./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test17_2-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 3c39aff9 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test17_2-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 771ea31dfbd697ea24d6820053320d940f30ec07 ............................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test17_2-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 771ea31dfbd697ea24d6820053320d940f30ec07 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported --- Real Ultimate output --- This is Ultimate 0.1.24-3c39aff [2019-11-27 18:56:37,789 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 18:56:37,791 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 18:56:37,803 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 18:56:37,804 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 18:56:37,805 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 18:56:37,806 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 18:56:37,808 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 18:56:37,810 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 18:56:37,811 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 18:56:37,812 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 18:56:37,813 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 18:56:37,814 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 18:56:37,815 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 18:56:37,816 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 18:56:37,817 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 18:56:37,818 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 18:56:37,819 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 18:56:37,821 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 18:56:37,824 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 18:56:37,826 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 18:56:37,827 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 18:56:37,829 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 18:56:37,831 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 18:56:37,834 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 18:56:37,834 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 18:56:37,834 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 18:56:37,835 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 18:56:37,836 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 18:56:37,837 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 18:56:37,837 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 18:56:37,838 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 18:56:37,839 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 18:56:37,840 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 18:56:37,841 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 18:56:37,842 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 18:56:37,843 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 18:56:37,843 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 18:56:37,843 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 18:56:37,844 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 18:56:37,845 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 18:56:37,846 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 18:56:37,868 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 18:56:37,868 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 18:56:37,870 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 18:56:37,870 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 18:56:37,870 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 18:56:37,871 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 18:56:37,871 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 18:56:37,871 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 18:56:37,872 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 18:56:37,872 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 18:56:37,872 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 18:56:37,872 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 18:56:37,873 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 18:56:37,873 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 18:56:37,873 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 18:56:37,874 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 18:56:37,874 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 18:56:37,874 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 18:56:37,874 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 18:56:37,875 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 18:56:37,875 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 18:56:37,875 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 18:56:37,876 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 18:56:37,876 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 18:56:37,876 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 18:56:37,877 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 18:56:37,877 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 18:56:37,877 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 771ea31dfbd697ea24d6820053320d940f30ec07 [2019-11-27 18:56:38,191 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 18:56:38,204 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 18:56:38,207 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 18:56:38,209 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 18:56:38,209 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 18:56:38,210 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test17_2-2.i [2019-11-27 18:56:38,287 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6593a880/51b31c624b8346b28e2c0c01a8d66bbb/FLAG560a8d407 [2019-11-27 18:56:38,903 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 18:56:38,903 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test17_2-2.i [2019-11-27 18:56:38,930 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6593a880/51b31c624b8346b28e2c0c01a8d66bbb/FLAG560a8d407 [2019-11-27 18:56:39,171 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6593a880/51b31c624b8346b28e2c0c01a8d66bbb [2019-11-27 18:56:39,175 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 18:56:39,177 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-27 18:56:39,178 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 18:56:39,179 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 18:56:39,182 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 18:56:39,184 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 06:56:39" (1/1) ... [2019-11-27 18:56:39,187 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@353a026b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:56:39, skipping insertion in model container [2019-11-27 18:56:39,187 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 06:56:39" (1/1) ... [2019-11-27 18:56:39,195 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 18:56:39,251 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 18:56:39,837 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 18:56:39,859 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) [2019-11-27 18:56:39,860 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@62ceb212 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:56:39, skipping insertion in model container [2019-11-27 18:56:39,860 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 18:56:39,860 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-27 18:56:39,864 INFO L168 Benchmark]: Toolchain (without parser) took 685.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -163.8 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. [2019-11-27 18:56:39,864 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 18:56:39,866 INFO L168 Benchmark]: CACSL2BoogieTranslator took 681.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -163.8 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. [2019-11-27 18:56:39,868 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 681.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -163.8 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-3c39aff [2019-11-27 18:56:41,550 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 18:56:41,553 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 18:56:41,566 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 18:56:41,567 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 18:56:41,569 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 18:56:41,571 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 18:56:41,580 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 18:56:41,583 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 18:56:41,585 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 18:56:41,587 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 18:56:41,589 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 18:56:41,590 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 18:56:41,594 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 18:56:41,596 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 18:56:41,598 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 18:56:41,600 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 18:56:41,603 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 18:56:41,606 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 18:56:41,608 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 18:56:41,610 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 18:56:41,611 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 18:56:41,612 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 18:56:41,613 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 18:56:41,616 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 18:56:41,616 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 18:56:41,616 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 18:56:41,617 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 18:56:41,618 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 18:56:41,620 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 18:56:41,620 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 18:56:41,621 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 18:56:41,621 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 18:56:41,622 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 18:56:41,623 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 18:56:41,623 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 18:56:41,624 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 18:56:41,624 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 18:56:41,625 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 18:56:41,626 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 18:56:41,626 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 18:56:41,627 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 18:56:41,645 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 18:56:41,645 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 18:56:41,647 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 18:56:41,647 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 18:56:41,647 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 18:56:41,647 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 18:56:41,648 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 18:56:41,648 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 18:56:41,648 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 18:56:41,648 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 18:56:41,649 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 18:56:41,649 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 18:56:41,649 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 18:56:41,649 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 18:56:41,649 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 18:56:41,650 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 18:56:41,650 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 18:56:41,650 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 18:56:41,650 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 18:56:41,650 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 18:56:41,651 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 18:56:41,651 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 18:56:41,651 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 18:56:41,651 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 18:56:41,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 18:56:41,652 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 18:56:41,652 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 18:56:41,652 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 18:56:41,652 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 18:56:41,653 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 18:56:41,653 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 771ea31dfbd697ea24d6820053320d940f30ec07 [2019-11-27 18:56:41,977 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 18:56:41,992 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 18:56:41,997 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 18:56:41,998 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 18:56:41,998 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 18:56:41,999 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test17_2-2.i [2019-11-27 18:56:42,056 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d97654fe/ca1778fd9f6241a99c19744c25053e99/FLAGadbc106be [2019-11-27 18:56:42,609 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 18:56:42,610 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test17_2-2.i [2019-11-27 18:56:42,636 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d97654fe/ca1778fd9f6241a99c19744c25053e99/FLAGadbc106be [2019-11-27 18:56:42,865 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d97654fe/ca1778fd9f6241a99c19744c25053e99 [2019-11-27 18:56:42,868 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 18:56:42,870 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-27 18:56:42,871 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 18:56:42,871 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 18:56:42,874 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 18:56:42,875 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 06:56:42" (1/1) ... [2019-11-27 18:56:42,878 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ae09888 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:56:42, skipping insertion in model container [2019-11-27 18:56:42,878 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 06:56:42" (1/1) ... [2019-11-27 18:56:42,885 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 18:56:42,946 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 18:56:43,449 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 18:56:43,488 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-27 18:56:43,507 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 18:56:43,612 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 18:56:43,631 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 18:56:43,703 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 18:56:43,794 INFO L208 MainTranslator]: Completed translation [2019-11-27 18:56:43,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:56:43 WrapperNode [2019-11-27 18:56:43,795 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 18:56:43,795 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 18:56:43,795 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 18:56:43,796 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 18:56:43,808 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:56:43" (1/1) ... [2019-11-27 18:56:43,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:56:43" (1/1) ... [2019-11-27 18:56:43,836 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:56:43" (1/1) ... [2019-11-27 18:56:43,836 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:56:43" (1/1) ... [2019-11-27 18:56:43,884 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:56:43" (1/1) ... [2019-11-27 18:56:43,893 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:56:43" (1/1) ... [2019-11-27 18:56:43,900 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:56:43" (1/1) ... [2019-11-27 18:56:43,912 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 18:56:43,913 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-27 18:56:43,913 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-27 18:56:43,913 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-27 18:56:43,914 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:56:43" (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 [2019-11-27 18:56:43,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-27 18:56:43,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-27 18:56:43,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-27 18:56:43,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-11-27 18:56:43,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-27 18:56:43,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-27 18:56:43,996 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-27 18:56:43,996 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-27 18:56:43,996 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-27 18:56:43,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-27 18:56:43,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-27 18:56:43,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-27 18:56:43,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-27 18:56:43,998 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-27 18:56:43,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-27 18:56:43,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-27 18:56:43,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-27 18:56:43,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-27 18:56:43,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-27 18:56:43,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-27 18:56:43,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-27 18:56:44,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-27 18:56:44,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-27 18:56:44,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-27 18:56:44,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-27 18:56:44,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-27 18:56:44,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-27 18:56:44,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-27 18:56:44,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-27 18:56:44,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-27 18:56:44,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-27 18:56:44,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-27 18:56:44,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-27 18:56:44,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-27 18:56:44,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-27 18:56:44,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-27 18:56:44,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-27 18:56:44,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-27 18:56:44,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-27 18:56:44,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-27 18:56:44,007 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-27 18:56:44,007 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-27 18:56:44,008 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_17 [2019-11-27 18:56:44,009 INFO L138 BoogieDeclarations]: Found implementation of procedure free_17 [2019-11-27 18:56:44,009 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-27 18:56:44,009 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-27 18:56:44,009 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-27 18:56:44,010 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-27 18:56:44,010 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-27 18:56:44,010 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-27 18:56:44,011 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-27 18:56:44,011 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-27 18:56:44,011 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-27 18:56:44,012 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-27 18:56:44,012 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-27 18:56:44,012 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-27 18:56:44,012 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-27 18:56:44,012 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-27 18:56:44,013 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-27 18:56:44,013 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-27 18:56:44,014 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-27 18:56:44,014 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-27 18:56:44,015 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-27 18:56:44,016 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-27 18:56:44,016 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-27 18:56:44,017 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-27 18:56:44,017 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-27 18:56:44,018 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-27 18:56:44,018 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-27 18:56:44,019 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-27 18:56:44,019 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-27 18:56:44,020 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-27 18:56:44,020 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-27 18:56:44,021 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-27 18:56:44,021 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-27 18:56:44,021 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-27 18:56:44,021 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-27 18:56:44,022 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-27 18:56:44,022 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-27 18:56:44,022 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-27 18:56:44,022 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-27 18:56:44,023 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-27 18:56:44,023 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-27 18:56:44,023 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-27 18:56:44,023 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-27 18:56:44,024 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-27 18:56:44,024 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-27 18:56:44,024 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-27 18:56:44,024 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-27 18:56:44,025 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-27 18:56:44,025 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-27 18:56:44,025 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-27 18:56:44,025 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-27 18:56:44,025 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-27 18:56:44,026 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-27 18:56:44,026 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-27 18:56:44,026 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-27 18:56:44,026 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-27 18:56:44,027 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-27 18:56:44,027 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-27 18:56:44,027 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-27 18:56:44,027 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-27 18:56:44,028 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-27 18:56:44,028 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-27 18:56:44,028 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-27 18:56:44,028 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-27 18:56:44,029 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-27 18:56:44,029 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-27 18:56:44,029 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-27 18:56:44,029 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-27 18:56:44,030 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-27 18:56:44,030 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-27 18:56:44,030 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-27 18:56:44,031 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-27 18:56:44,031 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-27 18:56:44,032 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-27 18:56:44,032 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-27 18:56:44,033 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-27 18:56:44,033 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-27 18:56:44,033 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-27 18:56:44,033 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-27 18:56:44,033 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-27 18:56:44,034 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-27 18:56:44,034 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-27 18:56:44,034 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-27 18:56:44,035 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-27 18:56:44,036 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-27 18:56:44,039 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-27 18:56:44,040 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-27 18:56:44,040 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-27 18:56:44,040 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-27 18:56:44,040 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-27 18:56:44,041 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-27 18:56:44,042 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-27 18:56:44,042 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-27 18:56:44,042 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-27 18:56:44,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-27 18:56:44,043 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-27 18:56:44,043 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-27 18:56:44,048 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-27 18:56:44,048 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-27 18:56:44,048 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-27 18:56:44,048 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-27 18:56:44,049 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-27 18:56:44,049 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-27 18:56:44,049 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-27 18:56:44,049 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-27 18:56:44,049 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-27 18:56:44,049 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-27 18:56:44,050 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-27 18:56:44,050 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-27 18:56:44,050 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-27 18:56:44,050 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-27 18:56:44,050 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-27 18:56:44,050 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-27 18:56:44,051 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-27 18:56:44,054 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-27 18:56:44,054 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-27 18:56:44,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-27 18:56:44,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-27 18:56:44,055 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-27 18:56:44,055 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-27 18:56:44,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-27 18:56:44,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-27 18:56:44,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-27 18:56:44,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-27 18:56:44,056 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-27 18:56:44,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-27 18:56:44,057 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-27 18:56:44,058 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-27 18:56:44,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-27 18:56:44,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-27 18:56:44,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-27 18:56:44,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-27 18:56:44,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-27 18:56:44,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-27 18:56:44,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-27 18:56:44,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-27 18:56:44,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-27 18:56:44,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-27 18:56:44,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-27 18:56:44,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-27 18:56:44,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-27 18:56:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-27 18:56:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-27 18:56:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-27 18:56:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-27 18:56:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-27 18:56:44,063 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-27 18:56:44,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-27 18:56:44,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-27 18:56:44,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-27 18:56:44,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-27 18:56:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-27 18:56:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-27 18:56:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-27 18:56:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-27 18:56:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-27 18:56:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-27 18:56:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-27 18:56:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-27 18:56:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-27 18:56:44,066 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-27 18:56:44,066 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-27 18:56:44,066 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_17 [2019-11-27 18:56:44,066 INFO L130 BoogieDeclarations]: Found specification of procedure free_17 [2019-11-27 18:56:44,066 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-27 18:56:44,067 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-27 18:56:44,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-27 18:56:44,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-27 18:56:44,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-27 18:56:44,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-27 18:56:44,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-11-27 18:56:44,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-27 18:56:44,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-27 18:56:44,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-27 18:56:44,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-27 18:56:44,755 WARN L749 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-27 18:56:45,159 WARN L749 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-27 18:56:45,734 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-27 18:56:45,734 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-27 18:56:45,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 06:56:45 BoogieIcfgContainer [2019-11-27 18:56:45,736 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-27 18:56:45,737 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-27 18:56:45,737 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-27 18:56:45,740 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-27 18:56:45,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 06:56:42" (1/3) ... [2019-11-27 18:56:45,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2477ac40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 06:56:45, skipping insertion in model container [2019-11-27 18:56:45,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:56:43" (2/3) ... [2019-11-27 18:56:45,743 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2477ac40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 06:56:45, skipping insertion in model container [2019-11-27 18:56:45,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 06:56:45" (3/3) ... [2019-11-27 18:56:45,745 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test17_2-2.i [2019-11-27 18:56:45,755 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-27 18:56:45,763 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 90 error locations. [2019-11-27 18:56:45,775 INFO L249 AbstractCegarLoop]: Starting to check reachability of 90 error locations. [2019-11-27 18:56:45,792 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-27 18:56:45,792 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-27 18:56:45,792 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-27 18:56:45,792 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-27 18:56:45,792 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-27 18:56:45,792 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-27 18:56:45,793 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-27 18:56:45,793 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-27 18:56:45,812 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states. [2019-11-27 18:56:45,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-27 18:56:45,822 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 18:56:45,823 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 18:56:45,824 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]=== [2019-11-27 18:56:45,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 18:56:45,830 INFO L82 PathProgramCache]: Analyzing trace with hash 78607545, now seen corresponding path program 1 times [2019-11-27 18:56:45,843 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 18:56:45,843 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1554001594] [2019-11-27 18:56:45,843 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 [2019-11-27 18:56:46,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 18:56:46,039 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-27 18:56:46,046 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 18:56:46,120 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 [2019-11-27 18:56:46,120 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-27 18:56:46,130 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-27 18:56:46,131 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-27 18:56:46,131 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-27 18:56:46,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 18:56:46,170 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 18:56:46,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 18:56:46,233 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1554001594] [2019-11-27 18:56:46,234 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 18:56:46,234 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-27 18:56:46,235 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587560073] [2019-11-27 18:56:46,242 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-27 18:56:46,243 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 18:56:46,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-27 18:56:46,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-27 18:56:46,261 INFO L87 Difference]: Start difference. First operand 153 states. Second operand 5 states. [2019-11-27 18:56:46,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 18:56:46,542 INFO L93 Difference]: Finished difference Result 93 states and 105 transitions. [2019-11-27 18:56:46,543 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-27 18:56:46,545 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-11-27 18:56:46,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 18:56:46,558 INFO L225 Difference]: With dead ends: 93 [2019-11-27 18:56:46,558 INFO L226 Difference]: Without dead ends: 90 [2019-11-27 18:56:46,560 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-27 18:56:46,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2019-11-27 18:56:46,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 86. [2019-11-27 18:56:46,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2019-11-27 18:56:46,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 98 transitions. [2019-11-27 18:56:46,618 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 98 transitions. Word has length 22 [2019-11-27 18:56:46,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 18:56:46,619 INFO L462 AbstractCegarLoop]: Abstraction has 86 states and 98 transitions. [2019-11-27 18:56:46,619 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-27 18:56:46,619 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 98 transitions. [2019-11-27 18:56:46,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-27 18:56:46,621 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 18:56:46,621 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 18:56:46,841 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-27 18:56:46,843 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]=== [2019-11-27 18:56:46,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 18:56:46,844 INFO L82 PathProgramCache]: Analyzing trace with hash 78607546, now seen corresponding path program 1 times [2019-11-27 18:56:46,845 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 18:56:46,846 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [719203398] [2019-11-27 18:56:46,846 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 [2019-11-27 18:56:46,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 18:56:46,994 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 18 conjunts are in the unsatisfiable core [2019-11-27 18:56:46,996 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 18:56:47,062 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 [2019-11-27 18:56:47,062 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-27 18:56:47,071 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-27 18:56:47,071 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-27 18:56:47,073 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-27 18:56:47,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 18:56:47,274 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 18:56:47,481 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 12 [2019-11-27 18:56:48,055 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 18:56:48,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 18:56:48,637 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [719203398] [2019-11-27 18:56:48,637 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 18:56:48,637 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 8] imperfect sequences [] total 17 [2019-11-27 18:56:48,638 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164050623] [2019-11-27 18:56:48,639 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-11-27 18:56:48,639 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 18:56:48,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-11-27 18:56:48,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2019-11-27 18:56:48,641 INFO L87 Difference]: Start difference. First operand 86 states and 98 transitions. Second operand 18 states. [2019-11-27 18:56:50,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 18:56:50,303 INFO L93 Difference]: Finished difference Result 98 states and 113 transitions. [2019-11-27 18:56:50,304 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-11-27 18:56:50,304 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 22 [2019-11-27 18:56:50,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 18:56:50,307 INFO L225 Difference]: With dead ends: 98 [2019-11-27 18:56:50,307 INFO L226 Difference]: Without dead ends: 98 [2019-11-27 18:56:50,308 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 24 SyntacticMatches, 3 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=94, Invalid=412, Unknown=0, NotChecked=0, Total=506 [2019-11-27 18:56:50,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2019-11-27 18:56:50,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 91. [2019-11-27 18:56:50,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2019-11-27 18:56:50,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 104 transitions. [2019-11-27 18:56:50,320 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 104 transitions. Word has length 22 [2019-11-27 18:56:50,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 18:56:50,321 INFO L462 AbstractCegarLoop]: Abstraction has 91 states and 104 transitions. [2019-11-27 18:56:50,321 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-11-27 18:56:50,321 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 104 transitions. [2019-11-27 18:56:50,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-27 18:56:50,322 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 18:56:50,322 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 18:56:50,524 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-27 18:56:50,526 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]=== [2019-11-27 18:56:50,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 18:56:50,526 INFO L82 PathProgramCache]: Analyzing trace with hash 966111226, now seen corresponding path program 1 times [2019-11-27 18:56:50,527 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 18:56:50,528 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1019512668] [2019-11-27 18:56:50,528 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 [2019-11-27 18:56:50,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 18:56:50,639 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-27 18:56:50,641 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 18:56:50,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 18:56:50,679 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 18:56:50,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 18:56:50,720 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1019512668] [2019-11-27 18:56:50,720 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 18:56:50,720 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-27 18:56:50,720 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747448405] [2019-11-27 18:56:50,725 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-27 18:56:50,725 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 18:56:50,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-27 18:56:50,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-27 18:56:50,726 INFO L87 Difference]: Start difference. First operand 91 states and 104 transitions. Second operand 5 states. [2019-11-27 18:56:50,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 18:56:50,783 INFO L93 Difference]: Finished difference Result 90 states and 100 transitions. [2019-11-27 18:56:50,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-27 18:56:50,784 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-11-27 18:56:50,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 18:56:50,785 INFO L225 Difference]: With dead ends: 90 [2019-11-27 18:56:50,786 INFO L226 Difference]: Without dead ends: 90 [2019-11-27 18:56:50,786 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-27 18:56:50,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2019-11-27 18:56:50,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 88. [2019-11-27 18:56:50,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2019-11-27 18:56:50,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 98 transitions. [2019-11-27 18:56:50,796 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 98 transitions. Word has length 22 [2019-11-27 18:56:50,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 18:56:50,796 INFO L462 AbstractCegarLoop]: Abstraction has 88 states and 98 transitions. [2019-11-27 18:56:50,796 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-27 18:56:50,796 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 98 transitions. [2019-11-27 18:56:50,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-27 18:56:50,797 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 18:56:50,797 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 18:56:51,000 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-27 18:56:51,002 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]=== [2019-11-27 18:56:51,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 18:56:51,002 INFO L82 PathProgramCache]: Analyzing trace with hash -1857306545, now seen corresponding path program 1 times [2019-11-27 18:56:51,007 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 18:56:51,007 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1808560533] [2019-11-27 18:56:51,008 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 [2019-11-27 18:56:51,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 18:56:51,131 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-27 18:56:51,134 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 18:56:51,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 18:56:51,155 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 18:56:51,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 18:56:51,246 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1808560533] [2019-11-27 18:56:51,246 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 18:56:51,246 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-27 18:56:51,246 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408348180] [2019-11-27 18:56:51,247 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-27 18:56:51,247 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 18:56:51,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-27 18:56:51,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-27 18:56:51,248 INFO L87 Difference]: Start difference. First operand 88 states and 98 transitions. Second operand 5 states. [2019-11-27 18:56:51,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 18:56:51,312 INFO L93 Difference]: Finished difference Result 90 states and 99 transitions. [2019-11-27 18:56:51,314 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-27 18:56:51,314 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-11-27 18:56:51,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 18:56:51,316 INFO L225 Difference]: With dead ends: 90 [2019-11-27 18:56:51,316 INFO L226 Difference]: Without dead ends: 90 [2019-11-27 18:56:51,316 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-27 18:56:51,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2019-11-27 18:56:51,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 88. [2019-11-27 18:56:51,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2019-11-27 18:56:51,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 97 transitions. [2019-11-27 18:56:51,324 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 97 transitions. Word has length 23 [2019-11-27 18:56:51,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 18:56:51,324 INFO L462 AbstractCegarLoop]: Abstraction has 88 states and 97 transitions. [2019-11-27 18:56:51,324 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-27 18:56:51,325 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 97 transitions. [2019-11-27 18:56:51,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-27 18:56:51,325 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 18:56:51,326 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 18:56:51,533 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-27 18:56:51,536 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]=== [2019-11-27 18:56:51,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 18:56:51,537 INFO L82 PathProgramCache]: Analyzing trace with hash -114496210, now seen corresponding path program 1 times [2019-11-27 18:56:51,537 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 18:56:51,538 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [536573982] [2019-11-27 18:56:51,538 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 [2019-11-27 18:56:51,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 18:56:51,657 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-27 18:56:51,662 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 18:56:51,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 18:56:51,671 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 18:56:51,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 18:56:51,732 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [536573982] [2019-11-27 18:56:51,732 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 18:56:51,732 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-27 18:56:51,732 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371273736] [2019-11-27 18:56:51,733 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-27 18:56:51,733 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 18:56:51,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-27 18:56:51,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-27 18:56:51,734 INFO L87 Difference]: Start difference. First operand 88 states and 97 transitions. Second operand 3 states. [2019-11-27 18:56:51,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 18:56:51,892 INFO L93 Difference]: Finished difference Result 126 states and 140 transitions. [2019-11-27 18:56:51,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-27 18:56:51,892 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2019-11-27 18:56:51,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 18:56:51,895 INFO L225 Difference]: With dead ends: 126 [2019-11-27 18:56:51,895 INFO L226 Difference]: Without dead ends: 121 [2019-11-27 18:56:51,895 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-27 18:56:51,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2019-11-27 18:56:51,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 86. [2019-11-27 18:56:51,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2019-11-27 18:56:51,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 94 transitions. [2019-11-27 18:56:51,904 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 94 transitions. Word has length 23 [2019-11-27 18:56:51,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 18:56:51,904 INFO L462 AbstractCegarLoop]: Abstraction has 86 states and 94 transitions. [2019-11-27 18:56:51,904 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-27 18:56:51,904 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 94 transitions. [2019-11-27 18:56:51,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-27 18:56:51,905 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 18:56:51,905 INFO L410 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 18:56:52,116 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-11-27 18:56:52,118 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]=== [2019-11-27 18:56:52,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 18:56:52,119 INFO L82 PathProgramCache]: Analyzing trace with hash -121920454, now seen corresponding path program 1 times [2019-11-27 18:56:52,119 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 18:56:52,120 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1602578481] [2019-11-27 18:56:52,120 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 [2019-11-27 18:56:52,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 18:56:52,250 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 21 conjunts are in the unsatisfiable core [2019-11-27 18:56:52,252 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 18:56:52,298 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 [2019-11-27 18:56:52,298 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-27 18:56:52,303 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-27 18:56:52,304 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-27 18:56:52,304 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-27 18:56:52,707 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 18:56:52,708 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 18:56:54,085 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-27 18:56:54,404 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2019-11-27 18:56:54,846 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 18:56:54,847 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1602578481] [2019-11-27 18:56:54,847 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-27 18:56:54,847 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11] total 23 [2019-11-27 18:56:54,847 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749712969] [2019-11-27 18:56:54,848 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2019-11-27 18:56:54,848 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 18:56:54,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2019-11-27 18:56:54,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=458, Unknown=0, NotChecked=0, Total=552 [2019-11-27 18:56:54,849 INFO L87 Difference]: Start difference. First operand 86 states and 94 transitions. Second operand 24 states. [2019-11-27 18:56:56,548 WARN L192 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2019-11-27 18:56:56,883 WARN L192 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 28 [2019-11-27 18:56:57,280 WARN L192 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2019-11-27 18:56:57,540 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 28 [2019-11-27 18:56:58,600 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2019-11-27 18:56:59,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 18:56:59,124 INFO L93 Difference]: Finished difference Result 101 states and 116 transitions. [2019-11-27 18:56:59,125 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-11-27 18:56:59,125 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 28 [2019-11-27 18:56:59,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 18:56:59,127 INFO L225 Difference]: With dead ends: 101 [2019-11-27 18:56:59,127 INFO L226 Difference]: Without dead ends: 101 [2019-11-27 18:56:59,128 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 30 SyntacticMatches, 3 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 219 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=252, Invalid=938, Unknown=0, NotChecked=0, Total=1190 [2019-11-27 18:56:59,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2019-11-27 18:56:59,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 98. [2019-11-27 18:56:59,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2019-11-27 18:56:59,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 110 transitions. [2019-11-27 18:56:59,136 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 110 transitions. Word has length 28 [2019-11-27 18:56:59,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 18:56:59,136 INFO L462 AbstractCegarLoop]: Abstraction has 98 states and 110 transitions. [2019-11-27 18:56:59,136 INFO L463 AbstractCegarLoop]: Interpolant automaton has 24 states. [2019-11-27 18:56:59,136 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 110 transitions. [2019-11-27 18:56:59,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-27 18:56:59,138 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 18:56:59,138 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 18:56:59,348 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-11-27 18:56:59,350 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]=== [2019-11-27 18:56:59,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 18:56:59,351 INFO L82 PathProgramCache]: Analyzing trace with hash -1984551823, now seen corresponding path program 1 times [2019-11-27 18:56:59,351 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 18:56:59,352 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [971954580] [2019-11-27 18:56:59,352 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 [2019-11-27 18:56:59,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 18:56:59,490 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-27 18:56:59,492 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 18:56:59,497 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-27 18:56:59,497 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-27 18:56:59,498 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-27 18:56:59,499 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-27 18:56:59,499 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-27 18:56:59,554 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-27 18:56:59,554 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 18:56:59,644 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-27 18:56:59,644 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [971954580] [2019-11-27 18:56:59,645 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 18:56:59,645 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 8 [2019-11-27 18:56:59,645 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002855803] [2019-11-27 18:56:59,645 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-27 18:56:59,646 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 18:56:59,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-27 18:56:59,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2019-11-27 18:56:59,646 INFO L87 Difference]: Start difference. First operand 98 states and 110 transitions. Second operand 9 states. [2019-11-27 18:57:00,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 18:57:00,391 INFO L93 Difference]: Finished difference Result 165 states and 186 transitions. [2019-11-27 18:57:00,391 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-27 18:57:00,391 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 35 [2019-11-27 18:57:00,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 18:57:00,394 INFO L225 Difference]: With dead ends: 165 [2019-11-27 18:57:00,394 INFO L226 Difference]: Without dead ends: 165 [2019-11-27 18:57:00,395 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 60 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2019-11-27 18:57:00,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2019-11-27 18:57:00,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 115. [2019-11-27 18:57:00,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2019-11-27 18:57:00,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 134 transitions. [2019-11-27 18:57:00,404 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 134 transitions. Word has length 35 [2019-11-27 18:57:00,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 18:57:00,405 INFO L462 AbstractCegarLoop]: Abstraction has 115 states and 134 transitions. [2019-11-27 18:57:00,405 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-27 18:57:00,405 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 134 transitions. [2019-11-27 18:57:00,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-27 18:57:00,406 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 18:57:00,406 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 18:57:00,619 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-11-27 18:57:00,620 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]=== [2019-11-27 18:57:00,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 18:57:00,621 INFO L82 PathProgramCache]: Analyzing trace with hash -1984551822, now seen corresponding path program 1 times [2019-11-27 18:57:00,621 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 18:57:00,622 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1337880088] [2019-11-27 18:57:00,622 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2019-11-27 18:57:00,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 18:57:00,757 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 25 conjunts are in the unsatisfiable core [2019-11-27 18:57:00,760 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 18:57:00,795 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 [2019-11-27 18:57:00,795 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-27 18:57:00,802 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-27 18:57:00,802 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-27 18:57:00,802 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-27 18:57:01,071 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 18:57:01,071 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 18:57:01,409 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 18:57:02,176 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 18:57:02,176 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1337880088] [2019-11-27 18:57:02,177 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-27 18:57:02,177 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [12] total 20 [2019-11-27 18:57:02,177 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867137937] [2019-11-27 18:57:02,178 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-27 18:57:02,178 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 18:57:02,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-27 18:57:02,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=367, Unknown=0, NotChecked=0, Total=420 [2019-11-27 18:57:02,179 INFO L87 Difference]: Start difference. First operand 115 states and 134 transitions. Second operand 10 states. [2019-11-27 18:57:08,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 18:57:08,244 INFO L93 Difference]: Finished difference Result 151 states and 177 transitions. [2019-11-27 18:57:08,246 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-27 18:57:08,246 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 35 [2019-11-27 18:57:08,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 18:57:08,248 INFO L225 Difference]: With dead ends: 151 [2019-11-27 18:57:08,248 INFO L226 Difference]: Without dead ends: 151 [2019-11-27 18:57:08,248 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 49 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=79, Invalid=571, Unknown=0, NotChecked=0, Total=650 [2019-11-27 18:57:08,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2019-11-27 18:57:08,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 134. [2019-11-27 18:57:08,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-11-27 18:57:08,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 161 transitions. [2019-11-27 18:57:08,257 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 161 transitions. Word has length 35 [2019-11-27 18:57:08,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 18:57:08,258 INFO L462 AbstractCegarLoop]: Abstraction has 134 states and 161 transitions. [2019-11-27 18:57:08,258 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-27 18:57:08,258 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 161 transitions. [2019-11-27 18:57:08,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-27 18:57:08,259 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 18:57:08,259 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 18:57:08,477 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-11-27 18:57:08,478 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]=== [2019-11-27 18:57:08,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 18:57:08,478 INFO L82 PathProgramCache]: Analyzing trace with hash -1643543858, now seen corresponding path program 1 times [2019-11-27 18:57:08,478 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 18:57:08,479 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [16146788] [2019-11-27 18:57:08,479 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2019-11-27 18:57:08,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 18:57:08,632 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-27 18:57:08,635 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 18:57:08,643 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 [2019-11-27 18:57:08,644 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-27 18:57:08,647 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-27 18:57:08,647 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-27 18:57:08,647 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-27 18:57:08,735 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-27 18:57:08,736 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 [2019-11-27 18:57:08,736 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-27 18:57:08,758 INFO L588 ElimStorePlain]: treesize reduction 14, result has 51.7 percent of original size [2019-11-27 18:57:08,759 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. [2019-11-27 18:57:08,759 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:15 [2019-11-27 18:57:08,791 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-27 18:57:08,792 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 18:57:09,419 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-27 18:57:09,419 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [16146788] [2019-11-27 18:57:09,419 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-27 18:57:09,419 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2019-11-27 18:57:09,420 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989979362] [2019-11-27 18:57:09,420 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-11-27 18:57:09,420 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 18:57:09,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-11-27 18:57:09,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2019-11-27 18:57:09,421 INFO L87 Difference]: Start difference. First operand 134 states and 161 transitions. Second operand 17 states. [2019-11-27 18:57:13,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 18:57:13,091 INFO L93 Difference]: Finished difference Result 179 states and 212 transitions. [2019-11-27 18:57:13,093 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-27 18:57:13,093 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 35 [2019-11-27 18:57:13,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 18:57:13,096 INFO L225 Difference]: With dead ends: 179 [2019-11-27 18:57:13,096 INFO L226 Difference]: Without dead ends: 179 [2019-11-27 18:57:13,097 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=94, Invalid=458, Unknown=0, NotChecked=0, Total=552 [2019-11-27 18:57:13,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2019-11-27 18:57:13,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 143. [2019-11-27 18:57:13,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2019-11-27 18:57:13,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 177 transitions. [2019-11-27 18:57:13,105 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 177 transitions. Word has length 35 [2019-11-27 18:57:13,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 18:57:13,105 INFO L462 AbstractCegarLoop]: Abstraction has 143 states and 177 transitions. [2019-11-27 18:57:13,105 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-11-27 18:57:13,105 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 177 transitions. [2019-11-27 18:57:13,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-27 18:57:13,106 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 18:57:13,107 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 18:57:13,311 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2019-11-27 18:57:13,312 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]=== [2019-11-27 18:57:13,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 18:57:13,313 INFO L82 PathProgramCache]: Analyzing trace with hash -1643543857, now seen corresponding path program 1 times [2019-11-27 18:57:13,314 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 18:57:13,315 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1405335797] [2019-11-27 18:57:13,315 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 [2019-11-27 18:57:13,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 18:57:13,485 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 36 conjunts are in the unsatisfiable core [2019-11-27 18:57:13,487 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 18:57:13,519 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 [2019-11-27 18:57:13,519 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-27 18:57:13,530 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-27 18:57:13,534 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 [2019-11-27 18:57:13,534 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-27 18:57:13,540 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-27 18:57:13,541 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-27 18:57:13,541 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-11-27 18:57:15,942 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-27 18:57:15,943 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 17 [2019-11-27 18:57:15,944 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-27 18:57:15,992 INFO L588 ElimStorePlain]: treesize reduction 3, result has 91.2 percent of original size [2019-11-27 18:57:15,997 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2019-11-27 18:57:15,998 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-27 18:57:16,021 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-27 18:57:16,022 INFO L508 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-27 18:57:16,022 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:42, output treesize:21 [2019-11-27 18:57:16,079 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 18:57:16,080 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 18:57:16,338 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 18:57:16,613 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 18:57:16,613 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 18:57:16,614 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 18:57:20,245 WARN L192 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 38 DAG size of output: 32 [2019-11-27 18:57:20,249 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 18:57:30,250 INFO L404 ElimStorePlain]: Different costs {1=[|v_#valid_249|], 2=[|v_#length_204|]} [2019-11-27 18:57:30,260 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-27 18:57:30,262 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-27 18:57:30,268 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-27 18:57:30,268 INFO L476 ElimStorePlain]: Eliminatee |v_#length_204| vanished before elimination [2019-11-27 18:57:30,269 INFO L508 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-27 18:57:30,269 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:30, output treesize:1 [2019-11-27 18:57:30,270 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 18:57:30,861 INFO L404 ElimStorePlain]: Different costs {1=[|#valid|], 2=[|#length|]} [2019-11-27 18:57:30,867 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 [2019-11-27 18:57:30,868 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-27 18:57:30,886 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-27 18:57:30,888 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-27 18:57:30,888 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-27 18:57:30,906 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-27 18:57:30,907 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. [2019-11-27 18:57:30,907 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:34, output treesize:17 [2019-11-27 18:57:31,093 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 18:57:31,093 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1405335797] [2019-11-27 18:57:31,093 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-27 18:57:31,094 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14] total 29 [2019-11-27 18:57:31,094 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553061589] [2019-11-27 18:57:31,094 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2019-11-27 18:57:31,094 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 18:57:31,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2019-11-27 18:57:31,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=769, Unknown=3, NotChecked=0, Total=870 [2019-11-27 18:57:31,095 INFO L87 Difference]: Start difference. First operand 143 states and 177 transitions. Second operand 30 states. [2019-11-27 18:58:01,249 WARN L192 SmtUtils]: Spent 8.22 s on a formula simplification that was a NOOP. DAG size: 54 [2019-11-27 18:58:06,248 WARN L192 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2019-11-27 18:58:07,932 WARN L192 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2019-11-27 18:58:13,149 WARN L192 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2019-11-27 18:58:16,662 WARN L192 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 16 [2019-11-27 18:58:50,990 WARN L192 SmtUtils]: Spent 6.16 s on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2019-11-27 18:59:05,345 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 24 [2019-11-27 18:59:07,320 WARN L192 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2019-11-27 18:59:08,655 WARN L192 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2019-11-27 18:59:35,076 WARN L192 SmtUtils]: Spent 23.06 s on a formula simplification that was a NOOP. DAG size: 111 [2019-11-27 19:00:00,024 WARN L192 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2019-11-27 19:00:02,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 19:00:02,835 INFO L93 Difference]: Finished difference Result 326 states and 395 transitions. [2019-11-27 19:00:02,836 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2019-11-27 19:00:02,836 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 35 [2019-11-27 19:00:02,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 19:00:02,839 INFO L225 Difference]: With dead ends: 326 [2019-11-27 19:00:02,839 INFO L226 Difference]: Without dead ends: 326 [2019-11-27 19:00:02,840 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 38 SyntacticMatches, 4 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 525 ImplicationChecksByTransitivity, 89.3s TimeCoverageRelationStatistics Valid=293, Invalid=2456, Unknown=7, NotChecked=0, Total=2756 [2019-11-27 19:00:02,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2019-11-27 19:00:02,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 212. [2019-11-27 19:00:02,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2019-11-27 19:00:02,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 285 transitions. [2019-11-27 19:00:02,854 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 285 transitions. Word has length 35 [2019-11-27 19:00:02,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 19:00:02,854 INFO L462 AbstractCegarLoop]: Abstraction has 212 states and 285 transitions. [2019-11-27 19:00:02,854 INFO L463 AbstractCegarLoop]: Interpolant automaton has 30 states. [2019-11-27 19:00:02,855 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 285 transitions. [2019-11-27 19:00:02,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-27 19:00:02,856 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 19:00:02,857 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 19:00:03,060 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2019-11-27 19:00:03,061 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]=== [2019-11-27 19:00:03,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 19:00:03,062 INFO L82 PathProgramCache]: Analyzing trace with hash -1391563981, now seen corresponding path program 1 times [2019-11-27 19:00:03,062 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 19:00:03,062 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1096372960] [2019-11-27 19:00:03,063 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2019-11-27 19:00:03,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 19:00:03,198 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-27 19:00:03,200 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 19:00:03,208 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-27 19:00:03,208 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-27 19:00:03,211 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-27 19:00:03,211 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-27 19:00:03,212 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2019-11-27 19:00:03,257 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2019-11-27 19:00:03,258 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-27 19:00:03,260 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-27 19:00:03,260 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-27 19:00:03,261 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:15, output treesize:3 [2019-11-27 19:00:03,280 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 19:00:03,280 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 19:00:03,358 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2019-11-27 19:00:03,361 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2019-11-27 19:00:03,361 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-27 19:00:03,363 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-27 19:00:03,363 INFO L508 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-27 19:00:03,365 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-27 19:00:03,366 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-27 19:00:03,366 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:14, output treesize:7 [2019-11-27 19:00:03,392 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 19:00:03,392 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1096372960] [2019-11-27 19:00:03,393 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-27 19:00:03,393 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2019-11-27 19:00:03,393 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868507036] [2019-11-27 19:00:03,393 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-27 19:00:03,393 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 19:00:03,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-27 19:00:03,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-11-27 19:00:03,394 INFO L87 Difference]: Start difference. First operand 212 states and 285 transitions. Second operand 11 states. [2019-11-27 19:00:04,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 19:00:04,374 INFO L93 Difference]: Finished difference Result 309 states and 405 transitions. [2019-11-27 19:00:04,378 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-27 19:00:04,378 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 36 [2019-11-27 19:00:04,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 19:00:04,380 INFO L225 Difference]: With dead ends: 309 [2019-11-27 19:00:04,380 INFO L226 Difference]: Without dead ends: 309 [2019-11-27 19:00:04,381 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2019-11-27 19:00:04,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2019-11-27 19:00:04,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 242. [2019-11-27 19:00:04,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2019-11-27 19:00:04,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 328 transitions. [2019-11-27 19:00:04,394 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 328 transitions. Word has length 36 [2019-11-27 19:00:04,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 19:00:04,394 INFO L462 AbstractCegarLoop]: Abstraction has 242 states and 328 transitions. [2019-11-27 19:00:04,394 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-27 19:00:04,395 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 328 transitions. [2019-11-27 19:00:04,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-27 19:00:04,396 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 19:00:04,396 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 19:00:04,607 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2019-11-27 19:00:04,608 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]=== [2019-11-27 19:00:04,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 19:00:04,610 INFO L82 PathProgramCache]: Analyzing trace with hash -188809999, now seen corresponding path program 1 times [2019-11-27 19:00:04,610 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 19:00:04,611 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [218287458] [2019-11-27 19:00:04,611 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 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 [2019-11-27 19:00:04,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 19:00:04,753 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-27 19:00:04,755 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 19:00:04,799 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-27 19:00:04,800 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-27 19:00:04,808 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-27 19:00:04,808 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-27 19:00:04,808 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:11 [2019-11-27 19:00:04,914 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2019-11-27 19:00:04,915 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-27 19:00:04,922 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-27 19:00:04,923 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-27 19:00:04,923 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:18, output treesize:7 [2019-11-27 19:00:04,952 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 19:00:04,952 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 19:00:05,183 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2019-11-27 19:00:05,187 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 24 [2019-11-27 19:00:05,187 INFO L508 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-27 19:00:05,222 INFO L588 ElimStorePlain]: treesize reduction 9, result has 62.5 percent of original size [2019-11-27 19:00:05,222 INFO L508 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-27 19:00:05,235 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-27 19:00:05,236 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-27 19:00:05,236 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:14, output treesize:15 [2019-11-27 19:00:05,321 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 19:00:05,321 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [218287458] [2019-11-27 19:00:05,321 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-27 19:00:05,322 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2019-11-27 19:00:05,322 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644723352] [2019-11-27 19:00:05,322 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-27 19:00:05,322 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 19:00:05,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-27 19:00:05,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2019-11-27 19:00:05,323 INFO L87 Difference]: Start difference. First operand 242 states and 328 transitions. Second operand 15 states. [2019-11-27 19:00:07,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 19:00:07,476 INFO L93 Difference]: Finished difference Result 328 states and 407 transitions. [2019-11-27 19:00:07,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-11-27 19:00:07,477 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 37 [2019-11-27 19:00:07,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 19:00:07,480 INFO L225 Difference]: With dead ends: 328 [2019-11-27 19:00:07,480 INFO L226 Difference]: Without dead ends: 328 [2019-11-27 19:00:07,480 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=175, Invalid=581, Unknown=0, NotChecked=0, Total=756 [2019-11-27 19:00:07,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2019-11-27 19:00:07,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 254. [2019-11-27 19:00:07,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2019-11-27 19:00:07,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 345 transitions. [2019-11-27 19:00:07,493 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 345 transitions. Word has length 37 [2019-11-27 19:00:07,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 19:00:07,493 INFO L462 AbstractCegarLoop]: Abstraction has 254 states and 345 transitions. [2019-11-27 19:00:07,493 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-27 19:00:07,493 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 345 transitions. [2019-11-27 19:00:07,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-27 19:00:07,495 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 19:00:07,495 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 19:00:07,706 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 mathsat -unsat_core_generation=3 [2019-11-27 19:00:07,707 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]=== [2019-11-27 19:00:07,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 19:00:07,708 INFO L82 PathProgramCache]: Analyzing trace with hash 1102273563, now seen corresponding path program 1 times [2019-11-27 19:00:07,708 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 19:00:07,709 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1440429035] [2019-11-27 19:00:07,709 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 [2019-11-27 19:00:07,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 19:00:07,842 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-27 19:00:07,843 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 19:00:07,856 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-27 19:00:07,856 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 19:00:07,905 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-27 19:00:07,906 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1440429035] [2019-11-27 19:00:07,906 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 19:00:07,906 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-27 19:00:07,906 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963218965] [2019-11-27 19:00:07,906 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-27 19:00:07,907 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 19:00:07,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-27 19:00:07,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-27 19:00:07,907 INFO L87 Difference]: Start difference. First operand 254 states and 345 transitions. Second operand 5 states. [2019-11-27 19:00:07,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 19:00:07,962 INFO L93 Difference]: Finished difference Result 261 states and 353 transitions. [2019-11-27 19:00:07,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-27 19:00:07,963 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2019-11-27 19:00:07,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 19:00:07,969 INFO L225 Difference]: With dead ends: 261 [2019-11-27 19:00:07,970 INFO L226 Difference]: Without dead ends: 261 [2019-11-27 19:00:07,971 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-27 19:00:07,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2019-11-27 19:00:07,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 249. [2019-11-27 19:00:07,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2019-11-27 19:00:07,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 337 transitions. [2019-11-27 19:00:07,987 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 337 transitions. Word has length 37 [2019-11-27 19:00:07,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 19:00:07,988 INFO L462 AbstractCegarLoop]: Abstraction has 249 states and 337 transitions. [2019-11-27 19:00:07,988 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-27 19:00:07,988 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 337 transitions. [2019-11-27 19:00:07,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-27 19:00:07,989 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 19:00:07,989 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 19:00:08,208 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 mathsat -unsat_core_generation=3 [2019-11-27 19:00:08,209 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]=== [2019-11-27 19:00:08,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 19:00:08,210 INFO L82 PathProgramCache]: Analyzing trace with hash -1449883398, now seen corresponding path program 1 times [2019-11-27 19:00:08,210 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 19:00:08,211 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1148637933] [2019-11-27 19:00:08,211 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 [2019-11-27 19:00:08,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 19:00:08,344 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-27 19:00:08,345 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 19:00:08,364 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-27 19:00:08,364 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 19:00:08,393 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-27 19:00:08,393 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1148637933] [2019-11-27 19:00:08,393 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 19:00:08,393 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-11-27 19:00:08,393 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884273825] [2019-11-27 19:00:08,394 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-27 19:00:08,394 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 19:00:08,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-27 19:00:08,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-27 19:00:08,394 INFO L87 Difference]: Start difference. First operand 249 states and 337 transitions. Second operand 6 states. [2019-11-27 19:00:08,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 19:00:08,498 INFO L93 Difference]: Finished difference Result 224 states and 287 transitions. [2019-11-27 19:00:08,499 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-27 19:00:08,499 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2019-11-27 19:00:08,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 19:00:08,501 INFO L225 Difference]: With dead ends: 224 [2019-11-27 19:00:08,501 INFO L226 Difference]: Without dead ends: 224 [2019-11-27 19:00:08,501 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-27 19:00:08,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2019-11-27 19:00:08,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 214. [2019-11-27 19:00:08,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2019-11-27 19:00:08,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 277 transitions. [2019-11-27 19:00:08,512 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 277 transitions. Word has length 37 [2019-11-27 19:00:08,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 19:00:08,512 INFO L462 AbstractCegarLoop]: Abstraction has 214 states and 277 transitions. [2019-11-27 19:00:08,512 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-27 19:00:08,513 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 277 transitions. [2019-11-27 19:00:08,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-27 19:00:08,513 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 19:00:08,514 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 19:00:08,724 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 mathsat -unsat_core_generation=3 [2019-11-27 19:00:08,725 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]=== [2019-11-27 19:00:08,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 19:00:08,726 INFO L82 PathProgramCache]: Analyzing trace with hash -1559450878, now seen corresponding path program 1 times [2019-11-27 19:00:08,726 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 19:00:08,727 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2029987037] [2019-11-27 19:00:08,727 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 16 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with mathsat -unsat_core_generation=3 [2019-11-27 19:00:08,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 19:00:08,851 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-27 19:00:08,853 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 19:00:08,985 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-27 19:00:08,985 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 19:00:09,093 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-27 19:00:09,095 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2029987037] [2019-11-27 19:00:09,095 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 19:00:09,095 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 4] imperfect sequences [] total 9 [2019-11-27 19:00:09,095 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452494044] [2019-11-27 19:00:09,096 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-27 19:00:09,096 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 19:00:09,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-27 19:00:09,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2019-11-27 19:00:09,096 INFO L87 Difference]: Start difference. First operand 214 states and 277 transitions. Second operand 10 states. [2019-11-27 19:00:09,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 19:00:09,426 INFO L93 Difference]: Finished difference Result 217 states and 279 transitions. [2019-11-27 19:00:09,427 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-27 19:00:09,427 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 38 [2019-11-27 19:00:09,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 19:00:09,428 INFO L225 Difference]: With dead ends: 217 [2019-11-27 19:00:09,428 INFO L226 Difference]: Without dead ends: 215 [2019-11-27 19:00:09,429 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 64 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2019-11-27 19:00:09,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2019-11-27 19:00:09,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2019-11-27 19:00:09,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2019-11-27 19:00:09,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 277 transitions. [2019-11-27 19:00:09,441 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 277 transitions. Word has length 38 [2019-11-27 19:00:09,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 19:00:09,441 INFO L462 AbstractCegarLoop]: Abstraction has 215 states and 277 transitions. [2019-11-27 19:00:09,442 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-27 19:00:09,442 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 277 transitions. [2019-11-27 19:00:09,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-27 19:00:09,443 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 19:00:09,443 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 19:00:09,663 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 mathsat -unsat_core_generation=3 [2019-11-27 19:00:09,664 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]=== [2019-11-27 19:00:09,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 19:00:09,665 INFO L82 PathProgramCache]: Analyzing trace with hash -2061012070, now seen corresponding path program 1 times [2019-11-27 19:00:09,666 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 19:00:09,666 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1770904152] [2019-11-27 19:00:09,667 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 [2019-11-27 19:00:09,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 19:00:09,835 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-27 19:00:09,836 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 19:00:09,861 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-27 19:00:09,862 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 19:00:09,909 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-27 19:00:09,910 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1770904152] [2019-11-27 19:00:09,910 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 19:00:09,910 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-27 19:00:09,910 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933892367] [2019-11-27 19:00:09,911 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-27 19:00:09,911 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 19:00:09,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-27 19:00:09,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-27 19:00:09,911 INFO L87 Difference]: Start difference. First operand 215 states and 277 transitions. Second operand 5 states. [2019-11-27 19:00:09,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 19:00:09,933 INFO L93 Difference]: Finished difference Result 186 states and 229 transitions. [2019-11-27 19:00:09,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-27 19:00:09,935 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2019-11-27 19:00:09,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 19:00:09,937 INFO L225 Difference]: With dead ends: 186 [2019-11-27 19:00:09,937 INFO L226 Difference]: Without dead ends: 186 [2019-11-27 19:00:09,937 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-27 19:00:09,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2019-11-27 19:00:09,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 184. [2019-11-27 19:00:09,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2019-11-27 19:00:09,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 226 transitions. [2019-11-27 19:00:09,944 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 226 transitions. Word has length 38 [2019-11-27 19:00:09,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 19:00:09,945 INFO L462 AbstractCegarLoop]: Abstraction has 184 states and 226 transitions. [2019-11-27 19:00:09,945 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-27 19:00:09,945 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 226 transitions. [2019-11-27 19:00:09,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-27 19:00:09,946 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 19:00:09,946 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 19:00:10,158 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 mathsat -unsat_core_generation=3 [2019-11-27 19:00:10,159 INFO L410 AbstractCegarLoop]: === Iteration 17 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-27 19:00:10,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 19:00:10,160 INFO L82 PathProgramCache]: Analyzing trace with hash 1392141398, now seen corresponding path program 1 times [2019-11-27 19:00:10,160 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 19:00:10,161 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [229765796] [2019-11-27 19:00:10,161 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 18 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with mathsat -unsat_core_generation=3 [2019-11-27 19:00:10,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 19:00:10,317 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-27 19:00:10,318 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 19:00:10,429 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-27 19:00:10,429 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 19:00:10,650 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-27 19:00:10,650 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [229765796] [2019-11-27 19:00:10,650 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-27 19:00:10,650 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 15 [2019-11-27 19:00:10,650 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871607893] [2019-11-27 19:00:10,651 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-27 19:00:10,651 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 19:00:10,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-27 19:00:10,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2019-11-27 19:00:10,651 INFO L87 Difference]: Start difference. First operand 184 states and 226 transitions. Second operand 15 states. [2019-11-27 19:00:11,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 19:00:11,074 INFO L93 Difference]: Finished difference Result 183 states and 222 transitions. [2019-11-27 19:00:11,074 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-27 19:00:11,075 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 41 [2019-11-27 19:00:11,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 19:00:11,076 INFO L225 Difference]: With dead ends: 183 [2019-11-27 19:00:11,077 INFO L226 Difference]: Without dead ends: 177 [2019-11-27 19:00:11,077 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 67 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2019-11-27 19:00:11,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2019-11-27 19:00:11,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 160. [2019-11-27 19:00:11,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2019-11-27 19:00:11,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 193 transitions. [2019-11-27 19:00:11,085 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 193 transitions. Word has length 41 [2019-11-27 19:00:11,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 19:00:11,086 INFO L462 AbstractCegarLoop]: Abstraction has 160 states and 193 transitions. [2019-11-27 19:00:11,086 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-27 19:00:11,086 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 193 transitions. [2019-11-27 19:00:11,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-27 19:00:11,087 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 19:00:11,088 INFO L410 BasicCegarLoop]: trace histogram [7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 19:00:11,303 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 mathsat -unsat_core_generation=3 [2019-11-27 19:00:11,303 INFO L410 AbstractCegarLoop]: === Iteration 18 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-27 19:00:11,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 19:00:11,305 INFO L82 PathProgramCache]: Analyzing trace with hash -41475270, now seen corresponding path program 2 times [2019-11-27 19:00:11,306 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 19:00:11,306 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [413065682] [2019-11-27 19:00:11,306 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 19 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with mathsat -unsat_core_generation=3 [2019-11-27 19:00:11,493 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-27 19:00:11,493 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-27 19:00:11,503 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 24 conjunts are in the unsatisfiable core [2019-11-27 19:00:11,504 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 19:00:11,545 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 [2019-11-27 19:00:11,545 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-27 19:00:11,552 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-27 19:00:11,553 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-27 19:00:11,553 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-27 19:00:12,120 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 19:00:12,120 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 19:00:14,488 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 19:00:15,448 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 19:00:15,448 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [413065682] [2019-11-27 19:00:15,448 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-27 19:00:15,448 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14] total 29 [2019-11-27 19:00:15,448 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654901155] [2019-11-27 19:00:15,449 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2019-11-27 19:00:15,449 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 19:00:15,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2019-11-27 19:00:15,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=722, Unknown=0, NotChecked=0, Total=870 [2019-11-27 19:00:15,450 INFO L87 Difference]: Start difference. First operand 160 states and 193 transitions. Second operand 30 states. [2019-11-27 19:00:20,797 WARN L192 SmtUtils]: Spent 956.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 40 [2019-11-27 19:00:21,613 WARN L192 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 28 [2019-11-27 19:00:23,656 WARN L192 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 40 [2019-11-27 19:00:25,080 WARN L192 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 28 [2019-11-27 19:00:27,476 WARN L192 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 39 [2019-11-27 19:00:29,001 WARN L192 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 27 [2019-11-27 19:00:31,193 WARN L192 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 40 [2019-11-27 19:00:32,515 WARN L192 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 28 [2019-11-27 19:00:34,553 WARN L192 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2019-11-27 19:00:35,509 WARN L192 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 28 [2019-11-27 19:00:36,268 WARN L192 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2019-11-27 19:00:36,858 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 28 [2019-11-27 19:00:38,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 19:00:38,525 INFO L93 Difference]: Finished difference Result 194 states and 265 transitions. [2019-11-27 19:00:38,528 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2019-11-27 19:00:38,528 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 40 [2019-11-27 19:00:38,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 19:00:38,529 INFO L225 Difference]: With dead ends: 194 [2019-11-27 19:00:38,529 INFO L226 Difference]: Without dead ends: 194 [2019-11-27 19:00:38,530 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 48 SyntacticMatches, 3 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 740 ImplicationChecksByTransitivity, 22.9s TimeCoverageRelationStatistics Valid=746, Invalid=2676, Unknown=0, NotChecked=0, Total=3422 [2019-11-27 19:00:38,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2019-11-27 19:00:38,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 184. [2019-11-27 19:00:38,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2019-11-27 19:00:38,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 225 transitions. [2019-11-27 19:00:38,543 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 225 transitions. Word has length 40 [2019-11-27 19:00:38,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 19:00:38,543 INFO L462 AbstractCegarLoop]: Abstraction has 184 states and 225 transitions. [2019-11-27 19:00:38,543 INFO L463 AbstractCegarLoop]: Interpolant automaton has 30 states. [2019-11-27 19:00:38,544 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 225 transitions. [2019-11-27 19:00:38,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-27 19:00:38,545 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 19:00:38,545 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 19:00:38,757 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 mathsat -unsat_core_generation=3 [2019-11-27 19:00:38,758 INFO L410 AbstractCegarLoop]: === Iteration 19 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-27 19:00:38,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 19:00:38,758 INFO L82 PathProgramCache]: Analyzing trace with hash -541551801, now seen corresponding path program 1 times [2019-11-27 19:00:38,759 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 19:00:38,759 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [698669769] [2019-11-27 19:00:38,759 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 20 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with mathsat -unsat_core_generation=3 [2019-11-27 19:00:38,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 19:00:38,891 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 27 conjunts are in the unsatisfiable core [2019-11-27 19:00:38,893 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 19:00:38,927 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 [2019-11-27 19:00:38,928 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-27 19:00:38,934 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-27 19:00:38,934 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-27 19:00:38,935 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-27 19:00:39,335 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 19:00:39,335 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 19:00:39,770 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 19:00:40,060 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 mathsat -unsat_core_generation=3 [2019-11-27 19:00:40,061 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Alternating quantifiers not yet supported at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:283) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:264) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:565) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:478) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:102) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:246) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:419) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:291) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:334) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:177) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:139) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-27 19:00:40,068 INFO L168 Benchmark]: Toolchain (without parser) took 237198.31 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 326.6 MB). Free memory was 953.6 MB in the beginning and 1.0 GB in the end (delta: -89.8 MB). Peak memory consumption was 236.9 MB. Max. memory is 11.5 GB. [2019-11-27 19:00:40,068 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 19:00:40,068 INFO L168 Benchmark]: CACSL2BoogieTranslator took 924.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 953.6 MB in the beginning and 1.1 GB in the end (delta: -144.4 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2019-11-27 19:00:40,069 INFO L168 Benchmark]: Boogie Preprocessor took 116.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-27 19:00:40,073 INFO L168 Benchmark]: RCFGBuilder took 1823.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 974.0 MB in the end (delta: 117.5 MB). Peak memory consumption was 117.5 MB. Max. memory is 11.5 GB. [2019-11-27 19:00:40,077 INFO L168 Benchmark]: TraceAbstraction took 234329.27 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 178.8 MB). Free memory was 974.0 MB in the beginning and 1.0 GB in the end (delta: -69.4 MB). Peak memory consumption was 109.4 MB. Max. memory is 11.5 GB. [2019-11-27 19:00:40,081 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 924.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 953.6 MB in the beginning and 1.1 GB in the end (delta: -144.4 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 116.97 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 1823.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 974.0 MB in the end (delta: 117.5 MB). Peak memory consumption was 117.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 234329.27 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 178.8 MB). Free memory was 974.0 MB in the beginning and 1.0 GB in the end (delta: -69.4 MB). Peak memory consumption was 109.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Alternating quantifiers not yet supported: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:283) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...