277 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:46:43,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:46:43,523 INFO L93 Difference]: Finished difference Result 44441 states and 65831 transitions. [2022-07-23 03:46:43,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 03:46:43,524 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 [2022-07-23 03:46:43,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:46:43,746 INFO L225 Difference]: With dead ends: 44441 [2022-07-23 03:46:43,746 INFO L226 Difference]: Without dead ends: 29581 [2022-07-23 03:46:43,848 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 [2022-07-23 03:46:43,849 INFO L413 NwaCegarLoop]: 6640 mSDtfsCounter, 5551 mSDsluCounter, 5642 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5551 SdHoareTripleChecker+Valid, 12282 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-07-23 03:46:43,849 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5551 Valid, 12282 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 39 Invalid, 1 Unknown, 0 Unchecked, 2.8s Time] [2022-07-23 03:46:43,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29581 states. [2022-07-23 03:46:44,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29581 to 29537. [2022-07-23 03:46:44,991 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) [2022-07-23 03:46:45,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29537 states to 29537 states and 43753 transitions. [2022-07-23 03:46:45,162 INFO L78 Accepts]: Start accepts. Automaton has 29537 states and 43753 transitions. Word has length 208 [2022-07-23 03:46:45,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:46:45,164 INFO L495 AbstractCegarLoop]: Abstraction has 29537 states and 43753 transitions. [2022-07-23 03:46:45,164 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) [2022-07-23 03:46:45,164 INFO L276 IsEmpty]: Start isEmpty. Operand 29537 states and 43753 transitions. [2022-07-23 03:46:45,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2022-07-23 03:46:45,168 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:46:45,168 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] [2022-07-23 03:46:45,217 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-23 03:46:45,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:46:45,395 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)] === [2022-07-23 03:46:45,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:46:45,396 INFO L85 PathProgramCache]: Analyzing trace with hash -1403309292, now seen corresponding path program 1 times [2022-07-23 03:46:45,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:46:45,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [715004222] [2022-07-23 03:46:45,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:46:45,398 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:46:45,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:46:45,399 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) [2022-07-23 03:46:45,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-23 03:46:47,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:47,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 1866 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 03:46:47,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:46:48,005 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2022-07-23 03:46:48,005 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:46:48,006 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:46:48,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [715004222] [2022-07-23 03:46:48,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [715004222] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:46:48,006 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:46:48,006 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 03:46:48,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255040624] [2022-07-23 03:46:48,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:46:48,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 03:46:48,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:46:48,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 03:46:48,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:46:48,007 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) [2022-07-23 03:46:50,126 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 [] [2022-07-23 03:46:52,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:46:52,030 INFO L93 Difference]: Finished difference Result 88193 states and 130691 transitions. [2022-07-23 03:46:52,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 03:46:52,030 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 [2022-07-23 03:46:52,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:46:52,441 INFO L225 Difference]: With dead ends: 88193 [2022-07-23 03:46:52,442 INFO L226 Difference]: Without dead ends: 58691 [2022-07-23 03:46:52,668 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 [2022-07-23 03:46:52,670 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, 2.9s IncrementalHoareTripleChecker+Time [2022-07-23 03:46:52,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5552 Valid, 12282 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 39 Invalid, 1 Unknown, 0 Unchecked, 2.9s Time] [2022-07-23 03:46:52,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58691 states. [2022-07-23 03:46:55,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58691 to 58647. [2022-07-23 03:46:55,579 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) [2022-07-23 03:46:56,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58647 states to 58647 states and 86895 transitions. [2022-07-23 03:46:56,252 INFO L78 Accepts]: Start accepts. Automaton has 58647 states and 86895 transitions. Word has length 207 [2022-07-23 03:46:56,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:46:56,253 INFO L495 AbstractCegarLoop]: Abstraction has 58647 states and 86895 transitions. [2022-07-23 03:46:56,253 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) [2022-07-23 03:46:56,253 INFO L276 IsEmpty]: Start isEmpty. Operand 58647 states and 86895 transitions. [2022-07-23 03:46:56,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-07-23 03:46:56,257 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:46:56,257 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] [2022-07-23 03:46:56,309 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-23 03:46:56,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:46:56,483 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)] === [2022-07-23 03:46:56,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:46:56,484 INFO L85 PathProgramCache]: Analyzing trace with hash -2110405903, now seen corresponding path program 1 times [2022-07-23 03:46:56,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:46:56,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1473510525] [2022-07-23 03:46:56,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:46:56,486 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:46:56,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:46:56,488 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) [2022-07-23 03:46:56,489 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-23 03:46:58,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:58,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 1864 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 03:46:58,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:46:59,030 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2022-07-23 03:46:59,030 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:46:59,031 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:46:59,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1473510525] [2022-07-23 03:46:59,031 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1473510525] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:46:59,031 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:46:59,031 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 03:46:59,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440351040] [2022-07-23 03:46:59,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:46:59,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 03:46:59,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:46:59,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 03:46:59,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:46:59,032 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) [2022-07-23 03:47:01,220 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:47:05,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:47:05,154 INFO L93 Difference]: Finished difference Result 175175 states and 259665 transitions. [2022-07-23 03:47:05,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 03:47:05,155 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 [2022-07-23 03:47:05,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:47:06,187 INFO L225 Difference]: With dead ends: 175175 [2022-07-23 03:47:06,188 INFO L226 Difference]: Without dead ends: 116563 [2022-07-23 03:47:06,534 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 [2022-07-23 03:47:06,535 INFO L413 NwaCegarLoop]: 6641 mSDtfsCounter, 5554 mSDsluCounter, 5642 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5554 SdHoareTripleChecker+Valid, 12283 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-07-23 03:47:06,535 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5554 Valid, 12283 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 39 Invalid, 1 Unknown, 0 Unchecked, 2.9s Time] [2022-07-23 03:47:06,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116563 states. [2022-07-23 03:47:10,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116563 to 116507. [2022-07-23 03:47:10,782 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) [2022-07-23 03:47:12,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116507 states to 116507 states and 172675 transitions. [2022-07-23 03:47:12,183 INFO L78 Accepts]: Start accepts. Automaton has 116507 states and 172675 transitions. Word has length 205 [2022-07-23 03:47:12,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:47:12,184 INFO L495 AbstractCegarLoop]: Abstraction has 116507 states and 172675 transitions. [2022-07-23 03:47:12,185 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) [2022-07-23 03:47:12,185 INFO L276 IsEmpty]: Start isEmpty. Operand 116507 states and 172675 transitions. [2022-07-23 03:47:12,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-07-23 03:47:12,191 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:47:12,192 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] [2022-07-23 03:47:12,245 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2022-07-23 03:47:12,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:47:12,408 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)] === [2022-07-23 03:47:12,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:47:12,408 INFO L85 PathProgramCache]: Analyzing trace with hash -949583327, now seen corresponding path program 1 times [2022-07-23 03:47:12,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:47:12,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1194181565] [2022-07-23 03:47:12,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:47:12,411 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:47:12,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:47:12,412 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) [2022-07-23 03:47:12,414 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-23 03:47:14,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:14,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 1865 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 03:47:14,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:47:15,290 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2022-07-23 03:47:15,290 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:47:15,290 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:47:15,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1194181565] [2022-07-23 03:47:15,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1194181565] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:47:15,290 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:47:15,290 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 03:47:15,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457777172] [2022-07-23 03:47:15,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:47:15,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 03:47:15,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:47:15,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 03:47:15,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:47:15,291 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) [2022-07-23 03:47:17,446 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:47:25,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:47:25,003 INFO L93 Difference]: Finished difference Result 347085 states and 514651 transitions. [2022-07-23 03:47:25,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 03:47:25,004 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 [2022-07-23 03:47:25,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:47:27,113 INFO L225 Difference]: With dead ends: 347085 [2022-07-23 03:47:27,114 INFO L226 Difference]: Without dead ends: 230613 [2022-07-23 03:47:27,846 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:47:27,847 INFO L413 NwaCegarLoop]: 6645 mSDtfsCounter, 5553 mSDsluCounter, 5642 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s 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 [2022-07-23 03:47:27,847 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] [2022-07-23 03:47:28,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230613 states. [2022-07-23 03:47:35,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230613 to 230533. [2022-07-23 03:47:36,375 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) [2022-07-23 03:47:38,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230533 states to 230533 states and 341777 transitions. [2022-07-23 03:47:38,780 INFO L78 Accepts]: Start accepts. Automaton has 230533 states and 341777 transitions. Word has length 206 [2022-07-23 03:47:38,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:47:38,782 INFO L495 AbstractCegarLoop]: Abstraction has 230533 states and 341777 transitions. [2022-07-23 03:47:38,783 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) [2022-07-23 03:47:38,783 INFO L276 IsEmpty]: Start isEmpty. Operand 230533 states and 341777 transitions. [2022-07-23 03:47:38,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2022-07-23 03:47:38,795 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:47:38,796 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] [2022-07-23 03:47:38,864 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-23 03:47:39,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:47:39,023 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)] === [2022-07-23 03:47:39,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:47:39,024 INFO L85 PathProgramCache]: Analyzing trace with hash -1706572458, now seen corresponding path program 1 times [2022-07-23 03:47:39,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:47:39,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [550499714] [2022-07-23 03:47:39,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:47:39,026 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:47:39,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:47:39,027 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) [2022-07-23 03:47:39,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-23 03:47:40,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:41,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 1889 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 03:47:41,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:47:49,198 INFO L134 CoverageAnalysis]: Checked inductivity of 1173 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1173 trivial. 0 not checked. [2022-07-23 03:47:49,198 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:47:49,198 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:47:49,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [550499714] [2022-07-23 03:47:49,198 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [550499714] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:47:49,198 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:47:49,198 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 03:47:49,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869364868] [2022-07-23 03:47:49,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:47:49,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 03:47:49,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:47:49,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 03:47:49,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:47:49,200 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) [2022-07-23 03:47:55,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:47:55,141 INFO L93 Difference]: Finished difference Result 230539 states and 341782 transitions. [2022-07-23 03:47:55,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 03:47:55,141 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 [2022-07-23 03:47:55,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted.