./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test17_1-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G 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 64bit --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-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G 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 64bit --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 13:20:45,512 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 13:20:45,515 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 13:20:45,533 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 13:20:45,534 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 13:20:45,536 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 13:20:45,538 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 13:20:45,549 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 13:20:45,554 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 13:20:45,558 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 13:20:45,560 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 13:20:45,562 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 13:20:45,562 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 13:20:45,566 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 13:20:45,567 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 13:20:45,569 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 13:20:45,571 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 13:20:45,574 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 13:20:45,576 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 13:20:45,581 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 13:20:45,585 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 13:20:45,591 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 13:20:45,593 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 13:20:45,595 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 13:20:45,599 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 13:20:45,599 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 13:20:45,600 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 13:20:45,602 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 13:20:45,602 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 13:20:45,603 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 13:20:45,604 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 13:20:45,605 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 13:20:45,605 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 13:20:45,607 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 13:20:45,608 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 13:20:45,609 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 13:20:45,610 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 13:20:45,610 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 13:20:45,610 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 13:20:45,611 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 13:20:45,613 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 13:20:45,614 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2019-11-25 13:20:45,645 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 13:20:45,646 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 13:20:45,648 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 13:20:45,648 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 13:20:45,648 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 13:20:45,649 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 13:20:45,649 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 13:20:45,649 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 13:20:45,649 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 13:20:45,650 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-25 13:20:45,651 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-25 13:20:45,651 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-25 13:20:45,651 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 13:20:45,652 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-25 13:20:45,652 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 13:20:45,653 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 13:20:45,653 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 13:20:45,653 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 13:20:45,653 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 13:20:45,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 13:20:45,654 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 13:20:45,654 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 13:20:45,655 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 13:20:45,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 13:20:45,655 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85051d52521692aaf1a0de9e5f8f895724c83314 [2019-11-25 13:20:45,989 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 13:20:46,003 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 13:20:46,008 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 13:20:46,009 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 13:20:46,010 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 13:20:46,010 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test17_1-1.i [2019-11-25 13:20:46,068 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07c1904bb/b2c38d4eeb4142df936dc553dd143ef3/FLAGc5b2f5a1a [2019-11-25 13:20:46,591 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 13:20:46,592 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test17_1-1.i [2019-11-25 13:20:46,611 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07c1904bb/b2c38d4eeb4142df936dc553dd143ef3/FLAGc5b2f5a1a [2019-11-25 13:20:46,891 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07c1904bb/b2c38d4eeb4142df936dc553dd143ef3 [2019-11-25 13:20:46,894 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 13:20:46,895 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-25 13:20:46,896 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 13:20:46,897 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 13:20:46,900 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 13:20:46,901 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:20:46" (1/1) ... [2019-11-25 13:20:46,905 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35124bbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:20:46, skipping insertion in model container [2019-11-25 13:20:46,905 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:20:46" (1/1) ... [2019-11-25 13:20:46,916 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 13:20:46,984 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 13:20:47,600 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 13:20:47,632 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 13:20:47,633 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4d424da8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:20:47, skipping insertion in model container [2019-11-25 13:20:47,633 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 13:20:47,636 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-25 13:20:47,638 INFO L168 Benchmark]: Toolchain (without parser) took 742.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -181.1 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2019-11-25 13:20:47,639 INFO L168 Benchmark]: CDTParser took 0.28 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 13:20:47,641 INFO L168 Benchmark]: CACSL2BoogieTranslator took 739.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -181.1 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2019-11-25 13:20:47,643 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 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 739.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -181.1 MB). Peak memory consumption was 20.9 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 13:20:49,493 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 13:20:49,495 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 13:20:49,508 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 13:20:49,509 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 13:20:49,510 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 13:20:49,512 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 13:20:49,514 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 13:20:49,516 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 13:20:49,517 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 13:20:49,518 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 13:20:49,520 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 13:20:49,520 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 13:20:49,524 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 13:20:49,525 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 13:20:49,527 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 13:20:49,530 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 13:20:49,532 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 13:20:49,535 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 13:20:49,537 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 13:20:49,542 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 13:20:49,547 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 13:20:49,550 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 13:20:49,552 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 13:20:49,557 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 13:20:49,557 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 13:20:49,558 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 13:20:49,559 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 13:20:49,559 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 13:20:49,562 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 13:20:49,562 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 13:20:49,564 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 13:20:49,565 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 13:20:49,566 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 13:20:49,568 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 13:20:49,568 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 13:20:49,569 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 13:20:49,569 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 13:20:49,569 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 13:20:49,572 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 13:20:49,574 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 13:20:49,575 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2019-11-25 13:20:49,598 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 13:20:49,598 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 13:20:49,600 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 13:20:49,600 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 13:20:49,600 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 13:20:49,601 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 13:20:49,601 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 13:20:49,601 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 13:20:49,601 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 13:20:49,601 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-25 13:20:49,603 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-25 13:20:49,603 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-25 13:20:49,603 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 13:20:49,604 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-25 13:20:49,604 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 13:20:49,604 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 13:20:49,604 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 13:20:49,605 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 13:20:49,605 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 13:20:49,605 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 13:20:49,605 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 13:20:49,606 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 13:20:49,606 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 13:20:49,606 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 13:20:49,606 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 13:20:49,607 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 13:20:49,607 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 13:20:49,607 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85051d52521692aaf1a0de9e5f8f895724c83314 [2019-11-25 13:20:49,934 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 13:20:49,947 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 13:20:49,951 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 13:20:49,953 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 13:20:49,953 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 13:20:49,954 INFO L428 ainManager$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 13:20:50,016 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12062d5a3/25d5f733b2c14a66a640ab783f541a2b/FLAG8a8a4f48c [2019-11-25 13:20:50,629 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 13:20:50,630 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test17_1-1.i [2019-11-25 13:20:50,656 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12062d5a3/25d5f733b2c14a66a640ab783f541a2b/FLAG8a8a4f48c [2019-11-25 13:20:50,877 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12062d5a3/25d5f733b2c14a66a640ab783f541a2b [2019-11-25 13:20:50,881 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 13:20:50,883 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-25 13:20:50,884 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 13:20:50,884 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 13:20:50,887 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 13:20:50,888 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:20:50" (1/1) ... [2019-11-25 13:20:50,890 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@234f937 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:20:50, skipping insertion in model container [2019-11-25 13:20:50,891 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:20:50" (1/1) ... [2019-11-25 13:20:50,897 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 13:20:50,961 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 13:20:51,528 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 13:20:51,552 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-25 13:20:51,573 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 13:20:51,630 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 13:20:51,640 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 13:20:51,705 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 13:20:51,790 INFO L208 MainTranslator]: Completed translation [2019-11-25 13:20:51,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:20:51 WrapperNode [2019-11-25 13:20:51,791 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 13:20:51,792 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 13:20:51,792 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 13:20:51,792 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 13:20:51,807 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:20:51" (1/1) ... [2019-11-25 13:20:51,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:20:51" (1/1) ... [2019-11-25 13:20:51,838 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:20:51" (1/1) ... [2019-11-25 13:20:51,838 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:20:51" (1/1) ... [2019-11-25 13:20:51,883 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:20:51" (1/1) ... [2019-11-25 13:20:51,896 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:20:51" (1/1) ... [2019-11-25 13:20:51,903 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:20:51" (1/1) ... [2019-11-25 13:20:51,915 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 13:20:51,916 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 13:20:51,916 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 13:20:51,916 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 13:20:51,917 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:20:51" (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 13:20:51,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-25 13:20:51,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 13:20:51,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-25 13:20:51,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-11-25 13:20:51,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-25 13:20:51,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-25 13:20:51,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-25 13:20:51,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-25 13:20:51,978 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-25 13:20:51,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-25 13:20:51,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-25 13:20:51,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-25 13:20:51,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-25 13:20:51,979 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-25 13:20:51,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-25 13:20:51,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-25 13:20:51,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-25 13:20:51,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-25 13:20:51,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-25 13:20:51,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-25 13:20:51,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-25 13:20:51,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-25 13:20:51,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-25 13:20:51,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-25 13:20:51,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-25 13:20:51,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-25 13:20:51,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-25 13:20:51,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-25 13:20:51,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-25 13:20:51,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-25 13:20:51,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-25 13:20:51,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-25 13:20:51,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-25 13:20:51,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-25 13:20:51,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-25 13:20:51,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-25 13:20:51,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-25 13:20:51,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-25 13:20:51,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-25 13:20:51,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-25 13:20:51,985 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-25 13:20:51,986 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-25 13:20:51,986 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_17 [2019-11-25 13:20:51,986 INFO L138 BoogieDeclarations]: Found implementation of procedure free_17 [2019-11-25 13:20:51,986 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-25 13:20:51,986 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-25 13:20:51,987 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-25 13:20:51,987 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-25 13:20:51,987 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-25 13:20:51,987 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-25 13:20:51,988 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-25 13:20:51,988 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-25 13:20:51,988 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-25 13:20:51,988 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-25 13:20:51,988 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-25 13:20:51,989 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-25 13:20:51,989 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-25 13:20:51,989 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-25 13:20:51,989 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-25 13:20:51,989 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-25 13:20:51,990 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-25 13:20:51,990 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-25 13:20:51,990 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-25 13:20:51,990 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-25 13:20:51,990 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-25 13:20:51,991 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-25 13:20:51,991 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-25 13:20:51,991 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-25 13:20:51,991 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-25 13:20:51,991 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-25 13:20:51,992 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-25 13:20:51,992 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-25 13:20:51,992 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-25 13:20:51,992 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-25 13:20:51,993 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-25 13:20:51,993 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-25 13:20:51,993 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-25 13:20:51,993 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-25 13:20:51,993 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-25 13:20:51,994 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-25 13:20:51,994 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-25 13:20:51,994 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-25 13:20:51,994 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-25 13:20:51,994 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-25 13:20:51,995 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-25 13:20:51,995 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-25 13:20:51,995 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-25 13:20:51,995 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-25 13:20:51,995 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-25 13:20:51,996 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-25 13:20:51,996 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-25 13:20:51,996 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-25 13:20:51,996 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-25 13:20:51,996 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-25 13:20:51,997 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-25 13:20:51,997 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-25 13:20:51,997 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-25 13:20:51,997 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-25 13:20:51,997 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-25 13:20:51,997 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-25 13:20:51,998 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-25 13:20:51,998 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-25 13:20:51,998 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-25 13:20:51,998 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-25 13:20:51,998 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-25 13:20:51,999 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-25 13:20:51,999 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-25 13:20:51,999 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-25 13:20:51,999 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-25 13:20:51,999 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-25 13:20:52,000 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-25 13:20:52,000 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-25 13:20:52,000 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-25 13:20:52,000 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-25 13:20:52,001 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-25 13:20:52,001 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-25 13:20:52,001 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-25 13:20:52,001 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-25 13:20:52,002 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-25 13:20:52,002 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-25 13:20:52,002 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-25 13:20:52,002 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-25 13:20:52,003 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-25 13:20:52,003 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-25 13:20:52,003 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-25 13:20:52,003 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-25 13:20:52,004 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-25 13:20:52,004 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-25 13:20:52,004 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-25 13:20:52,004 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-25 13:20:52,005 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-25 13:20:52,005 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-25 13:20:52,005 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-25 13:20:52,005 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-25 13:20:52,005 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-25 13:20:52,006 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-25 13:20:52,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-25 13:20:52,006 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-25 13:20:52,006 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-25 13:20:52,007 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-25 13:20:52,007 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-25 13:20:52,007 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-25 13:20:52,007 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-25 13:20:52,008 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-25 13:20:52,008 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-25 13:20:52,008 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-25 13:20:52,008 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-25 13:20:52,009 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-25 13:20:52,009 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-25 13:20:52,009 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-25 13:20:52,009 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-25 13:20:52,009 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-25 13:20:52,010 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-25 13:20:52,010 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-25 13:20:52,010 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-25 13:20:52,010 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-25 13:20:52,011 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-25 13:20:52,011 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-25 13:20:52,011 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-25 13:20:52,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-25 13:20:52,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-25 13:20:52,012 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-25 13:20:52,012 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-25 13:20:52,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-25 13:20:52,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-25 13:20:52,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-25 13:20:52,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-25 13:20:52,013 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-25 13:20:52,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-25 13:20:52,013 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-25 13:20:52,014 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-25 13:20:52,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-25 13:20:52,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-25 13:20:52,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-25 13:20:52,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-25 13:20:52,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-25 13:20:52,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-25 13:20:52,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-25 13:20:52,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-25 13:20:52,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 13:20:52,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-25 13:20:52,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-25 13:20:52,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-25 13:20:52,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-25 13:20:52,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-25 13:20:52,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-25 13:20:52,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-25 13:20:52,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-25 13:20:52,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-25 13:20:52,018 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-25 13:20:52,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-25 13:20:52,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-25 13:20:52,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-25 13:20:52,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-25 13:20:52,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-25 13:20:52,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-25 13:20:52,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-25 13:20:52,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-25 13:20:52,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-25 13:20:52,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-25 13:20:52,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-25 13:20:52,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-25 13:20:52,020 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-25 13:20:52,021 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-25 13:20:52,021 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_17 [2019-11-25 13:20:52,021 INFO L130 BoogieDeclarations]: Found specification of procedure free_17 [2019-11-25 13:20:52,021 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-25 13:20:52,021 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-25 13:20:52,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-25 13:20:52,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 13:20:52,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-25 13:20:52,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 13:20:52,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-11-25 13:20:52,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-25 13:20:52,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-25 13:20:52,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-25 13:20:52,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-25 13:20:52,710 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-25 13:20:53,102 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-25 13:20:53,610 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 13:20:53,611 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-25 13:20:53,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:20:53 BoogieIcfgContainer [2019-11-25 13:20:53,613 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 13:20:53,615 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 13:20:53,615 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 13:20:53,618 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 13:20:53,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 01:20:50" (1/3) ... [2019-11-25 13:20:53,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c6ecd36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 01:20:53, skipping insertion in model container [2019-11-25 13:20:53,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:20:51" (2/3) ... [2019-11-25 13:20:53,621 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c6ecd36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 01:20:53, skipping insertion in model container [2019-11-25 13:20:53,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:20:53" (3/3) ... [2019-11-25 13:20:53,623 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test17_1-1.i [2019-11-25 13:20:53,633 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 13:20:53,642 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 87 error locations. [2019-11-25 13:20:53,651 INFO L249 AbstractCegarLoop]: Starting to check reachability of 87 error locations. [2019-11-25 13:20:53,672 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 13:20:53,672 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-25 13:20:53,672 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 13:20:53,672 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 13:20:53,672 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 13:20:53,673 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 13:20:53,673 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 13:20:53,673 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 13:20:53,694 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states. [2019-11-25 13:20:53,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-25 13:20:53,703 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:20:53,704 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 13:20:53,705 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 13:20:53,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:20:53,712 INFO L82 PathProgramCache]: Analyzing trace with hash -200276895, now seen corresponding path program 1 times [2019-11-25 13:20:53,725 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 13:20:53,725 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [77536694] [2019-11-25 13:20:53,725 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 13:20:53,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:20:53,909 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-25 13:20:53,917 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:20:54,033 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 13:20:54,034 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 13:20:54,047 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:20:54,048 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-25 13:20:54,048 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-25 13:20:54,145 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 13:20:54,147 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 13:20:55,071 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 13:20:55,075 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [77536694] [2019-11-25 13:20:55,076 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 13:20:55,076 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 13 [2019-11-25 13:20:55,078 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339625097] [2019-11-25 13:20:55,084 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-25 13:20:55,084 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 13:20:55,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-25 13:20:55,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2019-11-25 13:20:55,115 INFO L87 Difference]: Start difference. First operand 141 states. Second operand 14 states. [2019-11-25 13:20:56,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:20:56,733 INFO L93 Difference]: Finished difference Result 93 states and 107 transitions. [2019-11-25 13:20:56,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-25 13:20:56,736 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 16 [2019-11-25 13:20:56,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:20:56,750 INFO L225 Difference]: With dead ends: 93 [2019-11-25 13:20:56,750 INFO L226 Difference]: Without dead ends: 90 [2019-11-25 13:20:56,752 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 17 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=88, Invalid=374, Unknown=0, NotChecked=0, Total=462 [2019-11-25 13:20:56,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2019-11-25 13:20:56,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 77. [2019-11-25 13:20:56,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-11-25 13:20:56,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 89 transitions. [2019-11-25 13:20:56,802 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 89 transitions. Word has length 16 [2019-11-25 13:20:56,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:20:56,803 INFO L462 AbstractCegarLoop]: Abstraction has 77 states and 89 transitions. [2019-11-25 13:20:56,803 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-25 13:20:56,803 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 89 transitions. [2019-11-25 13:20:56,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-25 13:20:56,806 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:20:56,806 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 13:20:57,006 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-25 13:20:57,008 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 13:20:57,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:20:57,009 INFO L82 PathProgramCache]: Analyzing trace with hash -200276896, now seen corresponding path program 1 times [2019-11-25 13:20:57,010 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 13:20:57,010 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [14089421] [2019-11-25 13:20:57,011 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 13:20:57,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:20:57,162 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-25 13:20:57,165 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:20:57,172 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 13:20:57,173 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 13:20:57,177 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:20:57,177 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-25 13:20:57,177 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-25 13:20:57,200 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 13:20:57,200 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 13:20:57,242 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 13:20:57,242 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [14089421] [2019-11-25 13:20:57,243 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 13:20:57,243 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-25 13:20:57,243 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287835577] [2019-11-25 13:20:57,245 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 13:20:57,245 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 13:20:57,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 13:20:57,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 13:20:57,245 INFO L87 Difference]: Start difference. First operand 77 states and 89 transitions. Second operand 5 states. [2019-11-25 13:20:57,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:20:57,436 INFO L93 Difference]: Finished difference Result 83 states and 95 transitions. [2019-11-25 13:20:57,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 13:20:57,437 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-11-25 13:20:57,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:20:57,438 INFO L225 Difference]: With dead ends: 83 [2019-11-25 13:20:57,439 INFO L226 Difference]: Without dead ends: 83 [2019-11-25 13:20:57,439 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 13:20:57,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2019-11-25 13:20:57,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 79. [2019-11-25 13:20:57,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2019-11-25 13:20:57,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 91 transitions. [2019-11-25 13:20:57,450 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 91 transitions. Word has length 16 [2019-11-25 13:20:57,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:20:57,450 INFO L462 AbstractCegarLoop]: Abstraction has 79 states and 91 transitions. [2019-11-25 13:20:57,450 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 13:20:57,450 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 91 transitions. [2019-11-25 13:20:57,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-25 13:20:57,451 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:20:57,451 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 13:20:57,663 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-25 13:20:57,664 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 13:20:57,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:20:57,665 INFO L82 PathProgramCache]: Analyzing trace with hash 687226786, now seen corresponding path program 1 times [2019-11-25 13:20:57,665 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 13:20:57,666 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [557228823] [2019-11-25 13:20:57,666 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 13:20:57,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:20:57,773 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-25 13:20:57,774 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:20:57,819 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 13:20:57,819 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 13:20:57,858 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 13:20:57,859 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [557228823] [2019-11-25 13:20:57,859 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 13:20:57,859 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-25 13:20:57,860 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386930401] [2019-11-25 13:20:57,860 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 13:20:57,860 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 13:20:57,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 13:20:57,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 13:20:57,862 INFO L87 Difference]: Start difference. First operand 79 states and 91 transitions. Second operand 5 states. [2019-11-25 13:20:57,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:20:57,897 INFO L93 Difference]: Finished difference Result 78 states and 87 transitions. [2019-11-25 13:20:57,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 13:20:57,900 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-11-25 13:20:57,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:20:57,901 INFO L225 Difference]: With dead ends: 78 [2019-11-25 13:20:57,901 INFO L226 Difference]: Without dead ends: 78 [2019-11-25 13:20:57,901 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 13:20:57,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2019-11-25 13:20:57,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 76. [2019-11-25 13:20:57,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2019-11-25 13:20:57,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 85 transitions. [2019-11-25 13:20:57,910 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 85 transitions. Word has length 16 [2019-11-25 13:20:57,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:20:57,910 INFO L462 AbstractCegarLoop]: Abstraction has 76 states and 85 transitions. [2019-11-25 13:20:57,910 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 13:20:57,910 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 85 transitions. [2019-11-25 13:20:57,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-25 13:20:57,911 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:20:57,911 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 13:20:58,113 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-25 13:20:58,114 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 13:20:58,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:20:58,115 INFO L82 PathProgramCache]: Analyzing trace with hash -1913632700, now seen corresponding path program 1 times [2019-11-25 13:20:58,116 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 13:20:58,117 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1066002248] [2019-11-25 13:20:58,117 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 13:20:58,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:20:58,233 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-25 13:20:58,234 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:20:58,254 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 13:20:58,254 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 13:20:58,335 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 13:20:58,335 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1066002248] [2019-11-25 13:20:58,335 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 13:20:58,335 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-25 13:20:58,336 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084503370] [2019-11-25 13:20:58,336 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 13:20:58,337 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 13:20:58,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 13:20:58,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 13:20:58,337 INFO L87 Difference]: Start difference. First operand 76 states and 85 transitions. Second operand 5 states. [2019-11-25 13:20:58,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:20:58,377 INFO L93 Difference]: Finished difference Result 78 states and 86 transitions. [2019-11-25 13:20:58,378 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 13:20:58,378 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2019-11-25 13:20:58,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:20:58,379 INFO L225 Difference]: With dead ends: 78 [2019-11-25 13:20:58,380 INFO L226 Difference]: Without dead ends: 78 [2019-11-25 13:20:58,380 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 13:20:58,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2019-11-25 13:20:58,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 76. [2019-11-25 13:20:58,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2019-11-25 13:20:58,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 84 transitions. [2019-11-25 13:20:58,388 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 84 transitions. Word has length 17 [2019-11-25 13:20:58,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:20:58,389 INFO L462 AbstractCegarLoop]: Abstraction has 76 states and 84 transitions. [2019-11-25 13:20:58,389 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 13:20:58,389 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 84 transitions. [2019-11-25 13:20:58,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-25 13:20:58,389 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:20:58,390 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 13:20:58,607 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-25 13:20:58,609 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 13:20:58,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:20:58,610 INFO L82 PathProgramCache]: Analyzing trace with hash -170822365, now seen corresponding path program 1 times [2019-11-25 13:20:58,610 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 13:20:58,611 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [271241868] [2019-11-25 13:20:58,611 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 13:20:58,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:20:58,720 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-25 13:20:58,722 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:20:58,734 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 13:20:58,734 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 13:20:58,787 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 13:20:58,787 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [271241868] [2019-11-25 13:20:58,787 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 13:20:58,788 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-25 13:20:58,788 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764433480] [2019-11-25 13:20:58,788 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 13:20:58,788 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 13:20:58,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 13:20:58,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 13:20:58,789 INFO L87 Difference]: Start difference. First operand 76 states and 84 transitions. Second operand 3 states. [2019-11-25 13:20:58,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:20:58,938 INFO L93 Difference]: Finished difference Result 114 states and 127 transitions. [2019-11-25 13:20:58,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 13:20:58,938 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-11-25 13:20:58,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:20:58,940 INFO L225 Difference]: With dead ends: 114 [2019-11-25 13:20:58,940 INFO L226 Difference]: Without dead ends: 109 [2019-11-25 13:20:58,940 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 13:20:58,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2019-11-25 13:20:58,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 74. [2019-11-25 13:20:58,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2019-11-25 13:20:58,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 81 transitions. [2019-11-25 13:20:58,948 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 81 transitions. Word has length 17 [2019-11-25 13:20:58,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:20:58,948 INFO L462 AbstractCegarLoop]: Abstraction has 74 states and 81 transitions. [2019-11-25 13:20:58,948 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 13:20:58,948 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 81 transitions. [2019-11-25 13:20:58,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-25 13:20:58,949 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:20:58,949 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 13:20:59,170 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-11-25 13:20:59,171 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 13:20:59,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:20:59,172 INFO L82 PathProgramCache]: Analyzing trace with hash -73256383, now seen corresponding path program 1 times [2019-11-25 13:20:59,173 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 13:20:59,173 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [232729003] [2019-11-25 13:20:59,173 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 13:20:59,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:20:59,309 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-25 13:20:59,312 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:20:59,332 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 13:20:59,332 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 13:20:59,339 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:20:59,340 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-25 13:20:59,340 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-25 13:20:59,479 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 13:20:59,479 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 13:21:00,674 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 13:21:00,674 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [232729003] [2019-11-25 13:21:00,674 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-25 13:21:00,675 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2019-11-25 13:21:00,675 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329280366] [2019-11-25 13:21:00,675 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-11-25 13:21:00,676 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 13:21:00,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-11-25 13:21:00,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2019-11-25 13:21:00,676 INFO L87 Difference]: Start difference. First operand 74 states and 81 transitions. Second operand 18 states. [2019-11-25 13:21:01,472 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2019-11-25 13:21:02,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:21:02,586 INFO L93 Difference]: Finished difference Result 91 states and 104 transitions. [2019-11-25 13:21:02,586 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-25 13:21:02,587 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 22 [2019-11-25 13:21:02,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:21:02,588 INFO L225 Difference]: With dead ends: 91 [2019-11-25 13:21:02,588 INFO L226 Difference]: Without dead ends: 91 [2019-11-25 13:21:02,589 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 25 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=155, Invalid=657, Unknown=0, NotChecked=0, Total=812 [2019-11-25 13:21:02,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2019-11-25 13:21:02,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 86. [2019-11-25 13:21:02,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2019-11-25 13:21:02,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 95 transitions. [2019-11-25 13:21:02,598 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 95 transitions. Word has length 22 [2019-11-25 13:21:02,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:21:02,598 INFO L462 AbstractCegarLoop]: Abstraction has 86 states and 95 transitions. [2019-11-25 13:21:02,598 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-11-25 13:21:02,599 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 95 transitions. [2019-11-25 13:21:02,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-25 13:21:02,600 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:21:02,600 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 13:21:02,811 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-11-25 13:21:02,812 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 13:21:02,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:21:02,813 INFO L82 PathProgramCache]: Analyzing trace with hash -1067902475, now seen corresponding path program 1 times [2019-11-25 13:21:02,813 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 13:21:02,814 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1848111849] [2019-11-25 13:21:02,814 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 13:21:02,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:21:02,980 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-25 13:21:02,982 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:21:03,037 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 13:21:03,038 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 13:21:03,164 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 13:21:03,164 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1848111849] [2019-11-25 13:21:03,164 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-25 13:21:03,164 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2019-11-25 13:21:03,164 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583064720] [2019-11-25 13:21:03,165 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-25 13:21:03,165 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 13:21:03,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-25 13:21:03,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2019-11-25 13:21:03,166 INFO L87 Difference]: Start difference. First operand 86 states and 95 transitions. Second operand 12 states. [2019-11-25 13:21:03,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:21:03,566 INFO L93 Difference]: Finished difference Result 92 states and 98 transitions. [2019-11-25 13:21:03,566 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-25 13:21:03,567 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 35 [2019-11-25 13:21:03,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:21:03,568 INFO L225 Difference]: With dead ends: 92 [2019-11-25 13:21:03,568 INFO L226 Difference]: Without dead ends: 92 [2019-11-25 13:21:03,568 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 13:21:03,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2019-11-25 13:21:03,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 91. [2019-11-25 13:21:03,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2019-11-25 13:21:03,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 98 transitions. [2019-11-25 13:21:03,575 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 98 transitions. Word has length 35 [2019-11-25 13:21:03,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:21:03,576 INFO L462 AbstractCegarLoop]: Abstraction has 91 states and 98 transitions. [2019-11-25 13:21:03,576 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-25 13:21:03,576 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 98 transitions. [2019-11-25 13:21:03,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-25 13:21:03,577 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:21:03,577 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 13:21:03,788 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-11-25 13:21:03,788 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 13:21:03,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:21:03,789 INFO L82 PathProgramCache]: Analyzing trace with hash 1190057473, now seen corresponding path program 2 times [2019-11-25 13:21:03,789 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 13:21:03,789 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1186391126] [2019-11-25 13:21:03,789 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 13:21:03,939 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-25 13:21:03,939 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-25 13:21:03,948 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 20 conjunts are in the unsatisfiable core [2019-11-25 13:21:03,950 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:21:03,968 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 13:21:03,969 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 13:21:03,976 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:21:03,976 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-25 13:21:03,976 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-25 13:21:04,325 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 13:21:04,325 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 13:21:05,986 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 13:21:06,572 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 13:21:06,573 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1186391126] [2019-11-25 13:21:06,573 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-25 13:21:06,573 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 27 [2019-11-25 13:21:06,573 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082929184] [2019-11-25 13:21:06,574 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2019-11-25 13:21:06,574 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 13:21:06,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2019-11-25 13:21:06,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=602, Unknown=0, NotChecked=0, Total=756 [2019-11-25 13:21:06,575 INFO L87 Difference]: Start difference. First operand 91 states and 98 transitions. Second operand 28 states. [2019-11-25 13:21:07,821 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 28 [2019-11-25 13:21:08,392 WARN L192 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 48 [2019-11-25 13:21:08,991 WARN L192 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 48 [2019-11-25 13:21:09,352 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 28 [2019-11-25 13:21:09,957 WARN L192 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 48 [2019-11-25 13:21:10,319 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 28 [2019-11-25 13:21:11,865 WARN L192 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 29 [2019-11-25 13:21:12,382 WARN L192 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 48 [2019-11-25 13:21:12,831 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 28 [2019-11-25 13:21:13,248 WARN L192 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2019-11-25 13:21:13,546 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 28 [2019-11-25 13:21:14,001 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2019-11-25 13:21:15,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:21:15,500 INFO L93 Difference]: Finished difference Result 112 states and 125 transitions. [2019-11-25 13:21:15,501 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2019-11-25 13:21:15,501 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 34 [2019-11-25 13:21:15,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:21:15,503 INFO L225 Difference]: With dead ends: 112 [2019-11-25 13:21:15,503 INFO L226 Difference]: Without dead ends: 112 [2019-11-25 13:21:15,504 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 39 SyntacticMatches, 2 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 398 ImplicationChecksByTransitivity, 9.0s TimeCoverageRelationStatistics Valid=487, Invalid=1493, Unknown=0, NotChecked=0, Total=1980 [2019-11-25 13:21:15,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2019-11-25 13:21:15,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 110. [2019-11-25 13:21:15,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2019-11-25 13:21:15,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 122 transitions. [2019-11-25 13:21:15,512 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 122 transitions. Word has length 34 [2019-11-25 13:21:15,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:21:15,512 INFO L462 AbstractCegarLoop]: Abstraction has 110 states and 122 transitions. [2019-11-25 13:21:15,512 INFO L463 AbstractCegarLoop]: Interpolant automaton has 28 states. [2019-11-25 13:21:15,513 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 122 transitions. [2019-11-25 13:21:15,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-25 13:21:15,514 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:21:15,514 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 13:21:15,727 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-11-25 13:21:15,728 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 13:21:15,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:21:15,729 INFO L82 PathProgramCache]: Analyzing trace with hash -321692208, now seen corresponding path program 2 times [2019-11-25 13:21:15,730 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 13:21:15,730 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1821309743] [2019-11-25 13:21:15,730 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 13:21:15,854 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-11-25 13:21:15,855 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-25 13:21:15,857 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-25 13:21:15,860 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:21:15,906 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 13:21:15,906 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 13:21:15,982 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 13:21:15,982 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1821309743] [2019-11-25 13:21:15,983 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 13:21:15,983 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2019-11-25 13:21:15,983 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126829496] [2019-11-25 13:21:15,983 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-25 13:21:15,983 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 13:21:15,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-25 13:21:15,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-25 13:21:15,984 INFO L87 Difference]: Start difference. First operand 110 states and 122 transitions. Second operand 7 states. [2019-11-25 13:21:16,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:21:16,116 INFO L93 Difference]: Finished difference Result 141 states and 157 transitions. [2019-11-25 13:21:16,117 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-25 13:21:16,117 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 50 [2019-11-25 13:21:16,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:21:16,118 INFO L225 Difference]: With dead ends: 141 [2019-11-25 13:21:16,119 INFO L226 Difference]: Without dead ends: 138 [2019-11-25 13:21:16,119 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 13:21:16,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2019-11-25 13:21:16,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 111. [2019-11-25 13:21:16,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-11-25 13:21:16,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 123 transitions. [2019-11-25 13:21:16,125 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 123 transitions. Word has length 50 [2019-11-25 13:21:16,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:21:16,125 INFO L462 AbstractCegarLoop]: Abstraction has 111 states and 123 transitions. [2019-11-25 13:21:16,126 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-25 13:21:16,126 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 123 transitions. [2019-11-25 13:21:16,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-25 13:21:16,127 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:21:16,127 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 13:21:16,347 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2019-11-25 13:21:16,348 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 13:21:16,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:21:16,349 INFO L82 PathProgramCache]: Analyzing trace with hash 115614506, now seen corresponding path program 1 times [2019-11-25 13:21:16,350 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 13:21:16,350 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1645198937] [2019-11-25 13:21:16,351 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 13:21:16,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:21:16,517 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-25 13:21:16,519 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:21:16,680 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 13:21:16,681 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 13:21:17,078 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 13:21:17,079 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1645198937] [2019-11-25 13:21:17,079 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-25 13:21:17,079 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2019-11-25 13:21:17,079 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779298588] [2019-11-25 13:21:17,080 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-11-25 13:21:17,080 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 13:21:17,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-11-25 13:21:17,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=349, Unknown=0, NotChecked=0, Total=462 [2019-11-25 13:21:17,081 INFO L87 Difference]: Start difference. First operand 111 states and 123 transitions. Second operand 22 states. [2019-11-25 13:21:17,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:21:17,688 INFO L93 Difference]: Finished difference Result 111 states and 121 transitions. [2019-11-25 13:21:17,689 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-25 13:21:17,689 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 50 [2019-11-25 13:21:17,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:21:17,690 INFO L225 Difference]: With dead ends: 111 [2019-11-25 13:21:17,690 INFO L226 Difference]: Without dead ends: 111 [2019-11-25 13:21:17,691 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 13:21:17,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2019-11-25 13:21:17,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2019-11-25 13:21:17,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-11-25 13:21:17,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 121 transitions. [2019-11-25 13:21:17,696 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 121 transitions. Word has length 50 [2019-11-25 13:21:17,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:21:17,696 INFO L462 AbstractCegarLoop]: Abstraction has 111 states and 121 transitions. [2019-11-25 13:21:17,696 INFO L463 AbstractCegarLoop]: Interpolant automaton has 22 states. [2019-11-25 13:21:17,697 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 121 transitions. [2019-11-25 13:21:17,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-25 13:21:17,701 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:21:17,701 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 13:21:17,912 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2019-11-25 13:21:17,914 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 13:21:17,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:21:17,916 INFO L82 PathProgramCache]: Analyzing trace with hash -1051535094, now seen corresponding path program 2 times [2019-11-25 13:21:17,916 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 13:21:17,916 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1162615254] [2019-11-25 13:21:17,917 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 13:21:18,105 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-25 13:21:18,105 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-25 13:21:18,116 INFO L255 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-25 13:21:18,118 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:21:18,123 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 13:21:18,123 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 13:21:18,127 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:21:18,128 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-25 13:21:18,128 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-25 13:21:18,239 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:21:18,239 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 13:21:18,241 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 13:21:18,263 INFO L588 ElimStorePlain]: treesize reduction 14, result has 51.7 percent of original size [2019-11-25 13:21:18,264 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 13:21:18,264 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:15 [2019-11-25 13:21:18,297 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 13:21:18,297 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 13:21:18,711 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 13:21:18,712 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1162615254] [2019-11-25 13:21:18,712 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-25 13:21:18,712 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2019-11-25 13:21:18,712 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335391434] [2019-11-25 13:21:18,713 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-11-25 13:21:18,713 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 13:21:18,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-11-25 13:21:18,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2019-11-25 13:21:18,714 INFO L87 Difference]: Start difference. First operand 111 states and 121 transitions. Second operand 17 states. [2019-11-25 13:21:38,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:21:38,820 INFO L93 Difference]: Finished difference Result 240 states and 279 transitions. [2019-11-25 13:21:38,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-11-25 13:21:38,820 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 56 [2019-11-25 13:21:38,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:21:38,823 INFO L225 Difference]: With dead ends: 240 [2019-11-25 13:21:38,823 INFO L226 Difference]: Without dead ends: 240 [2019-11-25 13:21:38,824 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=133, Invalid=623, Unknown=0, NotChecked=0, Total=756 [2019-11-25 13:21:38,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2019-11-25 13:21:38,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 124. [2019-11-25 13:21:38,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2019-11-25 13:21:38,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 146 transitions. [2019-11-25 13:21:38,843 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 146 transitions. Word has length 56 [2019-11-25 13:21:38,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:21:38,844 INFO L462 AbstractCegarLoop]: Abstraction has 124 states and 146 transitions. [2019-11-25 13:21:38,844 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-11-25 13:21:38,844 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 146 transitions. [2019-11-25 13:21:38,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-25 13:21:38,851 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:21:38,851 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 13:21:39,065 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2019-11-25 13:21:39,066 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 13:21:39,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:21:39,066 INFO L82 PathProgramCache]: Analyzing trace with hash -1051535093, now seen corresponding path program 1 times [2019-11-25 13:21:39,067 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 13:21:39,067 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1740934846] [2019-11-25 13:21:39,068 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 13:21:39,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:21:39,287 INFO L255 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 28 conjunts are in the unsatisfiable core [2019-11-25 13:21:39,291 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:21:39,312 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 13:21:39,312 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 13:21:39,320 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:21:39,323 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 13:21:39,323 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-25 13:21:39,335 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:21:39,335 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-25 13:21:39,336 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-11-25 13:21:41,579 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-25 13:21:41,581 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 13:21:41,581 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 13:21:41,598 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:21:41,609 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:21:41,610 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 13:21:41,610 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-25 13:21:41,625 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:21:41,626 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 13:21:41,626 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:28, output treesize:12 [2019-11-25 13:21:41,664 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 13:21:41,665 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 13:21:41,861 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 13:21:42,112 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 13:21:42,112 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 13:21:42,113 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 13:21:47,533 WARN L192 SmtUtils]: Spent 3.16 s on a formula simplification. DAG size of input: 38 DAG size of output: 32 [2019-11-25 13:21:47,537 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 13:21:50,075 INFO L404 ElimStorePlain]: Different costs {1=[|v_#valid_259|], 2=[|v_#length_220|]} [2019-11-25 13:21:50,088 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 13:21:50,088 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 13:21:50,097 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:21:50,099 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-25 13:21:50,099 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-25 13:21:50,110 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:21:50,111 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 13:21:50,111 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:23, output treesize:5 [2019-11-25 13:21:50,688 INFO L404 ElimStorePlain]: Different costs {1=[|#valid|], 2=[|#length|]} [2019-11-25 13:21:50,703 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 13:21:50,703 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 13:21:50,720 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:21:50,723 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-25 13:21:50,724 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-25 13:21:50,743 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:21:50,743 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 13:21:50,743 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:33, output treesize:16 [2019-11-25 13:21:50,897 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 13:21:50,897 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1740934846] [2019-11-25 13:21:50,897 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-25 13:21:50,897 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2019-11-25 13:21:50,897 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86290075] [2019-11-25 13:21:50,898 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-11-25 13:21:50,898 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 13:21:50,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-11-25 13:21:50,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=408, Unknown=2, NotChecked=0, Total=462 [2019-11-25 13:21:50,899 INFO L87 Difference]: Start difference. First operand 124 states and 146 transitions. Second operand 22 states. [2019-11-25 13:22:03,438 WARN L192 SmtUtils]: Spent 6.10 s on a formula simplification. DAG size of input: 40 DAG size of output: 36 [2019-11-25 13:22:22,844 WARN L192 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 54 [2019-11-25 13:22:41,900 WARN L192 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 30 [2019-11-25 13:22:57,389 WARN L192 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2019-11-25 13:23:19,454 WARN L192 SmtUtils]: Spent 8.16 s on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2019-11-25 13:23:57,598 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 24 [2019-11-25 13:24:02,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:24:02,591 INFO L93 Difference]: Finished difference Result 240 states and 286 transitions. [2019-11-25 13:24:02,593 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-11-25 13:24:02,593 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 56 [2019-11-25 13:24:02,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:24:02,599 INFO L225 Difference]: With dead ends: 240 [2019-11-25 13:24:02,599 INFO L226 Difference]: Without dead ends: 240 [2019-11-25 13:24:02,600 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 88 SyntacticMatches, 3 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 46.7s TimeCoverageRelationStatistics Valid=157, Invalid=1094, Unknown=9, NotChecked=0, Total=1260 [2019-11-25 13:24:02,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2019-11-25 13:24:02,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 142. [2019-11-25 13:24:02,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2019-11-25 13:24:02,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 174 transitions. [2019-11-25 13:24:02,612 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 174 transitions. Word has length 56 [2019-11-25 13:24:02,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:24:02,613 INFO L462 AbstractCegarLoop]: Abstraction has 142 states and 174 transitions. [2019-11-25 13:24:02,613 INFO L463 AbstractCegarLoop]: Interpolant automaton has 22 states. [2019-11-25 13:24:02,613 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 174 transitions. [2019-11-25 13:24:02,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-25 13:24:02,614 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:24:02,615 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 13:24:02,826 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 mathsat -unsat_core_generation=3 [2019-11-25 13:24:02,827 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 13:24:02,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:24:02,827 INFO L82 PathProgramCache]: Analyzing trace with hash -1207954601, now seen corresponding path program 1 times [2019-11-25 13:24:02,828 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 13:24:02,828 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [721456729] [2019-11-25 13:24:02,829 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 13:24:02,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:24:03,006 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-25 13:24:03,007 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:24:03,022 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 13:24:03,022 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 13:24:03,059 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 13:24:03,060 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [721456729] [2019-11-25 13:24:03,060 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 13:24:03,060 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-25 13:24:03,061 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425099929] [2019-11-25 13:24:03,061 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 13:24:03,061 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 13:24:03,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 13:24:03,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 13:24:03,062 INFO L87 Difference]: Start difference. First operand 142 states and 174 transitions. Second operand 5 states. [2019-11-25 13:24:03,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:24:03,119 INFO L93 Difference]: Finished difference Result 159 states and 191 transitions. [2019-11-25 13:24:03,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-25 13:24:03,120 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2019-11-25 13:24:03,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:24:03,123 INFO L225 Difference]: With dead ends: 159 [2019-11-25 13:24:03,123 INFO L226 Difference]: Without dead ends: 159 [2019-11-25 13:24:03,123 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 13:24:03,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2019-11-25 13:24:03,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 146. [2019-11-25 13:24:03,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2019-11-25 13:24:03,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 176 transitions. [2019-11-25 13:24:03,129 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 176 transitions. Word has length 58 [2019-11-25 13:24:03,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:24:03,129 INFO L462 AbstractCegarLoop]: Abstraction has 146 states and 176 transitions. [2019-11-25 13:24:03,129 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 13:24:03,129 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 176 transitions. [2019-11-25 13:24:03,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-25 13:24:03,130 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:24:03,130 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 13:24:03,334 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 mathsat -unsat_core_generation=3 [2019-11-25 13:24:03,337 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 13:24:03,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:24:03,338 INFO L82 PathProgramCache]: Analyzing trace with hash 534855734, now seen corresponding path program 1 times [2019-11-25 13:24:03,338 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 13:24:03,338 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1791280992] [2019-11-25 13:24:03,339 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 13:24:03,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:24:03,523 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-25 13:24:03,525 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:24:03,537 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 13:24:03,537 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 13:24:03,573 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 13:24:03,574 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1791280992] [2019-11-25 13:24:03,574 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 13:24:03,574 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-11-25 13:24:03,575 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494078385] [2019-11-25 13:24:03,575 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-25 13:24:03,575 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 13:24:03,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-25 13:24:03,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-25 13:24:03,576 INFO L87 Difference]: Start difference. First operand 146 states and 176 transitions. Second operand 6 states. [2019-11-25 13:24:03,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:24:03,657 INFO L93 Difference]: Finished difference Result 153 states and 183 transitions. [2019-11-25 13:24:03,658 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 13:24:03,658 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2019-11-25 13:24:03,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:24:03,659 INFO L225 Difference]: With dead ends: 153 [2019-11-25 13:24:03,659 INFO L226 Difference]: Without dead ends: 153 [2019-11-25 13:24:03,660 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 13:24:03,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2019-11-25 13:24:03,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 148. [2019-11-25 13:24:03,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2019-11-25 13:24:03,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 178 transitions. [2019-11-25 13:24:03,665 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 178 transitions. Word has length 58 [2019-11-25 13:24:03,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:24:03,665 INFO L462 AbstractCegarLoop]: Abstraction has 148 states and 178 transitions. [2019-11-25 13:24:03,665 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-25 13:24:03,666 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 178 transitions. [2019-11-25 13:24:03,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-25 13:24:03,666 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:24:03,667 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 13:24:03,878 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 mathsat -unsat_core_generation=3 [2019-11-25 13:24:03,878 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 13:24:03,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:24:03,879 INFO L82 PathProgramCache]: Analyzing trace with hash 1546730881, now seen corresponding path program 3 times [2019-11-25 13:24:03,880 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 13:24:03,880 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1338419255] [2019-11-25 13:24:03,880 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 13:24:04,338 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2019-11-25 13:24:04,338 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-25 13:24:04,350 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 29 conjunts are in the unsatisfiable core [2019-11-25 13:24:04,352 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:24:04,367 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 13:24:04,367 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 13:24:04,372 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:24:04,372 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-25 13:24:04,372 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-25 13:24:04,809 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 13:24:04,809 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 13:24:10,777 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 13:24:11,536 WARN L192 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2019-11-25 13:24:12,390 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 13:24:12,391 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1338419255] [2019-11-25 13:24:12,391 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-25 13:24:12,391 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 22] total 42 [2019-11-25 13:24:12,391 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079466806] [2019-11-25 13:24:12,392 INFO L442 AbstractCegarLoop]: Interpolant automaton has 42 states [2019-11-25 13:24:12,392 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 13:24:12,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2019-11-25 13:24:12,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=320, Invalid=1402, Unknown=0, NotChecked=0, Total=1722 [2019-11-25 13:24:12,394 INFO L87 Difference]: Start difference. First operand 148 states and 178 transitions. Second operand 42 states. [2019-11-25 13:24:15,905 WARN L192 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-11-25 13:24:16,733 WARN L192 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2019-11-25 13:24:19,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:24:19,289 INFO L93 Difference]: Finished difference Result 136 states and 162 transitions. [2019-11-25 13:24:19,291 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-11-25 13:24:19,291 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 58 [2019-11-25 13:24:19,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:24:19,292 INFO L225 Difference]: With dead ends: 136 [2019-11-25 13:24:19,292 INFO L226 Difference]: Without dead ends: 136 [2019-11-25 13:24:19,293 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 72 SyntacticMatches, 3 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 649 ImplicationChecksByTransitivity, 9.8s TimeCoverageRelationStatistics Valid=601, Invalid=2705, Unknown=0, NotChecked=0, Total=3306 [2019-11-25 13:24:19,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2019-11-25 13:24:19,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 134. [2019-11-25 13:24:19,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-11-25 13:24:19,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 159 transitions. [2019-11-25 13:24:19,298 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 159 transitions. Word has length 58 [2019-11-25 13:24:19,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:24:19,299 INFO L462 AbstractCegarLoop]: Abstraction has 134 states and 159 transitions. [2019-11-25 13:24:19,299 INFO L463 AbstractCegarLoop]: Interpolant automaton has 42 states. [2019-11-25 13:24:19,299 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 159 transitions. [2019-11-25 13:24:19,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-25 13:24:19,300 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:24:19,300 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 13:24:19,506 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 mathsat -unsat_core_generation=3 [2019-11-25 13:24:19,507 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 13:24:19,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:24:19,508 INFO L82 PathProgramCache]: Analyzing trace with hash 926469409, now seen corresponding path program 1 times [2019-11-25 13:24:19,508 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 13:24:19,509 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1408897379] [2019-11-25 13:24:19,509 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 13:24:19,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:24:19,683 INFO L255 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-25 13:24:19,685 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:24:19,692 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 13:24:19,693 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 13:24:19,696 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:24:19,696 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-25 13:24:19,696 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-25 13:24:19,751 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 13:24:19,751 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 13:24:20,018 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 mathsat -unsat_core_generation=3 [2019-11-25 13:24:20,019 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-25 13:24:20,025 INFO L168 Benchmark]: Toolchain (without parser) took 209142.43 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 291.5 MB). Free memory was 952.3 MB in the beginning and 740.4 MB in the end (delta: 211.9 MB). Peak memory consumption was 503.4 MB. Max. memory is 11.5 GB. [2019-11-25 13:24:20,025 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 13:24:20,027 INFO L168 Benchmark]: CACSL2BoogieTranslator took 907.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 84.4 MB). Free memory was 952.3 MB in the beginning and 1.0 GB in the end (delta: -79.0 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2019-11-25 13:24:20,027 INFO L168 Benchmark]: Boogie Preprocessor took 123.54 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 13:24:20,028 INFO L168 Benchmark]: RCFGBuilder took 1696.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 907.2 MB in the end (delta: 124.1 MB). Peak memory consumption was 124.1 MB. Max. memory is 11.5 GB. [2019-11-25 13:24:20,028 INFO L168 Benchmark]: TraceAbstraction took 206408.87 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 207.1 MB). Free memory was 907.2 MB in the beginning and 740.4 MB in the end (delta: 166.8 MB). Peak memory consumption was 373.9 MB. Max. memory is 11.5 GB. [2019-11-25 13:24:20,034 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 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 907.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 84.4 MB). Free memory was 952.3 MB in the beginning and 1.0 GB in the end (delta: -79.0 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 123.54 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1696.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 907.2 MB in the end (delta: 124.1 MB). Peak memory consumption was 124.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 206408.87 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 207.1 MB). Free memory was 907.2 MB in the beginning and 740.4 MB in the end (delta: 166.8 MB). Peak memory consumption was 373.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Alternating quantifiers not yet supported: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:283) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...