./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test17_1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 7c71bc25 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_1-1.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 85051d52521692aaf1a0de9e5f8f895724c83314 ............................................................................................................................ 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_1-1.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 85051d52521692aaf1a0de9e5f8f895724c83314 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 0.1.24-7c71bc2 [2019-11-25 13:52:07,390 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 13:52:07,393 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 13:52:07,413 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 13:52:07,414 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 13:52:07,416 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 13:52:07,418 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 13:52:07,430 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 13:52:07,435 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 13:52:07,438 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 13:52:07,440 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 13:52:07,441 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 13:52:07,442 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 13:52:07,446 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 13:52:07,447 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 13:52:07,449 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 13:52:07,451 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 13:52:07,454 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 13:52:07,457 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 13:52:07,461 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 13:52:07,465 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 13:52:07,470 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 13:52:07,472 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 13:52:07,474 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 13:52:07,477 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 13:52:07,478 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 13:52:07,478 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 13:52:07,480 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 13:52:07,481 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 13:52:07,483 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 13:52:07,483 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 13:52:07,484 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 13:52:07,485 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 13:52:07,486 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 13:52:07,488 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 13:52:07,488 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 13:52:07,489 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 13:52:07,489 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 13:52:07,489 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 13:52:07,490 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 13:52:07,492 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 13:52:07,493 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-25 13:52:07,523 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 13:52:07,531 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 13:52:07,532 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 13:52:07,536 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 13:52:07,536 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 13:52:07,536 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 13:52:07,537 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 13:52:07,537 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 13:52:07,537 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 13:52:07,537 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 13:52:07,538 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 13:52:07,538 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-25 13:52:07,538 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-25 13:52:07,539 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-25 13:52:07,540 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 13:52:07,540 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-25 13:52:07,540 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 13:52:07,541 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 13:52:07,541 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 13:52:07,541 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 13:52:07,542 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 13:52:07,542 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 13:52:07,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 13:52:07,543 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 13:52:07,543 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 13:52:07,543 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 13:52:07,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 13:52:07,544 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 -> 85051d52521692aaf1a0de9e5f8f895724c83314 [2019-11-25 13:52:07,874 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 13:52:07,888 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 13:52:07,891 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 13:52:07,893 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 13:52:07,893 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 13:52:07,894 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test17_1-1.i [2019-11-25 13:52:07,946 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f1a90566/f81e01df70444dbaa98a5f86834dd394/FLAG46b6c8816 [2019-11-25 13:52:08,534 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 13:52:08,535 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test17_1-1.i [2019-11-25 13:52:08,561 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f1a90566/f81e01df70444dbaa98a5f86834dd394/FLAG46b6c8816 [2019-11-25 13:52:08,830 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f1a90566/f81e01df70444dbaa98a5f86834dd394 [2019-11-25 13:52:08,833 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 13:52:08,835 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-25 13:52:08,836 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 13:52:08,837 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 13:52:08,841 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 13:52:08,842 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:52:08" (1/1) ... [2019-11-25 13:52:08,845 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3463e911 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:52:08, skipping insertion in model container [2019-11-25 13:52:08,846 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:52:08" (1/1) ... [2019-11-25 13:52:08,854 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 13:52:08,927 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 13:52:09,488 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 13:52:09,508 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) [2019-11-25 13:52:09,509 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@36f36121 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:52:09, skipping insertion in model container [2019-11-25 13:52:09,509 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 13:52:09,510 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-25 13:52:09,513 INFO L168 Benchmark]: Toolchain (without parser) took 676.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -171.6 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2019-11-25 13:52:09,513 INFO L168 Benchmark]: CDTParser took 0.60 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. [2019-11-25 13:52:09,515 INFO L168 Benchmark]: CACSL2BoogieTranslator took 673.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -176.9 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2019-11-25 13:52:09,517 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60 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 673.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -176.9 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 577]: 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 0.1.24-7c71bc2 [2019-11-25 13:52:11,300 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 13:52:11,303 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 13:52:11,321 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 13:52:11,322 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 13:52:11,324 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 13:52:11,326 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 13:52:11,336 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 13:52:11,341 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 13:52:11,345 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 13:52:11,346 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 13:52:11,348 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 13:52:11,348 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 13:52:11,351 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 13:52:11,353 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 13:52:11,354 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 13:52:11,356 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 13:52:11,358 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 13:52:11,361 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 13:52:11,365 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 13:52:11,370 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 13:52:11,375 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 13:52:11,377 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 13:52:11,379 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 13:52:11,384 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 13:52:11,384 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 13:52:11,384 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 13:52:11,386 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 13:52:11,387 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 13:52:11,388 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 13:52:11,388 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 13:52:11,389 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 13:52:11,390 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 13:52:11,392 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 13:52:11,393 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 13:52:11,393 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 13:52:11,394 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 13:52:11,395 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 13:52:11,395 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 13:52:11,396 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 13:52:11,398 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 13:52:11,399 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-25 13:52:11,425 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 13:52:11,425 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 13:52:11,427 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 13:52:11,428 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 13:52:11,428 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 13:52:11,429 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 13:52:11,429 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 13:52:11,429 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 13:52:11,429 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 13:52:11,430 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 13:52:11,431 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 13:52:11,431 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-25 13:52:11,432 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-25 13:52:11,432 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-25 13:52:11,432 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 13:52:11,433 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-25 13:52:11,433 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 13:52:11,433 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 13:52:11,433 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 13:52:11,434 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 13:52:11,434 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 13:52:11,434 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 13:52:11,435 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 13:52:11,435 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 13:52:11,435 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 13:52:11,435 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 13:52:11,436 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 13:52:11,436 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 13:52:11,436 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 13:52:11,437 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 13:52:11,437 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 -> 85051d52521692aaf1a0de9e5f8f895724c83314 [2019-11-25 13:52:11,753 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 13:52:11,766 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 13:52:11,770 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 13:52:11,772 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 13:52:11,772 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 13:52:11,773 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test17_1-1.i [2019-11-25 13:52:11,834 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad0c46e8f/890ffcb720df4631ac38ca9d643f9d4c/FLAGa7bd70152 [2019-11-25 13:52:12,410 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 13:52:12,411 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test17_1-1.i [2019-11-25 13:52:12,431 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad0c46e8f/890ffcb720df4631ac38ca9d643f9d4c/FLAGa7bd70152 [2019-11-25 13:52:12,664 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad0c46e8f/890ffcb720df4631ac38ca9d643f9d4c [2019-11-25 13:52:12,667 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 13:52:12,668 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-25 13:52:12,669 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 13:52:12,669 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 13:52:12,673 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 13:52:12,674 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:52:12" (1/1) ... [2019-11-25 13:52:12,677 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70b8cfcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:52:12, skipping insertion in model container [2019-11-25 13:52:12,677 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:52:12" (1/1) ... [2019-11-25 13:52:12,685 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 13:52:12,749 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 13:52:13,276 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 13:52:13,298 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-25 13:52:13,308 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 13:52:13,386 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 13:52:13,395 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 13:52:13,475 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 13:52:13,567 INFO L208 MainTranslator]: Completed translation [2019-11-25 13:52:13,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:52:13 WrapperNode [2019-11-25 13:52:13,568 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 13:52:13,569 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 13:52:13,569 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 13:52:13,569 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 13:52:13,582 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:52:13" (1/1) ... [2019-11-25 13:52:13,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:52:13" (1/1) ... [2019-11-25 13:52:13,613 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:52:13" (1/1) ... [2019-11-25 13:52:13,614 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:52:13" (1/1) ... [2019-11-25 13:52:13,664 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:52:13" (1/1) ... [2019-11-25 13:52:13,671 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:52:13" (1/1) ... [2019-11-25 13:52:13,678 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:52:13" (1/1) ... [2019-11-25 13:52:13,690 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 13:52:13,691 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 13:52:13,691 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 13:52:13,691 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 13:52:13,692 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:52:13" (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 [2019-11-25 13:52:13,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-25 13:52:13,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 13:52:13,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-25 13:52:13,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-11-25 13:52:13,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-25 13:52:13,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-25 13:52:13,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-25 13:52:13,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-25 13:52:13,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-25 13:52:13,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-25 13:52:13,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-25 13:52:13,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-25 13:52:13,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-25 13:52:13,774 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-25 13:52:13,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-25 13:52:13,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-25 13:52:13,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-25 13:52:13,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-25 13:52:13,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-25 13:52:13,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-25 13:52:13,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-25 13:52:13,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-25 13:52:13,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-25 13:52:13,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-25 13:52:13,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-25 13:52:13,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-25 13:52:13,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-25 13:52:13,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-25 13:52:13,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-25 13:52:13,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-25 13:52:13,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-25 13:52:13,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-25 13:52:13,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-25 13:52:13,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-25 13:52:13,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-25 13:52:13,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-25 13:52:13,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-25 13:52:13,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-25 13:52:13,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-25 13:52:13,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-25 13:52:13,784 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-25 13:52:13,785 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-25 13:52:13,786 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_17 [2019-11-25 13:52:13,786 INFO L138 BoogieDeclarations]: Found implementation of procedure free_17 [2019-11-25 13:52:13,786 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-25 13:52:13,786 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-25 13:52:13,786 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-25 13:52:13,787 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-25 13:52:13,787 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-25 13:52:13,787 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-25 13:52:13,788 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-25 13:52:13,788 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-25 13:52:13,788 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-25 13:52:13,789 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-25 13:52:13,789 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-25 13:52:13,789 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-25 13:52:13,789 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-25 13:52:13,789 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-25 13:52:13,789 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-25 13:52:13,790 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-25 13:52:13,790 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-25 13:52:13,790 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-25 13:52:13,790 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-25 13:52:13,791 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-25 13:52:13,792 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-25 13:52:13,792 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-25 13:52:13,792 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-25 13:52:13,793 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-25 13:52:13,793 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-25 13:52:13,794 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-25 13:52:13,795 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-25 13:52:13,795 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-25 13:52:13,795 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-25 13:52:13,796 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-25 13:52:13,796 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-25 13:52:13,796 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-25 13:52:13,796 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-25 13:52:13,796 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-25 13:52:13,796 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-25 13:52:13,797 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-25 13:52:13,797 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-25 13:52:13,797 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-25 13:52:13,797 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-25 13:52:13,797 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-25 13:52:13,798 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-25 13:52:13,798 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-25 13:52:13,798 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-25 13:52:13,798 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-25 13:52:13,798 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-25 13:52:13,799 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-25 13:52:13,799 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-25 13:52:13,799 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-25 13:52:13,799 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-25 13:52:13,799 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-25 13:52:13,800 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-25 13:52:13,800 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-25 13:52:13,800 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-25 13:52:13,800 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-25 13:52:13,800 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-25 13:52:13,801 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-25 13:52:13,801 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-25 13:52:13,801 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-25 13:52:13,801 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-25 13:52:13,801 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-25 13:52:13,802 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-25 13:52:13,802 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-25 13:52:13,802 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-25 13:52:13,802 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-25 13:52:13,802 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-25 13:52:13,803 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-25 13:52:13,803 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-25 13:52:13,803 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-25 13:52:13,804 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-25 13:52:13,805 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-25 13:52:13,805 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-25 13:52:13,805 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-25 13:52:13,806 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-25 13:52:13,806 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-25 13:52:13,806 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-25 13:52:13,806 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-25 13:52:13,806 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-25 13:52:13,807 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-25 13:52:13,807 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-25 13:52:13,807 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-25 13:52:13,807 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-25 13:52:13,808 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-25 13:52:13,809 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-25 13:52:13,813 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-25 13:52:13,813 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-25 13:52:13,813 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-25 13:52:13,813 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-25 13:52:13,814 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-25 13:52:13,815 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-25 13:52:13,815 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-25 13:52:13,815 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-25 13:52:13,815 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-25 13:52:13,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-25 13:52:13,816 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-25 13:52:13,816 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-25 13:52:13,825 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-25 13:52:13,825 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-25 13:52:13,825 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-25 13:52:13,825 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-25 13:52:13,826 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-25 13:52:13,826 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-25 13:52:13,826 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-25 13:52:13,826 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-25 13:52:13,826 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-25 13:52:13,826 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-25 13:52:13,827 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-25 13:52:13,827 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-25 13:52:13,827 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-25 13:52:13,827 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-25 13:52:13,827 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-25 13:52:13,828 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-25 13:52:13,828 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-25 13:52:13,828 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-25 13:52:13,828 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-25 13:52:13,828 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-25 13:52:13,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-25 13:52:13,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-25 13:52:13,829 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-25 13:52:13,829 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-25 13:52:13,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-25 13:52:13,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-25 13:52:13,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-25 13:52:13,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-25 13:52:13,830 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-25 13:52:13,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-25 13:52:13,831 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-25 13:52:13,831 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-25 13:52:13,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-25 13:52:13,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-25 13:52:13,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-25 13:52:13,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-25 13:52:13,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-25 13:52:13,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-25 13:52:13,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-25 13:52:13,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-25 13:52:13,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 13:52:13,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-25 13:52:13,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-25 13:52:13,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-25 13:52:13,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-25 13:52:13,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-25 13:52:13,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-25 13:52:13,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-25 13:52:13,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-25 13:52:13,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-25 13:52:13,835 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-25 13:52:13,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-25 13:52:13,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-25 13:52:13,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-25 13:52:13,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-25 13:52:13,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-25 13:52:13,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-25 13:52:13,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-25 13:52:13,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-25 13:52:13,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-25 13:52:13,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-25 13:52:13,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-25 13:52:13,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-25 13:52:13,837 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-25 13:52:13,838 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-25 13:52:13,838 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_17 [2019-11-25 13:52:13,838 INFO L130 BoogieDeclarations]: Found specification of procedure free_17 [2019-11-25 13:52:13,838 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-25 13:52:13,838 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-25 13:52:13,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-25 13:52:13,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 13:52:13,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-25 13:52:13,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 13:52:13,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-11-25 13:52:13,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-25 13:52:13,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-25 13:52:13,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-25 13:52:13,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-25 13:52:14,476 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-25 13:52:14,872 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-25 13:52:15,431 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 13:52:15,432 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-25 13:52:15,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:52:15 BoogieIcfgContainer [2019-11-25 13:52:15,433 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 13:52:15,435 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 13:52:15,436 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 13:52:15,439 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 13:52:15,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 01:52:12" (1/3) ... [2019-11-25 13:52:15,440 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@231ed5f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 01:52:15, skipping insertion in model container [2019-11-25 13:52:15,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:52:13" (2/3) ... [2019-11-25 13:52:15,440 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@231ed5f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 01:52:15, skipping insertion in model container [2019-11-25 13:52:15,441 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:52:15" (3/3) ... [2019-11-25 13:52:15,442 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test17_1-1.i [2019-11-25 13:52:15,453 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 13:52:15,462 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 87 error locations. [2019-11-25 13:52:15,476 INFO L249 AbstractCegarLoop]: Starting to check reachability of 87 error locations. [2019-11-25 13:52:15,504 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 13:52:15,504 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-25 13:52:15,505 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 13:52:15,505 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 13:52:15,505 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 13:52:15,505 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 13:52:15,506 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 13:52:15,506 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 13:52:15,538 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states. [2019-11-25 13:52:15,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-25 13:52:15,550 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:52:15,551 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 13:52:15,552 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_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 13:52:15,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:52:15,559 INFO L82 PathProgramCache]: Analyzing trace with hash -200276895, now seen corresponding path program 1 times [2019-11-25 13:52:15,571 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 13:52:15,572 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1861237182] [2019-11-25 13:52:15,572 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 [2019-11-25 13:52:15,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:52:15,789 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-25 13:52:15,797 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:52:15,894 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 [2019-11-25 13:52:15,895 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 13:52:15,905 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:52:15,906 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-25 13:52:15,906 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-25 13:52:15,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 13:52:15,994 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 13:52:16,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 13:52:16,845 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1861237182] [2019-11-25 13:52:16,846 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 13:52:16,846 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 13 [2019-11-25 13:52:16,847 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081803697] [2019-11-25 13:52:16,852 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-25 13:52:16,853 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 13:52:16,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-25 13:52:16,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2019-11-25 13:52:16,880 INFO L87 Difference]: Start difference. First operand 141 states. Second operand 14 states. [2019-11-25 13:52:18,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:52:18,065 INFO L93 Difference]: Finished difference Result 91 states and 104 transitions. [2019-11-25 13:52:18,067 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-25 13:52:18,069 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 16 [2019-11-25 13:52:18,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:52:18,083 INFO L225 Difference]: With dead ends: 91 [2019-11-25 13:52:18,084 INFO L226 Difference]: Without dead ends: 88 [2019-11-25 13:52:18,088 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 17 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=76, Invalid=304, Unknown=0, NotChecked=0, Total=380 [2019-11-25 13:52:18,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2019-11-25 13:52:18,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 77. [2019-11-25 13:52:18,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-11-25 13:52:18,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 89 transitions. [2019-11-25 13:52:18,162 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 89 transitions. Word has length 16 [2019-11-25 13:52:18,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:52:18,163 INFO L462 AbstractCegarLoop]: Abstraction has 77 states and 89 transitions. [2019-11-25 13:52:18,163 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-25 13:52:18,163 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 89 transitions. [2019-11-25 13:52:18,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-25 13:52:18,167 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:52:18,167 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 13:52:18,378 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-25 13:52:18,381 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_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 13:52:18,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:52:18,382 INFO L82 PathProgramCache]: Analyzing trace with hash -200276896, now seen corresponding path program 1 times [2019-11-25 13:52:18,384 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 13:52:18,384 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1516740693] [2019-11-25 13:52:18,384 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 [2019-11-25 13:52:18,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:52:18,532 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-25 13:52:18,535 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:52:18,541 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 [2019-11-25 13:52:18,542 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 13:52:18,544 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:52:18,544 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-25 13:52:18,544 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-25 13:52:18,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 13:52:18,565 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 13:52:18,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 13:52:18,608 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1516740693] [2019-11-25 13:52:18,608 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 13:52:18,608 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-25 13:52:18,608 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369068710] [2019-11-25 13:52:18,613 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 13:52:18,613 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 13:52:18,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 13:52:18,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 13:52:18,617 INFO L87 Difference]: Start difference. First operand 77 states and 89 transitions. Second operand 5 states. [2019-11-25 13:52:18,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:52:18,795 INFO L93 Difference]: Finished difference Result 83 states and 95 transitions. [2019-11-25 13:52:18,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 13:52:18,795 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-11-25 13:52:18,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:52:18,797 INFO L225 Difference]: With dead ends: 83 [2019-11-25 13:52:18,797 INFO L226 Difference]: Without dead ends: 83 [2019-11-25 13:52:18,798 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 13:52:18,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2019-11-25 13:52:18,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 79. [2019-11-25 13:52:18,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2019-11-25 13:52:18,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 91 transitions. [2019-11-25 13:52:18,808 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 91 transitions. Word has length 16 [2019-11-25 13:52:18,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:52:18,808 INFO L462 AbstractCegarLoop]: Abstraction has 79 states and 91 transitions. [2019-11-25 13:52:18,808 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 13:52:18,808 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 91 transitions. [2019-11-25 13:52:18,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-25 13:52:18,809 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:52:18,809 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 13:52:19,015 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-25 13:52:19,017 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_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 13:52:19,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:52:19,018 INFO L82 PathProgramCache]: Analyzing trace with hash 687226786, now seen corresponding path program 1 times [2019-11-25 13:52:19,018 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 13:52:19,019 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [554268909] [2019-11-25 13:52:19,019 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 [2019-11-25 13:52:19,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:52:19,132 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-25 13:52:19,137 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:52:19,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 13:52:19,186 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 13:52:19,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 13:52:19,241 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [554268909] [2019-11-25 13:52:19,242 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 13:52:19,242 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-25 13:52:19,242 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865095684] [2019-11-25 13:52:19,242 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 13:52:19,243 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 13:52:19,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 13:52:19,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 13:52:19,247 INFO L87 Difference]: Start difference. First operand 79 states and 91 transitions. Second operand 5 states. [2019-11-25 13:52:19,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:52:19,298 INFO L93 Difference]: Finished difference Result 78 states and 87 transitions. [2019-11-25 13:52:19,301 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 13:52:19,302 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-11-25 13:52:19,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:52:19,303 INFO L225 Difference]: With dead ends: 78 [2019-11-25 13:52:19,303 INFO L226 Difference]: Without dead ends: 78 [2019-11-25 13:52:19,304 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 13:52:19,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2019-11-25 13:52:19,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 76. [2019-11-25 13:52:19,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2019-11-25 13:52:19,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 85 transitions. [2019-11-25 13:52:19,312 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 85 transitions. Word has length 16 [2019-11-25 13:52:19,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:52:19,312 INFO L462 AbstractCegarLoop]: Abstraction has 76 states and 85 transitions. [2019-11-25 13:52:19,312 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 13:52:19,312 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 85 transitions. [2019-11-25 13:52:19,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-25 13:52:19,316 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:52:19,317 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 13:52:19,530 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-25 13:52:19,531 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_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 13:52:19,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:52:19,532 INFO L82 PathProgramCache]: Analyzing trace with hash -1913632700, now seen corresponding path program 1 times [2019-11-25 13:52:19,532 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 13:52:19,533 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [142279196] [2019-11-25 13:52:19,533 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 [2019-11-25 13:52:19,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:52:19,660 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-25 13:52:19,661 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:52:19,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 13:52:19,688 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 13:52:19,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 13:52:19,760 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [142279196] [2019-11-25 13:52:19,760 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 13:52:19,760 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-25 13:52:19,760 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436000585] [2019-11-25 13:52:19,761 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 13:52:19,761 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 13:52:19,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 13:52:19,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 13:52:19,761 INFO L87 Difference]: Start difference. First operand 76 states and 85 transitions. Second operand 5 states. [2019-11-25 13:52:19,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:52:19,805 INFO L93 Difference]: Finished difference Result 78 states and 86 transitions. [2019-11-25 13:52:19,806 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 13:52:19,806 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2019-11-25 13:52:19,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:52:19,807 INFO L225 Difference]: With dead ends: 78 [2019-11-25 13:52:19,808 INFO L226 Difference]: Without dead ends: 78 [2019-11-25 13:52:19,808 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 13:52:19,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2019-11-25 13:52:19,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 76. [2019-11-25 13:52:19,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2019-11-25 13:52:19,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 84 transitions. [2019-11-25 13:52:19,816 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 84 transitions. Word has length 17 [2019-11-25 13:52:19,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:52:19,816 INFO L462 AbstractCegarLoop]: Abstraction has 76 states and 84 transitions. [2019-11-25 13:52:19,816 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 13:52:19,816 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 84 transitions. [2019-11-25 13:52:19,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-25 13:52:19,817 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:52:19,817 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 13:52:20,027 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-25 13:52:20,029 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_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 13:52:20,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:52:20,032 INFO L82 PathProgramCache]: Analyzing trace with hash -170822365, now seen corresponding path program 1 times [2019-11-25 13:52:20,032 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 13:52:20,033 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [553691066] [2019-11-25 13:52:20,034 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 [2019-11-25 13:52:20,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:52:20,157 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-25 13:52:20,159 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:52:20,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 13:52:20,174 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 13:52:20,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 13:52:20,217 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [553691066] [2019-11-25 13:52:20,217 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 13:52:20,217 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-25 13:52:20,218 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473714250] [2019-11-25 13:52:20,218 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 13:52:20,218 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 13:52:20,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 13:52:20,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 13:52:20,220 INFO L87 Difference]: Start difference. First operand 76 states and 84 transitions. Second operand 3 states. [2019-11-25 13:52:20,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:52:20,349 INFO L93 Difference]: Finished difference Result 114 states and 127 transitions. [2019-11-25 13:52:20,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 13:52:20,350 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-11-25 13:52:20,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:52:20,352 INFO L225 Difference]: With dead ends: 114 [2019-11-25 13:52:20,352 INFO L226 Difference]: Without dead ends: 109 [2019-11-25 13:52:20,353 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 13:52:20,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2019-11-25 13:52:20,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 74. [2019-11-25 13:52:20,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2019-11-25 13:52:20,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 81 transitions. [2019-11-25 13:52:20,361 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 81 transitions. Word has length 17 [2019-11-25 13:52:20,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:52:20,361 INFO L462 AbstractCegarLoop]: Abstraction has 74 states and 81 transitions. [2019-11-25 13:52:20,361 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 13:52:20,362 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 81 transitions. [2019-11-25 13:52:20,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-25 13:52:20,363 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:52:20,363 INFO L410 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 13:52:20,581 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-11-25 13:52:20,582 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_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 13:52:20,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:52:20,583 INFO L82 PathProgramCache]: Analyzing trace with hash -73256383, now seen corresponding path program 1 times [2019-11-25 13:52:20,583 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 13:52:20,584 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1575199117] [2019-11-25 13:52:20,584 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 [2019-11-25 13:52:20,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:52:20,715 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-25 13:52:20,717 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:52:20,739 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 [2019-11-25 13:52:20,740 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 13:52:20,748 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:52:20,748 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-25 13:52:20,748 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-25 13:52:20,859 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 13:52:20,860 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 13:52:22,096 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 13:52:22,097 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1575199117] [2019-11-25 13:52:22,097 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-25 13:52:22,097 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2019-11-25 13:52:22,098 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718262661] [2019-11-25 13:52:22,098 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-11-25 13:52:22,098 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 13:52:22,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-11-25 13:52:22,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2019-11-25 13:52:22,099 INFO L87 Difference]: Start difference. First operand 74 states and 81 transitions. Second operand 18 states. [2019-11-25 13:52:23,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:52:23,937 INFO L93 Difference]: Finished difference Result 91 states and 104 transitions. [2019-11-25 13:52:23,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-25 13:52:23,938 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 22 [2019-11-25 13:52:23,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:52:23,939 INFO L225 Difference]: With dead ends: 91 [2019-11-25 13:52:23,939 INFO L226 Difference]: Without dead ends: 91 [2019-11-25 13:52:23,940 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 25 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=155, Invalid=657, Unknown=0, NotChecked=0, Total=812 [2019-11-25 13:52:23,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2019-11-25 13:52:23,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 86. [2019-11-25 13:52:23,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2019-11-25 13:52:23,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 95 transitions. [2019-11-25 13:52:23,949 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 95 transitions. Word has length 22 [2019-11-25 13:52:23,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:52:23,949 INFO L462 AbstractCegarLoop]: Abstraction has 86 states and 95 transitions. [2019-11-25 13:52:23,949 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-11-25 13:52:23,949 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 95 transitions. [2019-11-25 13:52:23,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-25 13:52:23,950 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:52:23,951 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 13:52:24,160 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-11-25 13:52:24,165 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_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 13:52:24,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:52:24,166 INFO L82 PathProgramCache]: Analyzing trace with hash -1067902475, now seen corresponding path program 1 times [2019-11-25 13:52:24,166 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 13:52:24,166 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [445395679] [2019-11-25 13:52:24,166 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 [2019-11-25 13:52:24,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:52:24,300 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-25 13:52:24,302 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:52:24,363 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 13:52:24,364 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 13:52:24,506 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 13:52:24,507 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [445395679] [2019-11-25 13:52:24,507 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-25 13:52:24,507 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2019-11-25 13:52:24,507 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963085186] [2019-11-25 13:52:24,508 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-25 13:52:24,508 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 13:52:24,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-25 13:52:24,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2019-11-25 13:52:24,509 INFO L87 Difference]: Start difference. First operand 86 states and 95 transitions. Second operand 12 states. [2019-11-25 13:52:24,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:52:24,877 INFO L93 Difference]: Finished difference Result 92 states and 98 transitions. [2019-11-25 13:52:24,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-25 13:52:24,877 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 35 [2019-11-25 13:52:24,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:52:24,878 INFO L225 Difference]: With dead ends: 92 [2019-11-25 13:52:24,878 INFO L226 Difference]: Without dead ends: 92 [2019-11-25 13:52:24,879 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2019-11-25 13:52:24,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2019-11-25 13:52:24,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 91. [2019-11-25 13:52:24,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2019-11-25 13:52:24,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 98 transitions. [2019-11-25 13:52:24,885 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 98 transitions. Word has length 35 [2019-11-25 13:52:24,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:52:24,885 INFO L462 AbstractCegarLoop]: Abstraction has 91 states and 98 transitions. [2019-11-25 13:52:24,886 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-25 13:52:24,886 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 98 transitions. [2019-11-25 13:52:24,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-25 13:52:24,887 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:52:24,887 INFO L410 BasicCegarLoop]: trace histogram [7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 13:52:25,098 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-11-25 13:52:25,099 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_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 13:52:25,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:52:25,100 INFO L82 PathProgramCache]: Analyzing trace with hash 1190057473, now seen corresponding path program 2 times [2019-11-25 13:52:25,100 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 13:52:25,101 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2021101748] [2019-11-25 13:52:25,101 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 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 [2019-11-25 13:52:25,253 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-25 13:52:25,254 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-25 13:52:25,260 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 20 conjunts are in the unsatisfiable core [2019-11-25 13:52:25,262 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:52:25,275 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 [2019-11-25 13:52:25,275 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 13:52:25,282 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:52:25,283 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-25 13:52:25,283 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-25 13:52:25,596 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 13:52:25,596 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 13:52:27,338 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 13:52:27,884 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 13:52:27,884 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2021101748] [2019-11-25 13:52:27,884 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-25 13:52:27,884 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 27 [2019-11-25 13:52:27,885 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798524912] [2019-11-25 13:52:27,885 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2019-11-25 13:52:27,885 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 13:52:27,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2019-11-25 13:52:27,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=602, Unknown=0, NotChecked=0, Total=756 [2019-11-25 13:52:27,886 INFO L87 Difference]: Start difference. First operand 91 states and 98 transitions. Second operand 28 states. [2019-11-25 13:52:29,055 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 28 [2019-11-25 13:52:29,518 WARN L192 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 40 [2019-11-25 13:52:30,008 WARN L192 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 40 [2019-11-25 13:52:30,300 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 28 [2019-11-25 13:52:30,786 WARN L192 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 39 [2019-11-25 13:52:31,090 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 27 [2019-11-25 13:52:31,980 WARN L192 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 40 [2019-11-25 13:52:32,413 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 28 [2019-11-25 13:52:32,813 WARN L192 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2019-11-25 13:52:33,127 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 28 [2019-11-25 13:52:33,630 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2019-11-25 13:52:34,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:52:34,938 INFO L93 Difference]: Finished difference Result 112 states and 125 transitions. [2019-11-25 13:52:34,940 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2019-11-25 13:52:34,940 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 34 [2019-11-25 13:52:34,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:52:34,943 INFO L225 Difference]: With dead ends: 112 [2019-11-25 13:52:34,944 INFO L226 Difference]: Without dead ends: 112 [2019-11-25 13:52:34,945 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 39 SyntacticMatches, 2 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 398 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=487, Invalid=1493, Unknown=0, NotChecked=0, Total=1980 [2019-11-25 13:52:34,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2019-11-25 13:52:34,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 110. [2019-11-25 13:52:34,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2019-11-25 13:52:34,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 122 transitions. [2019-11-25 13:52:34,956 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 122 transitions. Word has length 34 [2019-11-25 13:52:34,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:52:34,957 INFO L462 AbstractCegarLoop]: Abstraction has 110 states and 122 transitions. [2019-11-25 13:52:34,957 INFO L463 AbstractCegarLoop]: Interpolant automaton has 28 states. [2019-11-25 13:52:34,957 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 122 transitions. [2019-11-25 13:52:34,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-25 13:52:34,969 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:52:34,969 INFO L410 BasicCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 13:52:35,169 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-11-25 13:52:35,171 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_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 13:52:35,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:52:35,171 INFO L82 PathProgramCache]: Analyzing trace with hash -321692208, now seen corresponding path program 2 times [2019-11-25 13:52:35,172 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 13:52:35,173 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [577479023] [2019-11-25 13:52:35,173 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 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 [2019-11-25 13:52:35,306 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-11-25 13:52:35,306 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-25 13:52:35,309 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-25 13:52:35,311 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:52:35,346 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2019-11-25 13:52:35,346 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 13:52:35,430 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2019-11-25 13:52:35,430 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [577479023] [2019-11-25 13:52:35,430 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 13:52:35,430 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2019-11-25 13:52:35,430 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209741161] [2019-11-25 13:52:35,431 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-25 13:52:35,431 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 13:52:35,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-25 13:52:35,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-25 13:52:35,431 INFO L87 Difference]: Start difference. First operand 110 states and 122 transitions. Second operand 7 states. [2019-11-25 13:52:35,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:52:35,556 INFO L93 Difference]: Finished difference Result 141 states and 157 transitions. [2019-11-25 13:52:35,557 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-25 13:52:35,557 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 50 [2019-11-25 13:52:35,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:52:35,558 INFO L225 Difference]: With dead ends: 141 [2019-11-25 13:52:35,558 INFO L226 Difference]: Without dead ends: 138 [2019-11-25 13:52:35,559 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-25 13:52:35,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2019-11-25 13:52:35,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 111. [2019-11-25 13:52:35,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-11-25 13:52:35,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 123 transitions. [2019-11-25 13:52:35,563 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 123 transitions. Word has length 50 [2019-11-25 13:52:35,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:52:35,564 INFO L462 AbstractCegarLoop]: Abstraction has 111 states and 123 transitions. [2019-11-25 13:52:35,564 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-25 13:52:35,564 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 123 transitions. [2019-11-25 13:52:35,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-25 13:52:35,566 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:52:35,566 INFO L410 BasicCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 13:52:35,776 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2019-11-25 13:52:35,779 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_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 13:52:35,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:52:35,780 INFO L82 PathProgramCache]: Analyzing trace with hash 115614506, now seen corresponding path program 1 times [2019-11-25 13:52:35,780 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 13:52:35,781 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [591014923] [2019-11-25 13:52:35,781 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 [2019-11-25 13:52:35,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:52:35,965 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-25 13:52:35,968 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:52:36,123 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 4 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 13:52:36,124 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 13:52:36,479 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-25 13:52:36,479 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [591014923] [2019-11-25 13:52:36,479 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-25 13:52:36,480 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2019-11-25 13:52:36,480 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470227348] [2019-11-25 13:52:36,480 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-11-25 13:52:36,480 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 13:52:36,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-11-25 13:52:36,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=349, Unknown=0, NotChecked=0, Total=462 [2019-11-25 13:52:36,481 INFO L87 Difference]: Start difference. First operand 111 states and 123 transitions. Second operand 22 states. [2019-11-25 13:52:37,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:52:37,067 INFO L93 Difference]: Finished difference Result 111 states and 121 transitions. [2019-11-25 13:52:37,069 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-25 13:52:37,069 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 50 [2019-11-25 13:52:37,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:52:37,071 INFO L225 Difference]: With dead ends: 111 [2019-11-25 13:52:37,071 INFO L226 Difference]: Without dead ends: 111 [2019-11-25 13:52:37,072 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=127, Invalid=379, Unknown=0, NotChecked=0, Total=506 [2019-11-25 13:52:37,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2019-11-25 13:52:37,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2019-11-25 13:52:37,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-11-25 13:52:37,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 121 transitions. [2019-11-25 13:52:37,079 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 121 transitions. Word has length 50 [2019-11-25 13:52:37,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:52:37,082 INFO L462 AbstractCegarLoop]: Abstraction has 111 states and 121 transitions. [2019-11-25 13:52:37,082 INFO L463 AbstractCegarLoop]: Interpolant automaton has 22 states. [2019-11-25 13:52:37,082 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 121 transitions. [2019-11-25 13:52:37,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-25 13:52:37,087 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:52:37,087 INFO L410 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 13:52:37,300 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2019-11-25 13:52:37,304 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_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 13:52:37,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:52:37,304 INFO L82 PathProgramCache]: Analyzing trace with hash -1051535094, now seen corresponding path program 2 times [2019-11-25 13:52:37,305 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 13:52:37,305 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [988878662] [2019-11-25 13:52:37,305 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 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 [2019-11-25 13:52:37,490 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-25 13:52:37,490 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-25 13:52:37,501 INFO L255 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-25 13:52:37,503 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:52:37,508 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 [2019-11-25 13:52:37,508 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 13:52:37,516 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:52:37,516 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-25 13:52:37,517 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-25 13:52:37,621 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:52:37,621 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 [2019-11-25 13:52:37,622 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 13:52:37,642 INFO L588 ElimStorePlain]: treesize reduction 14, result has 51.7 percent of original size [2019-11-25 13:52:37,643 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. [2019-11-25 13:52:37,644 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:15 [2019-11-25 13:52:37,674 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2019-11-25 13:52:37,674 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 13:52:38,041 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2019-11-25 13:52:38,041 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [988878662] [2019-11-25 13:52:38,042 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-25 13:52:38,042 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2019-11-25 13:52:38,042 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376062697] [2019-11-25 13:52:38,043 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-11-25 13:52:38,043 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 13:52:38,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-11-25 13:52:38,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2019-11-25 13:52:38,044 INFO L87 Difference]: Start difference. First operand 111 states and 121 transitions. Second operand 17 states. [2019-11-25 13:52:58,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:52:58,088 INFO L93 Difference]: Finished difference Result 208 states and 237 transitions. [2019-11-25 13:52:58,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-25 13:52:58,089 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 56 [2019-11-25 13:52:58,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:52:58,092 INFO L225 Difference]: With dead ends: 208 [2019-11-25 13:52:58,092 INFO L226 Difference]: Without dead ends: 208 [2019-11-25 13:52:58,093 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=105, Invalid=495, Unknown=0, NotChecked=0, Total=600 [2019-11-25 13:52:58,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2019-11-25 13:52:58,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 109. [2019-11-25 13:52:58,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2019-11-25 13:52:58,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 119 transitions. [2019-11-25 13:52:58,100 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 119 transitions. Word has length 56 [2019-11-25 13:52:58,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:52:58,101 INFO L462 AbstractCegarLoop]: Abstraction has 109 states and 119 transitions. [2019-11-25 13:52:58,101 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-11-25 13:52:58,101 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 119 transitions. [2019-11-25 13:52:58,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-25 13:52:58,102 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:52:58,102 INFO L410 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 13:52:58,314 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2019-11-25 13:52:58,315 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_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 13:52:58,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:52:58,315 INFO L82 PathProgramCache]: Analyzing trace with hash -1051535093, now seen corresponding path program 1 times [2019-11-25 13:52:58,316 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 13:52:58,317 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [229301635] [2019-11-25 13:52:58,317 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 [2019-11-25 13:52:58,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:52:58,527 INFO L255 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 28 conjunts are in the unsatisfiable core [2019-11-25 13:52:58,529 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:52:58,548 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 [2019-11-25 13:52:58,549 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 13:52:58,556 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:52:58,559 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 [2019-11-25 13:52:58,560 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-25 13:52:58,568 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:52:58,568 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-25 13:52:58,568 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-11-25 13:53:00,812 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-25 13:53:00,817 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 12 treesize of output 14 [2019-11-25 13:53:00,817 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 13:53:00,847 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:53:00,866 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:53:00,867 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 11 treesize of output 15 [2019-11-25 13:53:00,867 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-25 13:53:00,885 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:53:00,885 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-25 13:53:00,886 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:28, output treesize:12 [2019-11-25 13:53:00,939 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2019-11-25 13:53:00,940 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 13:53:01,214 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 13:53:01,480 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 13:53:01,480 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 13:53:01,481 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 13:53:07,609 WARN L192 SmtUtils]: Spent 3.62 s on a formula simplification. DAG size of input: 38 DAG size of output: 32 [2019-11-25 13:53:07,613 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 13:53:12,419 INFO L404 ElimStorePlain]: Different costs {1=[|v_#valid_259|], 2=[|v_#length_220|]} [2019-11-25 13:53:12,432 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 [2019-11-25 13:53:12,433 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 13:53:12,443 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:53:12,445 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-25 13:53:12,446 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-25 13:53:12,455 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:53:12,456 INFO L508 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-25 13:53:12,456 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:23, output treesize:5 [2019-11-25 13:53:13,114 INFO L404 ElimStorePlain]: Different costs {1=[|#valid|], 2=[|#length|]} [2019-11-25 13:53:13,128 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 [2019-11-25 13:53:13,129 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 13:53:13,150 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:53:13,153 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-25 13:53:13,153 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-25 13:53:13,172 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:53:13,173 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. [2019-11-25 13:53:13,173 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:33, output treesize:16 [2019-11-25 13:53:13,335 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2019-11-25 13:53:13,335 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [229301635] [2019-11-25 13:53:13,335 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-25 13:53:13,336 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2019-11-25 13:53:13,336 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761183266] [2019-11-25 13:53:13,337 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-11-25 13:53:13,337 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 13:53:13,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-11-25 13:53:13,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=406, Unknown=3, NotChecked=0, Total=462 [2019-11-25 13:53:13,337 INFO L87 Difference]: Start difference. First operand 109 states and 119 transitions. Second operand 22 states. [2019-11-25 13:53:29,909 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 24 [2019-11-25 13:53:37,184 WARN L192 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 16 [2019-11-25 13:53:40,758 WARN L192 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-11-25 13:53:53,559 WARN L192 SmtUtils]: Spent 4.85 s on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2019-11-25 13:53:56,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:53:56,551 INFO L93 Difference]: Finished difference Result 243 states and 280 transitions. [2019-11-25 13:53:56,552 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-11-25 13:53:56,552 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 56 [2019-11-25 13:53:56,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:53:56,555 INFO L225 Difference]: With dead ends: 243 [2019-11-25 13:53:56,555 INFO L226 Difference]: Without dead ends: 243 [2019-11-25 13:53:56,556 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 88 SyntacticMatches, 3 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 28.8s TimeCoverageRelationStatistics Valid=169, Invalid=1018, Unknown=3, NotChecked=0, Total=1190 [2019-11-25 13:53:56,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2019-11-25 13:53:56,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 119. [2019-11-25 13:53:56,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-11-25 13:53:56,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 136 transitions. [2019-11-25 13:53:56,564 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 136 transitions. Word has length 56 [2019-11-25 13:53:56,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:53:56,564 INFO L462 AbstractCegarLoop]: Abstraction has 119 states and 136 transitions. [2019-11-25 13:53:56,564 INFO L463 AbstractCegarLoop]: Interpolant automaton has 22 states. [2019-11-25 13:53:56,565 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 136 transitions. [2019-11-25 13:53:56,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-25 13:53:56,566 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:53:56,566 INFO L410 BasicCegarLoop]: trace histogram [10, 10, 10, 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] [2019-11-25 13:53:56,775 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 mathsat -unsat_core_generation=3 [2019-11-25 13:53:56,776 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_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 13:53:56,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:53:56,776 INFO L82 PathProgramCache]: Analyzing trace with hash -1207954601, now seen corresponding path program 1 times [2019-11-25 13:53:56,777 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 13:53:56,777 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1907960775] [2019-11-25 13:53:56,778 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 [2019-11-25 13:53:56,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:53:56,967 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-25 13:53:56,969 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:53:56,985 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2019-11-25 13:53:56,986 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 13:53:57,049 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2019-11-25 13:53:57,049 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1907960775] [2019-11-25 13:53:57,049 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 13:53:57,049 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-25 13:53:57,050 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085616326] [2019-11-25 13:53:57,050 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 13:53:57,050 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 13:53:57,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 13:53:57,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 13:53:57,051 INFO L87 Difference]: Start difference. First operand 119 states and 136 transitions. Second operand 5 states. [2019-11-25 13:53:57,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:53:57,100 INFO L93 Difference]: Finished difference Result 142 states and 165 transitions. [2019-11-25 13:53:57,101 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-25 13:53:57,101 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2019-11-25 13:53:57,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:53:57,103 INFO L225 Difference]: With dead ends: 142 [2019-11-25 13:53:57,103 INFO L226 Difference]: Without dead ends: 142 [2019-11-25 13:53:57,104 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-25 13:53:57,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2019-11-25 13:53:57,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 125. [2019-11-25 13:53:57,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2019-11-25 13:53:57,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 142 transitions. [2019-11-25 13:53:57,110 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 142 transitions. Word has length 58 [2019-11-25 13:53:57,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:53:57,111 INFO L462 AbstractCegarLoop]: Abstraction has 125 states and 142 transitions. [2019-11-25 13:53:57,111 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 13:53:57,111 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 142 transitions. [2019-11-25 13:53:57,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-25 13:53:57,112 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:53:57,112 INFO L410 BasicCegarLoop]: trace histogram [10, 10, 10, 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] [2019-11-25 13:53:57,333 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 mathsat -unsat_core_generation=3 [2019-11-25 13:53:57,336 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_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 13:53:57,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:53:57,337 INFO L82 PathProgramCache]: Analyzing trace with hash 534855734, now seen corresponding path program 1 times [2019-11-25 13:53:57,337 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 13:53:57,337 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [522199107] [2019-11-25 13:53:57,337 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 [2019-11-25 13:53:57,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:53:57,513 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-25 13:53:57,515 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:53:57,528 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2019-11-25 13:53:57,528 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 13:53:57,566 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2019-11-25 13:53:57,567 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [522199107] [2019-11-25 13:53:57,567 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 13:53:57,567 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-11-25 13:53:57,567 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141364605] [2019-11-25 13:53:57,567 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-25 13:53:57,568 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 13:53:57,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-25 13:53:57,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-25 13:53:57,568 INFO L87 Difference]: Start difference. First operand 125 states and 142 transitions. Second operand 6 states. [2019-11-25 13:53:57,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:53:57,671 INFO L93 Difference]: Finished difference Result 132 states and 149 transitions. [2019-11-25 13:53:57,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 13:53:57,672 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2019-11-25 13:53:57,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:53:57,674 INFO L225 Difference]: With dead ends: 132 [2019-11-25 13:53:57,675 INFO L226 Difference]: Without dead ends: 132 [2019-11-25 13:53:57,675 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-25 13:53:57,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2019-11-25 13:53:57,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 127. [2019-11-25 13:53:57,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2019-11-25 13:53:57,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 144 transitions. [2019-11-25 13:53:57,680 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 144 transitions. Word has length 58 [2019-11-25 13:53:57,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:53:57,681 INFO L462 AbstractCegarLoop]: Abstraction has 127 states and 144 transitions. [2019-11-25 13:53:57,681 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-25 13:53:57,681 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 144 transitions. [2019-11-25 13:53:57,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-25 13:53:57,682 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:53:57,682 INFO L410 BasicCegarLoop]: trace histogram [15, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 13:53:57,893 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 mathsat -unsat_core_generation=3 [2019-11-25 13:53:57,894 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_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 13:53:57,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:53:57,895 INFO L82 PathProgramCache]: Analyzing trace with hash 1546730881, now seen corresponding path program 3 times [2019-11-25 13:53:57,896 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 13:53:57,896 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [822204406] [2019-11-25 13:53:57,897 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 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 [2019-11-25 13:53:58,311 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2019-11-25 13:53:58,311 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-25 13:53:58,323 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 29 conjunts are in the unsatisfiable core [2019-11-25 13:53:58,325 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:53:58,343 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 [2019-11-25 13:53:58,344 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 13:53:58,349 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:53:58,350 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-25 13:53:58,350 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-25 13:53:58,810 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 41 proven. 260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 13:53:58,810 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 13:54:02,870 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2019-11-25 13:54:03,419 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2019-11-25 13:54:05,060 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 13:54:05,835 WARN L192 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2019-11-25 13:54:06,689 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 13:54:06,690 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [822204406] [2019-11-25 13:54:06,690 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-25 13:54:06,690 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 22] total 42 [2019-11-25 13:54:06,690 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338419255] [2019-11-25 13:54:06,691 INFO L442 AbstractCegarLoop]: Interpolant automaton has 42 states [2019-11-25 13:54:06,691 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 13:54:06,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2019-11-25 13:54:06,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=320, Invalid=1402, Unknown=0, NotChecked=0, Total=1722 [2019-11-25 13:54:06,692 INFO L87 Difference]: Start difference. First operand 127 states and 144 transitions. Second operand 42 states. [2019-11-25 13:54:12,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:54:12,084 INFO L93 Difference]: Finished difference Result 113 states and 125 transitions. [2019-11-25 13:54:12,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-11-25 13:54:12,086 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 58 [2019-11-25 13:54:12,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:54:12,087 INFO L225 Difference]: With dead ends: 113 [2019-11-25 13:54:12,087 INFO L226 Difference]: Without dead ends: 113 [2019-11-25 13:54:12,089 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 72 SyntacticMatches, 3 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 593 ImplicationChecksByTransitivity, 9.1s TimeCoverageRelationStatistics Valid=589, Invalid=2491, Unknown=0, NotChecked=0, Total=3080 [2019-11-25 13:54:12,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2019-11-25 13:54:12,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2019-11-25 13:54:12,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-11-25 13:54:12,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 125 transitions. [2019-11-25 13:54:12,095 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 125 transitions. Word has length 58 [2019-11-25 13:54:12,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:54:12,099 INFO L462 AbstractCegarLoop]: Abstraction has 113 states and 125 transitions. [2019-11-25 13:54:12,099 INFO L463 AbstractCegarLoop]: Interpolant automaton has 42 states. [2019-11-25 13:54:12,099 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 125 transitions. [2019-11-25 13:54:12,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-25 13:54:12,100 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:54:12,100 INFO L410 BasicCegarLoop]: trace histogram [10, 10, 10, 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] [2019-11-25 13:54:12,308 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 mathsat -unsat_core_generation=3 [2019-11-25 13:54:12,309 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_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 13:54:12,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:54:12,310 INFO L82 PathProgramCache]: Analyzing trace with hash 926469409, now seen corresponding path program 1 times [2019-11-25 13:54:12,310 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 13:54:12,311 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1389129495] [2019-11-25 13:54:12,311 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 [2019-11-25 13:54:12,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:54:12,491 INFO L255 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-25 13:54:12,493 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:54:12,497 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 [2019-11-25 13:54:12,497 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 13:54:12,498 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:54:12,499 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-25 13:54:12,499 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-25 13:54:12,551 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2019-11-25 13:54:12,551 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 13:54:12,835 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 mathsat -unsat_core_generation=3 [2019-11-25 13:54:12,836 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.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:351) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-25 13:54:12,843 INFO L168 Benchmark]: Toolchain (without parser) took 120175.19 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 330.8 MB). Free memory was 952.3 MB in the beginning and 1.2 GB in the end (delta: -261.5 MB). Peak memory consumption was 69.3 MB. Max. memory is 11.5 GB. [2019-11-25 13:54:12,843 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 13:54:12,844 INFO L168 Benchmark]: CACSL2BoogieTranslator took 899.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -153.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-11-25 13:54:12,844 INFO L168 Benchmark]: Boogie Preprocessor took 121.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-25 13:54:12,845 INFO L168 Benchmark]: RCFGBuilder took 1742.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 982.0 MB in the end (delta: 117.5 MB). Peak memory consumption was 117.5 MB. Max. memory is 11.5 GB. [2019-11-25 13:54:12,845 INFO L168 Benchmark]: TraceAbstraction took 117406.16 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 179.8 MB). Free memory was 982.0 MB in the beginning and 1.2 GB in the end (delta: -231.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 13:54:12,847 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 899.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -153.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 121.35 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 1742.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 982.0 MB in the end (delta: 117.5 MB). Peak memory consumption was 117.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 117406.16 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 179.8 MB). Free memory was 982.0 MB in the beginning and 1.2 GB in the end (delta: -231.8 MB). There was no memory consumed. 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...