./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test17_1-2.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_1-2.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 4e7f10697bf40be831ee927139b8f7b8ae344247 ......................................................................................................................... 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_1-2.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 4e7f10697bf40be831ee927139b8f7b8ae344247 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 13:21:12,658 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 13:21:12,660 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 13:21:12,673 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 13:21:12,673 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 13:21:12,674 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 13:21:12,676 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 13:21:12,678 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 13:21:12,679 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 13:21:12,680 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 13:21:12,681 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 13:21:12,683 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 13:21:12,683 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 13:21:12,684 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 13:21:12,685 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 13:21:12,686 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 13:21:12,687 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 13:21:12,688 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 13:21:12,690 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 13:21:12,692 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 13:21:12,694 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 13:21:12,695 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 13:21:12,696 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 13:21:12,697 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 13:21:12,700 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 13:21:12,700 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 13:21:12,700 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 13:21:12,701 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 13:21:12,702 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 13:21:12,703 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 13:21:12,703 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 13:21:12,704 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 13:21:12,705 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 13:21:12,706 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 13:21:12,707 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 13:21:12,707 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 13:21:12,708 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 13:21:12,709 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 13:21:12,709 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 13:21:12,710 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 13:21:12,711 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 13:21:12,711 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2019-11-25 13:21:12,726 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 13:21:12,726 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 13:21:12,728 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 13:21:12,728 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 13:21:12,728 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 13:21:12,729 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 13:21:12,729 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 13:21:12,729 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 13:21:12,730 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 13:21:12,730 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-25 13:21:12,730 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-25 13:21:12,730 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-25 13:21:12,731 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 13:21:12,731 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-25 13:21:12,731 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 13:21:12,731 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 13:21:12,732 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 13:21:12,732 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 13:21:12,732 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 13:21:12,732 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 13:21:12,733 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 13:21:12,733 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 13:21:12,733 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 13:21:12,734 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 13:21:12,734 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 -> 4e7f10697bf40be831ee927139b8f7b8ae344247 [2019-11-25 13:21:13,134 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 13:21:13,147 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 13:21:13,150 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 13:21:13,152 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 13:21:13,152 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 13:21:13,153 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test17_1-2.i [2019-11-25 13:21:13,214 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8234ee864/654b8235010e48f6997ce478e7ee7c75/FLAG0f5da996b [2019-11-25 13:21:13,751 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 13:21:13,751 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test17_1-2.i [2019-11-25 13:21:13,778 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8234ee864/654b8235010e48f6997ce478e7ee7c75/FLAG0f5da996b [2019-11-25 13:21:14,041 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8234ee864/654b8235010e48f6997ce478e7ee7c75 [2019-11-25 13:21:14,045 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 13:21:14,047 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-25 13:21:14,049 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 13:21:14,049 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 13:21:14,054 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 13:21:14,055 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:21:14" (1/1) ... [2019-11-25 13:21:14,058 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ab0f1e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:21:14, skipping insertion in model container [2019-11-25 13:21:14,058 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:21:14" (1/1) ... [2019-11-25 13:21:14,067 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 13:21:14,137 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 13:21:14,793 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 13:21:14,821 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 13:21:14,829 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7520edab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:21:14, skipping insertion in model container [2019-11-25 13:21:14,830 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 13:21:14,830 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-25 13:21:14,834 INFO L168 Benchmark]: Toolchain (without parser) took 785.19 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 80.2 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -103.1 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. [2019-11-25 13:21:14,835 INFO L168 Benchmark]: CDTParser took 0.25 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 13:21:14,837 INFO L168 Benchmark]: CACSL2BoogieTranslator took 781.58 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 80.2 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -103.1 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. [2019-11-25 13:21:14,841 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 781.58 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 80.2 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -103.1 MB). Peak memory consumption was 15.3 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 13:21:16,660 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 13:21:16,662 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 13:21:16,673 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 13:21:16,674 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 13:21:16,675 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 13:21:16,677 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 13:21:16,679 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 13:21:16,681 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 13:21:16,682 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 13:21:16,683 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 13:21:16,684 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 13:21:16,685 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 13:21:16,686 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 13:21:16,687 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 13:21:16,688 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 13:21:16,689 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 13:21:16,691 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 13:21:16,693 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 13:21:16,695 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 13:21:16,697 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 13:21:16,698 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 13:21:16,702 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 13:21:16,702 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 13:21:16,709 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 13:21:16,709 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 13:21:16,710 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 13:21:16,711 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 13:21:16,711 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 13:21:16,715 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 13:21:16,715 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 13:21:16,716 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 13:21:16,718 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 13:21:16,718 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 13:21:16,722 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 13:21:16,723 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 13:21:16,724 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 13:21:16,725 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 13:21:16,725 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 13:21:16,729 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 13:21:16,731 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 13:21:16,733 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2019-11-25 13:21:16,758 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 13:21:16,758 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 13:21:16,760 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 13:21:16,760 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 13:21:16,761 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 13:21:16,761 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 13:21:16,761 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 13:21:16,762 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 13:21:16,762 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 13:21:16,762 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-25 13:21:16,763 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-25 13:21:16,764 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-25 13:21:16,764 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 13:21:16,765 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-25 13:21:16,765 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 13:21:16,765 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 13:21:16,765 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 13:21:16,766 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 13:21:16,766 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 13:21:16,766 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 13:21:16,767 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 13:21:16,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 13:21:16,767 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 13:21:16,768 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 13:21:16,768 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 13:21:16,768 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 13:21:16,768 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 13:21:16,769 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 -> 4e7f10697bf40be831ee927139b8f7b8ae344247 [2019-11-25 13:21:17,094 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 13:21:17,112 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 13:21:17,115 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 13:21:17,117 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 13:21:17,117 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 13:21:17,118 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test17_1-2.i [2019-11-25 13:21:17,189 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3caa5d582/3a9ad50c4fc64db191574d4fb08f0bd8/FLAGa7ea46aa1 [2019-11-25 13:21:17,759 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 13:21:17,760 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test17_1-2.i [2019-11-25 13:21:17,777 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3caa5d582/3a9ad50c4fc64db191574d4fb08f0bd8/FLAGa7ea46aa1 [2019-11-25 13:21:18,042 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3caa5d582/3a9ad50c4fc64db191574d4fb08f0bd8 [2019-11-25 13:21:18,045 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 13:21:18,047 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-25 13:21:18,047 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 13:21:18,048 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 13:21:18,051 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 13:21:18,052 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:21:18" (1/1) ... [2019-11-25 13:21:18,055 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58451951 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:21:18, skipping insertion in model container [2019-11-25 13:21:18,055 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:21:18" (1/1) ... [2019-11-25 13:21:18,062 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 13:21:18,111 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 13:21:18,710 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 13:21:18,733 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-25 13:21:18,766 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 13:21:18,828 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 13:21:18,837 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 13:21:18,914 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 13:21:19,002 INFO L208 MainTranslator]: Completed translation [2019-11-25 13:21:19,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:21:19 WrapperNode [2019-11-25 13:21:19,003 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 13:21:19,004 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 13:21:19,004 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 13:21:19,004 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 13:21:19,019 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:21:19" (1/1) ... [2019-11-25 13:21:19,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:21:19" (1/1) ... [2019-11-25 13:21:19,049 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:21:19" (1/1) ... [2019-11-25 13:21:19,049 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:21:19" (1/1) ... [2019-11-25 13:21:19,089 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:21:19" (1/1) ... [2019-11-25 13:21:19,105 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:21:19" (1/1) ... [2019-11-25 13:21:19,112 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:21:19" (1/1) ... [2019-11-25 13:21:19,140 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 13:21:19,141 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 13:21:19,141 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 13:21:19,141 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 13:21:19,142 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:21:19" (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 13:21:19,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-25 13:21:19,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 13:21:19,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-25 13:21:19,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-11-25 13:21:19,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-25 13:21:19,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-25 13:21:19,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-25 13:21:19,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-25 13:21:19,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-25 13:21:19,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-25 13:21:19,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-25 13:21:19,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-25 13:21:19,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-25 13:21:19,235 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-25 13:21:19,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-25 13:21:19,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-25 13:21:19,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-25 13:21:19,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-25 13:21:19,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-25 13:21:19,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-25 13:21:19,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-25 13:21:19,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-25 13:21:19,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-25 13:21:19,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-25 13:21:19,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-25 13:21:19,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-25 13:21:19,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-25 13:21:19,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-25 13:21:19,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-25 13:21:19,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-25 13:21:19,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-25 13:21:19,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-25 13:21:19,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-25 13:21:19,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-25 13:21:19,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-25 13:21:19,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-25 13:21:19,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-25 13:21:19,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-25 13:21:19,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-25 13:21:19,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-25 13:21:19,241 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-25 13:21:19,241 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-25 13:21:19,241 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_17 [2019-11-25 13:21:19,242 INFO L138 BoogieDeclarations]: Found implementation of procedure free_17 [2019-11-25 13:21:19,242 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-25 13:21:19,242 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-25 13:21:19,242 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-25 13:21:19,242 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-25 13:21:19,243 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-25 13:21:19,243 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-25 13:21:19,243 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-25 13:21:19,243 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-25 13:21:19,244 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-25 13:21:19,244 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-25 13:21:19,244 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-25 13:21:19,244 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-25 13:21:19,245 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-25 13:21:19,245 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-25 13:21:19,245 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-25 13:21:19,245 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-25 13:21:19,245 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-25 13:21:19,246 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-25 13:21:19,246 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-25 13:21:19,246 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-25 13:21:19,246 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-25 13:21:19,246 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-25 13:21:19,247 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-25 13:21:19,247 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-25 13:21:19,247 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-25 13:21:19,247 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-25 13:21:19,247 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-25 13:21:19,248 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-25 13:21:19,248 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-25 13:21:19,248 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-25 13:21:19,248 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-25 13:21:19,249 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-25 13:21:19,249 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-25 13:21:19,249 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-25 13:21:19,249 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-25 13:21:19,249 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-25 13:21:19,250 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-25 13:21:19,250 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-25 13:21:19,250 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-25 13:21:19,250 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-25 13:21:19,250 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-25 13:21:19,251 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-25 13:21:19,251 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-25 13:21:19,251 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-25 13:21:19,251 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-25 13:21:19,251 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-25 13:21:19,252 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-25 13:21:19,252 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-25 13:21:19,252 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-25 13:21:19,252 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-25 13:21:19,252 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-25 13:21:19,253 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-25 13:21:19,253 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-25 13:21:19,253 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-25 13:21:19,253 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-25 13:21:19,253 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-25 13:21:19,254 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-25 13:21:19,254 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-25 13:21:19,254 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-25 13:21:19,254 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-25 13:21:19,254 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-25 13:21:19,255 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-25 13:21:19,255 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-25 13:21:19,255 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-25 13:21:19,255 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-25 13:21:19,255 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-25 13:21:19,256 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-25 13:21:19,256 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-25 13:21:19,256 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-25 13:21:19,256 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-25 13:21:19,256 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-25 13:21:19,257 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-25 13:21:19,257 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-25 13:21:19,257 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-25 13:21:19,257 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-25 13:21:19,257 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-25 13:21:19,258 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-25 13:21:19,258 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-25 13:21:19,258 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-25 13:21:19,258 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-25 13:21:19,258 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-25 13:21:19,259 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-25 13:21:19,259 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-25 13:21:19,259 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-25 13:21:19,259 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-25 13:21:19,260 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-25 13:21:19,260 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-25 13:21:19,260 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-25 13:21:19,260 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-25 13:21:19,260 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-25 13:21:19,261 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-25 13:21:19,261 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-25 13:21:19,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-25 13:21:19,261 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-25 13:21:19,262 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-25 13:21:19,262 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-25 13:21:19,262 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-25 13:21:19,262 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-25 13:21:19,262 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-25 13:21:19,263 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-25 13:21:19,263 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-25 13:21:19,263 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-25 13:21:19,263 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-25 13:21:19,263 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-25 13:21:19,264 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-25 13:21:19,264 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-25 13:21:19,264 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-25 13:21:19,264 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-25 13:21:19,264 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-25 13:21:19,265 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-25 13:21:19,265 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-25 13:21:19,265 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-25 13:21:19,265 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-25 13:21:19,266 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-25 13:21:19,266 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-25 13:21:19,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-25 13:21:19,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-25 13:21:19,266 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-25 13:21:19,267 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-25 13:21:19,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-25 13:21:19,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-25 13:21:19,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-25 13:21:19,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-25 13:21:19,268 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-25 13:21:19,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-25 13:21:19,268 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-25 13:21:19,268 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-25 13:21:19,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-25 13:21:19,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-25 13:21:19,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-25 13:21:19,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-25 13:21:19,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-25 13:21:19,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-25 13:21:19,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-25 13:21:19,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-25 13:21:19,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 13:21:19,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-25 13:21:19,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-25 13:21:19,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-25 13:21:19,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-25 13:21:19,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-25 13:21:19,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-25 13:21:19,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-25 13:21:19,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-25 13:21:19,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-25 13:21:19,272 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-25 13:21:19,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-25 13:21:19,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-25 13:21:19,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-25 13:21:19,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-25 13:21:19,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-25 13:21:19,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-25 13:21:19,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-25 13:21:19,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-25 13:21:19,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-25 13:21:19,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-25 13:21:19,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-25 13:21:19,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-25 13:21:19,274 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-25 13:21:19,274 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-25 13:21:19,275 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_17 [2019-11-25 13:21:19,275 INFO L130 BoogieDeclarations]: Found specification of procedure free_17 [2019-11-25 13:21:19,275 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-25 13:21:19,275 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-25 13:21:19,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-25 13:21:19,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 13:21:19,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-25 13:21:19,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 13:21:19,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-11-25 13:21:19,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-25 13:21:19,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-25 13:21:19,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-25 13:21:19,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-25 13:21:20,064 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-25 13:21:20,472 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-25 13:21:21,044 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 13:21:21,045 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-25 13:21:21,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:21:21 BoogieIcfgContainer [2019-11-25 13:21:21,046 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 13:21:21,048 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 13:21:21,048 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 13:21:21,051 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 13:21:21,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 01:21:18" (1/3) ... [2019-11-25 13:21:21,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e385650 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 01:21:21, skipping insertion in model container [2019-11-25 13:21:21,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:21:19" (2/3) ... [2019-11-25 13:21:21,054 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e385650 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 01:21:21, skipping insertion in model container [2019-11-25 13:21:21,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:21:21" (3/3) ... [2019-11-25 13:21:21,056 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test17_1-2.i [2019-11-25 13:21:21,067 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 13:21:21,076 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 90 error locations. [2019-11-25 13:21:21,089 INFO L249 AbstractCegarLoop]: Starting to check reachability of 90 error locations. [2019-11-25 13:21:21,111 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 13:21:21,111 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-25 13:21:21,111 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 13:21:21,112 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 13:21:21,112 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 13:21:21,112 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 13:21:21,112 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 13:21:21,112 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 13:21:21,135 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states. [2019-11-25 13:21:21,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-25 13:21:21,145 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:21:21,146 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 13:21:21,148 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 13:21:21,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:21:21,155 INFO L82 PathProgramCache]: Analyzing trace with hash -67233649, now seen corresponding path program 1 times [2019-11-25 13:21:21,168 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 13:21:21,169 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [810820224] [2019-11-25 13:21:21,169 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 13:21:21,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:21:21,371 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-25 13:21:21,378 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:21:21,453 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 13:21:21,454 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 13:21:21,466 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:21:21,467 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-25 13:21:21,467 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-25 13:21:21,496 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 13:21:21,496 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 13:21:21,568 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 13:21:21,571 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [810820224] [2019-11-25 13:21:21,572 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 13:21:21,572 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-25 13:21:21,573 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124876977] [2019-11-25 13:21:21,579 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 13:21:21,579 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 13:21:21,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 13:21:21,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 13:21:21,607 INFO L87 Difference]: Start difference. First operand 147 states. Second operand 5 states. [2019-11-25 13:21:21,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:21:21,907 INFO L93 Difference]: Finished difference Result 87 states and 98 transitions. [2019-11-25 13:21:21,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 13:21:21,909 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-11-25 13:21:21,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:21:21,926 INFO L225 Difference]: With dead ends: 87 [2019-11-25 13:21:21,927 INFO L226 Difference]: Without dead ends: 84 [2019-11-25 13:21:21,940 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 13:21:21,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2019-11-25 13:21:22,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 80. [2019-11-25 13:21:22,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2019-11-25 13:21:22,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 91 transitions. [2019-11-25 13:21:22,015 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 91 transitions. Word has length 16 [2019-11-25 13:21:22,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:21:22,017 INFO L462 AbstractCegarLoop]: Abstraction has 80 states and 91 transitions. [2019-11-25 13:21:22,017 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 13:21:22,017 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 91 transitions. [2019-11-25 13:21:22,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-25 13:21:22,019 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:21:22,020 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 13:21:22,232 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-25 13:21:22,234 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 13:21:22,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:21:22,235 INFO L82 PathProgramCache]: Analyzing trace with hash -67233648, now seen corresponding path program 1 times [2019-11-25 13:21:22,236 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 13:21:22,236 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [283424438] [2019-11-25 13:21:22,238 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 13:21:22,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:21:22,383 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-25 13:21:22,385 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:21:22,413 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 13:21:22,413 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 13:21:22,419 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:21:22,420 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-25 13:21:22,420 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-25 13:21:22,489 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 13:21:22,489 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 13:21:23,406 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 13:21:23,406 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [283424438] [2019-11-25 13:21:23,406 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 13:21:23,407 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 13 [2019-11-25 13:21:23,407 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073289386] [2019-11-25 13:21:23,408 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-25 13:21:23,409 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 13:21:23,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-25 13:21:23,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2019-11-25 13:21:23,410 INFO L87 Difference]: Start difference. First operand 80 states and 91 transitions. Second operand 14 states. [2019-11-25 13:21:24,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:21:24,929 INFO L93 Difference]: Finished difference Result 95 states and 111 transitions. [2019-11-25 13:21:24,930 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-25 13:21:24,930 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 16 [2019-11-25 13:21:24,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:21:24,933 INFO L225 Difference]: With dead ends: 95 [2019-11-25 13:21:24,933 INFO L226 Difference]: Without dead ends: 95 [2019-11-25 13:21:24,934 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 17 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=88, Invalid=374, Unknown=0, NotChecked=0, Total=462 [2019-11-25 13:21:24,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2019-11-25 13:21:24,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 85. [2019-11-25 13:21:24,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2019-11-25 13:21:24,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 97 transitions. [2019-11-25 13:21:24,946 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 97 transitions. Word has length 16 [2019-11-25 13:21:24,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:21:24,946 INFO L462 AbstractCegarLoop]: Abstraction has 85 states and 97 transitions. [2019-11-25 13:21:24,946 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-25 13:21:24,946 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 97 transitions. [2019-11-25 13:21:24,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-25 13:21:24,947 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:21:24,948 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 13:21:25,151 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-25 13:21:25,153 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 13:21:25,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:21:25,154 INFO L82 PathProgramCache]: Analyzing trace with hash 820270032, now seen corresponding path program 1 times [2019-11-25 13:21:25,155 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 13:21:25,155 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [598780449] [2019-11-25 13:21:25,155 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 13:21:25,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:21:25,279 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-25 13:21:25,281 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:21:25,329 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 13:21:25,329 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 13:21:25,374 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 13:21:25,374 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [598780449] [2019-11-25 13:21:25,375 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 13:21:25,375 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-25 13:21:25,375 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920466072] [2019-11-25 13:21:25,376 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 13:21:25,377 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 13:21:25,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 13:21:25,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 13:21:25,377 INFO L87 Difference]: Start difference. First operand 85 states and 97 transitions. Second operand 5 states. [2019-11-25 13:21:25,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:21:25,449 INFO L93 Difference]: Finished difference Result 84 states and 93 transitions. [2019-11-25 13:21:25,451 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 13:21:25,451 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-11-25 13:21:25,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:21:25,455 INFO L225 Difference]: With dead ends: 84 [2019-11-25 13:21:25,455 INFO L226 Difference]: Without dead ends: 84 [2019-11-25 13:21:25,456 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 13:21:25,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2019-11-25 13:21:25,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 82. [2019-11-25 13:21:25,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2019-11-25 13:21:25,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 91 transitions. [2019-11-25 13:21:25,474 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 91 transitions. Word has length 16 [2019-11-25 13:21:25,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:21:25,475 INFO L462 AbstractCegarLoop]: Abstraction has 82 states and 91 transitions. [2019-11-25 13:21:25,476 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 13:21:25,476 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 91 transitions. [2019-11-25 13:21:25,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-25 13:21:25,477 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:21:25,477 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 13:21:25,687 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-25 13:21:25,688 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 13:21:25,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:21:25,689 INFO L82 PathProgramCache]: Analyzing trace with hash -2083416263, now seen corresponding path program 1 times [2019-11-25 13:21:25,689 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 13:21:25,690 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1356114411] [2019-11-25 13:21:25,691 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 13:21:25,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:21:25,797 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-25 13:21:25,799 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:21:25,827 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 13:21:25,828 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 13:21:25,912 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 13:21:25,912 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1356114411] [2019-11-25 13:21:25,913 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 13:21:25,913 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-25 13:21:25,913 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845415767] [2019-11-25 13:21:25,914 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 13:21:25,914 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 13:21:25,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 13:21:25,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 13:21:25,914 INFO L87 Difference]: Start difference. First operand 82 states and 91 transitions. Second operand 5 states. [2019-11-25 13:21:25,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:21:25,987 INFO L93 Difference]: Finished difference Result 84 states and 92 transitions. [2019-11-25 13:21:25,992 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 13:21:25,992 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2019-11-25 13:21:25,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:21:25,993 INFO L225 Difference]: With dead ends: 84 [2019-11-25 13:21:25,993 INFO L226 Difference]: Without dead ends: 84 [2019-11-25 13:21:25,994 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 13:21:25,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2019-11-25 13:21:26,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 82. [2019-11-25 13:21:26,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2019-11-25 13:21:26,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 90 transitions. [2019-11-25 13:21:26,010 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 90 transitions. Word has length 17 [2019-11-25 13:21:26,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:21:26,011 INFO L462 AbstractCegarLoop]: Abstraction has 82 states and 90 transitions. [2019-11-25 13:21:26,011 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 13:21:26,011 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 90 transitions. [2019-11-25 13:21:26,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-25 13:21:26,013 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:21:26,013 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 13:21:26,223 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-25 13:21:26,224 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 13:21:26,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:21:26,224 INFO L82 PathProgramCache]: Analyzing trace with hash -340605928, now seen corresponding path program 1 times [2019-11-25 13:21:26,225 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 13:21:26,225 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1412053879] [2019-11-25 13:21:26,226 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 13:21:26,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:21:26,366 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-25 13:21:26,370 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:21:26,382 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 13:21:26,386 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 13:21:26,447 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 13:21:26,447 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1412053879] [2019-11-25 13:21:26,448 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 13:21:26,448 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-25 13:21:26,448 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307647109] [2019-11-25 13:21:26,448 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 13:21:26,449 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 13:21:26,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 13:21:26,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 13:21:26,451 INFO L87 Difference]: Start difference. First operand 82 states and 90 transitions. Second operand 3 states. [2019-11-25 13:21:26,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:21:26,597 INFO L93 Difference]: Finished difference Result 120 states and 133 transitions. [2019-11-25 13:21:26,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 13:21:26,598 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-11-25 13:21:26,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:21:26,603 INFO L225 Difference]: With dead ends: 120 [2019-11-25 13:21:26,603 INFO L226 Difference]: Without dead ends: 115 [2019-11-25 13:21:26,603 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 13:21:26,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2019-11-25 13:21:26,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 80. [2019-11-25 13:21:26,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2019-11-25 13:21:26,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 87 transitions. [2019-11-25 13:21:26,626 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 87 transitions. Word has length 17 [2019-11-25 13:21:26,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:21:26,626 INFO L462 AbstractCegarLoop]: Abstraction has 80 states and 87 transitions. [2019-11-25 13:21:26,626 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 13:21:26,627 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 87 transitions. [2019-11-25 13:21:26,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-25 13:21:26,629 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:21:26,629 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 13:21:26,829 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-11-25 13:21:26,831 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 13:21:26,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:21:26,832 INFO L82 PathProgramCache]: Analyzing trace with hash -1976385840, now seen corresponding path program 1 times [2019-11-25 13:21:26,833 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 13:21:26,833 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1099949268] [2019-11-25 13:21:26,833 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 13:21:26,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:21:26,976 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-25 13:21:26,977 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:21:27,004 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 13:21:27,004 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 13:21:27,010 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:21:27,011 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-25 13:21:27,011 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-25 13:21:27,135 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 13:21:27,135 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 13:21:28,227 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 13:21:28,227 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1099949268] [2019-11-25 13:21:28,228 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-25 13:21:28,228 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2019-11-25 13:21:28,228 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982668693] [2019-11-25 13:21:28,228 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-11-25 13:21:28,229 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 13:21:28,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-11-25 13:21:28,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2019-11-25 13:21:28,230 INFO L87 Difference]: Start difference. First operand 80 states and 87 transitions. Second operand 18 states. [2019-11-25 13:21:29,239 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 24 [2019-11-25 13:21:30,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:21:30,320 INFO L93 Difference]: Finished difference Result 97 states and 110 transitions. [2019-11-25 13:21:30,321 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-25 13:21:30,321 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 22 [2019-11-25 13:21:30,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:21:30,322 INFO L225 Difference]: With dead ends: 97 [2019-11-25 13:21:30,322 INFO L226 Difference]: Without dead ends: 97 [2019-11-25 13:21:30,323 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 25 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=155, Invalid=657, Unknown=0, NotChecked=0, Total=812 [2019-11-25 13:21:30,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2019-11-25 13:21:30,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 92. [2019-11-25 13:21:30,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2019-11-25 13:21:30,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 101 transitions. [2019-11-25 13:21:30,331 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 101 transitions. Word has length 22 [2019-11-25 13:21:30,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:21:30,331 INFO L462 AbstractCegarLoop]: Abstraction has 92 states and 101 transitions. [2019-11-25 13:21:30,331 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-11-25 13:21:30,332 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 101 transitions. [2019-11-25 13:21:30,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-25 13:21:30,333 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:21:30,333 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 13:21:30,543 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-11-25 13:21:30,545 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 13:21:30,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:21:30,545 INFO L82 PathProgramCache]: Analyzing trace with hash -1887639459, now seen corresponding path program 1 times [2019-11-25 13:21:30,546 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 13:21:30,546 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1137428841] [2019-11-25 13:21:30,547 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 13:21:30,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:21:30,711 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-25 13:21:30,713 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:21:30,777 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 13:21:30,777 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 13:21:30,916 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 13:21:30,916 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1137428841] [2019-11-25 13:21:30,916 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-25 13:21:30,917 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2019-11-25 13:21:30,917 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165397733] [2019-11-25 13:21:30,917 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-25 13:21:30,917 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 13:21:30,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-25 13:21:30,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2019-11-25 13:21:30,918 INFO L87 Difference]: Start difference. First operand 92 states and 101 transitions. Second operand 12 states. [2019-11-25 13:21:31,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:21:31,352 INFO L93 Difference]: Finished difference Result 98 states and 104 transitions. [2019-11-25 13:21:31,352 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-25 13:21:31,353 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 35 [2019-11-25 13:21:31,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:21:31,354 INFO L225 Difference]: With dead ends: 98 [2019-11-25 13:21:31,354 INFO L226 Difference]: Without dead ends: 98 [2019-11-25 13:21:31,355 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 13:21:31,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2019-11-25 13:21:31,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 97. [2019-11-25 13:21:31,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2019-11-25 13:21:31,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 104 transitions. [2019-11-25 13:21:31,364 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 104 transitions. Word has length 35 [2019-11-25 13:21:31,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:21:31,365 INFO L462 AbstractCegarLoop]: Abstraction has 97 states and 104 transitions. [2019-11-25 13:21:31,365 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-25 13:21:31,365 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 104 transitions. [2019-11-25 13:21:31,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-25 13:21:31,367 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:21:31,367 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 13:21:31,568 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-11-25 13:21:31,569 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 13:21:31,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:21:31,570 INFO L82 PathProgramCache]: Analyzing trace with hash -1668351152, now seen corresponding path program 2 times [2019-11-25 13:21:31,571 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 13:21:31,572 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1407445394] [2019-11-25 13:21:31,572 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 13:21:31,720 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-25 13:21:31,720 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-25 13:21:31,726 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 20 conjunts are in the unsatisfiable core [2019-11-25 13:21:31,728 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:21:31,746 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 13:21:31,747 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 13:21:31,755 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:21:31,756 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-25 13:21:31,756 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-25 13:21:32,083 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 13:21:32,084 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 13:21:33,780 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 13:21:34,361 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 13:21:34,362 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1407445394] [2019-11-25 13:21:34,362 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-25 13:21:34,362 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 27 [2019-11-25 13:21:34,362 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174023443] [2019-11-25 13:21:34,363 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2019-11-25 13:21:34,363 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 13:21:34,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2019-11-25 13:21:34,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=602, Unknown=0, NotChecked=0, Total=756 [2019-11-25 13:21:34,364 INFO L87 Difference]: Start difference. First operand 97 states and 104 transitions. Second operand 28 states. [2019-11-25 13:21:35,782 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 28 [2019-11-25 13:21:36,332 WARN L192 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 48 [2019-11-25 13:21:36,908 WARN L192 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 48 [2019-11-25 13:21:37,260 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 28 [2019-11-25 13:21:37,902 WARN L192 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 48 [2019-11-25 13:21:38,304 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 28 [2019-11-25 13:21:39,344 WARN L192 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 48 [2019-11-25 13:21:39,862 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 28 [2019-11-25 13:21:40,258 WARN L192 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2019-11-25 13:21:40,619 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 28 [2019-11-25 13:21:41,084 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2019-11-25 13:21:42,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:21:42,709 INFO L93 Difference]: Finished difference Result 118 states and 131 transitions. [2019-11-25 13:21:42,712 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2019-11-25 13:21:42,713 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 34 [2019-11-25 13:21:42,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:21:42,715 INFO L225 Difference]: With dead ends: 118 [2019-11-25 13:21:42,715 INFO L226 Difference]: Without dead ends: 118 [2019-11-25 13:21:42,717 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 39 SyntacticMatches, 2 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 398 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=487, Invalid=1493, Unknown=0, NotChecked=0, Total=1980 [2019-11-25 13:21:42,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2019-11-25 13:21:42,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 116. [2019-11-25 13:21:42,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2019-11-25 13:21:42,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 128 transitions. [2019-11-25 13:21:42,731 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 128 transitions. Word has length 34 [2019-11-25 13:21:42,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:21:42,734 INFO L462 AbstractCegarLoop]: Abstraction has 116 states and 128 transitions. [2019-11-25 13:21:42,734 INFO L463 AbstractCegarLoop]: Interpolant automaton has 28 states. [2019-11-25 13:21:42,735 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 128 transitions. [2019-11-25 13:21:42,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-25 13:21:42,737 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:21:42,737 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 13:21:42,939 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-11-25 13:21:42,939 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 13:21:42,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:21:42,940 INFO L82 PathProgramCache]: Analyzing trace with hash 355937783, now seen corresponding path program 2 times [2019-11-25 13:21:42,940 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 13:21:42,940 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1498093801] [2019-11-25 13:21:42,940 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 13:21:43,068 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-11-25 13:21:43,069 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-25 13:21:43,071 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-25 13:21:43,074 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:21:43,110 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 13:21:43,110 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 13:21:43,182 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 13:21:43,182 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1498093801] [2019-11-25 13:21:43,182 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 13:21:43,182 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2019-11-25 13:21:43,182 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471081279] [2019-11-25 13:21:43,183 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-25 13:21:43,183 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 13:21:43,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-25 13:21:43,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-25 13:21:43,184 INFO L87 Difference]: Start difference. First operand 116 states and 128 transitions. Second operand 7 states. [2019-11-25 13:21:43,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:21:43,283 INFO L93 Difference]: Finished difference Result 147 states and 163 transitions. [2019-11-25 13:21:43,284 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-25 13:21:43,284 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 50 [2019-11-25 13:21:43,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:21:43,286 INFO L225 Difference]: With dead ends: 147 [2019-11-25 13:21:43,286 INFO L226 Difference]: Without dead ends: 144 [2019-11-25 13:21:43,286 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 13:21:43,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2019-11-25 13:21:43,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 117. [2019-11-25 13:21:43,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2019-11-25 13:21:43,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 129 transitions. [2019-11-25 13:21:43,292 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 129 transitions. Word has length 50 [2019-11-25 13:21:43,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:21:43,292 INFO L462 AbstractCegarLoop]: Abstraction has 117 states and 129 transitions. [2019-11-25 13:21:43,293 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-25 13:21:43,293 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 129 transitions. [2019-11-25 13:21:43,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-25 13:21:43,294 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:21:43,294 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 13:21:43,498 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2019-11-25 13:21:43,499 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 13:21:43,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:21:43,500 INFO L82 PathProgramCache]: Analyzing trace with hash 1622715602, now seen corresponding path program 1 times [2019-11-25 13:21:43,500 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 13:21:43,501 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2040782165] [2019-11-25 13:21:43,501 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 13:21:43,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:21:43,690 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-25 13:21:43,693 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:21:43,879 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 13:21:43,880 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 13:21:44,298 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 13:21:44,299 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2040782165] [2019-11-25 13:21:44,299 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-25 13:21:44,300 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2019-11-25 13:21:44,300 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527198621] [2019-11-25 13:21:44,301 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-11-25 13:21:44,301 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 13:21:44,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-11-25 13:21:44,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=349, Unknown=0, NotChecked=0, Total=462 [2019-11-25 13:21:44,302 INFO L87 Difference]: Start difference. First operand 117 states and 129 transitions. Second operand 22 states. [2019-11-25 13:21:44,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:21:44,844 INFO L93 Difference]: Finished difference Result 117 states and 127 transitions. [2019-11-25 13:21:44,846 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-25 13:21:44,846 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 50 [2019-11-25 13:21:44,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:21:44,847 INFO L225 Difference]: With dead ends: 117 [2019-11-25 13:21:44,847 INFO L226 Difference]: Without dead ends: 117 [2019-11-25 13:21:44,848 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=127, Invalid=379, Unknown=0, NotChecked=0, Total=506 [2019-11-25 13:21:44,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2019-11-25 13:21:44,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2019-11-25 13:21:44,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2019-11-25 13:21:44,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 127 transitions. [2019-11-25 13:21:44,852 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 127 transitions. Word has length 50 [2019-11-25 13:21:44,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:21:44,853 INFO L462 AbstractCegarLoop]: Abstraction has 117 states and 127 transitions. [2019-11-25 13:21:44,853 INFO L463 AbstractCegarLoop]: Interpolant automaton has 22 states. [2019-11-25 13:21:44,853 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 127 transitions. [2019-11-25 13:21:44,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-25 13:21:44,854 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:21:44,854 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 13:21:45,057 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2019-11-25 13:21:45,058 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 13:21:45,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:21:45,059 INFO L82 PathProgramCache]: Analyzing trace with hash -1535917294, now seen corresponding path program 2 times [2019-11-25 13:21:45,059 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 13:21:45,062 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1877372804] [2019-11-25 13:21:45,063 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 13:21:45,250 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-25 13:21:45,250 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-25 13:21:45,261 INFO L255 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-25 13:21:45,263 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:21:45,267 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 13:21:45,267 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 13:21:45,269 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:21:45,269 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-25 13:21:45,270 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-25 13:21:45,385 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:21:45,386 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 13:21:45,387 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 13:21:45,407 INFO L588 ElimStorePlain]: treesize reduction 14, result has 51.7 percent of original size [2019-11-25 13:21:45,408 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 13:21:45,409 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:15 [2019-11-25 13:21:45,440 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 13:21:45,440 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 13:21:47,974 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 13:21:47,975 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1877372804] [2019-11-25 13:21:47,975 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-25 13:21:47,975 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2019-11-25 13:21:47,975 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021196982] [2019-11-25 13:21:47,976 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-11-25 13:21:47,976 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 13:21:47,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-11-25 13:21:47,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=229, Unknown=1, NotChecked=0, Total=272 [2019-11-25 13:21:47,977 INFO L87 Difference]: Start difference. First operand 117 states and 127 transitions. Second operand 17 states. [2019-11-25 13:22:08,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:22:08,712 INFO L93 Difference]: Finished difference Result 216 states and 247 transitions. [2019-11-25 13:22:08,713 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-25 13:22:08,713 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 56 [2019-11-25 13:22:08,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:22:08,715 INFO L225 Difference]: With dead ends: 216 [2019-11-25 13:22:08,715 INFO L226 Difference]: Without dead ends: 216 [2019-11-25 13:22:08,716 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=105, Invalid=494, Unknown=1, NotChecked=0, Total=600 [2019-11-25 13:22:08,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2019-11-25 13:22:08,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 147. [2019-11-25 13:22:08,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2019-11-25 13:22:08,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 178 transitions. [2019-11-25 13:22:08,724 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 178 transitions. Word has length 56 [2019-11-25 13:22:08,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:22:08,724 INFO L462 AbstractCegarLoop]: Abstraction has 147 states and 178 transitions. [2019-11-25 13:22:08,724 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-11-25 13:22:08,725 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 178 transitions. [2019-11-25 13:22:08,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-25 13:22:08,726 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:22:08,726 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 13:22:08,937 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2019-11-25 13:22:08,938 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 13:22:08,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:22:08,939 INFO L82 PathProgramCache]: Analyzing trace with hash -1535917293, now seen corresponding path program 1 times [2019-11-25 13:22:08,940 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 13:22:08,941 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1528075770] [2019-11-25 13:22:08,941 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 13:22:09,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:22:09,147 INFO L255 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 28 conjunts are in the unsatisfiable core [2019-11-25 13:22:09,149 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:22:09,169 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 13:22:09,170 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 13:22:09,178 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:22:09,182 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 13:22:09,183 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-25 13:22:09,193 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:22:09,193 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-25 13:22:09,193 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-11-25 13:22:11,449 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-25 13:22:11,451 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 13:22:11,452 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 13:22:11,474 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:22:11,485 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:22:11,486 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 13:22:11,486 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-25 13:22:11,505 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:22:11,506 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 13:22:11,506 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:28, output treesize:12 [2019-11-25 13:22:11,545 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 13:22:11,545 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 13:22:11,745 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 13:22:11,991 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 13:22:11,991 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 13:22:11,992 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 13:22:13,783 WARN L192 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 38 DAG size of output: 32 [2019-11-25 13:22:13,787 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 13:22:17,096 INFO L404 ElimStorePlain]: Different costs {1=[|v_#valid_262|], 2=[|v_#length_220|]} [2019-11-25 13:22:17,104 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 13:22:17,104 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 13:22:17,113 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:22:17,115 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-25 13:22:17,115 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-25 13:22:17,125 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:22:17,126 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 13:22:17,126 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:23, output treesize:5 [2019-11-25 13:22:17,703 INFO L404 ElimStorePlain]: Different costs {1=[|#valid|], 2=[|#length|]} [2019-11-25 13:22:17,715 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 13:22:17,716 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 13:22:17,741 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:22:17,743 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-25 13:22:17,744 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-25 13:22:17,761 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:22:17,762 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 13:22:17,762 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:33, output treesize:16 [2019-11-25 13:22:17,898 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 13:22:17,899 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1528075770] [2019-11-25 13:22:17,899 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-25 13:22:17,899 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2019-11-25 13:22:17,899 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428454560] [2019-11-25 13:22:17,900 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-11-25 13:22:17,900 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 13:22:17,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-11-25 13:22:17,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=407, Unknown=2, NotChecked=0, Total=462 [2019-11-25 13:22:17,901 INFO L87 Difference]: Start difference. First operand 147 states and 178 transitions. Second operand 22 states. [2019-11-25 13:22:24,854 WARN L192 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2019-11-25 13:22:39,727 WARN L192 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2019-11-25 13:22:45,095 WARN L192 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 16 [2019-11-25 13:22:48,876 WARN L192 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-11-25 13:23:03,408 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 24 [2019-11-25 13:23:06,226 WARN L192 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2019-11-25 13:23:21,621 WARN L192 SmtUtils]: Spent 6.27 s on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2019-11-25 13:23:43,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:23:43,721 INFO L93 Difference]: Finished difference Result 320 states and 378 transitions. [2019-11-25 13:23:43,721 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2019-11-25 13:23:43,721 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 56 [2019-11-25 13:23:43,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:23:43,725 INFO L225 Difference]: With dead ends: 320 [2019-11-25 13:23:43,725 INFO L226 Difference]: Without dead ends: 320 [2019-11-25 13:23:43,726 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 88 SyntacticMatches, 3 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 32.1s TimeCoverageRelationStatistics Valid=230, Invalid=1408, Unknown=2, NotChecked=0, Total=1640 [2019-11-25 13:23:43,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2019-11-25 13:23:43,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 137. [2019-11-25 13:23:43,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2019-11-25 13:23:43,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 159 transitions. [2019-11-25 13:23:43,735 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 159 transitions. Word has length 56 [2019-11-25 13:23:43,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:23:43,735 INFO L462 AbstractCegarLoop]: Abstraction has 137 states and 159 transitions. [2019-11-25 13:23:43,735 INFO L463 AbstractCegarLoop]: Interpolant automaton has 22 states. [2019-11-25 13:23:43,735 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 159 transitions. [2019-11-25 13:23:43,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-25 13:23:43,736 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:23:43,736 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 13:23:43,942 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 mathsat -unsat_core_generation=3 [2019-11-25 13:23:43,943 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 13:23:43,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:23:43,943 INFO L82 PathProgramCache]: Analyzing trace with hash 1452186463, now seen corresponding path program 1 times [2019-11-25 13:23:43,944 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 13:23:43,944 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1091668302] [2019-11-25 13:23:43,945 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 13:23:44,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:23:44,124 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-25 13:23:44,126 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:23:44,140 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 13:23:44,140 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 13:23:44,176 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 13:23:44,176 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1091668302] [2019-11-25 13:23:44,177 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 13:23:44,177 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-25 13:23:44,177 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975318780] [2019-11-25 13:23:44,178 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 13:23:44,178 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 13:23:44,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 13:23:44,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 13:23:44,178 INFO L87 Difference]: Start difference. First operand 137 states and 159 transitions. Second operand 5 states. [2019-11-25 13:23:44,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:23:44,224 INFO L93 Difference]: Finished difference Result 160 states and 188 transitions. [2019-11-25 13:23:44,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-25 13:23:44,224 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2019-11-25 13:23:44,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:23:44,227 INFO L225 Difference]: With dead ends: 160 [2019-11-25 13:23:44,227 INFO L226 Difference]: Without dead ends: 160 [2019-11-25 13:23:44,227 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 13:23:44,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2019-11-25 13:23:44,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 143. [2019-11-25 13:23:44,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2019-11-25 13:23:44,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 165 transitions. [2019-11-25 13:23:44,234 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 165 transitions. Word has length 58 [2019-11-25 13:23:44,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:23:44,234 INFO L462 AbstractCegarLoop]: Abstraction has 143 states and 165 transitions. [2019-11-25 13:23:44,234 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 13:23:44,234 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 165 transitions. [2019-11-25 13:23:44,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-25 13:23:44,235 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:23:44,236 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 13:23:44,444 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 mathsat -unsat_core_generation=3 [2019-11-25 13:23:44,445 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 13:23:44,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:23:44,445 INFO L82 PathProgramCache]: Analyzing trace with hash -1099970498, now seen corresponding path program 1 times [2019-11-25 13:23:44,446 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 13:23:44,446 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1053734407] [2019-11-25 13:23:44,446 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 13:23:44,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:23:44,628 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-25 13:23:44,629 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:23:44,646 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 13:23:44,646 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 13:23:44,674 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 13:23:44,675 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1053734407] [2019-11-25 13:23:44,675 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 13:23:44,675 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-11-25 13:23:44,675 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168756707] [2019-11-25 13:23:44,676 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-25 13:23:44,676 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 13:23:44,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-25 13:23:44,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-25 13:23:44,676 INFO L87 Difference]: Start difference. First operand 143 states and 165 transitions. Second operand 6 states. [2019-11-25 13:23:44,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:23:44,769 INFO L93 Difference]: Finished difference Result 150 states and 172 transitions. [2019-11-25 13:23:44,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 13:23:44,771 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2019-11-25 13:23:44,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:23:44,772 INFO L225 Difference]: With dead ends: 150 [2019-11-25 13:23:44,772 INFO L226 Difference]: Without dead ends: 150 [2019-11-25 13:23:44,773 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 13:23:44,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2019-11-25 13:23:44,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 145. [2019-11-25 13:23:44,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2019-11-25 13:23:44,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 167 transitions. [2019-11-25 13:23:44,779 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 167 transitions. Word has length 58 [2019-11-25 13:23:44,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:23:44,779 INFO L462 AbstractCegarLoop]: Abstraction has 145 states and 167 transitions. [2019-11-25 13:23:44,779 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-25 13:23:44,779 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 167 transitions. [2019-11-25 13:23:44,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-25 13:23:44,780 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:23:44,781 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 13:23:44,988 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 mathsat -unsat_core_generation=3 [2019-11-25 13:23:44,989 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 13:23:44,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:23:44,989 INFO L82 PathProgramCache]: Analyzing trace with hash 612578384, now seen corresponding path program 3 times [2019-11-25 13:23:44,990 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 13:23:44,991 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2041083155] [2019-11-25 13:23:44,991 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 13:23:45,423 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2019-11-25 13:23:45,423 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-25 13:23:45,435 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 27 conjunts are in the unsatisfiable core [2019-11-25 13:23:45,437 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:23:45,453 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 13:23:45,453 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 13:23:45,458 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:23:45,459 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-25 13:23:45,459 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-25 13:23:45,931 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 13:23:45,932 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 13:23:52,157 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 13:23:52,158 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2041083155] [2019-11-25 13:23:52,158 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-25 13:23:52,158 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 40 [2019-11-25 13:23:52,158 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124854752] [2019-11-25 13:23:52,159 INFO L442 AbstractCegarLoop]: Interpolant automaton has 40 states [2019-11-25 13:23:52,159 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 13:23:52,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2019-11-25 13:23:52,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=251, Invalid=1309, Unknown=0, NotChecked=0, Total=1560 [2019-11-25 13:23:52,161 INFO L87 Difference]: Start difference. First operand 145 states and 167 transitions. Second operand 40 states. [2019-11-25 13:23:56,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:23:56,709 INFO L93 Difference]: Finished difference Result 133 states and 151 transitions. [2019-11-25 13:23:56,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-11-25 13:23:56,712 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 58 [2019-11-25 13:23:56,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:23:56,713 INFO L225 Difference]: With dead ends: 133 [2019-11-25 13:23:56,713 INFO L226 Difference]: Without dead ends: 133 [2019-11-25 13:23:56,715 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 76 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 510 ImplicationChecksByTransitivity, 7.7s TimeCoverageRelationStatistics Valid=468, Invalid=2612, Unknown=0, NotChecked=0, Total=3080 [2019-11-25 13:23:56,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2019-11-25 13:23:56,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 131. [2019-11-25 13:23:56,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2019-11-25 13:23:56,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 148 transitions. [2019-11-25 13:23:56,725 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 148 transitions. Word has length 58 [2019-11-25 13:23:56,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:23:56,726 INFO L462 AbstractCegarLoop]: Abstraction has 131 states and 148 transitions. [2019-11-25 13:23:56,727 INFO L463 AbstractCegarLoop]: Interpolant automaton has 40 states. [2019-11-25 13:23:56,727 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 148 transitions. [2019-11-25 13:23:56,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-25 13:23:56,728 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:23:56,728 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 13:23:56,928 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 mathsat -unsat_core_generation=3 [2019-11-25 13:23:56,929 INFO L410 AbstractCegarLoop]: === Iteration 16 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 13:23:56,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:23:56,929 INFO L82 PathProgramCache]: Analyzing trace with hash -1452868472, now seen corresponding path program 1 times [2019-11-25 13:23:56,930 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 13:23:56,930 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [133004769] [2019-11-25 13:23:56,930 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 13:23:57,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:23:57,110 INFO L255 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-25 13:23:57,112 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:23:57,116 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 13:23:57,116 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 13:23:57,118 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:23:57,118 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-25 13:23:57,119 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-25 13:23:57,190 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 13:23:57,191 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 13:23:57,487 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 mathsat -unsat_core_generation=3 [2019-11-25 13:23:57,488 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-25 13:23:57,495 INFO L168 Benchmark]: Toolchain (without parser) took 159448.98 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 339.2 MB). Free memory was 955.0 MB in the beginning and 1.2 GB in the end (delta: -254.6 MB). Peak memory consumption was 84.6 MB. Max. memory is 11.5 GB. [2019-11-25 13:23:57,496 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 13:23:57,496 INFO L168 Benchmark]: CACSL2BoogieTranslator took 955.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -153.6 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2019-11-25 13:23:57,497 INFO L168 Benchmark]: Boogie Preprocessor took 136.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-25 13:23:57,498 INFO L168 Benchmark]: RCFGBuilder took 1905.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 979.7 MB in the end (delta: 117.0 MB). Peak memory consumption was 117.0 MB. Max. memory is 11.5 GB. [2019-11-25 13:23:57,498 INFO L168 Benchmark]: TraceAbstraction took 156446.16 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 191.4 MB). Free memory was 979.7 MB in the beginning and 1.2 GB in the end (delta: -229.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 13:23:57,504 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 955.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -153.6 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 136.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1905.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 979.7 MB in the end (delta: 117.0 MB). Peak memory consumption was 117.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 156446.16 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 191.4 MB). Free memory was 979.7 MB in the beginning and 1.2 GB in the end (delta: -229.9 MB). There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Alternating quantifiers not yet supported: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:283) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...