./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test17_2-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 5758efa3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test17_2-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 771ea31dfbd697ea24d6820053320d940f30ec07 ............................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test17_2-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 771ea31dfbd697ea24d6820053320d940f30ec07 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported --- Real Ultimate output --- This is Ultimate 0.1.24-5758efa [2019-11-26 21:20:02,380 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 21:20:02,382 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 21:20:02,400 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 21:20:02,401 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 21:20:02,403 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 21:20:02,405 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 21:20:02,414 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 21:20:02,419 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 21:20:02,424 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 21:20:02,425 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 21:20:02,427 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 21:20:02,427 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 21:20:02,430 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 21:20:02,431 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 21:20:02,433 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 21:20:02,434 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 21:20:02,435 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 21:20:02,438 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 21:20:02,440 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 21:20:02,441 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 21:20:02,443 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 21:20:02,444 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 21:20:02,445 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 21:20:02,447 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 21:20:02,447 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 21:20:02,447 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 21:20:02,448 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 21:20:02,449 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 21:20:02,450 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 21:20:02,450 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 21:20:02,451 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 21:20:02,452 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 21:20:02,453 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 21:20:02,454 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 21:20:02,454 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 21:20:02,455 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 21:20:02,455 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 21:20:02,455 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 21:20:02,456 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 21:20:02,457 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 21:20:02,458 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-26 21:20:02,473 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 21:20:02,473 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 21:20:02,474 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 21:20:02,475 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 21:20:02,475 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 21:20:02,475 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 21:20:02,476 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 21:20:02,476 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 21:20:02,476 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 21:20:02,476 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 21:20:02,477 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 21:20:02,477 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 21:20:02,477 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 21:20:02,477 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 21:20:02,478 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 21:20:02,478 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 21:20:02,478 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 21:20:02,478 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 21:20:02,479 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 21:20:02,479 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 21:20:02,479 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 21:20:02,480 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 21:20:02,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 21:20:02,480 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 21:20:02,480 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 21:20:02,481 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 21:20:02,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 21:20:02,481 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 771ea31dfbd697ea24d6820053320d940f30ec07 [2019-11-26 21:20:02,772 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 21:20:02,791 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 21:20:02,794 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 21:20:02,796 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 21:20:02,796 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 21:20:02,797 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test17_2-2.i [2019-11-26 21:20:02,865 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f21ce688/8c1373c900dd4cd3861ba0476407bd68/FLAG795d3aa4d [2019-11-26 21:20:03,442 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 21:20:03,443 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test17_2-2.i [2019-11-26 21:20:03,471 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f21ce688/8c1373c900dd4cd3861ba0476407bd68/FLAG795d3aa4d [2019-11-26 21:20:03,701 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f21ce688/8c1373c900dd4cd3861ba0476407bd68 [2019-11-26 21:20:03,705 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 21:20:03,706 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-26 21:20:03,708 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 21:20:03,708 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 21:20:03,712 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 21:20:03,713 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 09:20:03" (1/1) ... [2019-11-26 21:20:03,716 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35124bbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 09:20:03, skipping insertion in model container [2019-11-26 21:20:03,716 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 09:20:03" (1/1) ... [2019-11-26 21:20:03,725 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 21:20:03,770 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 21:20:04,375 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 21:20:04,401 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2019-11-26 21:20:04,402 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3ecc94ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 09:20:04, skipping insertion in model container [2019-11-26 21:20:04,403 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 21:20:04,403 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-26 21:20:04,407 INFO L168 Benchmark]: Toolchain (without parser) took 698.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -167.0 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2019-11-26 21:20:04,408 INFO L168 Benchmark]: CDTParser took 1.10 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 21:20:04,409 INFO L168 Benchmark]: CACSL2BoogieTranslator took 695.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -167.0 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2019-11-26 21:20:04,413 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.10 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 695.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -167.0 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-5758efa [2019-11-26 21:20:06,271 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 21:20:06,274 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 21:20:06,289 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 21:20:06,289 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 21:20:06,292 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 21:20:06,294 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 21:20:06,304 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 21:20:06,307 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 21:20:06,309 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 21:20:06,311 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 21:20:06,312 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 21:20:06,313 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 21:20:06,317 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 21:20:06,319 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 21:20:06,322 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 21:20:06,324 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 21:20:06,326 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 21:20:06,329 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 21:20:06,334 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 21:20:06,339 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 21:20:06,342 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 21:20:06,345 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 21:20:06,347 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 21:20:06,349 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 21:20:06,350 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 21:20:06,350 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 21:20:06,352 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 21:20:06,353 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 21:20:06,354 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 21:20:06,354 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 21:20:06,355 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 21:20:06,356 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 21:20:06,357 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 21:20:06,359 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 21:20:06,359 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 21:20:06,360 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 21:20:06,361 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 21:20:06,361 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 21:20:06,362 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 21:20:06,363 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 21:20:06,364 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-26 21:20:06,387 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 21:20:06,387 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 21:20:06,389 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 21:20:06,393 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 21:20:06,394 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 21:20:06,394 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 21:20:06,394 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 21:20:06,394 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 21:20:06,395 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 21:20:06,395 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 21:20:06,395 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 21:20:06,396 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 21:20:06,396 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 21:20:06,396 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 21:20:06,396 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 21:20:06,397 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 21:20:06,397 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 21:20:06,397 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 21:20:06,398 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 21:20:06,398 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 21:20:06,398 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 21:20:06,398 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 21:20:06,399 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 21:20:06,399 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 21:20:06,399 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 21:20:06,400 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 21:20:06,400 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 21:20:06,400 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 21:20:06,401 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 21:20:06,401 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 21:20:06,401 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 771ea31dfbd697ea24d6820053320d940f30ec07 [2019-11-26 21:20:06,705 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 21:20:06,718 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 21:20:06,722 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 21:20:06,723 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 21:20:06,724 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 21:20:06,725 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test17_2-2.i [2019-11-26 21:20:06,784 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10dccaf09/2157653722cb43b0b0b96e0fe9184d6f/FLAG8cacac8cf [2019-11-26 21:20:07,350 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 21:20:07,351 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test17_2-2.i [2019-11-26 21:20:07,368 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10dccaf09/2157653722cb43b0b0b96e0fe9184d6f/FLAG8cacac8cf [2019-11-26 21:20:07,644 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10dccaf09/2157653722cb43b0b0b96e0fe9184d6f [2019-11-26 21:20:07,646 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 21:20:07,648 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-26 21:20:07,649 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 21:20:07,650 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 21:20:07,653 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 21:20:07,654 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 09:20:07" (1/1) ... [2019-11-26 21:20:07,657 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7903573a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 09:20:07, skipping insertion in model container [2019-11-26 21:20:07,657 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 09:20:07" (1/1) ... [2019-11-26 21:20:07,663 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 21:20:07,729 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 21:20:08,304 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 21:20:08,336 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-26 21:20:08,364 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 21:20:08,448 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 21:20:08,457 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 21:20:08,510 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 21:20:08,606 INFO L208 MainTranslator]: Completed translation [2019-11-26 21:20:08,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 09:20:08 WrapperNode [2019-11-26 21:20:08,607 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 21:20:08,608 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 21:20:08,608 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 21:20:08,608 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 21:20:08,623 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 09:20:08" (1/1) ... [2019-11-26 21:20:08,624 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 09:20:08" (1/1) ... [2019-11-26 21:20:08,666 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 09:20:08" (1/1) ... [2019-11-26 21:20:08,667 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 09:20:08" (1/1) ... [2019-11-26 21:20:08,712 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 09:20:08" (1/1) ... [2019-11-26 21:20:08,720 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 09:20:08" (1/1) ... [2019-11-26 21:20:08,728 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 09:20:08" (1/1) ... [2019-11-26 21:20:08,740 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 21:20:08,741 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 21:20:08,741 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 21:20:08,741 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 21:20:08,742 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 09:20:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 21:20:08,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-26 21:20:08,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 21:20:08,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-26 21:20:08,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-11-26 21:20:08,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-26 21:20:08,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-26 21:20:08,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-26 21:20:08,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-26 21:20:08,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-26 21:20:08,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-26 21:20:08,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-26 21:20:08,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-26 21:20:08,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-26 21:20:08,813 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-26 21:20:08,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-26 21:20:08,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-26 21:20:08,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-26 21:20:08,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-26 21:20:08,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-26 21:20:08,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-26 21:20:08,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-26 21:20:08,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-26 21:20:08,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-26 21:20:08,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-26 21:20:08,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-26 21:20:08,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-26 21:20:08,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-26 21:20:08,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-26 21:20:08,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-26 21:20:08,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-26 21:20:08,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-26 21:20:08,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-26 21:20:08,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-26 21:20:08,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-26 21:20:08,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-26 21:20:08,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-26 21:20:08,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-26 21:20:08,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-26 21:20:08,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-26 21:20:08,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-26 21:20:08,820 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-26 21:20:08,820 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-26 21:20:08,820 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_17 [2019-11-26 21:20:08,820 INFO L138 BoogieDeclarations]: Found implementation of procedure free_17 [2019-11-26 21:20:08,820 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-26 21:20:08,821 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-26 21:20:08,821 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-26 21:20:08,821 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-26 21:20:08,821 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-26 21:20:08,822 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-26 21:20:08,822 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-26 21:20:08,822 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-26 21:20:08,822 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-26 21:20:08,822 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-26 21:20:08,823 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-26 21:20:08,823 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-26 21:20:08,823 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-26 21:20:08,823 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-26 21:20:08,824 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-26 21:20:08,824 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-26 21:20:08,824 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-26 21:20:08,824 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-26 21:20:08,824 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-26 21:20:08,825 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-26 21:20:08,825 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-26 21:20:08,825 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-26 21:20:08,825 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-26 21:20:08,825 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-26 21:20:08,826 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-26 21:20:08,826 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-26 21:20:08,826 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-26 21:20:08,826 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-26 21:20:08,827 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-26 21:20:08,827 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-26 21:20:08,827 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-26 21:20:08,827 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-26 21:20:08,827 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-26 21:20:08,828 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-26 21:20:08,828 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-26 21:20:08,828 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-26 21:20:08,828 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-26 21:20:08,828 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-26 21:20:08,829 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-26 21:20:08,829 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-26 21:20:08,829 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-26 21:20:08,829 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-26 21:20:08,829 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-26 21:20:08,830 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-26 21:20:08,830 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-26 21:20:08,830 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-26 21:20:08,830 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-26 21:20:08,830 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-26 21:20:08,831 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-26 21:20:08,831 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-26 21:20:08,831 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-26 21:20:08,831 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-26 21:20:08,831 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-26 21:20:08,832 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-26 21:20:08,832 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-26 21:20:08,832 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-26 21:20:08,832 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-26 21:20:08,832 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-26 21:20:08,833 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-26 21:20:08,833 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-26 21:20:08,833 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-26 21:20:08,833 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-26 21:20:08,833 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-26 21:20:08,834 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-26 21:20:08,834 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-26 21:20:08,834 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-26 21:20:08,834 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-26 21:20:08,834 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-26 21:20:08,835 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-26 21:20:08,835 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-26 21:20:08,835 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-26 21:20:08,835 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-26 21:20:08,835 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-26 21:20:08,836 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-26 21:20:08,836 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-26 21:20:08,836 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-26 21:20:08,836 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-26 21:20:08,836 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-26 21:20:08,837 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-26 21:20:08,837 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-26 21:20:08,837 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-26 21:20:08,837 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-26 21:20:08,837 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-26 21:20:08,838 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-26 21:20:08,838 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-26 21:20:08,838 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-26 21:20:08,838 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-26 21:20:08,839 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-26 21:20:08,839 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-26 21:20:08,839 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-26 21:20:08,839 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-26 21:20:08,839 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-26 21:20:08,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-26 21:20:08,840 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-26 21:20:08,840 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-26 21:20:08,840 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-26 21:20:08,840 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-26 21:20:08,841 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-26 21:20:08,841 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-26 21:20:08,841 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-26 21:20:08,841 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-26 21:20:08,842 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-26 21:20:08,842 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-26 21:20:08,842 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-26 21:20:08,842 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-26 21:20:08,842 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-26 21:20:08,842 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-26 21:20:08,843 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-26 21:20:08,843 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-26 21:20:08,843 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-26 21:20:08,843 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-26 21:20:08,843 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-26 21:20:08,844 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-26 21:20:08,844 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-26 21:20:08,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-26 21:20:08,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-26 21:20:08,844 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-26 21:20:08,845 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-26 21:20:08,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-26 21:20:08,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-26 21:20:08,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-26 21:20:08,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-26 21:20:08,846 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-26 21:20:08,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-26 21:20:08,846 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-26 21:20:08,846 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-26 21:20:08,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-26 21:20:08,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-26 21:20:08,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-26 21:20:08,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-26 21:20:08,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-26 21:20:08,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-26 21:20:08,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-26 21:20:08,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-26 21:20:08,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-26 21:20:08,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-26 21:20:08,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-26 21:20:08,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-26 21:20:08,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-26 21:20:08,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-26 21:20:08,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-26 21:20:08,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-26 21:20:08,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-26 21:20:08,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-26 21:20:08,850 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-26 21:20:08,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-26 21:20:08,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-26 21:20:08,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-26 21:20:08,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-26 21:20:08,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-26 21:20:08,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-26 21:20:08,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-26 21:20:08,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-26 21:20:08,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-26 21:20:08,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-26 21:20:08,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-26 21:20:08,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-26 21:20:08,852 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-26 21:20:08,852 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-26 21:20:08,853 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-26 21:20:08,853 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_17 [2019-11-26 21:20:08,853 INFO L130 BoogieDeclarations]: Found specification of procedure free_17 [2019-11-26 21:20:08,853 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-26 21:20:08,853 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-26 21:20:08,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-26 21:20:08,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 21:20:08,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-26 21:20:08,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 21:20:08,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-11-26 21:20:08,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-26 21:20:08,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-26 21:20:08,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-26 21:20:08,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-26 21:20:09,570 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 21:20:10,011 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 21:20:10,596 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 21:20:10,597 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-26 21:20:10,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 09:20:10 BoogieIcfgContainer [2019-11-26 21:20:10,599 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 21:20:10,600 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 21:20:10,600 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 21:20:10,604 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 21:20:10,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 09:20:07" (1/3) ... [2019-11-26 21:20:10,605 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@209fde21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 09:20:10, skipping insertion in model container [2019-11-26 21:20:10,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 09:20:08" (2/3) ... [2019-11-26 21:20:10,606 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@209fde21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 09:20:10, skipping insertion in model container [2019-11-26 21:20:10,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 09:20:10" (3/3) ... [2019-11-26 21:20:10,608 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test17_2-2.i [2019-11-26 21:20:10,618 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 21:20:10,630 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 90 error locations. [2019-11-26 21:20:10,642 INFO L249 AbstractCegarLoop]: Starting to check reachability of 90 error locations. [2019-11-26 21:20:10,658 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 21:20:10,658 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-26 21:20:10,658 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 21:20:10,658 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 21:20:10,658 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 21:20:10,658 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 21:20:10,659 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 21:20:10,659 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 21:20:10,680 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states. [2019-11-26 21:20:10,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-26 21:20:10,692 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 21:20:10,693 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 21:20:10,695 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 21:20:10,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 21:20:10,701 INFO L82 PathProgramCache]: Analyzing trace with hash 78607545, now seen corresponding path program 1 times [2019-11-26 21:20:10,713 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 21:20:10,713 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [854078429] [2019-11-26 21:20:10,713 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-26 21:20:10,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 21:20:10,942 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-26 21:20:10,949 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 21:20:11,028 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-26 21:20:11,028 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 21:20:11,039 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:20:11,039 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-26 21:20:11,039 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-26 21:20:11,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:20:11,076 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 21:20:11,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:20:11,153 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [854078429] [2019-11-26 21:20:11,155 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 21:20:11,155 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-26 21:20:11,156 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952248431] [2019-11-26 21:20:11,167 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-26 21:20:11,169 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 21:20:11,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-26 21:20:11,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-26 21:20:11,191 INFO L87 Difference]: Start difference. First operand 153 states. Second operand 5 states. [2019-11-26 21:20:11,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 21:20:11,482 INFO L93 Difference]: Finished difference Result 93 states and 105 transitions. [2019-11-26 21:20:11,482 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-26 21:20:11,483 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-11-26 21:20:11,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 21:20:11,496 INFO L225 Difference]: With dead ends: 93 [2019-11-26 21:20:11,496 INFO L226 Difference]: Without dead ends: 90 [2019-11-26 21:20:11,498 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-26 21:20:11,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2019-11-26 21:20:11,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 86. [2019-11-26 21:20:11,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2019-11-26 21:20:11,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 98 transitions. [2019-11-26 21:20:11,553 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 98 transitions. Word has length 22 [2019-11-26 21:20:11,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 21:20:11,554 INFO L462 AbstractCegarLoop]: Abstraction has 86 states and 98 transitions. [2019-11-26 21:20:11,554 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-26 21:20:11,554 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 98 transitions. [2019-11-26 21:20:11,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-26 21:20:11,556 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 21:20:11,556 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 21:20:11,768 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-26 21:20:11,769 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 21:20:11,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 21:20:11,770 INFO L82 PathProgramCache]: Analyzing trace with hash 78607546, now seen corresponding path program 1 times [2019-11-26 21:20:11,771 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 21:20:11,771 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1987539148] [2019-11-26 21:20:11,772 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-26 21:20:11,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 21:20:11,911 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 18 conjunts are in the unsatisfiable core [2019-11-26 21:20:11,917 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 21:20:12,001 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-26 21:20:12,001 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 21:20:12,013 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:20:12,014 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-26 21:20:12,014 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-26 21:20:12,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:20:12,259 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 21:20:13,058 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 21:20:13,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:20:13,566 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1987539148] [2019-11-26 21:20:13,566 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 21:20:13,566 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 8] imperfect sequences [] total 17 [2019-11-26 21:20:13,566 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208029242] [2019-11-26 21:20:13,568 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-11-26 21:20:13,569 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 21:20:13,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-11-26 21:20:13,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2019-11-26 21:20:13,570 INFO L87 Difference]: Start difference. First operand 86 states and 98 transitions. Second operand 18 states. [2019-11-26 21:20:15,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 21:20:15,347 INFO L93 Difference]: Finished difference Result 98 states and 113 transitions. [2019-11-26 21:20:15,349 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-11-26 21:20:15,349 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 22 [2019-11-26 21:20:15,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 21:20:15,351 INFO L225 Difference]: With dead ends: 98 [2019-11-26 21:20:15,351 INFO L226 Difference]: Without dead ends: 98 [2019-11-26 21:20:15,353 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 24 SyntacticMatches, 3 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=94, Invalid=412, Unknown=0, NotChecked=0, Total=506 [2019-11-26 21:20:15,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2019-11-26 21:20:15,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 91. [2019-11-26 21:20:15,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2019-11-26 21:20:15,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 104 transitions. [2019-11-26 21:20:15,372 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 104 transitions. Word has length 22 [2019-11-26 21:20:15,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 21:20:15,372 INFO L462 AbstractCegarLoop]: Abstraction has 91 states and 104 transitions. [2019-11-26 21:20:15,372 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-11-26 21:20:15,373 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 104 transitions. [2019-11-26 21:20:15,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-26 21:20:15,374 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 21:20:15,374 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 21:20:15,595 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-26 21:20:15,595 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 21:20:15,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 21:20:15,596 INFO L82 PathProgramCache]: Analyzing trace with hash 966111226, now seen corresponding path program 1 times [2019-11-26 21:20:15,597 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 21:20:15,597 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [126358563] [2019-11-26 21:20:15,597 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-11-26 21:20:15,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 21:20:15,713 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-26 21:20:15,715 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 21:20:15,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:20:15,744 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 21:20:15,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:20:15,783 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [126358563] [2019-11-26 21:20:15,783 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 21:20:15,783 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-26 21:20:15,783 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737234009] [2019-11-26 21:20:15,784 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-26 21:20:15,784 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 21:20:15,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-26 21:20:15,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-26 21:20:15,784 INFO L87 Difference]: Start difference. First operand 91 states and 104 transitions. Second operand 5 states. [2019-11-26 21:20:15,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 21:20:15,835 INFO L93 Difference]: Finished difference Result 90 states and 100 transitions. [2019-11-26 21:20:15,835 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-26 21:20:15,836 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-11-26 21:20:15,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 21:20:15,837 INFO L225 Difference]: With dead ends: 90 [2019-11-26 21:20:15,837 INFO L226 Difference]: Without dead ends: 90 [2019-11-26 21:20:15,838 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-26 21:20:15,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2019-11-26 21:20:15,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 88. [2019-11-26 21:20:15,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2019-11-26 21:20:15,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 98 transitions. [2019-11-26 21:20:15,848 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 98 transitions. Word has length 22 [2019-11-26 21:20:15,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 21:20:15,849 INFO L462 AbstractCegarLoop]: Abstraction has 88 states and 98 transitions. [2019-11-26 21:20:15,849 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-26 21:20:15,849 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 98 transitions. [2019-11-26 21:20:15,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-26 21:20:15,850 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 21:20:15,851 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 21:20:16,064 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-26 21:20:16,065 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 21:20:16,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 21:20:16,065 INFO L82 PathProgramCache]: Analyzing trace with hash -1857306545, now seen corresponding path program 1 times [2019-11-26 21:20:16,066 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 21:20:16,066 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [526788745] [2019-11-26 21:20:16,066 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-11-26 21:20:16,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 21:20:16,174 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-26 21:20:16,175 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 21:20:16,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:20:16,202 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 21:20:16,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:20:16,295 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [526788745] [2019-11-26 21:20:16,296 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 21:20:16,296 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-26 21:20:16,296 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442832520] [2019-11-26 21:20:16,296 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-26 21:20:16,299 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 21:20:16,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-26 21:20:16,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-26 21:20:16,300 INFO L87 Difference]: Start difference. First operand 88 states and 98 transitions. Second operand 5 states. [2019-11-26 21:20:16,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 21:20:16,349 INFO L93 Difference]: Finished difference Result 90 states and 99 transitions. [2019-11-26 21:20:16,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-26 21:20:16,350 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-11-26 21:20:16,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 21:20:16,352 INFO L225 Difference]: With dead ends: 90 [2019-11-26 21:20:16,352 INFO L226 Difference]: Without dead ends: 90 [2019-11-26 21:20:16,352 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-26 21:20:16,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2019-11-26 21:20:16,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 88. [2019-11-26 21:20:16,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2019-11-26 21:20:16,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 97 transitions. [2019-11-26 21:20:16,360 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 97 transitions. Word has length 23 [2019-11-26 21:20:16,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 21:20:16,361 INFO L462 AbstractCegarLoop]: Abstraction has 88 states and 97 transitions. [2019-11-26 21:20:16,361 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-26 21:20:16,361 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 97 transitions. [2019-11-26 21:20:16,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-26 21:20:16,362 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 21:20:16,362 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 21:20:16,570 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-26 21:20:16,571 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 21:20:16,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 21:20:16,572 INFO L82 PathProgramCache]: Analyzing trace with hash -114496210, now seen corresponding path program 1 times [2019-11-26 21:20:16,573 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 21:20:16,574 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1169629434] [2019-11-26 21:20:16,574 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-11-26 21:20:16,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 21:20:16,691 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-26 21:20:16,693 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 21:20:16,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:20:16,705 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 21:20:16,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:20:16,764 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1169629434] [2019-11-26 21:20:16,765 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 21:20:16,765 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-26 21:20:16,765 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792393924] [2019-11-26 21:20:16,765 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 21:20:16,766 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 21:20:16,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 21:20:16,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 21:20:16,766 INFO L87 Difference]: Start difference. First operand 88 states and 97 transitions. Second operand 3 states. [2019-11-26 21:20:16,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 21:20:16,923 INFO L93 Difference]: Finished difference Result 126 states and 140 transitions. [2019-11-26 21:20:16,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 21:20:16,923 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2019-11-26 21:20:16,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 21:20:16,925 INFO L225 Difference]: With dead ends: 126 [2019-11-26 21:20:16,926 INFO L226 Difference]: Without dead ends: 121 [2019-11-26 21:20:16,926 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 21:20:16,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2019-11-26 21:20:16,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 86. [2019-11-26 21:20:16,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2019-11-26 21:20:16,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 94 transitions. [2019-11-26 21:20:16,934 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 94 transitions. Word has length 23 [2019-11-26 21:20:16,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 21:20:16,935 INFO L462 AbstractCegarLoop]: Abstraction has 86 states and 94 transitions. [2019-11-26 21:20:16,935 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 21:20:16,935 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 94 transitions. [2019-11-26 21:20:16,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-26 21:20:16,936 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 21:20:16,936 INFO L410 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 21:20:17,147 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-11-26 21:20:17,148 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 21:20:17,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 21:20:17,149 INFO L82 PathProgramCache]: Analyzing trace with hash -121920454, now seen corresponding path program 1 times [2019-11-26 21:20:17,150 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 21:20:17,151 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2001683807] [2019-11-26 21:20:17,151 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2019-11-26 21:20:17,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 21:20:17,292 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 21 conjunts are in the unsatisfiable core [2019-11-26 21:20:17,294 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 21:20:17,355 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-26 21:20:17,355 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 21:20:17,363 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:20:17,364 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-26 21:20:17,364 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-26 21:20:17,744 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:20:17,745 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 21:20:19,234 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-26 21:20:19,598 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2019-11-26 21:20:20,045 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:20:20,046 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2001683807] [2019-11-26 21:20:20,046 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-26 21:20:20,046 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11] total 23 [2019-11-26 21:20:20,047 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414767182] [2019-11-26 21:20:20,047 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2019-11-26 21:20:20,048 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 21:20:20,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2019-11-26 21:20:20,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=458, Unknown=0, NotChecked=0, Total=552 [2019-11-26 21:20:20,049 INFO L87 Difference]: Start difference. First operand 86 states and 94 transitions. Second operand 24 states. [2019-11-26 21:20:21,873 WARN L192 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2019-11-26 21:20:22,237 WARN L192 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 28 [2019-11-26 21:20:22,628 WARN L192 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2019-11-26 21:20:22,925 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 28 [2019-11-26 21:20:24,029 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2019-11-26 21:20:24,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 21:20:24,605 INFO L93 Difference]: Finished difference Result 101 states and 116 transitions. [2019-11-26 21:20:24,607 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-11-26 21:20:24,607 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 28 [2019-11-26 21:20:24,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 21:20:24,609 INFO L225 Difference]: With dead ends: 101 [2019-11-26 21:20:24,609 INFO L226 Difference]: Without dead ends: 101 [2019-11-26 21:20:24,610 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 30 SyntacticMatches, 3 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 219 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=252, Invalid=938, Unknown=0, NotChecked=0, Total=1190 [2019-11-26 21:20:24,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2019-11-26 21:20:24,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 98. [2019-11-26 21:20:24,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2019-11-26 21:20:24,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 110 transitions. [2019-11-26 21:20:24,618 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 110 transitions. Word has length 28 [2019-11-26 21:20:24,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 21:20:24,619 INFO L462 AbstractCegarLoop]: Abstraction has 98 states and 110 transitions. [2019-11-26 21:20:24,619 INFO L463 AbstractCegarLoop]: Interpolant automaton has 24 states. [2019-11-26 21:20:24,619 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 110 transitions. [2019-11-26 21:20:24,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-26 21:20:24,620 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 21:20:24,621 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 21:20:24,828 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-11-26 21:20:24,829 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 21:20:24,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 21:20:24,831 INFO L82 PathProgramCache]: Analyzing trace with hash -1984551823, now seen corresponding path program 1 times [2019-11-26 21:20:24,832 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 21:20:24,832 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1477072897] [2019-11-26 21:20:24,832 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2019-11-26 21:20:24,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 21:20:24,972 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-26 21:20:24,974 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 21:20:24,985 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-26 21:20:24,986 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 21:20:24,989 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:20:24,989 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-26 21:20:24,989 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-26 21:20:25,052 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-26 21:20:25,052 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 21:20:25,142 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-26 21:20:25,142 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1477072897] [2019-11-26 21:20:25,143 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 21:20:25,143 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 8 [2019-11-26 21:20:25,143 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422641915] [2019-11-26 21:20:25,143 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-26 21:20:25,143 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 21:20:25,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-26 21:20:25,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2019-11-26 21:20:25,144 INFO L87 Difference]: Start difference. First operand 98 states and 110 transitions. Second operand 9 states. [2019-11-26 21:20:25,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 21:20:25,999 INFO L93 Difference]: Finished difference Result 165 states and 186 transitions. [2019-11-26 21:20:25,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-26 21:20:26,000 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 35 [2019-11-26 21:20:26,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 21:20:26,003 INFO L225 Difference]: With dead ends: 165 [2019-11-26 21:20:26,003 INFO L226 Difference]: Without dead ends: 165 [2019-11-26 21:20:26,004 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 60 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2019-11-26 21:20:26,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2019-11-26 21:20:26,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 115. [2019-11-26 21:20:26,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2019-11-26 21:20:26,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 134 transitions. [2019-11-26 21:20:26,014 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 134 transitions. Word has length 35 [2019-11-26 21:20:26,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 21:20:26,015 INFO L462 AbstractCegarLoop]: Abstraction has 115 states and 134 transitions. [2019-11-26 21:20:26,015 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-26 21:20:26,015 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 134 transitions. [2019-11-26 21:20:26,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-26 21:20:26,016 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 21:20:26,017 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 21:20:26,231 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-11-26 21:20:26,231 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 21:20:26,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 21:20:26,233 INFO L82 PathProgramCache]: Analyzing trace with hash -1984551822, now seen corresponding path program 1 times [2019-11-26 21:20:26,234 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 21:20:26,235 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2028422873] [2019-11-26 21:20:26,235 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2019-11-26 21:20:26,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 21:20:26,457 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 25 conjunts are in the unsatisfiable core [2019-11-26 21:20:26,466 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 21:20:26,529 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-26 21:20:26,529 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 21:20:26,539 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:20:26,540 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-26 21:20:26,540 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-26 21:20:26,984 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:20:26,984 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 21:20:27,445 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 21:20:28,253 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:20:28,254 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2028422873] [2019-11-26 21:20:28,254 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-26 21:20:28,255 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [12] total 20 [2019-11-26 21:20:28,255 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461904328] [2019-11-26 21:20:28,255 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-26 21:20:28,256 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 21:20:28,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-26 21:20:28,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=367, Unknown=0, NotChecked=0, Total=420 [2019-11-26 21:20:28,257 INFO L87 Difference]: Start difference. First operand 115 states and 134 transitions. Second operand 10 states. [2019-11-26 21:20:34,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 21:20:34,329 INFO L93 Difference]: Finished difference Result 151 states and 177 transitions. [2019-11-26 21:20:34,331 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-26 21:20:34,331 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 35 [2019-11-26 21:20:34,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 21:20:34,332 INFO L225 Difference]: With dead ends: 151 [2019-11-26 21:20:34,333 INFO L226 Difference]: Without dead ends: 151 [2019-11-26 21:20:34,333 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 49 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=79, Invalid=571, Unknown=0, NotChecked=0, Total=650 [2019-11-26 21:20:34,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2019-11-26 21:20:34,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 134. [2019-11-26 21:20:34,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-11-26 21:20:34,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 161 transitions. [2019-11-26 21:20:34,343 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 161 transitions. Word has length 35 [2019-11-26 21:20:34,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 21:20:34,343 INFO L462 AbstractCegarLoop]: Abstraction has 134 states and 161 transitions. [2019-11-26 21:20:34,344 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-26 21:20:34,344 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 161 transitions. [2019-11-26 21:20:34,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-26 21:20:34,345 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 21:20:34,345 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-11-26 21:20:34,557 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-11-26 21:20:34,558 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 21:20:34,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 21:20:34,558 INFO L82 PathProgramCache]: Analyzing trace with hash -1643543858, now seen corresponding path program 1 times [2019-11-26 21:20:34,558 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 21:20:34,559 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1226756163] [2019-11-26 21:20:34,559 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2019-11-26 21:20:34,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 21:20:34,709 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-26 21:20:34,711 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 21:20:34,720 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-26 21:20:34,721 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 21:20:34,723 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:20:34,723 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-26 21:20:34,723 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-26 21:20:34,826 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:20:34,827 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 39 [2019-11-26 21:20:34,828 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 21:20:34,849 INFO L588 ElimStorePlain]: treesize reduction 14, result has 51.7 percent of original size [2019-11-26 21:20:34,850 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-26 21:20:34,850 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:15 [2019-11-26 21:20:34,875 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-26 21:20:34,876 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 21:20:35,252 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-26 21:20:35,252 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1226756163] [2019-11-26 21:20:35,252 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-26 21:20:35,252 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2019-11-26 21:20:35,253 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393550530] [2019-11-26 21:20:35,253 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-11-26 21:20:35,253 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 21:20:35,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-11-26 21:20:35,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2019-11-26 21:20:35,254 INFO L87 Difference]: Start difference. First operand 134 states and 161 transitions. Second operand 17 states. [2019-11-26 21:20:38,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 21:20:38,580 INFO L93 Difference]: Finished difference Result 179 states and 212 transitions. [2019-11-26 21:20:38,581 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-26 21:20:38,581 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 35 [2019-11-26 21:20:38,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 21:20:38,583 INFO L225 Difference]: With dead ends: 179 [2019-11-26 21:20:38,583 INFO L226 Difference]: Without dead ends: 179 [2019-11-26 21:20:38,584 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=94, Invalid=458, Unknown=0, NotChecked=0, Total=552 [2019-11-26 21:20:38,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2019-11-26 21:20:38,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 143. [2019-11-26 21:20:38,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2019-11-26 21:20:38,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 177 transitions. [2019-11-26 21:20:38,593 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 177 transitions. Word has length 35 [2019-11-26 21:20:38,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 21:20:38,593 INFO L462 AbstractCegarLoop]: Abstraction has 143 states and 177 transitions. [2019-11-26 21:20:38,593 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-11-26 21:20:38,594 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 177 transitions. [2019-11-26 21:20:38,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-26 21:20:38,595 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 21:20:38,595 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-11-26 21:20:38,816 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2019-11-26 21:20:38,817 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 21:20:38,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 21:20:38,817 INFO L82 PathProgramCache]: Analyzing trace with hash -1643543857, now seen corresponding path program 1 times [2019-11-26 21:20:38,819 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 21:20:38,819 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2001319486] [2019-11-26 21:20:38,819 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2019-11-26 21:20:38,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 21:20:38,979 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 36 conjunts are in the unsatisfiable core [2019-11-26 21:20:38,982 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 21:20:39,022 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-26 21:20:39,023 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 21:20:39,030 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:20:39,036 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-26 21:20:39,036 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-26 21:20:39,045 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:20:39,046 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-26 21:20:39,046 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-11-26 21:20:41,525 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:20:41,527 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 17 [2019-11-26 21:20:41,527 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 21:20:41,581 INFO L588 ElimStorePlain]: treesize reduction 3, result has 91.2 percent of original size [2019-11-26 21:20:41,586 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2019-11-26 21:20:41,587 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-26 21:20:41,610 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:20:41,611 INFO L508 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-26 21:20:41,611 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:42, output treesize:21 [2019-11-26 21:20:41,671 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:20:41,671 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 21:20:41,941 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 21:20:42,259 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 21:20:42,260 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 21:20:42,261 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 21:20:47,085 WARN L192 SmtUtils]: Spent 3.38 s on a formula simplification. DAG size of input: 38 DAG size of output: 32 [2019-11-26 21:20:47,090 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 21:20:56,602 INFO L404 ElimStorePlain]: Different costs {1=[|v_#valid_249|], 2=[|v_#length_204|]} [2019-11-26 21:20:56,627 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-26 21:20:56,628 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 21:20:56,629 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:20:56,629 INFO L476 ElimStorePlain]: Eliminatee |v_#length_204| vanished before elimination [2019-11-26 21:20:56,630 INFO L508 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-26 21:20:56,630 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:30, output treesize:1 [2019-11-26 21:20:56,631 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 21:20:57,289 INFO L404 ElimStorePlain]: Different costs {1=[|#valid|], 2=[|#length|]} [2019-11-26 21:20:57,297 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-11-26 21:20:57,298 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 21:20:57,320 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:20:57,323 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-26 21:20:57,323 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-26 21:20:57,344 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:20:57,345 INFO L508 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-26 21:20:57,346 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:34, output treesize:17 [2019-11-26 21:20:57,555 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:20:57,555 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2001319486] [2019-11-26 21:20:57,555 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-26 21:20:57,555 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14] total 29 [2019-11-26 21:20:57,556 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105952798] [2019-11-26 21:20:57,556 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2019-11-26 21:20:57,556 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 21:20:57,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2019-11-26 21:20:57,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=770, Unknown=2, NotChecked=0, Total=870 [2019-11-26 21:20:57,558 INFO L87 Difference]: Start difference. First operand 143 states and 177 transitions. Second operand 30 states. [2019-11-26 21:21:16,459 WARN L192 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2019-11-26 21:21:17,500 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2019-11-26 21:21:22,740 WARN L192 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2019-11-26 21:21:26,399 WARN L192 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 16 [2019-11-26 21:21:36,870 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 24 [2019-11-26 21:22:01,856 WARN L192 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2019-11-26 21:22:03,394 WARN L192 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2019-11-26 21:22:17,802 WARN L192 SmtUtils]: Spent 11.15 s on a formula simplification that was a NOOP. DAG size: 111 [2019-11-26 21:22:54,743 WARN L192 SmtUtils]: Spent 6.19 s on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2019-11-26 21:22:55,660 WARN L192 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2019-11-26 21:23:02,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 21:23:02,468 INFO L93 Difference]: Finished difference Result 354 states and 429 transitions. [2019-11-26 21:23:02,469 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2019-11-26 21:23:02,469 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 35 [2019-11-26 21:23:02,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 21:23:02,472 INFO L225 Difference]: With dead ends: 354 [2019-11-26 21:23:02,472 INFO L226 Difference]: Without dead ends: 354 [2019-11-26 21:23:02,473 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 38 SyntacticMatches, 4 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 549 ImplicationChecksByTransitivity, 60.1s TimeCoverageRelationStatistics Valid=303, Invalid=2556, Unknown=3, NotChecked=0, Total=2862 [2019-11-26 21:23:02,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2019-11-26 21:23:02,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 220. [2019-11-26 21:23:02,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2019-11-26 21:23:02,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 298 transitions. [2019-11-26 21:23:02,503 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 298 transitions. Word has length 35 [2019-11-26 21:23:02,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 21:23:02,504 INFO L462 AbstractCegarLoop]: Abstraction has 220 states and 298 transitions. [2019-11-26 21:23:02,504 INFO L463 AbstractCegarLoop]: Interpolant automaton has 30 states. [2019-11-26 21:23:02,504 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 298 transitions. [2019-11-26 21:23:02,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-26 21:23:02,506 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 21:23:02,506 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 21:23:02,725 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2019-11-26 21:23:02,727 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 21:23:02,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 21:23:02,728 INFO L82 PathProgramCache]: Analyzing trace with hash -1391563981, now seen corresponding path program 1 times [2019-11-26 21:23:02,728 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 21:23:02,728 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [783121360] [2019-11-26 21:23:02,729 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2019-11-26 21:23:02,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 21:23:02,878 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-26 21:23:02,880 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 21:23:02,890 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-26 21:23:02,890 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 21:23:02,893 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:23:02,893 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-26 21:23:02,894 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2019-11-26 21:23:02,946 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2019-11-26 21:23:02,947 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 21:23:02,948 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:23:02,949 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-26 21:23:02,949 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:15, output treesize:3 [2019-11-26 21:23:02,962 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:23:02,962 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 21:23:03,078 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2019-11-26 21:23:03,082 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2019-11-26 21:23:03,083 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-26 21:23:03,085 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:23:03,085 INFO L508 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-26 21:23:03,087 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:23:03,088 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-26 21:23:03,088 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:14, output treesize:7 [2019-11-26 21:23:03,122 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:23:03,122 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [783121360] [2019-11-26 21:23:03,122 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-26 21:23:03,123 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2019-11-26 21:23:03,123 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73720839] [2019-11-26 21:23:03,123 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-26 21:23:03,123 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 21:23:03,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-26 21:23:03,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-11-26 21:23:03,124 INFO L87 Difference]: Start difference. First operand 220 states and 298 transitions. Second operand 11 states. [2019-11-26 21:23:04,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 21:23:04,055 INFO L93 Difference]: Finished difference Result 332 states and 441 transitions. [2019-11-26 21:23:04,057 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-26 21:23:04,057 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 36 [2019-11-26 21:23:04,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 21:23:04,060 INFO L225 Difference]: With dead ends: 332 [2019-11-26 21:23:04,061 INFO L226 Difference]: Without dead ends: 332 [2019-11-26 21:23:04,061 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2019-11-26 21:23:04,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2019-11-26 21:23:04,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 265. [2019-11-26 21:23:04,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2019-11-26 21:23:04,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 364 transitions. [2019-11-26 21:23:04,074 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 364 transitions. Word has length 36 [2019-11-26 21:23:04,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 21:23:04,074 INFO L462 AbstractCegarLoop]: Abstraction has 265 states and 364 transitions. [2019-11-26 21:23:04,075 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-26 21:23:04,075 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 364 transitions. [2019-11-26 21:23:04,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-26 21:23:04,076 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 21:23:04,077 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 21:23:04,288 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2019-11-26 21:23:04,289 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 21:23:04,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 21:23:04,290 INFO L82 PathProgramCache]: Analyzing trace with hash -188809999, now seen corresponding path program 1 times [2019-11-26 21:23:04,290 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 21:23:04,291 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [724291398] [2019-11-26 21:23:04,291 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 13 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with mathsat -unsat_core_generation=3 [2019-11-26 21:23:04,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 21:23:04,431 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-26 21:23:04,432 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 21:23:04,481 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-26 21:23:04,481 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 21:23:04,489 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:23:04,489 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-26 21:23:04,489 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:11 [2019-11-26 21:23:04,596 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2019-11-26 21:23:04,596 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 21:23:04,604 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:23:04,605 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-26 21:23:04,605 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:18, output treesize:7 [2019-11-26 21:23:04,640 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:23:04,640 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 21:23:04,903 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2019-11-26 21:23:04,907 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 24 [2019-11-26 21:23:04,908 INFO L508 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-26 21:23:04,946 INFO L588 ElimStorePlain]: treesize reduction 9, result has 62.5 percent of original size [2019-11-26 21:23:04,946 INFO L508 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-26 21:23:04,962 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:23:04,963 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-26 21:23:04,963 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:14, output treesize:15 [2019-11-26 21:23:05,047 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:23:05,047 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [724291398] [2019-11-26 21:23:05,047 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-26 21:23:05,047 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2019-11-26 21:23:05,047 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091668430] [2019-11-26 21:23:05,048 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-26 21:23:05,048 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 21:23:05,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-26 21:23:05,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2019-11-26 21:23:05,049 INFO L87 Difference]: Start difference. First operand 265 states and 364 transitions. Second operand 15 states. [2019-11-26 21:23:08,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 21:23:08,039 INFO L93 Difference]: Finished difference Result 353 states and 444 transitions. [2019-11-26 21:23:08,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-11-26 21:23:08,045 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 37 [2019-11-26 21:23:08,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 21:23:08,048 INFO L225 Difference]: With dead ends: 353 [2019-11-26 21:23:08,051 INFO L226 Difference]: Without dead ends: 353 [2019-11-26 21:23:08,051 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=183, Invalid=629, Unknown=0, NotChecked=0, Total=812 [2019-11-26 21:23:08,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2019-11-26 21:23:08,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 277. [2019-11-26 21:23:08,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 277 states. [2019-11-26 21:23:08,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 381 transitions. [2019-11-26 21:23:08,066 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 381 transitions. Word has length 37 [2019-11-26 21:23:08,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 21:23:08,067 INFO L462 AbstractCegarLoop]: Abstraction has 277 states and 381 transitions. [2019-11-26 21:23:08,067 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-26 21:23:08,067 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 381 transitions. [2019-11-26 21:23:08,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-26 21:23:08,068 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 21:23:08,069 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-11-26 21:23:08,280 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 mathsat -unsat_core_generation=3 [2019-11-26 21:23:08,281 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 21:23:08,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 21:23:08,282 INFO L82 PathProgramCache]: Analyzing trace with hash 1102273563, now seen corresponding path program 1 times [2019-11-26 21:23:08,282 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 21:23:08,282 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1460021928] [2019-11-26 21:23:08,283 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 14 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with mathsat -unsat_core_generation=3 [2019-11-26 21:23:08,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 21:23:08,424 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-26 21:23:08,425 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 21:23:08,448 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-26 21:23:08,448 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 21:23:08,482 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-26 21:23:08,482 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1460021928] [2019-11-26 21:23:08,483 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 21:23:08,483 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-26 21:23:08,483 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295930125] [2019-11-26 21:23:08,483 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-26 21:23:08,483 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 21:23:08,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-26 21:23:08,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-26 21:23:08,484 INFO L87 Difference]: Start difference. First operand 277 states and 381 transitions. Second operand 5 states. [2019-11-26 21:23:08,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 21:23:08,542 INFO L93 Difference]: Finished difference Result 291 states and 399 transitions. [2019-11-26 21:23:08,543 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-26 21:23:08,543 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2019-11-26 21:23:08,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 21:23:08,545 INFO L225 Difference]: With dead ends: 291 [2019-11-26 21:23:08,546 INFO L226 Difference]: Without dead ends: 291 [2019-11-26 21:23:08,546 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-26 21:23:08,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2019-11-26 21:23:08,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 274. [2019-11-26 21:23:08,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2019-11-26 21:23:08,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 375 transitions. [2019-11-26 21:23:08,558 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 375 transitions. Word has length 37 [2019-11-26 21:23:08,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 21:23:08,559 INFO L462 AbstractCegarLoop]: Abstraction has 274 states and 375 transitions. [2019-11-26 21:23:08,559 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-26 21:23:08,559 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 375 transitions. [2019-11-26 21:23:08,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-26 21:23:08,560 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 21:23:08,561 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-11-26 21:23:08,772 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 mathsat -unsat_core_generation=3 [2019-11-26 21:23:08,773 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 21:23:08,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 21:23:08,774 INFO L82 PathProgramCache]: Analyzing trace with hash -1449883398, now seen corresponding path program 1 times [2019-11-26 21:23:08,774 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 21:23:08,774 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [791133233] [2019-11-26 21:23:08,774 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 15 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with mathsat -unsat_core_generation=3 [2019-11-26 21:23:08,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 21:23:08,912 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-26 21:23:08,914 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 21:23:08,929 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-26 21:23:08,929 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 21:23:08,964 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-26 21:23:08,964 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [791133233] [2019-11-26 21:23:08,964 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 21:23:08,964 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-11-26 21:23:08,965 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756889883] [2019-11-26 21:23:08,965 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-26 21:23:08,965 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 21:23:08,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-26 21:23:08,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-26 21:23:08,965 INFO L87 Difference]: Start difference. First operand 274 states and 375 transitions. Second operand 6 states. [2019-11-26 21:23:09,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 21:23:09,065 INFO L93 Difference]: Finished difference Result 252 states and 328 transitions. [2019-11-26 21:23:09,065 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-26 21:23:09,066 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2019-11-26 21:23:09,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 21:23:09,067 INFO L225 Difference]: With dead ends: 252 [2019-11-26 21:23:09,067 INFO L226 Difference]: Without dead ends: 252 [2019-11-26 21:23:09,068 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-26 21:23:09,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2019-11-26 21:23:09,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 239. [2019-11-26 21:23:09,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2019-11-26 21:23:09,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 315 transitions. [2019-11-26 21:23:09,077 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 315 transitions. Word has length 37 [2019-11-26 21:23:09,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 21:23:09,078 INFO L462 AbstractCegarLoop]: Abstraction has 239 states and 315 transitions. [2019-11-26 21:23:09,078 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-26 21:23:09,078 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 315 transitions. [2019-11-26 21:23:09,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-26 21:23:09,079 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 21:23:09,079 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 21:23:09,290 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 mathsat -unsat_core_generation=3 [2019-11-26 21:23:09,291 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 21:23:09,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 21:23:09,291 INFO L82 PathProgramCache]: Analyzing trace with hash -1559450878, now seen corresponding path program 1 times [2019-11-26 21:23:09,292 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 21:23:09,292 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1177612962] [2019-11-26 21:23:09,292 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 16 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with mathsat -unsat_core_generation=3 [2019-11-26 21:23:09,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 21:23:09,433 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-26 21:23:09,436 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 21:23:09,584 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-26 21:23:09,584 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 21:23:09,714 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-26 21:23:09,715 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1177612962] [2019-11-26 21:23:09,715 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 21:23:09,715 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 4] imperfect sequences [] total 9 [2019-11-26 21:23:09,715 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822172604] [2019-11-26 21:23:09,716 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-26 21:23:09,716 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 21:23:09,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-26 21:23:09,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2019-11-26 21:23:09,716 INFO L87 Difference]: Start difference. First operand 239 states and 315 transitions. Second operand 10 states. [2019-11-26 21:23:10,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 21:23:10,022 INFO L93 Difference]: Finished difference Result 242 states and 317 transitions. [2019-11-26 21:23:10,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-26 21:23:10,023 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 38 [2019-11-26 21:23:10,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 21:23:10,026 INFO L225 Difference]: With dead ends: 242 [2019-11-26 21:23:10,026 INFO L226 Difference]: Without dead ends: 240 [2019-11-26 21:23:10,026 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 64 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2019-11-26 21:23:10,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2019-11-26 21:23:10,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 240. [2019-11-26 21:23:10,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2019-11-26 21:23:10,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 315 transitions. [2019-11-26 21:23:10,035 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 315 transitions. Word has length 38 [2019-11-26 21:23:10,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 21:23:10,036 INFO L462 AbstractCegarLoop]: Abstraction has 240 states and 315 transitions. [2019-11-26 21:23:10,036 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-26 21:23:10,036 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 315 transitions. [2019-11-26 21:23:10,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-26 21:23:10,037 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 21:23:10,037 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-11-26 21:23:10,248 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 mathsat -unsat_core_generation=3 [2019-11-26 21:23:10,249 INFO L410 AbstractCegarLoop]: === Iteration 16 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 21:23:10,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 21:23:10,250 INFO L82 PathProgramCache]: Analyzing trace with hash -2061012070, now seen corresponding path program 1 times [2019-11-26 21:23:10,250 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 21:23:10,251 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1310930901] [2019-11-26 21:23:10,251 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 17 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with mathsat -unsat_core_generation=3 [2019-11-26 21:23:10,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 21:23:10,408 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-26 21:23:10,409 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 21:23:10,444 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-26 21:23:10,444 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 21:23:10,489 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-26 21:23:10,489 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1310930901] [2019-11-26 21:23:10,489 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 21:23:10,489 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-26 21:23:10,490 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740480185] [2019-11-26 21:23:10,490 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-26 21:23:10,490 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 21:23:10,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-26 21:23:10,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-26 21:23:10,491 INFO L87 Difference]: Start difference. First operand 240 states and 315 transitions. Second operand 5 states. [2019-11-26 21:23:10,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 21:23:10,524 INFO L93 Difference]: Finished difference Result 212 states and 266 transitions. [2019-11-26 21:23:10,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-26 21:23:10,526 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2019-11-26 21:23:10,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 21:23:10,527 INFO L225 Difference]: With dead ends: 212 [2019-11-26 21:23:10,527 INFO L226 Difference]: Without dead ends: 212 [2019-11-26 21:23:10,528 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-26 21:23:10,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2019-11-26 21:23:10,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 208. [2019-11-26 21:23:10,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2019-11-26 21:23:10,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 261 transitions. [2019-11-26 21:23:10,535 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 261 transitions. Word has length 38 [2019-11-26 21:23:10,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 21:23:10,535 INFO L462 AbstractCegarLoop]: Abstraction has 208 states and 261 transitions. [2019-11-26 21:23:10,535 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-26 21:23:10,535 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 261 transitions. [2019-11-26 21:23:10,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-26 21:23:10,536 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 21:23:10,536 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-11-26 21:23:10,747 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 mathsat -unsat_core_generation=3 [2019-11-26 21:23:10,749 INFO L410 AbstractCegarLoop]: === Iteration 17 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 21:23:10,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 21:23:10,749 INFO L82 PathProgramCache]: Analyzing trace with hash 1392141398, now seen corresponding path program 1 times [2019-11-26 21:23:10,750 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 21:23:10,750 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2127558732] [2019-11-26 21:23:10,751 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 18 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with mathsat -unsat_core_generation=3 [2019-11-26 21:23:10,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 21:23:10,986 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-26 21:23:10,987 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 21:23:11,134 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 21:23:11,134 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 21:23:11,385 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 21:23:11,385 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2127558732] [2019-11-26 21:23:11,386 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-26 21:23:11,386 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 15 [2019-11-26 21:23:11,386 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905407036] [2019-11-26 21:23:11,386 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-26 21:23:11,386 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 21:23:11,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-26 21:23:11,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2019-11-26 21:23:11,387 INFO L87 Difference]: Start difference. First operand 208 states and 261 transitions. Second operand 15 states. [2019-11-26 21:23:11,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 21:23:11,741 INFO L93 Difference]: Finished difference Result 209 states and 259 transitions. [2019-11-26 21:23:11,743 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-26 21:23:11,743 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 41 [2019-11-26 21:23:11,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 21:23:11,745 INFO L225 Difference]: With dead ends: 209 [2019-11-26 21:23:11,745 INFO L226 Difference]: Without dead ends: 203 [2019-11-26 21:23:11,745 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 67 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2019-11-26 21:23:11,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2019-11-26 21:23:11,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 184. [2019-11-26 21:23:11,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2019-11-26 21:23:11,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 228 transitions. [2019-11-26 21:23:11,753 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 228 transitions. Word has length 41 [2019-11-26 21:23:11,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 21:23:11,754 INFO L462 AbstractCegarLoop]: Abstraction has 184 states and 228 transitions. [2019-11-26 21:23:11,754 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-26 21:23:11,754 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 228 transitions. [2019-11-26 21:23:11,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-26 21:23:11,755 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 21:23:11,755 INFO L410 BasicCegarLoop]: trace histogram [7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 21:23:11,965 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 mathsat -unsat_core_generation=3 [2019-11-26 21:23:11,966 INFO L410 AbstractCegarLoop]: === Iteration 18 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 21:23:11,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 21:23:11,966 INFO L82 PathProgramCache]: Analyzing trace with hash -41475270, now seen corresponding path program 2 times [2019-11-26 21:23:11,967 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 21:23:11,967 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2146415127] [2019-11-26 21:23:11,968 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 19 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with mathsat -unsat_core_generation=3 [2019-11-26 21:23:12,122 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-26 21:23:12,122 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-26 21:23:12,128 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 24 conjunts are in the unsatisfiable core [2019-11-26 21:23:12,130 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 21:23:12,166 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-26 21:23:12,166 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 21:23:12,178 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:23:12,178 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-26 21:23:12,178 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-26 21:23:12,732 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:23:12,732 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 21:23:15,194 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 21:23:15,941 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:23:15,941 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2146415127] [2019-11-26 21:23:15,941 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-26 21:23:15,941 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14] total 29 [2019-11-26 21:23:15,942 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70241498] [2019-11-26 21:23:15,942 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2019-11-26 21:23:15,942 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 21:23:15,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2019-11-26 21:23:15,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=722, Unknown=0, NotChecked=0, Total=870 [2019-11-26 21:23:15,943 INFO L87 Difference]: Start difference. First operand 184 states and 228 transitions. Second operand 30 states. [2019-11-26 21:23:19,876 WARN L192 SmtUtils]: Spent 1.86 s on a formula simplification that was a NOOP. DAG size: 29 [2019-11-26 21:23:23,211 WARN L192 SmtUtils]: Spent 868.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 40 [2019-11-26 21:23:24,068 WARN L192 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 28 [2019-11-26 21:23:26,049 WARN L192 SmtUtils]: Spent 793.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 40 [2019-11-26 21:23:27,438 WARN L192 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 28 [2019-11-26 21:23:29,629 WARN L192 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 39 [2019-11-26 21:23:31,089 WARN L192 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 27 [2019-11-26 21:23:32,968 WARN L192 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 40 [2019-11-26 21:23:34,237 WARN L192 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 28 [2019-11-26 21:23:36,182 WARN L192 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2019-11-26 21:23:37,197 WARN L192 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 28 [2019-11-26 21:23:37,992 WARN L192 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2019-11-26 21:23:38,631 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 28 [2019-11-26 21:23:40,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 21:23:40,618 INFO L93 Difference]: Finished difference Result 218 states and 300 transitions. [2019-11-26 21:23:40,623 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2019-11-26 21:23:40,623 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 40 [2019-11-26 21:23:40,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 21:23:40,625 INFO L225 Difference]: With dead ends: 218 [2019-11-26 21:23:40,625 INFO L226 Difference]: Without dead ends: 218 [2019-11-26 21:23:40,627 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 48 SyntacticMatches, 3 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 740 ImplicationChecksByTransitivity, 23.9s TimeCoverageRelationStatistics Valid=746, Invalid=2676, Unknown=0, NotChecked=0, Total=3422 [2019-11-26 21:23:40,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2019-11-26 21:23:40,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 208. [2019-11-26 21:23:40,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2019-11-26 21:23:40,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 260 transitions. [2019-11-26 21:23:40,642 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 260 transitions. Word has length 40 [2019-11-26 21:23:40,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 21:23:40,643 INFO L462 AbstractCegarLoop]: Abstraction has 208 states and 260 transitions. [2019-11-26 21:23:40,643 INFO L463 AbstractCegarLoop]: Interpolant automaton has 30 states. [2019-11-26 21:23:40,643 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 260 transitions. [2019-11-26 21:23:40,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-26 21:23:40,644 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 21:23:40,644 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-11-26 21:23:40,845 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 mathsat -unsat_core_generation=3 [2019-11-26 21:23:40,845 INFO L410 AbstractCegarLoop]: === Iteration 19 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 21:23:40,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 21:23:40,846 INFO L82 PathProgramCache]: Analyzing trace with hash -541551801, now seen corresponding path program 1 times [2019-11-26 21:23:40,847 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 21:23:40,847 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [898358884] [2019-11-26 21:23:40,847 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 20 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with mathsat -unsat_core_generation=3 [2019-11-26 21:23:41,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 21:23:41,026 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 27 conjunts are in the unsatisfiable core [2019-11-26 21:23:41,028 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 21:23:41,060 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-26 21:23:41,060 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 21:23:41,066 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 21:23:41,066 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-26 21:23:41,067 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-26 21:23:41,386 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 21:23:41,386 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 21:23:41,791 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 21:23:42,098 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 mathsat -unsat_core_generation=3 [2019-11-26 21:23:42,099 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Alternating quantifiers not yet supported at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:283) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:264) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:565) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:478) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:102) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:246) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:419) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:291) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:334) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:177) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:139) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-26 21:23:42,105 INFO L168 Benchmark]: Toolchain (without parser) took 214457.28 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 321.4 MB). Free memory was 952.3 MB in the beginning and 1.0 GB in the end (delta: -55.7 MB). Peak memory consumption was 265.7 MB. Max. memory is 11.5 GB. [2019-11-26 21:23:42,105 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 21:23:42,106 INFO L168 Benchmark]: CACSL2BoogieTranslator took 957.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -141.7 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2019-11-26 21:23:42,106 INFO L168 Benchmark]: Boogie Preprocessor took 132.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-26 21:23:42,107 INFO L168 Benchmark]: RCFGBuilder took 1858.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 968.6 MB in the end (delta: 118.7 MB). Peak memory consumption was 118.7 MB. Max. memory is 11.5 GB. [2019-11-26 21:23:42,107 INFO L168 Benchmark]: TraceAbstraction took 211502.35 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 181.9 MB). Free memory was 968.6 MB in the beginning and 1.0 GB in the end (delta: -39.3 MB). Peak memory consumption was 142.6 MB. Max. memory is 11.5 GB. [2019-11-26 21:23:42,115 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 957.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -141.7 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 132.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1858.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 968.6 MB in the end (delta: 118.7 MB). Peak memory consumption was 118.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 211502.35 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 181.9 MB). Free memory was 968.6 MB in the beginning and 1.0 GB in the end (delta: -39.3 MB). Peak memory consumption was 142.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Alternating quantifiers not yet supported: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:283) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...