./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 35987657 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-?-3598765 [2022-07-21 15:01:12,922 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 15:01:12,925 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 15:01:12,957 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 15:01:12,958 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 15:01:12,959 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 15:01:12,962 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 15:01:12,964 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 15:01:12,966 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 15:01:12,969 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 15:01:12,970 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 15:01:12,972 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 15:01:12,972 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 15:01:12,974 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 15:01:12,974 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 15:01:12,977 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 15:01:12,977 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 15:01:12,978 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 15:01:12,981 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 15:01:12,986 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 15:01:12,987 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 15:01:12,988 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 15:01:12,989 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 15:01:12,990 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 15:01:12,991 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 15:01:12,996 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 15:01:12,997 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 15:01:12,997 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 15:01:12,998 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 15:01:12,998 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 15:01:12,998 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 15:01:12,999 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 15:01:13,000 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 15:01:13,000 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 15:01:13,002 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 15:01:13,002 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 15:01:13,002 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 15:01:13,003 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 15:01:13,003 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 15:01:13,003 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 15:01:13,004 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 15:01:13,005 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 15:01:13,011 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 15:01:13,032 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 15:01:13,032 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 15:01:13,033 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 15:01:13,033 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 15:01:13,034 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 15:01:13,034 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 15:01:13,034 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 15:01:13,034 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 15:01:13,035 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 15:01:13,035 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 15:01:13,036 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 15:01:13,036 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 15:01:13,036 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 15:01:13,036 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 15:01:13,043 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 15:01:13,044 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 15:01:13,044 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 15:01:13,044 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 15:01:13,044 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 15:01:13,044 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 15:01:13,045 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 15:01:13,045 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 15:01:13,045 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 15:01:13,045 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 15:01:13,045 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 15:01:13,045 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 15:01:13,045 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 15:01:13,046 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 15:01:13,046 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 15:01:13,046 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 15:01:13,046 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52f53de973aa03e2a9eaadeeb26ce30c3104ed671c54a416d14fc4c2bdab8bd9 [2022-07-21 15:01:13,277 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 15:01:13,296 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 15:01:13,298 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 15:01:13,299 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 15:01:13,300 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 15:01:13,301 INFO L432 ainManager$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 [2022-07-21 15:01:13,355 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c789b0b28/0f2ef805a84b458abfeea9f611d03018/FLAGe7a12c631 [2022-07-21 15:01:14,024 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 15:01:14,024 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 [2022-07-21 15:01:14,070 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c789b0b28/0f2ef805a84b458abfeea9f611d03018/FLAGe7a12c631 [2022-07-21 15:01:14,384 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c789b0b28/0f2ef805a84b458abfeea9f611d03018 [2022-07-21 15:01:14,385 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 15:01:14,386 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 15:01:14,389 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 15:01:14,389 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 15:01:14,391 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 15:01:14,392 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:01:14" (1/1) ... [2022-07-21 15:01:14,393 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49b7c8f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:01:14, skipping insertion in model container [2022-07-21 15:01:14,393 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:01:14" (1/1) ... [2022-07-21 15:01:14,398 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 15:01:14,533 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 15:01:17,568 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] [2022-07-21 15:01:17,570 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] [2022-07-21 15:01:17,571 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] [2022-07-21 15:01:17,571 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] [2022-07-21 15:01:17,596 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 15:01:17,631 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 15:01:18,095 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[479863,479876] [2022-07-21 15:01:18,096 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] [2022-07-21 15:01:18,096 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] [2022-07-21 15:01:18,097 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] [2022-07-21 15:01:18,102 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 15:01:18,366 INFO L208 MainTranslator]: Completed translation [2022-07-21 15:01:18,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:01:18 WrapperNode [2022-07-21 15:01:18,367 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 15:01:18,368 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 15:01:18,368 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 15:01:18,368 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 15:01:18,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:01:18" (1/1) ... [2022-07-21 15:01:18,472 ERROR L1136 TypeChecker]: C: lp->phy[lp->active].spd.value [10573]: Undeclared identifier #t~mem1644 in IdentifierExpression[#t~mem1644,] [2022-07-21 15:01:18,523 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:01:18" (1/1) ... [2022-07-21 15:01:18,537 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 15:01:18,545 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2022-07-21 15:01:18,547 INFO L158 Benchmark]: Toolchain (without parser) took 4159.45ms. Allocated memory was 73.4MB in the beginning and 220.2MB in the end (delta: 146.8MB). Free memory was 36.9MB in the beginning and 103.6MB in the end (delta: -66.7MB). Peak memory consumption was 79.4MB. Max. memory is 16.1GB. [2022-07-21 15:01:18,547 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 73.4MB. Free memory is still 55.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 15:01:18,547 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3978.70ms. Allocated memory was 73.4MB in the beginning and 220.2MB in the end (delta: 146.8MB). Free memory was 36.9MB in the beginning and 112.1MB in the end (delta: -75.2MB). Peak memory consumption was 100.3MB. Max. memory is 16.1GB. [2022-07-21 15:01:18,548 INFO L158 Benchmark]: Boogie Procedure Inliner took 176.88ms. Allocated memory is still 220.2MB. Free memory was 112.1MB in the beginning and 103.6MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-21 15:01:18,549 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 73.4MB. Free memory is still 55.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3978.70ms. Allocated memory was 73.4MB in the beginning and 220.2MB in the end (delta: 146.8MB). Free memory was 36.9MB in the beginning and 112.1MB in the end (delta: -75.2MB). Peak memory consumption was 100.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 176.88ms. Allocated memory is still 220.2MB. Free memory was 112.1MB in the beginning and 103.6MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - TypeErrorResult [Line: 10573]: Type Error Undeclared identifier #t~mem1644 in IdentifierExpression[#t~mem1644,] RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 52f53de973aa03e2a9eaadeeb26ce30c3104ed671c54a416d14fc4c2bdab8bd9 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 15:01:20,006 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 15:01:20,008 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 15:01:20,040 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 15:01:20,040 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 15:01:20,041 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 15:01:20,044 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 15:01:20,046 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 15:01:20,047 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 15:01:20,051 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 15:01:20,051 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 15:01:20,055 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 15:01:20,055 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 15:01:20,056 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 15:01:20,057 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 15:01:20,059 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 15:01:20,060 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 15:01:20,061 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 15:01:20,062 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 15:01:20,066 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 15:01:20,067 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 15:01:20,068 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 15:01:20,069 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 15:01:20,069 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 15:01:20,070 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 15:01:20,075 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 15:01:20,075 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 15:01:20,075 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 15:01:20,076 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 15:01:20,076 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 15:01:20,077 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 15:01:20,077 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 15:01:20,078 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 15:01:20,079 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 15:01:20,080 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 15:01:20,080 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 15:01:20,080 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 15:01:20,081 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 15:01:20,081 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 15:01:20,081 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 15:01:20,082 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 15:01:20,082 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 15:01:20,086 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-21 15:01:20,115 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 15:01:20,115 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 15:01:20,116 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 15:01:20,116 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 15:01:20,116 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 15:01:20,116 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 15:01:20,117 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 15:01:20,117 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 15:01:20,118 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 15:01:20,118 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 15:01:20,118 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 15:01:20,119 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 15:01:20,119 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 15:01:20,119 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 15:01:20,119 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 15:01:20,119 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 15:01:20,119 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 15:01:20,120 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 15:01:20,120 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 15:01:20,120 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 15:01:20,120 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 15:01:20,120 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 15:01:20,120 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 15:01:20,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 15:01:20,121 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 15:01:20,121 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 15:01:20,121 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 15:01:20,121 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 15:01:20,121 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 15:01:20,122 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 15:01:20,122 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 15:01:20,122 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 15:01:20,122 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 15:01:20,122 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52f53de973aa03e2a9eaadeeb26ce30c3104ed671c54a416d14fc4c2bdab8bd9 [2022-07-21 15:01:20,392 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 15:01:20,421 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 15:01:20,423 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 15:01:20,424 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 15:01:20,426 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 15:01:20,427 INFO L432 ainManager$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 [2022-07-21 15:01:20,476 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff163ed1d/05f1780871b64a2bb03d09f60ebfdbf4/FLAGa1d2dc00c [2022-07-21 15:01:21,214 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 15:01:21,215 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 [2022-07-21 15:01:21,267 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff163ed1d/05f1780871b64a2bb03d09f60ebfdbf4/FLAGa1d2dc00c [2022-07-21 15:01:21,287 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff163ed1d/05f1780871b64a2bb03d09f60ebfdbf4 [2022-07-21 15:01:21,289 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 15:01:21,291 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 15:01:21,293 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 15:01:21,293 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 15:01:21,295 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 15:01:21,296 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:01:21" (1/1) ... [2022-07-21 15:01:21,296 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@679ca34e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:01:21, skipping insertion in model container [2022-07-21 15:01:21,297 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:01:21" (1/1) ... [2022-07-21 15:01:21,301 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 15:01:21,444 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 15:01:24,930 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] [2022-07-21 15:01:24,932 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] [2022-07-21 15:01:24,932 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] [2022-07-21 15:01:24,936 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] [2022-07-21 15:01:24,963 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 15:01:25,017 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-21 15:01:25,068 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 15:01:25,442 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] [2022-07-21 15:01:25,443 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] [2022-07-21 15:01:25,443 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] [2022-07-21 15:01:25,443 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] [2022-07-21 15:01:25,446 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 15:01:25,455 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 15:01:25,846 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] [2022-07-21 15:01:25,846 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] [2022-07-21 15:01:25,847 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] [2022-07-21 15:01:25,847 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] [2022-07-21 15:01:25,855 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 15:01:26,030 INFO L208 MainTranslator]: Completed translation [2022-07-21 15:01:26,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:01:26 WrapperNode [2022-07-21 15:01:26,031 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 15:01:26,032 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 15:01:26,033 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 15:01:26,033 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 15:01:26,038 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:01:26" (1/1) ... [2022-07-21 15:01:26,159 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:01:26" (1/1) ... [2022-07-21 15:01:26,347 INFO L137 Inliner]: procedures = 558, calls = 4122, calls flagged for inlining = 248, calls inlined = 231, statements flattened = 8349 [2022-07-21 15:01:26,348 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 15:01:26,348 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 15:01:26,348 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 15:01:26,349 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 15:01:26,356 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:01:26" (1/1) ... [2022-07-21 15:01:26,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:01:26" (1/1) ... [2022-07-21 15:01:26,460 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:01:26" (1/1) ... [2022-07-21 15:01:26,465 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:01:26" (1/1) ... [2022-07-21 15:01:26,579 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:01:26" (1/1) ... [2022-07-21 15:01:26,601 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:01:26" (1/1) ... [2022-07-21 15:01:26,628 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:01:26" (1/1) ... [2022-07-21 15:01:26,668 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 15:01:26,669 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 15:01:26,669 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 15:01:26,669 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 15:01:26,670 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:01:26" (1/1) ... [2022-07-21 15:01:26,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 15:01:26,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 15:01:26,704 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) [2022-07-21 15:01:26,707 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 [2022-07-21 15:01:26,736 INFO L130 BoogieDeclarations]: Found specification of procedure disable_ast [2022-07-21 15:01:26,736 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_ast [2022-07-21 15:01:26,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 15:01:26,736 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 15:01:26,737 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-21 15:01:26,737 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-21 15:01:26,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 15:01:26,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 15:01:26,737 INFO L130 BoogieDeclarations]: Found specification of procedure type4_infoblock [2022-07-21 15:01:26,737 INFO L138 BoogieDeclarations]: Found implementation of procedure type4_infoblock [2022-07-21 15:01:26,737 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_put_cache [2022-07-21 15:01:26,737 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_put_cache [2022-07-21 15:01:26,738 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-07-21 15:01:26,738 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-07-21 15:01:26,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_de4x5_private [2022-07-21 15:01:26,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_de4x5_private [2022-07-21 15:01:26,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-21 15:01:26,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-21 15:01:26,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_de4x5_private [2022-07-21 15:01:26,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_de4x5_private [2022-07-21 15:01:26,739 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_mii [2022-07-21 15:01:26,739 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_mii [2022-07-21 15:01:26,739 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_switch_mac_port [2022-07-21 15:01:26,739 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_switch_mac_port [2022-07-21 15:01:26,739 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-21 15:01:26,739 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-21 15:01:26,739 INFO L130 BoogieDeclarations]: Found specification of procedure srom_latch [2022-07-21 15:01:26,739 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_latch [2022-07-21 15:01:26,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_69 [2022-07-21 15:01:26,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_69 [2022-07-21 15:01:26,740 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-21 15:01:26,740 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-21 15:01:26,740 INFO L130 BoogieDeclarations]: Found specification of procedure build_setup_frame [2022-07-21 15:01:26,740 INFO L138 BoogieDeclarations]: Found implementation of procedure build_setup_frame [2022-07-21 15:01:26,740 INFO L130 BoogieDeclarations]: Found specification of procedure type2_infoblock [2022-07-21 15:01:26,741 INFO L138 BoogieDeclarations]: Found implementation of procedure type2_infoblock [2022-07-21 15:01:26,741 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-21 15:01:26,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-21 15:01:26,741 INFO L130 BoogieDeclarations]: Found specification of procedure type0_infoblock [2022-07-21 15:01:26,741 INFO L138 BoogieDeclarations]: Found implementation of procedure type0_infoblock [2022-07-21 15:01:26,741 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-07-21 15:01:26,741 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-07-21 15:01:26,741 INFO L130 BoogieDeclarations]: Found specification of procedure DevicePresent [2022-07-21 15:01:26,741 INFO L138 BoogieDeclarations]: Found implementation of procedure DevicePresent [2022-07-21 15:01:26,742 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-07-21 15:01:26,742 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-07-21 15:01:26,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-21 15:01:26,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-21 15:01:26,742 INFO L130 BoogieDeclarations]: Found specification of procedure dc21143_infoleaf [2022-07-21 15:01:26,742 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21143_infoleaf [2022-07-21 15:01:26,742 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2022-07-21 15:01:26,742 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2022-07-21 15:01:26,743 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-21 15:01:26,743 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-21 15:01:26,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-21 15:01:26,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-21 15:01:26,743 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2022-07-21 15:01:26,743 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_sw_reset [2022-07-21 15:01:26,743 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_sw_reset [2022-07-21 15:01:26,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 15:01:26,744 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2022-07-21 15:01:26,744 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2022-07-21 15:01:26,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-21 15:01:26,744 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-07-21 15:01:26,744 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-07-21 15:01:26,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-21 15:01:26,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-21 15:01:26,744 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-07-21 15:01:26,745 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-07-21 15:01:26,745 INFO L130 BoogieDeclarations]: Found specification of procedure is_spd_100 [2022-07-21 15:01:26,745 INFO L138 BoogieDeclarations]: Found implementation of procedure is_spd_100 [2022-07-21 15:01:26,745 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-21 15:01:26,745 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-21 15:01:26,745 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~C_INT [2022-07-21 15:01:26,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~C_INT [2022-07-21 15:01:26,746 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-21 15:01:26,746 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-21 15:01:26,746 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_mii [2022-07-21 15:01:26,746 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_mii [2022-07-21 15:01:26,746 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_rx_buffs [2022-07-21 15:01:26,746 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_rx_buffs [2022-07-21 15:01:26,746 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-21 15:01:26,746 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-21 15:01:26,746 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-21 15:01:26,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-21 15:01:26,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-21 15:01:26,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-21 15:01:26,747 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~C_INT [2022-07-21 15:01:26,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~C_INT [2022-07-21 15:01:26,747 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-21 15:01:26,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-21 15:01:26,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 15:01:26,748 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 15:01:26,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-21 15:01:26,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-21 15:01:26,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-21 15:01:26,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-21 15:01:26,748 INFO L130 BoogieDeclarations]: Found specification of procedure ping_media [2022-07-21 15:01:26,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ping_media [2022-07-21 15:01:26,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-21 15:01:26,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-21 15:01:26,749 INFO L130 BoogieDeclarations]: Found specification of procedure srom_autoconf [2022-07-21 15:01:26,749 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_autoconf [2022-07-21 15:01:26,749 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-21 15:01:26,749 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-21 15:01:26,749 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-07-21 15:01:26,749 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-07-21 15:01:26,749 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_tx [2022-07-21 15:01:26,749 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_tx [2022-07-21 15:01:26,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-21 15:01:26,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-21 15:01:26,750 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-07-21 15:01:26,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-07-21 15:01:26,750 INFO L130 BoogieDeclarations]: Found specification of procedure srom_rd [2022-07-21 15:01:26,750 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_rd [2022-07-21 15:01:26,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 15:01:26,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-21 15:01:26,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-21 15:01:26,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-21 15:01:26,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-21 15:01:26,751 INFO L130 BoogieDeclarations]: Found specification of procedure SetMulticastFilter [2022-07-21 15:01:26,751 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMulticastFilter [2022-07-21 15:01:26,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 15:01:26,751 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ioctl [2022-07-21 15:01:26,751 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ioctl [2022-07-21 15:01:26,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-21 15:01:26,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-21 15:01:26,752 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-21 15:01:26,752 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-21 15:01:26,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 15:01:26,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-21 15:01:26,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-21 15:01:26,752 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 15:01:26,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 15:01:26,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-21 15:01:26,753 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_srom [2022-07-21 15:01:26,753 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_srom [2022-07-21 15:01:26,753 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-07-21 15:01:26,753 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-07-21 15:01:26,753 INFO L130 BoogieDeclarations]: Found specification of procedure mii_swap [2022-07-21 15:01:26,753 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_swap [2022-07-21 15:01:26,753 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_reset_phy [2022-07-21 15:01:26,754 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_reset_phy [2022-07-21 15:01:26,754 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_putb_cache [2022-07-21 15:01:26,754 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_putb_cache [2022-07-21 15:01:26,754 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-21 15:01:26,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-21 15:01:26,754 INFO L130 BoogieDeclarations]: Found specification of procedure dc21142_infoleaf [2022-07-21 15:01:26,754 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21142_infoleaf [2022-07-21 15:01:26,754 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-21 15:01:26,755 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-21 15:01:26,755 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_stats [2022-07-21 15:01:26,755 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_stats [2022-07-21 15:01:26,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-21 15:01:26,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-21 15:01:26,755 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-07-21 15:01:26,755 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-07-21 15:01:26,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-21 15:01:26,755 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init_connection [2022-07-21 15:01:26,756 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init_connection [2022-07-21 15:01:26,756 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wr [2022-07-21 15:01:26,756 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wr [2022-07-21 15:01:26,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 15:01:26,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 15:01:26,756 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_state [2022-07-21 15:01:26,756 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_state [2022-07-21 15:01:26,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-21 15:01:26,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-07-21 15:01:26,757 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-07-21 15:01:26,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-21 15:01:26,757 INFO L130 BoogieDeclarations]: Found specification of procedure type3_infoblock [2022-07-21 15:01:26,757 INFO L138 BoogieDeclarations]: Found implementation of procedure type3_infoblock [2022-07-21 15:01:26,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-21 15:01:26,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 15:01:26,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-21 15:01:26,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 15:01:26,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 15:01:26,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 15:01:26,758 INFO L130 BoogieDeclarations]: Found specification of procedure reset_init_sia [2022-07-21 15:01:26,758 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_init_sia [2022-07-21 15:01:26,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-21 15:01:26,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-21 15:01:26,758 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-21 15:01:26,758 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-21 15:01:26,759 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_alloc_rx_buff [2022-07-21 15:01:26,759 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_alloc_rx_buff [2022-07-21 15:01:26,759 INFO L130 BoogieDeclarations]: Found specification of procedure test_for_100Mb [2022-07-21 15:01:26,759 INFO L138 BoogieDeclarations]: Found implementation of procedure test_for_100Mb [2022-07-21 15:01:26,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-21 15:01:26,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-21 15:01:26,759 INFO L130 BoogieDeclarations]: Found specification of procedure type5_infoblock [2022-07-21 15:01:26,759 INFO L138 BoogieDeclarations]: Found implementation of procedure type5_infoblock [2022-07-21 15:01:26,759 INFO L130 BoogieDeclarations]: Found specification of procedure load_packet [2022-07-21 15:01:26,760 INFO L138 BoogieDeclarations]: Found implementation of procedure load_packet [2022-07-21 15:01:26,760 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140m_autoconf [2022-07-21 15:01:26,760 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140m_autoconf [2022-07-21 15:01:26,760 INFO L130 BoogieDeclarations]: Found specification of procedure is_100_up [2022-07-21 15:01:26,760 INFO L138 BoogieDeclarations]: Found implementation of procedure is_100_up [2022-07-21 15:01:26,760 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_open [2022-07-21 15:01:26,760 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_open [2022-07-21 15:01:26,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 15:01:26,760 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 15:01:26,761 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ta [2022-07-21 15:01:26,761 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ta [2022-07-21 15:01:26,761 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-21 15:01:26,761 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-21 15:01:26,761 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_autoconf [2022-07-21 15:01:26,761 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_autoconf [2022-07-21 15:01:26,761 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-07-21 15:01:26,761 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-07-21 15:01:26,762 INFO L130 BoogieDeclarations]: Found specification of procedure test_mii_reg [2022-07-21 15:01:26,762 INFO L138 BoogieDeclarations]: Found implementation of procedure test_mii_reg [2022-07-21 15:01:26,762 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_cache_state [2022-07-21 15:01:26,762 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_cache_state [2022-07-21 15:01:26,762 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-07-21 15:01:26,762 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-07-21 15:01:26,762 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_pci_remove [2022-07-21 15:01:26,762 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_pci_remove [2022-07-21 15:01:26,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 15:01:26,763 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_media [2022-07-21 15:01:26,763 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_media [2022-07-21 15:01:26,763 INFO L130 BoogieDeclarations]: Found specification of procedure autoconf_media [2022-07-21 15:01:26,763 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconf_media [2022-07-21 15:01:26,763 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_autoconf [2022-07-21 15:01:26,763 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_autoconf [2022-07-21 15:01:26,763 INFO L130 BoogieDeclarations]: Found specification of procedure mii_rd [2022-07-21 15:01:26,763 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_rd [2022-07-21 15:01:26,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 15:01:26,764 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ast [2022-07-21 15:01:26,764 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ast [2022-07-21 15:01:26,764 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2022-07-21 15:01:26,764 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2022-07-21 15:01:26,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-21 15:01:26,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-21 15:01:26,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-21 15:01:26,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-21 15:01:26,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 15:01:26,765 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-21 15:01:26,765 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-21 15:01:26,765 INFO L130 BoogieDeclarations]: Found specification of procedure is_10_up [2022-07-21 15:01:26,765 INFO L138 BoogieDeclarations]: Found implementation of procedure is_10_up [2022-07-21 15:01:26,765 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-07-21 15:01:26,766 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-07-21 15:01:26,766 INFO L130 BoogieDeclarations]: Found specification of procedure is_anc_capable [2022-07-21 15:01:26,766 INFO L138 BoogieDeclarations]: Found implementation of procedure is_anc_capable [2022-07-21 15:01:26,766 INFO L130 BoogieDeclarations]: Found specification of procedure type1_infoblock [2022-07-21 15:01:26,766 INFO L138 BoogieDeclarations]: Found implementation of procedure type1_infoblock [2022-07-21 15:01:26,766 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-21 15:01:26,766 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-21 15:01:26,766 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-07-21 15:01:26,767 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-07-21 15:01:26,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-07-21 15:01:26,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-07-21 15:01:26,767 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140_infoleaf [2022-07-21 15:01:26,767 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140_infoleaf [2022-07-21 15:01:26,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-21 15:01:26,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-21 15:01:26,767 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-07-21 15:01:26,767 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-07-21 15:01:26,768 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_queue_pkt [2022-07-21 15:01:26,768 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_queue_pkt [2022-07-21 15:01:26,768 INFO L130 BoogieDeclarations]: Found specification of procedure test_media [2022-07-21 15:01:26,768 INFO L138 BoogieDeclarations]: Found implementation of procedure test_media [2022-07-21 15:01:26,768 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buffs [2022-07-21 15:01:26,768 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buffs [2022-07-21 15:01:26,768 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2022-07-21 15:01:26,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2022-07-21 15:01:26,768 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-21 15:01:26,769 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-21 15:01:26,769 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-21 15:01:26,769 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-21 15:01:26,769 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-21 15:01:26,769 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-21 15:01:26,769 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init [2022-07-21 15:01:26,769 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init [2022-07-21 15:01:26,769 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-21 15:01:26,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-21 15:01:26,770 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-07-21 15:01:26,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-07-21 15:01:26,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_73 [2022-07-21 15:01:26,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_73 [2022-07-21 15:01:26,770 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_infoleaf [2022-07-21 15:01:26,770 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_infoleaf [2022-07-21 15:01:26,770 INFO L130 BoogieDeclarations]: Found specification of procedure srom_exec [2022-07-21 15:01:26,770 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_exec [2022-07-21 15:01:26,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-21 15:01:26,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-21 15:01:26,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-21 15:01:26,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-21 15:01:26,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 15:01:26,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 15:01:26,771 INFO L130 BoogieDeclarations]: Found specification of procedure gep_wr [2022-07-21 15:01:26,771 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_wr [2022-07-21 15:01:26,771 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-21 15:01:26,771 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-21 15:01:26,772 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_srom [2022-07-21 15:01:26,772 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_srom [2022-07-21 15:01:26,772 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-21 15:01:26,772 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-21 15:01:26,772 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_cache [2022-07-21 15:01:26,772 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_cache [2022-07-21 15:01:26,772 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_suspect_state [2022-07-21 15:01:26,772 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_suspect_state [2022-07-21 15:01:26,772 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_mii [2022-07-21 15:01:26,773 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_mii [2022-07-21 15:01:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure compact_infoblock [2022-07-21 15:01:26,773 INFO L138 BoogieDeclarations]: Found implementation of procedure compact_infoblock [2022-07-21 15:01:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-21 15:01:26,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-21 15:01:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure gep_rd [2022-07-21 15:01:26,773 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_rd [2022-07-21 15:01:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure mii_address [2022-07-21 15:01:26,773 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_address [2022-07-21 15:01:26,774 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buff [2022-07-21 15:01:26,774 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buff [2022-07-21 15:01:26,774 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_setup_intr [2022-07-21 15:01:26,774 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_setup_intr [2022-07-21 15:01:26,774 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_save_skbs [2022-07-21 15:01:26,774 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_save_skbs [2022-07-21 15:01:26,774 INFO L130 BoogieDeclarations]: Found specification of procedure dc2114x_autoconf [2022-07-21 15:01:26,774 INFO L138 BoogieDeclarations]: Found implementation of procedure dc2114x_autoconf [2022-07-21 15:01:26,775 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-07-21 15:01:26,775 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-07-21 15:01:26,775 INFO L130 BoogieDeclarations]: Found specification of procedure srom_map_media [2022-07-21 15:01:26,775 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_map_media [2022-07-21 15:01:26,775 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_strncmp [2022-07-21 15:01:26,775 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_strncmp [2022-07-21 15:01:26,775 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-07-21 15:01:26,775 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-07-21 15:01:26,775 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_close [2022-07-21 15:01:26,776 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_close [2022-07-21 15:01:26,776 INFO L130 BoogieDeclarations]: Found specification of procedure yawn [2022-07-21 15:01:26,776 INFO L138 BoogieDeclarations]: Found implementation of procedure yawn [2022-07-21 15:01:26,776 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wdata [2022-07-21 15:01:26,776 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wdata [2022-07-21 15:01:26,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-21 15:01:26,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-21 15:01:26,776 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-21 15:01:27,799 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 15:01:27,802 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 15:01:32,046 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 15:02:48,138 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-21 15:02:49,063 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 15:02:49,133 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 15:02:49,133 INFO L299 CfgBuilder]: Removed 17 assume(true) statements. [2022-07-21 15:02:49,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:02:49 BoogieIcfgContainer [2022-07-21 15:02:49,143 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 15:02:49,145 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 15:02:49,147 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 15:02:49,149 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 15:02:49,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 03:01:21" (1/3) ... [2022-07-21 15:02:49,150 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bf00c93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:02:49, skipping insertion in model container [2022-07-21 15:02:49,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:01:26" (2/3) ... [2022-07-21 15:02:49,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bf00c93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:02:49, skipping insertion in model container [2022-07-21 15:02:49,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:02:49" (3/3) ... [2022-07-21 15:02:49,153 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2022-07-21 15:02:49,176 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 15:02:49,176 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-21 15:02:49,335 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 15:02:49,342 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@346e11b0, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@c76f47c [2022-07-21 15:02:49,343 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-21 15:02:49,355 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) [2022-07-21 15:02:49,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-07-21 15:02:49,381 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:02:49,382 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] [2022-07-21 15:02:49,383 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)] === [2022-07-21 15:02:49,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:02:49,387 INFO L85 PathProgramCache]: Analyzing trace with hash -2145689996, now seen corresponding path program 1 times [2022-07-21 15:02:49,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:02:49,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1352772486] [2022-07-21 15:02:49,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:02:49,404 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:02:49,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:02:49,439 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) [2022-07-21 15:02:49,496 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-21 15:02:51,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:51,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 1767 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 15:02:51,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:02:51,531 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2022-07-21 15:02:51,531 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:02:51,531 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:02:51,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1352772486] [2022-07-21 15:02:51,532 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1352772486] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:02:51,532 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:02:51,532 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 15:02:51,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161134337] [2022-07-21 15:02:51,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:02:51,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 15:02:51,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:02:51,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 15:02:51,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 15:02:51,570 INFO L87 Difference]: Start difference. First operand has 3959 states, 2824 states have (on average 1.3533994334277621) internal successors, (3822), 2886 states have internal predecessors, (3822), 996 states have call successors, (996), 153 states have call predecessors, (996), 152 states have return successors, (989), 975 states have call predecessors, (989), 989 states have call successors, (989) Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-07-21 15:02:53,739 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 15:02:54,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:02:54,264 INFO L93 Difference]: Finished difference Result 11636 states and 17470 transitions. [2022-07-21 15:02:54,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 15:02:54,266 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 [2022-07-21 15:02:54,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:02:54,337 INFO L225 Difference]: With dead ends: 11636 [2022-07-21 15:02:54,337 INFO L226 Difference]: Without dead ends: 7698 [2022-07-21 15:02:54,383 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 [2022-07-21 15:02:54,389 INFO L413 NwaCegarLoop]: 6649 mSDtfsCounter, 5581 mSDsluCounter, 5659 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5581 SdHoareTripleChecker+Valid, 12308 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-07-21 15:02:54,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5581 Valid, 12308 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-07-21 15:02:54,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7698 states. [2022-07-21 15:02:54,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7698 to 7694. [2022-07-21 15:02:54,766 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) [2022-07-21 15:02:54,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7694 states to 7694 states and 11224 transitions. [2022-07-21 15:02:54,830 INFO L78 Accepts]: Start accepts. Automaton has 7694 states and 11224 transitions. Word has length 189 [2022-07-21 15:02:54,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:02:54,832 INFO L495 AbstractCegarLoop]: Abstraction has 7694 states and 11224 transitions. [2022-07-21 15:02:54,832 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) [2022-07-21 15:02:54,833 INFO L276 IsEmpty]: Start isEmpty. Operand 7694 states and 11224 transitions. [2022-07-21 15:02:54,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-07-21 15:02:54,838 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:02:54,839 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] [2022-07-21 15:02:54,882 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-21 15:02:55,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:02:55,058 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)] === [2022-07-21 15:02:55,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:02:55,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1734393835, now seen corresponding path program 1 times [2022-07-21 15:02:55,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:02:55,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [493063331] [2022-07-21 15:02:55,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:02:55,061 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:02:55,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:02:55,063 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) [2022-07-21 15:02:55,065 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-21 15:02:56,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:56,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 1805 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 15:02:56,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:02:57,116 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2022-07-21 15:02:57,116 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:02:57,116 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:02:57,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [493063331] [2022-07-21 15:02:57,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [493063331] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:02:57,117 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:02:57,117 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 15:02:57,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456506012] [2022-07-21 15:02:57,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:02:57,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 15:02:57,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:02:57,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 15:02:57,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 15:02:57,119 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) [2022-07-21 15:02:59,239 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 [] [2022-07-21 15:03:00,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:03:00,031 INFO L93 Difference]: Finished difference Result 22590 states and 33282 transitions. [2022-07-21 15:03:00,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 15:03:00,032 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 [2022-07-21 15:03:00,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:03:00,147 INFO L225 Difference]: With dead ends: 22590 [2022-07-21 15:03:00,147 INFO L226 Difference]: Without dead ends: 14931 [2022-07-21 15:03:00,212 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 15:03:00,213 INFO L413 NwaCegarLoop]: 6714 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, 12407 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-21 15:03:00,214 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5442 Valid, 12407 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 14 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-07-21 15:03:00,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14931 states. [2022-07-21 15:03:00,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14931 to 14895. [2022-07-21 15:03:00,843 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) [2022-07-21 15:03:00,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14895 states to 14895 states and 22055 transitions. [2022-07-21 15:03:00,940 INFO L78 Accepts]: Start accepts. Automaton has 14895 states and 22055 transitions. Word has length 195 [2022-07-21 15:03:00,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:03:00,941 INFO L495 AbstractCegarLoop]: Abstraction has 14895 states and 22055 transitions. [2022-07-21 15:03:00,942 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) [2022-07-21 15:03:00,942 INFO L276 IsEmpty]: Start isEmpty. Operand 14895 states and 22055 transitions. [2022-07-21 15:03:00,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-07-21 15:03:00,947 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:03:00,947 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] [2022-07-21 15:03:00,989 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-21 15:03:01,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:03:01,175 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)] === [2022-07-21 15:03:01,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:03:01,176 INFO L85 PathProgramCache]: Analyzing trace with hash -368432476, now seen corresponding path program 1 times [2022-07-21 15:03:01,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:03:01,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1510016799] [2022-07-21 15:03:01,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:03:01,178 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:03:01,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:03:01,188 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) [2022-07-21 15:03:01,191 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-21 15:03:02,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:03,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 1867 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 15:03:03,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:03:03,548 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2022-07-21 15:03:03,548 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:03:03,549 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:03:03,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1510016799] [2022-07-21 15:03:03,549 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1510016799] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:03:03,549 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:03:03,549 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 15:03:03,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481074635] [2022-07-21 15:03:03,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:03:03,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 15:03:03,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:03:03,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 15:03:03,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 15:03:03,554 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) [2022-07-21 15:03:05,713 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 15:03:07,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:03:07,203 INFO L93 Difference]: Finished difference Result 44441 states and 65831 transitions. [2022-07-21 15:03:07,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 15:03:07,204 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 [2022-07-21 15:03:07,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:03:07,353 INFO L225 Difference]: With dead ends: 44441 [2022-07-21 15:03:07,353 INFO L226 Difference]: Without dead ends: 29581 [2022-07-21 15:03:07,415 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 [2022-07-21 15:03:07,416 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 [2022-07-21 15:03:07,416 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] [2022-07-21 15:03:07,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29581 states. [2022-07-21 15:03:08,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29581 to 29537. [2022-07-21 15:03:08,310 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) [2022-07-21 15:03:08,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29537 states to 29537 states and 43753 transitions. [2022-07-21 15:03:08,465 INFO L78 Accepts]: Start accepts. Automaton has 29537 states and 43753 transitions. Word has length 208 [2022-07-21 15:03:08,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:03:08,467 INFO L495 AbstractCegarLoop]: Abstraction has 29537 states and 43753 transitions. [2022-07-21 15:03:08,467 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) [2022-07-21 15:03:08,467 INFO L276 IsEmpty]: Start isEmpty. Operand 29537 states and 43753 transitions. [2022-07-21 15:03:08,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2022-07-21 15:03:08,471 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:03:08,471 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] [2022-07-21 15:03:08,511 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-07-21 15:03:08,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:03:08,687 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)] === [2022-07-21 15:03:08,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:03:08,688 INFO L85 PathProgramCache]: Analyzing trace with hash -1403309292, now seen corresponding path program 1 times [2022-07-21 15:03:08,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:03:08,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [565663636] [2022-07-21 15:03:08,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:03:08,689 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:03:08,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:03:08,692 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) [2022-07-21 15:03:08,693 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-21 15:03:10,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:10,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 1866 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 15:03:10,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:03:10,919 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2022-07-21 15:03:10,920 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:03:10,920 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:03:10,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [565663636] [2022-07-21 15:03:10,920 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [565663636] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:03:10,920 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:03:10,920 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 15:03:10,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995837712] [2022-07-21 15:03:10,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:03:10,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 15:03:10,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:03:10,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 15:03:10,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 15:03:10,921 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) [2022-07-21 15:03:13,106 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 15:03:14,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:03:14,754 INFO L93 Difference]: Finished difference Result 88193 states and 130691 transitions. [2022-07-21 15:03:14,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 15:03:14,755 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 [2022-07-21 15:03:14,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:03:15,088 INFO L225 Difference]: With dead ends: 88193 [2022-07-21 15:03:15,088 INFO L226 Difference]: Without dead ends: 58691 [2022-07-21 15:03:15,263 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 [2022-07-21 15:03:15,264 INFO L413 NwaCegarLoop]: 6640 mSDtfsCounter, 5552 mSDsluCounter, 5642 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5552 SdHoareTripleChecker+Valid, 12282 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-07-21 15:03:15,265 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5552 Valid, 12282 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 39 Invalid, 1 Unknown, 0 Unchecked, 2.8s Time] [2022-07-21 15:03:15,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58691 states. [2022-07-21 15:03:17,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58691 to 58647. [2022-07-21 15:03:17,519 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) [2022-07-21 15:03:17,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58647 states to 58647 states and 86895 transitions. [2022-07-21 15:03:17,852 INFO L78 Accepts]: Start accepts. Automaton has 58647 states and 86895 transitions. Word has length 207 [2022-07-21 15:03:17,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:03:17,854 INFO L495 AbstractCegarLoop]: Abstraction has 58647 states and 86895 transitions. [2022-07-21 15:03:17,854 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) [2022-07-21 15:03:17,854 INFO L276 IsEmpty]: Start isEmpty. Operand 58647 states and 86895 transitions. [2022-07-21 15:03:17,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-07-21 15:03:17,857 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:03:17,857 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] [2022-07-21 15:03:17,905 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-07-21 15:03:18,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:03:18,071 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)] === [2022-07-21 15:03:18,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:03:18,072 INFO L85 PathProgramCache]: Analyzing trace with hash -2110405903, now seen corresponding path program 1 times [2022-07-21 15:03:18,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:03:18,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [309821479] [2022-07-21 15:03:18,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:03:18,452 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:03:18,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:03:18,469 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) [2022-07-21 15:03:18,470 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-21 15:03:20,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:20,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 1864 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 15:03:20,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:03:20,704 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2022-07-21 15:03:20,704 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:03:20,705 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:03:20,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [309821479] [2022-07-21 15:03:20,705 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [309821479] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:03:20,705 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:03:20,705 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 15:03:20,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55892524] [2022-07-21 15:03:20,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:03:20,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 15:03:20,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:03:20,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 15:03:20,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 15:03:20,706 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) [2022-07-21 15:03:22,820 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 15:03:26,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:03:26,091 INFO L93 Difference]: Finished difference Result 175175 states and 259665 transitions. [2022-07-21 15:03:26,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 15:03:26,092 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 [2022-07-21 15:03:26,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:03:26,855 INFO L225 Difference]: With dead ends: 175175 [2022-07-21 15:03:26,855 INFO L226 Difference]: Without dead ends: 116563 [2022-07-21 15:03:27,243 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 [2022-07-21 15:03:27,243 INFO L413 NwaCegarLoop]: 6641 mSDtfsCounter, 5554 mSDsluCounter, 5642 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5554 SdHoareTripleChecker+Valid, 12283 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-07-21 15:03:27,244 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5554 Valid, 12283 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 39 Invalid, 1 Unknown, 0 Unchecked, 2.7s Time] [2022-07-21 15:03:27,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116563 states. [2022-07-21 15:03:30,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116563 to 116507. [2022-07-21 15:03:30,845 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) [2022-07-21 15:03:31,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116507 states to 116507 states and 172675 transitions. [2022-07-21 15:03:31,981 INFO L78 Accepts]: Start accepts. Automaton has 116507 states and 172675 transitions. Word has length 205 [2022-07-21 15:03:31,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:03:31,981 INFO L495 AbstractCegarLoop]: Abstraction has 116507 states and 172675 transitions. [2022-07-21 15:03:31,982 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) [2022-07-21 15:03:31,982 INFO L276 IsEmpty]: Start isEmpty. Operand 116507 states and 172675 transitions. [2022-07-21 15:03:31,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-07-21 15:03:31,987 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:03:31,988 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 15:03:32,026 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-21 15:03:32,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:03:32,205 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)] === [2022-07-21 15:03:32,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:03:32,206 INFO L85 PathProgramCache]: Analyzing trace with hash -949583327, now seen corresponding path program 1 times [2022-07-21 15:03:32,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:03:32,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1409882329] [2022-07-21 15:03:32,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:03:32,207 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:03:32,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:03:32,209 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) [2022-07-21 15:03:32,211 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-21 15:03:33,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:33,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 1865 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 15:03:33,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:03:34,448 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2022-07-21 15:03:34,449 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:03:34,449 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:03:34,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1409882329] [2022-07-21 15:03:34,449 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1409882329] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:03:34,449 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:03:34,449 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 15:03:34,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854441845] [2022-07-21 15:03:34,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:03:34,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 15:03:34,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:03:34,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 15:03:34,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 15:03:34,450 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) [2022-07-21 15:03:36,560 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 15:03:42,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:03:42,794 INFO L93 Difference]: Finished difference Result 347085 states and 514651 transitions. [2022-07-21 15:03:42,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 15:03:42,794 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 [2022-07-21 15:03:42,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:03:44,572 INFO L225 Difference]: With dead ends: 347085 [2022-07-21 15:03:44,573 INFO L226 Difference]: Without dead ends: 230613 [2022-07-21 15:03:45,217 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 [2022-07-21 15:03:45,217 INFO L413 NwaCegarLoop]: 6645 mSDtfsCounter, 5553 mSDsluCounter, 5642 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5553 SdHoareTripleChecker+Valid, 12287 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-07-21 15:03:45,218 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5553 Valid, 12287 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 39 Invalid, 1 Unknown, 0 Unchecked, 2.8s Time] [2022-07-21 15:03:45,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230613 states. [2022-07-21 15:03:52,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230613 to 230533. [2022-07-21 15:03:52,652 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) [2022-07-21 15:03:54,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230533 states to 230533 states and 341777 transitions. [2022-07-21 15:03:55,007 INFO L78 Accepts]: Start accepts. Automaton has 230533 states and 341777 transitions. Word has length 206 [2022-07-21 15:03:55,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:03:55,008 INFO L495 AbstractCegarLoop]: Abstraction has 230533 states and 341777 transitions. [2022-07-21 15:03:55,008 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) [2022-07-21 15:03:55,009 INFO L276 IsEmpty]: Start isEmpty. Operand 230533 states and 341777 transitions. [2022-07-21 15:03:55,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2022-07-21 15:03:55,023 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:03:55,023 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] [2022-07-21 15:03:55,080 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-21 15:03:55,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:03:55,239 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)] === [2022-07-21 15:03:55,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:03:55,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1706572458, now seen corresponding path program 1 times [2022-07-21 15:03:55,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:03:55,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [679111797] [2022-07-21 15:03:55,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:03:55,242 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:03:55,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:03:55,243 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) [2022-07-21 15:03:55,245 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process