./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test17_1-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 5758efa3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test17_1-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5be2e30df948ebd6000c3afde848283ab7f83dcc ......................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test17_1-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5be2e30df948ebd6000c3afde848283ab7f83dcc ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported --- Real Ultimate output --- This is Ultimate 0.1.24-5758efa [2019-11-26 20:35:33,922 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 20:35:33,924 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 20:35:33,937 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 20:35:33,937 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 20:35:33,938 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 20:35:33,940 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 20:35:33,942 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 20:35:33,944 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 20:35:33,945 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 20:35:33,946 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 20:35:33,947 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 20:35:33,947 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 20:35:33,948 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 20:35:33,949 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 20:35:33,950 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 20:35:33,951 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 20:35:33,954 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 20:35:33,955 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 20:35:33,958 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 20:35:33,960 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 20:35:33,965 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 20:35:33,968 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 20:35:33,969 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 20:35:33,973 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 20:35:33,976 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 20:35:33,977 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 20:35:33,978 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 20:35:33,980 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 20:35:33,981 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 20:35:33,982 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 20:35:33,983 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 20:35:33,983 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 20:35:33,984 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 20:35:33,985 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 20:35:33,988 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 20:35:33,989 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 20:35:33,990 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 20:35:33,990 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 20:35:33,992 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 20:35:33,994 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 20:35:33,995 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2019-11-26 20:35:34,018 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 20:35:34,018 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 20:35:34,021 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 20:35:34,021 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 20:35:34,021 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 20:35:34,022 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 20:35:34,022 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 20:35:34,022 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 20:35:34,022 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 20:35:34,023 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 20:35:34,024 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 20:35:34,024 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 20:35:34,024 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 20:35:34,025 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 20:35:34,025 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 20:35:34,026 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 20:35:34,026 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 20:35:34,026 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 20:35:34,026 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 20:35:34,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 20:35:34,027 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 20:35:34,028 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 20:35:34,028 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 20:35:34,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 20:35:34,028 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5be2e30df948ebd6000c3afde848283ab7f83dcc [2019-11-26 20:35:34,349 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 20:35:34,362 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 20:35:34,365 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 20:35:34,367 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 20:35:34,367 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 20:35:34,368 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test17_1-2.i [2019-11-26 20:35:34,445 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c5df1a89/970ae5e21ee24022beebe3ad9be7b411/FLAGaff6cfa8b [2019-11-26 20:35:35,009 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 20:35:35,010 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test17_1-2.i [2019-11-26 20:35:35,039 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c5df1a89/970ae5e21ee24022beebe3ad9be7b411/FLAGaff6cfa8b [2019-11-26 20:35:35,285 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c5df1a89/970ae5e21ee24022beebe3ad9be7b411 [2019-11-26 20:35:35,289 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 20:35:35,290 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-26 20:35:35,291 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 20:35:35,291 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 20:35:35,294 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 20:35:35,295 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 08:35:35" (1/1) ... [2019-11-26 20:35:35,298 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58451951 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 08:35:35, skipping insertion in model container [2019-11-26 20:35:35,298 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 08:35:35" (1/1) ... [2019-11-26 20:35:35,306 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 20:35:35,348 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 20:35:35,830 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 20:35:35,860 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2019-11-26 20:35:35,861 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@37996f45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 08:35:35, skipping insertion in model container [2019-11-26 20:35:35,861 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 20:35:35,861 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-26 20:35:35,865 INFO L168 Benchmark]: Toolchain (without parser) took 573.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -170.9 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. [2019-11-26 20:35:35,865 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 20:35:35,867 INFO L168 Benchmark]: CACSL2BoogieTranslator took 570.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -176.2 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2019-11-26 20:35:35,871 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 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 570.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -176.2 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-5758efa [2019-11-26 20:35:37,617 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 20:35:37,620 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 20:35:37,639 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 20:35:37,639 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 20:35:37,641 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 20:35:37,643 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 20:35:37,645 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 20:35:37,647 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 20:35:37,648 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 20:35:37,649 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 20:35:37,650 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 20:35:37,651 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 20:35:37,652 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 20:35:37,653 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 20:35:37,654 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 20:35:37,655 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 20:35:37,656 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 20:35:37,659 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 20:35:37,664 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 20:35:37,668 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 20:35:37,672 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 20:35:37,676 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 20:35:37,677 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 20:35:37,682 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 20:35:37,684 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 20:35:37,684 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 20:35:37,685 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 20:35:37,686 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 20:35:37,687 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 20:35:37,687 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 20:35:37,688 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 20:35:37,688 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 20:35:37,689 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 20:35:37,690 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 20:35:37,691 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 20:35:37,691 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 20:35:37,692 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 20:35:37,692 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 20:35:37,693 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 20:35:37,693 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 20:35:37,696 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2019-11-26 20:35:37,715 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 20:35:37,718 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 20:35:37,721 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 20:35:37,722 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 20:35:37,722 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 20:35:37,722 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 20:35:37,723 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 20:35:37,723 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 20:35:37,723 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 20:35:37,723 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 20:35:37,723 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 20:35:37,724 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 20:35:37,725 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 20:35:37,725 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 20:35:37,725 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 20:35:37,725 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 20:35:37,725 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 20:35:37,726 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 20:35:37,726 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 20:35:37,726 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 20:35:37,726 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 20:35:37,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 20:35:37,727 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 20:35:37,729 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 20:35:37,729 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 20:35:37,730 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 20:35:37,730 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 20:35:37,730 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5be2e30df948ebd6000c3afde848283ab7f83dcc [2019-11-26 20:35:38,059 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 20:35:38,072 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 20:35:38,076 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 20:35:38,077 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 20:35:38,078 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 20:35:38,078 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test17_1-2.i [2019-11-26 20:35:38,145 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d4aff0aa/2a156a6c78844067961774fe2b0e1b72/FLAG3317380dc [2019-11-26 20:35:38,706 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 20:35:38,706 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test17_1-2.i [2019-11-26 20:35:38,731 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d4aff0aa/2a156a6c78844067961774fe2b0e1b72/FLAG3317380dc [2019-11-26 20:35:39,057 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d4aff0aa/2a156a6c78844067961774fe2b0e1b72 [2019-11-26 20:35:39,060 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 20:35:39,061 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-26 20:35:39,062 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 20:35:39,063 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 20:35:39,066 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 20:35:39,067 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 08:35:39" (1/1) ... [2019-11-26 20:35:39,070 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63cff6e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 08:35:39, skipping insertion in model container [2019-11-26 20:35:39,070 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 08:35:39" (1/1) ... [2019-11-26 20:35:39,078 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 20:35:39,132 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 20:35:39,642 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 20:35:39,670 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-26 20:35:39,685 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 20:35:39,767 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 20:35:39,777 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 20:35:39,836 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 20:35:39,954 INFO L208 MainTranslator]: Completed translation [2019-11-26 20:35:39,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 08:35:39 WrapperNode [2019-11-26 20:35:39,955 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 20:35:39,956 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 20:35:39,956 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 20:35:39,957 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 20:35:39,970 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 08:35:39" (1/1) ... [2019-11-26 20:35:39,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 08:35:39" (1/1) ... [2019-11-26 20:35:40,003 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 08:35:39" (1/1) ... [2019-11-26 20:35:40,004 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 08:35:39" (1/1) ... [2019-11-26 20:35:40,039 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 08:35:39" (1/1) ... [2019-11-26 20:35:40,047 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 08:35:39" (1/1) ... [2019-11-26 20:35:40,054 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 08:35:39" (1/1) ... [2019-11-26 20:35:40,066 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 20:35:40,067 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 20:35:40,067 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 20:35:40,067 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 20:35:40,069 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 08:35:39" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 20:35:40,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-26 20:35:40,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 20:35:40,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-26 20:35:40,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-11-26 20:35:40,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-26 20:35:40,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-26 20:35:40,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-26 20:35:40,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-26 20:35:40,139 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-26 20:35:40,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-26 20:35:40,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-26 20:35:40,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-26 20:35:40,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-26 20:35:40,140 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-26 20:35:40,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-26 20:35:40,141 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-26 20:35:40,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-26 20:35:40,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-26 20:35:40,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-26 20:35:40,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-26 20:35:40,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-26 20:35:40,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-26 20:35:40,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-26 20:35:40,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-26 20:35:40,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-26 20:35:40,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-26 20:35:40,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-26 20:35:40,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-26 20:35:40,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-26 20:35:40,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-26 20:35:40,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-26 20:35:40,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-26 20:35:40,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-26 20:35:40,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-26 20:35:40,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-26 20:35:40,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-26 20:35:40,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-26 20:35:40,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-26 20:35:40,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-26 20:35:40,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-26 20:35:40,146 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-26 20:35:40,146 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-26 20:35:40,148 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_17 [2019-11-26 20:35:40,148 INFO L138 BoogieDeclarations]: Found implementation of procedure free_17 [2019-11-26 20:35:40,148 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-26 20:35:40,148 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-26 20:35:40,148 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-26 20:35:40,149 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-26 20:35:40,149 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-26 20:35:40,149 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-26 20:35:40,149 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-26 20:35:40,150 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-26 20:35:40,150 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-26 20:35:40,150 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-26 20:35:40,150 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-26 20:35:40,151 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-26 20:35:40,151 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-26 20:35:40,151 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-26 20:35:40,151 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-26 20:35:40,151 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-26 20:35:40,151 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-26 20:35:40,151 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-26 20:35:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-26 20:35:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-26 20:35:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-26 20:35:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-26 20:35:40,153 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-26 20:35:40,153 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-26 20:35:40,153 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-26 20:35:40,153 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-26 20:35:40,154 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-26 20:35:40,154 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-26 20:35:40,155 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-26 20:35:40,156 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-26 20:35:40,156 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-26 20:35:40,157 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-26 20:35:40,157 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-26 20:35:40,157 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-26 20:35:40,157 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-26 20:35:40,157 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-26 20:35:40,157 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-26 20:35:40,157 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-26 20:35:40,158 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-26 20:35:40,158 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-26 20:35:40,158 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-26 20:35:40,158 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-26 20:35:40,158 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-26 20:35:40,158 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-26 20:35:40,158 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-26 20:35:40,159 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-26 20:35:40,159 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-26 20:35:40,159 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-26 20:35:40,159 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-26 20:35:40,159 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-26 20:35:40,159 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-26 20:35:40,159 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-26 20:35:40,159 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-26 20:35:40,160 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-26 20:35:40,160 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-26 20:35:40,160 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-26 20:35:40,160 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-26 20:35:40,160 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-26 20:35:40,160 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-26 20:35:40,160 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-26 20:35:40,161 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-26 20:35:40,161 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-26 20:35:40,161 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-26 20:35:40,161 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-26 20:35:40,161 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-26 20:35:40,161 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-26 20:35:40,161 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-26 20:35:40,162 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-26 20:35:40,162 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-26 20:35:40,162 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-26 20:35:40,162 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-26 20:35:40,163 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-26 20:35:40,163 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-26 20:35:40,164 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-26 20:35:40,164 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-26 20:35:40,164 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-26 20:35:40,165 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-26 20:35:40,165 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-26 20:35:40,165 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-26 20:35:40,165 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-26 20:35:40,165 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-26 20:35:40,166 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-26 20:35:40,166 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-26 20:35:40,166 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-26 20:35:40,166 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-26 20:35:40,167 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-26 20:35:40,170 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-26 20:35:40,171 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-26 20:35:40,171 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-26 20:35:40,171 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-26 20:35:40,171 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-26 20:35:40,172 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-26 20:35:40,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-26 20:35:40,172 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-26 20:35:40,172 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-26 20:35:40,172 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-26 20:35:40,172 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-26 20:35:40,173 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-26 20:35:40,180 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-26 20:35:40,181 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-26 20:35:40,181 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-26 20:35:40,181 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-26 20:35:40,181 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-26 20:35:40,181 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-26 20:35:40,181 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-26 20:35:40,181 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-26 20:35:40,181 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-26 20:35:40,182 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-26 20:35:40,182 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-26 20:35:40,182 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-26 20:35:40,182 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-26 20:35:40,182 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-26 20:35:40,182 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-26 20:35:40,182 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-26 20:35:40,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-26 20:35:40,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-26 20:35:40,184 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-26 20:35:40,184 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-26 20:35:40,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-26 20:35:40,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-26 20:35:40,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-26 20:35:40,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-26 20:35:40,184 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-26 20:35:40,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-26 20:35:40,185 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-26 20:35:40,186 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-26 20:35:40,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-26 20:35:40,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-26 20:35:40,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-26 20:35:40,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-26 20:35:40,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-26 20:35:40,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-26 20:35:40,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-26 20:35:40,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-26 20:35:40,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-26 20:35:40,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-26 20:35:40,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-26 20:35:40,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-26 20:35:40,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-26 20:35:40,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-26 20:35:40,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-26 20:35:40,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-26 20:35:40,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-26 20:35:40,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-26 20:35:40,188 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-26 20:35:40,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-26 20:35:40,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-26 20:35:40,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-26 20:35:40,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-26 20:35:40,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-26 20:35:40,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-26 20:35:40,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-26 20:35:40,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-26 20:35:40,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-26 20:35:40,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-26 20:35:40,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-26 20:35:40,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-26 20:35:40,190 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-26 20:35:40,190 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-26 20:35:40,190 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_17 [2019-11-26 20:35:40,190 INFO L130 BoogieDeclarations]: Found specification of procedure free_17 [2019-11-26 20:35:40,190 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-26 20:35:40,190 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-26 20:35:40,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-26 20:35:40,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 20:35:40,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-26 20:35:40,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 20:35:40,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-11-26 20:35:40,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-26 20:35:40,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-26 20:35:40,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-26 20:35:40,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-26 20:35:40,913 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 20:35:41,308 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 20:35:41,850 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 20:35:41,850 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-26 20:35:41,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 08:35:41 BoogieIcfgContainer [2019-11-26 20:35:41,852 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 20:35:41,854 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 20:35:41,854 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 20:35:41,857 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 20:35:41,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 08:35:39" (1/3) ... [2019-11-26 20:35:41,858 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a4cbe02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 08:35:41, skipping insertion in model container [2019-11-26 20:35:41,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 08:35:39" (2/3) ... [2019-11-26 20:35:41,859 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a4cbe02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 08:35:41, skipping insertion in model container [2019-11-26 20:35:41,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 08:35:41" (3/3) ... [2019-11-26 20:35:41,861 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test17_1-2.i [2019-11-26 20:35:41,870 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 20:35:41,880 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 90 error locations. [2019-11-26 20:35:41,894 INFO L249 AbstractCegarLoop]: Starting to check reachability of 90 error locations. [2019-11-26 20:35:41,918 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 20:35:41,918 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-26 20:35:41,919 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 20:35:41,919 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 20:35:41,919 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 20:35:41,919 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 20:35:41,919 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 20:35:41,919 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 20:35:41,950 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states. [2019-11-26 20:35:41,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-26 20:35:41,962 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 20:35:41,963 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 20:35:41,965 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 20:35:41,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 20:35:41,971 INFO L82 PathProgramCache]: Analyzing trace with hash -67233649, now seen corresponding path program 1 times [2019-11-26 20:35:41,984 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 20:35:41,985 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1744610865] [2019-11-26 20:35:41,985 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-26 20:35:42,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 20:35:42,188 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-26 20:35:42,199 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 20:35:42,264 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-26 20:35:42,264 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 20:35:42,273 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 20:35:42,273 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-26 20:35:42,273 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-26 20:35:42,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 20:35:42,302 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 20:35:42,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 20:35:42,354 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1744610865] [2019-11-26 20:35:42,355 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 20:35:42,355 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-26 20:35:42,356 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445572021] [2019-11-26 20:35:42,361 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-26 20:35:42,361 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 20:35:42,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-26 20:35:42,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-26 20:35:42,379 INFO L87 Difference]: Start difference. First operand 147 states. Second operand 5 states. [2019-11-26 20:35:42,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 20:35:42,634 INFO L93 Difference]: Finished difference Result 87 states and 98 transitions. [2019-11-26 20:35:42,635 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-26 20:35:42,637 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-11-26 20:35:42,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 20:35:42,652 INFO L225 Difference]: With dead ends: 87 [2019-11-26 20:35:42,653 INFO L226 Difference]: Without dead ends: 84 [2019-11-26 20:35:42,665 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-26 20:35:42,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2019-11-26 20:35:42,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 80. [2019-11-26 20:35:42,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2019-11-26 20:35:42,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 91 transitions. [2019-11-26 20:35:42,742 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 91 transitions. Word has length 16 [2019-11-26 20:35:42,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 20:35:42,743 INFO L462 AbstractCegarLoop]: Abstraction has 80 states and 91 transitions. [2019-11-26 20:35:42,744 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-26 20:35:42,744 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 91 transitions. [2019-11-26 20:35:42,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-26 20:35:42,747 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 20:35:42,747 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 20:35:42,966 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-26 20:35:42,968 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 20:35:42,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 20:35:42,969 INFO L82 PathProgramCache]: Analyzing trace with hash -67233648, now seen corresponding path program 1 times [2019-11-26 20:35:42,970 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 20:35:42,970 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1516068303] [2019-11-26 20:35:42,971 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-26 20:35:43,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 20:35:43,109 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-26 20:35:43,112 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 20:35:43,138 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-26 20:35:43,138 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 20:35:43,147 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 20:35:43,147 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-26 20:35:43,148 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-26 20:35:43,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 20:35:43,223 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 20:35:44,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 20:35:44,023 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1516068303] [2019-11-26 20:35:44,023 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 20:35:44,023 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 13 [2019-11-26 20:35:44,024 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402824692] [2019-11-26 20:35:44,025 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-26 20:35:44,026 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 20:35:44,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-26 20:35:44,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2019-11-26 20:35:44,027 INFO L87 Difference]: Start difference. First operand 80 states and 91 transitions. Second operand 14 states. [2019-11-26 20:35:45,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 20:35:45,493 INFO L93 Difference]: Finished difference Result 95 states and 111 transitions. [2019-11-26 20:35:45,494 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-26 20:35:45,494 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 16 [2019-11-26 20:35:45,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 20:35:45,497 INFO L225 Difference]: With dead ends: 95 [2019-11-26 20:35:45,497 INFO L226 Difference]: Without dead ends: 95 [2019-11-26 20:35:45,498 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 17 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=88, Invalid=374, Unknown=0, NotChecked=0, Total=462 [2019-11-26 20:35:45,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2019-11-26 20:35:45,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 85. [2019-11-26 20:35:45,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2019-11-26 20:35:45,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 97 transitions. [2019-11-26 20:35:45,509 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 97 transitions. Word has length 16 [2019-11-26 20:35:45,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 20:35:45,509 INFO L462 AbstractCegarLoop]: Abstraction has 85 states and 97 transitions. [2019-11-26 20:35:45,510 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-26 20:35:45,510 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 97 transitions. [2019-11-26 20:35:45,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-26 20:35:45,510 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 20:35:45,511 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 20:35:45,716 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-26 20:35:45,718 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 20:35:45,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 20:35:45,719 INFO L82 PathProgramCache]: Analyzing trace with hash 820270032, now seen corresponding path program 1 times [2019-11-26 20:35:45,720 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 20:35:45,720 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2135555685] [2019-11-26 20:35:45,721 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-11-26 20:35:45,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 20:35:45,844 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-26 20:35:45,852 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 20:35:45,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 20:35:45,895 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 20:35:45,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 20:35:45,934 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2135555685] [2019-11-26 20:35:45,934 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 20:35:45,934 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-26 20:35:45,934 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396947461] [2019-11-26 20:35:45,935 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-26 20:35:45,935 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 20:35:45,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-26 20:35:45,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-26 20:35:45,936 INFO L87 Difference]: Start difference. First operand 85 states and 97 transitions. Second operand 5 states. [2019-11-26 20:35:45,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 20:35:45,980 INFO L93 Difference]: Finished difference Result 84 states and 93 transitions. [2019-11-26 20:35:45,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-26 20:35:45,982 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-11-26 20:35:45,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 20:35:45,983 INFO L225 Difference]: With dead ends: 84 [2019-11-26 20:35:45,983 INFO L226 Difference]: Without dead ends: 84 [2019-11-26 20:35:45,984 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-26 20:35:45,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2019-11-26 20:35:45,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 82. [2019-11-26 20:35:45,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2019-11-26 20:35:45,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 91 transitions. [2019-11-26 20:35:45,993 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 91 transitions. Word has length 16 [2019-11-26 20:35:45,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 20:35:45,993 INFO L462 AbstractCegarLoop]: Abstraction has 82 states and 91 transitions. [2019-11-26 20:35:45,993 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-26 20:35:45,993 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 91 transitions. [2019-11-26 20:35:45,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-26 20:35:45,994 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 20:35:45,994 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 20:35:46,201 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-26 20:35:46,202 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 20:35:46,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 20:35:46,204 INFO L82 PathProgramCache]: Analyzing trace with hash -2083416263, now seen corresponding path program 1 times [2019-11-26 20:35:46,205 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 20:35:46,205 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [914022957] [2019-11-26 20:35:46,205 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-11-26 20:35:46,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 20:35:46,328 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-26 20:35:46,329 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 20:35:46,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 20:35:46,351 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 20:35:46,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 20:35:46,440 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [914022957] [2019-11-26 20:35:46,440 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 20:35:46,440 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-26 20:35:46,441 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136556687] [2019-11-26 20:35:46,441 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-26 20:35:46,441 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 20:35:46,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-26 20:35:46,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-26 20:35:46,442 INFO L87 Difference]: Start difference. First operand 82 states and 91 transitions. Second operand 5 states. [2019-11-26 20:35:46,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 20:35:46,512 INFO L93 Difference]: Finished difference Result 84 states and 92 transitions. [2019-11-26 20:35:46,515 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-26 20:35:46,515 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2019-11-26 20:35:46,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 20:35:46,516 INFO L225 Difference]: With dead ends: 84 [2019-11-26 20:35:46,517 INFO L226 Difference]: Without dead ends: 84 [2019-11-26 20:35:46,517 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-26 20:35:46,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2019-11-26 20:35:46,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 82. [2019-11-26 20:35:46,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2019-11-26 20:35:46,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 90 transitions. [2019-11-26 20:35:46,530 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 90 transitions. Word has length 17 [2019-11-26 20:35:46,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 20:35:46,535 INFO L462 AbstractCegarLoop]: Abstraction has 82 states and 90 transitions. [2019-11-26 20:35:46,535 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-26 20:35:46,535 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 90 transitions. [2019-11-26 20:35:46,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-26 20:35:46,536 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 20:35:46,536 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 20:35:46,756 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-26 20:35:46,757 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 20:35:46,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 20:35:46,758 INFO L82 PathProgramCache]: Analyzing trace with hash -340605928, now seen corresponding path program 1 times [2019-11-26 20:35:46,761 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 20:35:46,761 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1776351360] [2019-11-26 20:35:46,761 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-11-26 20:35:46,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 20:35:46,905 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-26 20:35:46,908 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 20:35:46,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 20:35:46,918 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 20:35:46,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 20:35:46,971 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1776351360] [2019-11-26 20:35:46,972 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 20:35:46,972 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-26 20:35:46,972 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849605340] [2019-11-26 20:35:46,972 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 20:35:46,972 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 20:35:46,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 20:35:46,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 20:35:46,973 INFO L87 Difference]: Start difference. First operand 82 states and 90 transitions. Second operand 3 states. [2019-11-26 20:35:47,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 20:35:47,141 INFO L93 Difference]: Finished difference Result 120 states and 133 transitions. [2019-11-26 20:35:47,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 20:35:47,142 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-11-26 20:35:47,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 20:35:47,143 INFO L225 Difference]: With dead ends: 120 [2019-11-26 20:35:47,143 INFO L226 Difference]: Without dead ends: 115 [2019-11-26 20:35:47,147 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 20:35:47,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2019-11-26 20:35:47,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 80. [2019-11-26 20:35:47,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2019-11-26 20:35:47,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 87 transitions. [2019-11-26 20:35:47,162 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 87 transitions. Word has length 17 [2019-11-26 20:35:47,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 20:35:47,162 INFO L462 AbstractCegarLoop]: Abstraction has 80 states and 87 transitions. [2019-11-26 20:35:47,162 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 20:35:47,162 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 87 transitions. [2019-11-26 20:35:47,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-26 20:35:47,163 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 20:35:47,163 INFO L410 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 20:35:47,371 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-11-26 20:35:47,372 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 20:35:47,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 20:35:47,373 INFO L82 PathProgramCache]: Analyzing trace with hash -1976385840, now seen corresponding path program 1 times [2019-11-26 20:35:47,374 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 20:35:47,374 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1278591413] [2019-11-26 20:35:47,374 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2019-11-26 20:35:47,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 20:35:47,510 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-26 20:35:47,511 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 20:35:47,549 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-26 20:35:47,549 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 20:35:47,556 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 20:35:47,556 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-26 20:35:47,557 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-26 20:35:47,681 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 20:35:47,681 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 20:35:48,693 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 20:35:48,694 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1278591413] [2019-11-26 20:35:48,694 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-26 20:35:48,694 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2019-11-26 20:35:48,695 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553967514] [2019-11-26 20:35:48,695 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-11-26 20:35:48,695 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 20:35:48,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-11-26 20:35:48,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2019-11-26 20:35:48,696 INFO L87 Difference]: Start difference. First operand 80 states and 87 transitions. Second operand 18 states. [2019-11-26 20:35:50,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 20:35:50,759 INFO L93 Difference]: Finished difference Result 97 states and 110 transitions. [2019-11-26 20:35:50,759 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-26 20:35:50,760 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 22 [2019-11-26 20:35:50,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 20:35:50,761 INFO L225 Difference]: With dead ends: 97 [2019-11-26 20:35:50,761 INFO L226 Difference]: Without dead ends: 97 [2019-11-26 20:35:50,762 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 25 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=155, Invalid=657, Unknown=0, NotChecked=0, Total=812 [2019-11-26 20:35:50,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2019-11-26 20:35:50,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 92. [2019-11-26 20:35:50,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2019-11-26 20:35:50,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 101 transitions. [2019-11-26 20:35:50,770 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 101 transitions. Word has length 22 [2019-11-26 20:35:50,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 20:35:50,771 INFO L462 AbstractCegarLoop]: Abstraction has 92 states and 101 transitions. [2019-11-26 20:35:50,771 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-11-26 20:35:50,771 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 101 transitions. [2019-11-26 20:35:50,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-26 20:35:50,772 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 20:35:50,773 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 20:35:50,982 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-11-26 20:35:50,983 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 20:35:50,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 20:35:50,984 INFO L82 PathProgramCache]: Analyzing trace with hash -1887639459, now seen corresponding path program 1 times [2019-11-26 20:35:50,984 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 20:35:50,985 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [555037212] [2019-11-26 20:35:50,985 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2019-11-26 20:35:51,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 20:35:51,129 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-26 20:35:51,131 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 20:35:51,191 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 20:35:51,191 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 20:35:51,313 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 20:35:51,313 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [555037212] [2019-11-26 20:35:51,313 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-26 20:35:51,313 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2019-11-26 20:35:51,313 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227332699] [2019-11-26 20:35:51,314 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-26 20:35:51,314 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 20:35:51,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-26 20:35:51,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2019-11-26 20:35:51,315 INFO L87 Difference]: Start difference. First operand 92 states and 101 transitions. Second operand 12 states. [2019-11-26 20:35:51,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 20:35:51,676 INFO L93 Difference]: Finished difference Result 98 states and 104 transitions. [2019-11-26 20:35:51,677 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-26 20:35:51,677 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 35 [2019-11-26 20:35:51,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 20:35:51,678 INFO L225 Difference]: With dead ends: 98 [2019-11-26 20:35:51,678 INFO L226 Difference]: Without dead ends: 98 [2019-11-26 20:35:51,678 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2019-11-26 20:35:51,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2019-11-26 20:35:51,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 97. [2019-11-26 20:35:51,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2019-11-26 20:35:51,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 104 transitions. [2019-11-26 20:35:51,690 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 104 transitions. Word has length 35 [2019-11-26 20:35:51,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 20:35:51,690 INFO L462 AbstractCegarLoop]: Abstraction has 97 states and 104 transitions. [2019-11-26 20:35:51,690 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-26 20:35:51,690 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 104 transitions. [2019-11-26 20:35:51,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-26 20:35:51,691 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 20:35:51,691 INFO L410 BasicCegarLoop]: trace histogram [7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 20:35:51,896 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-11-26 20:35:51,897 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 20:35:51,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 20:35:51,898 INFO L82 PathProgramCache]: Analyzing trace with hash -1668351152, now seen corresponding path program 2 times [2019-11-26 20:35:51,899 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 20:35:51,900 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [414288183] [2019-11-26 20:35:51,900 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2019-11-26 20:35:52,048 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-26 20:35:52,049 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-26 20:35:52,056 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 20 conjunts are in the unsatisfiable core [2019-11-26 20:35:52,058 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 20:35:52,078 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-26 20:35:52,078 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 20:35:52,083 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 20:35:52,083 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-26 20:35:52,083 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-26 20:35:52,411 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 20:35:52,411 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 20:35:54,083 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 20:35:54,675 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 20:35:54,676 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [414288183] [2019-11-26 20:35:54,676 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-26 20:35:54,676 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 27 [2019-11-26 20:35:54,676 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958074027] [2019-11-26 20:35:54,677 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2019-11-26 20:35:54,677 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 20:35:54,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2019-11-26 20:35:54,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=602, Unknown=0, NotChecked=0, Total=756 [2019-11-26 20:35:54,678 INFO L87 Difference]: Start difference. First operand 97 states and 104 transitions. Second operand 28 states. [2019-11-26 20:35:56,235 WARN L192 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 28 [2019-11-26 20:35:56,792 WARN L192 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 48 [2019-11-26 20:35:57,362 WARN L192 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 48 [2019-11-26 20:35:57,703 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 28 [2019-11-26 20:35:58,350 WARN L192 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 48 [2019-11-26 20:35:58,708 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 28 [2019-11-26 20:35:59,717 WARN L192 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 48 [2019-11-26 20:36:00,237 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 28 [2019-11-26 20:36:00,662 WARN L192 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2019-11-26 20:36:00,989 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 28 [2019-11-26 20:36:01,471 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2019-11-26 20:36:01,806 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 28 [2019-11-26 20:36:03,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 20:36:03,101 INFO L93 Difference]: Finished difference Result 118 states and 131 transitions. [2019-11-26 20:36:03,105 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2019-11-26 20:36:03,105 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 34 [2019-11-26 20:36:03,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 20:36:03,107 INFO L225 Difference]: With dead ends: 118 [2019-11-26 20:36:03,108 INFO L226 Difference]: Without dead ends: 118 [2019-11-26 20:36:03,109 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 39 SyntacticMatches, 2 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 398 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=487, Invalid=1493, Unknown=0, NotChecked=0, Total=1980 [2019-11-26 20:36:03,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2019-11-26 20:36:03,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 116. [2019-11-26 20:36:03,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2019-11-26 20:36:03,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 128 transitions. [2019-11-26 20:36:03,116 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 128 transitions. Word has length 34 [2019-11-26 20:36:03,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 20:36:03,117 INFO L462 AbstractCegarLoop]: Abstraction has 116 states and 128 transitions. [2019-11-26 20:36:03,117 INFO L463 AbstractCegarLoop]: Interpolant automaton has 28 states. [2019-11-26 20:36:03,117 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 128 transitions. [2019-11-26 20:36:03,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-26 20:36:03,119 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 20:36:03,119 INFO L410 BasicCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 20:36:03,331 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-11-26 20:36:03,331 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 20:36:03,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 20:36:03,332 INFO L82 PathProgramCache]: Analyzing trace with hash 355937783, now seen corresponding path program 2 times [2019-11-26 20:36:03,332 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 20:36:03,332 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [190573813] [2019-11-26 20:36:03,332 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2019-11-26 20:36:03,457 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-11-26 20:36:03,457 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-26 20:36:03,460 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-26 20:36:03,462 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 20:36:03,499 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2019-11-26 20:36:03,500 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 20:36:03,572 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2019-11-26 20:36:03,572 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [190573813] [2019-11-26 20:36:03,572 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 20:36:03,572 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2019-11-26 20:36:03,572 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299718844] [2019-11-26 20:36:03,573 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-26 20:36:03,573 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 20:36:03,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-26 20:36:03,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-26 20:36:03,574 INFO L87 Difference]: Start difference. First operand 116 states and 128 transitions. Second operand 7 states. [2019-11-26 20:36:03,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 20:36:03,688 INFO L93 Difference]: Finished difference Result 147 states and 163 transitions. [2019-11-26 20:36:03,689 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-26 20:36:03,690 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 50 [2019-11-26 20:36:03,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 20:36:03,691 INFO L225 Difference]: With dead ends: 147 [2019-11-26 20:36:03,691 INFO L226 Difference]: Without dead ends: 144 [2019-11-26 20:36:03,692 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-26 20:36:03,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2019-11-26 20:36:03,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 117. [2019-11-26 20:36:03,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2019-11-26 20:36:03,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 129 transitions. [2019-11-26 20:36:03,707 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 129 transitions. Word has length 50 [2019-11-26 20:36:03,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 20:36:03,710 INFO L462 AbstractCegarLoop]: Abstraction has 117 states and 129 transitions. [2019-11-26 20:36:03,711 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-26 20:36:03,712 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 129 transitions. [2019-11-26 20:36:03,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-26 20:36:03,715 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 20:36:03,716 INFO L410 BasicCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 20:36:03,916 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2019-11-26 20:36:03,917 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 20:36:03,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 20:36:03,917 INFO L82 PathProgramCache]: Analyzing trace with hash 1622715602, now seen corresponding path program 1 times [2019-11-26 20:36:03,918 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 20:36:03,919 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [340917497] [2019-11-26 20:36:03,919 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2019-11-26 20:36:04,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 20:36:04,081 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-26 20:36:04,083 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 20:36:04,215 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 4 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 20:36:04,216 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 20:36:04,623 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-26 20:36:04,623 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [340917497] [2019-11-26 20:36:04,623 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-26 20:36:04,623 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2019-11-26 20:36:04,624 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596369073] [2019-11-26 20:36:04,624 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-11-26 20:36:04,625 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 20:36:04,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-11-26 20:36:04,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=349, Unknown=0, NotChecked=0, Total=462 [2019-11-26 20:36:04,625 INFO L87 Difference]: Start difference. First operand 117 states and 129 transitions. Second operand 22 states. [2019-11-26 20:36:05,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 20:36:05,191 INFO L93 Difference]: Finished difference Result 117 states and 127 transitions. [2019-11-26 20:36:05,193 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-26 20:36:05,193 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 50 [2019-11-26 20:36:05,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 20:36:05,194 INFO L225 Difference]: With dead ends: 117 [2019-11-26 20:36:05,194 INFO L226 Difference]: Without dead ends: 117 [2019-11-26 20:36:05,195 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=127, Invalid=379, Unknown=0, NotChecked=0, Total=506 [2019-11-26 20:36:05,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2019-11-26 20:36:05,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2019-11-26 20:36:05,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2019-11-26 20:36:05,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 127 transitions. [2019-11-26 20:36:05,201 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 127 transitions. Word has length 50 [2019-11-26 20:36:05,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 20:36:05,201 INFO L462 AbstractCegarLoop]: Abstraction has 117 states and 127 transitions. [2019-11-26 20:36:05,201 INFO L463 AbstractCegarLoop]: Interpolant automaton has 22 states. [2019-11-26 20:36:05,202 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 127 transitions. [2019-11-26 20:36:05,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-26 20:36:05,203 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 20:36:05,203 INFO L410 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 20:36:05,415 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2019-11-26 20:36:05,418 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 20:36:05,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 20:36:05,418 INFO L82 PathProgramCache]: Analyzing trace with hash -1535917294, now seen corresponding path program 2 times [2019-11-26 20:36:05,419 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 20:36:05,420 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [153497157] [2019-11-26 20:36:05,420 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2019-11-26 20:36:05,604 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-26 20:36:05,605 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-26 20:36:05,616 INFO L255 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-26 20:36:05,618 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 20:36:05,622 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-26 20:36:05,623 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 20:36:05,627 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 20:36:05,627 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-26 20:36:05,628 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-26 20:36:05,725 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 20:36:05,725 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 39 [2019-11-26 20:36:05,726 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 20:36:05,746 INFO L588 ElimStorePlain]: treesize reduction 14, result has 51.7 percent of original size [2019-11-26 20:36:05,747 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-26 20:36:05,748 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:15 [2019-11-26 20:36:05,774 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2019-11-26 20:36:05,774 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 20:36:10,224 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2019-11-26 20:36:10,225 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [153497157] [2019-11-26 20:36:10,225 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-26 20:36:10,225 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2019-11-26 20:36:10,226 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816761906] [2019-11-26 20:36:10,226 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-11-26 20:36:10,226 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 20:36:10,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-11-26 20:36:10,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=229, Unknown=1, NotChecked=0, Total=272 [2019-11-26 20:36:10,227 INFO L87 Difference]: Start difference. First operand 117 states and 127 transitions. Second operand 17 states. [2019-11-26 20:36:28,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 20:36:28,619 INFO L93 Difference]: Finished difference Result 216 states and 247 transitions. [2019-11-26 20:36:28,620 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-26 20:36:28,620 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 56 [2019-11-26 20:36:28,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 20:36:28,622 INFO L225 Difference]: With dead ends: 216 [2019-11-26 20:36:28,622 INFO L226 Difference]: Without dead ends: 216 [2019-11-26 20:36:28,623 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=105, Invalid=494, Unknown=1, NotChecked=0, Total=600 [2019-11-26 20:36:28,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2019-11-26 20:36:28,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 147. [2019-11-26 20:36:28,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2019-11-26 20:36:28,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 178 transitions. [2019-11-26 20:36:28,632 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 178 transitions. Word has length 56 [2019-11-26 20:36:28,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 20:36:28,632 INFO L462 AbstractCegarLoop]: Abstraction has 147 states and 178 transitions. [2019-11-26 20:36:28,632 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-11-26 20:36:28,633 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 178 transitions. [2019-11-26 20:36:28,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-26 20:36:28,634 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 20:36:28,634 INFO L410 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 20:36:28,843 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2019-11-26 20:36:28,844 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 20:36:28,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 20:36:28,845 INFO L82 PathProgramCache]: Analyzing trace with hash -1535917293, now seen corresponding path program 1 times [2019-11-26 20:36:28,846 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 20:36:28,851 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [810714260] [2019-11-26 20:36:28,851 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 13 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with mathsat -unsat_core_generation=3 [2019-11-26 20:36:29,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 20:36:29,084 INFO L255 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 28 conjunts are in the unsatisfiable core [2019-11-26 20:36:29,087 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 20:36:29,115 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-26 20:36:29,116 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 20:36:29,124 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 20:36:29,128 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-26 20:36:29,128 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-26 20:36:29,135 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 20:36:29,135 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-26 20:36:29,136 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-11-26 20:36:31,423 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-26 20:36:31,425 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-11-26 20:36:31,426 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 20:36:31,443 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 20:36:31,454 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 20:36:31,454 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2019-11-26 20:36:31,455 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-26 20:36:31,471 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 20:36:31,472 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-26 20:36:31,472 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:28, output treesize:12 [2019-11-26 20:36:31,510 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2019-11-26 20:36:31,510 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 20:36:31,729 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 20:36:31,985 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 20:36:31,985 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 20:36:31,986 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 20:36:35,988 WARN L192 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 38 DAG size of output: 32 [2019-11-26 20:36:35,993 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 20:36:37,548 INFO L404 ElimStorePlain]: Different costs {1=[|v_#valid_262|], 2=[|v_#length_220|]} [2019-11-26 20:36:37,557 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-11-26 20:36:37,557 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 20:36:37,569 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 20:36:37,571 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-26 20:36:37,572 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-26 20:36:37,582 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 20:36:37,583 INFO L508 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-26 20:36:37,583 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:23, output treesize:5 [2019-11-26 20:36:38,249 INFO L404 ElimStorePlain]: Different costs {1=[|#valid|], 2=[|#length|]} [2019-11-26 20:36:38,260 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-11-26 20:36:38,260 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 20:36:38,280 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 20:36:38,289 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-26 20:36:38,290 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-26 20:36:38,312 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 20:36:38,314 INFO L508 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-26 20:36:38,314 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:33, output treesize:16 [2019-11-26 20:36:38,478 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2019-11-26 20:36:38,479 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [810714260] [2019-11-26 20:36:38,479 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-26 20:36:38,479 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2019-11-26 20:36:38,479 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216419] [2019-11-26 20:36:38,480 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-11-26 20:36:38,480 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 20:36:38,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-11-26 20:36:38,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=408, Unknown=2, NotChecked=0, Total=462 [2019-11-26 20:36:38,481 INFO L87 Difference]: Start difference. First operand 147 states and 178 transitions. Second operand 22 states. [2019-11-26 20:36:43,815 WARN L192 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 12 [2019-11-26 20:37:04,338 WARN L192 SmtUtils]: Spent 5.81 s on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-11-26 20:37:11,341 WARN L192 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 56 [2019-11-26 20:37:43,563 WARN L192 SmtUtils]: Spent 4.86 s on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-11-26 20:38:05,267 WARN L192 SmtUtils]: Spent 6.28 s on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2019-11-26 20:38:33,688 WARN L192 SmtUtils]: Spent 4.07 s on a formula simplification. DAG size of input: 43 DAG size of output: 16 [2019-11-26 20:39:13,901 WARN L192 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-11-26 20:39:29,044 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 24 [2019-11-26 20:39:53,158 WARN L192 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 45 DAG size of output: 18 [2019-11-26 20:40:12,821 WARN L192 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2019-11-26 20:40:20,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 20:40:20,762 INFO L93 Difference]: Finished difference Result 290 states and 371 transitions. [2019-11-26 20:40:20,763 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2019-11-26 20:40:20,763 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 56 [2019-11-26 20:40:20,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 20:40:20,765 INFO L225 Difference]: With dead ends: 290 [2019-11-26 20:40:20,766 INFO L226 Difference]: Without dead ends: 290 [2019-11-26 20:40:20,767 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 89 SyntacticMatches, 6 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 247 ImplicationChecksByTransitivity, 62.5s TimeCoverageRelationStatistics Valid=212, Invalid=1417, Unknown=11, NotChecked=0, Total=1640 [2019-11-26 20:40:20,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2019-11-26 20:40:20,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 178. [2019-11-26 20:40:20,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2019-11-26 20:40:20,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 225 transitions. [2019-11-26 20:40:20,780 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 225 transitions. Word has length 56 [2019-11-26 20:40:20,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 20:40:20,780 INFO L462 AbstractCegarLoop]: Abstraction has 178 states and 225 transitions. [2019-11-26 20:40:20,780 INFO L463 AbstractCegarLoop]: Interpolant automaton has 22 states. [2019-11-26 20:40:20,780 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 225 transitions. [2019-11-26 20:40:20,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-26 20:40:20,782 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 20:40:20,782 INFO L410 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 20:40:20,985 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 mathsat -unsat_core_generation=3 [2019-11-26 20:40:20,986 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 20:40:20,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 20:40:20,987 INFO L82 PathProgramCache]: Analyzing trace with hash 1452186463, now seen corresponding path program 1 times [2019-11-26 20:40:20,987 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 20:40:20,988 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [374213150] [2019-11-26 20:40:20,988 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 14 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with mathsat -unsat_core_generation=3 [2019-11-26 20:40:21,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 20:40:21,182 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-26 20:40:21,184 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 20:40:21,202 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2019-11-26 20:40:21,202 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 20:40:21,264 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2019-11-26 20:40:21,264 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [374213150] [2019-11-26 20:40:21,264 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 20:40:21,264 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-26 20:40:21,265 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622138325] [2019-11-26 20:40:21,265 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-26 20:40:21,265 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 20:40:21,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-26 20:40:21,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-26 20:40:21,266 INFO L87 Difference]: Start difference. First operand 178 states and 225 transitions. Second operand 5 states. [2019-11-26 20:40:21,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 20:40:21,313 INFO L93 Difference]: Finished difference Result 217 states and 275 transitions. [2019-11-26 20:40:21,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-26 20:40:21,317 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2019-11-26 20:40:21,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 20:40:21,319 INFO L225 Difference]: With dead ends: 217 [2019-11-26 20:40:21,319 INFO L226 Difference]: Without dead ends: 217 [2019-11-26 20:40:21,319 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-26 20:40:21,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2019-11-26 20:40:21,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 184. [2019-11-26 20:40:21,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2019-11-26 20:40:21,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 228 transitions. [2019-11-26 20:40:21,328 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 228 transitions. Word has length 58 [2019-11-26 20:40:21,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 20:40:21,328 INFO L462 AbstractCegarLoop]: Abstraction has 184 states and 228 transitions. [2019-11-26 20:40:21,328 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-26 20:40:21,329 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 228 transitions. [2019-11-26 20:40:21,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-26 20:40:21,331 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 20:40:21,332 INFO L410 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 20:40:21,536 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 mathsat -unsat_core_generation=3 [2019-11-26 20:40:21,537 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 20:40:21,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 20:40:21,537 INFO L82 PathProgramCache]: Analyzing trace with hash -1099970498, now seen corresponding path program 1 times [2019-11-26 20:40:21,538 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 20:40:21,538 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [823255971] [2019-11-26 20:40:21,538 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 15 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with mathsat -unsat_core_generation=3 [2019-11-26 20:40:21,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 20:40:21,719 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-26 20:40:21,721 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 20:40:21,736 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2019-11-26 20:40:21,736 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 20:40:21,775 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2019-11-26 20:40:21,776 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [823255971] [2019-11-26 20:40:21,776 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 20:40:21,776 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-11-26 20:40:21,776 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790463099] [2019-11-26 20:40:21,777 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-26 20:40:21,777 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 20:40:21,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-26 20:40:21,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-26 20:40:21,777 INFO L87 Difference]: Start difference. First operand 184 states and 228 transitions. Second operand 6 states. [2019-11-26 20:40:21,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 20:40:21,852 INFO L93 Difference]: Finished difference Result 195 states and 239 transitions. [2019-11-26 20:40:21,854 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-26 20:40:21,854 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2019-11-26 20:40:21,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 20:40:21,855 INFO L225 Difference]: With dead ends: 195 [2019-11-26 20:40:21,855 INFO L226 Difference]: Without dead ends: 195 [2019-11-26 20:40:21,856 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-26 20:40:21,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2019-11-26 20:40:21,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 186. [2019-11-26 20:40:21,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2019-11-26 20:40:21,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 230 transitions. [2019-11-26 20:40:21,863 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 230 transitions. Word has length 58 [2019-11-26 20:40:21,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 20:40:21,863 INFO L462 AbstractCegarLoop]: Abstraction has 186 states and 230 transitions. [2019-11-26 20:40:21,863 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-26 20:40:21,864 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 230 transitions. [2019-11-26 20:40:21,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-26 20:40:21,865 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 20:40:21,865 INFO L410 BasicCegarLoop]: trace histogram [15, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 20:40:22,073 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 mathsat -unsat_core_generation=3 [2019-11-26 20:40:22,074 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 20:40:22,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 20:40:22,074 INFO L82 PathProgramCache]: Analyzing trace with hash 612578384, now seen corresponding path program 3 times [2019-11-26 20:40:22,075 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 20:40:22,075 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [745590519] [2019-11-26 20:40:22,076 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 16 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with mathsat -unsat_core_generation=3 [2019-11-26 20:40:22,501 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2019-11-26 20:40:22,501 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-26 20:40:22,513 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 27 conjunts are in the unsatisfiable core [2019-11-26 20:40:22,521 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 20:40:22,538 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-26 20:40:22,538 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 20:40:22,548 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 20:40:22,548 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-26 20:40:22,549 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-26 20:40:23,016 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 41 proven. 260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 20:40:23,016 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 20:40:28,894 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 41 proven. 260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 20:40:28,895 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [745590519] [2019-11-26 20:40:28,895 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-26 20:40:28,895 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 40 [2019-11-26 20:40:28,895 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397478252] [2019-11-26 20:40:28,895 INFO L442 AbstractCegarLoop]: Interpolant automaton has 40 states [2019-11-26 20:40:28,895 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-26 20:40:28,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2019-11-26 20:40:28,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=251, Invalid=1309, Unknown=0, NotChecked=0, Total=1560 [2019-11-26 20:40:28,897 INFO L87 Difference]: Start difference. First operand 186 states and 230 transitions. Second operand 40 states. [2019-11-26 20:40:33,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 20:40:33,171 INFO L93 Difference]: Finished difference Result 174 states and 214 transitions. [2019-11-26 20:40:33,173 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-11-26 20:40:33,174 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 58 [2019-11-26 20:40:33,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 20:40:33,175 INFO L225 Difference]: With dead ends: 174 [2019-11-26 20:40:33,175 INFO L226 Difference]: Without dead ends: 174 [2019-11-26 20:40:33,176 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 76 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 510 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=468, Invalid=2612, Unknown=0, NotChecked=0, Total=3080 [2019-11-26 20:40:33,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2019-11-26 20:40:33,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 172. [2019-11-26 20:40:33,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2019-11-26 20:40:33,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 211 transitions. [2019-11-26 20:40:33,183 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 211 transitions. Word has length 58 [2019-11-26 20:40:33,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 20:40:33,184 INFO L462 AbstractCegarLoop]: Abstraction has 172 states and 211 transitions. [2019-11-26 20:40:33,184 INFO L463 AbstractCegarLoop]: Interpolant automaton has 40 states. [2019-11-26 20:40:33,184 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 211 transitions. [2019-11-26 20:40:33,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-26 20:40:33,185 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 20:40:33,185 INFO L410 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 20:40:33,386 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 mathsat -unsat_core_generation=3 [2019-11-26 20:40:33,387 INFO L410 AbstractCegarLoop]: === Iteration 16 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-26 20:40:33,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 20:40:33,387 INFO L82 PathProgramCache]: Analyzing trace with hash -1452868472, now seen corresponding path program 1 times [2019-11-26 20:40:33,388 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-26 20:40:33,388 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [804189856] [2019-11-26 20:40:33,389 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 17 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with mathsat -unsat_core_generation=3 [2019-11-26 20:40:33,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 20:40:33,593 INFO L255 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-26 20:40:33,595 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 20:40:33,601 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-26 20:40:33,601 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 20:40:33,604 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 20:40:33,604 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-26 20:40:33,604 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-26 20:40:33,663 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2019-11-26 20:40:33,664 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 20:40:33,962 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 mathsat -unsat_core_generation=3 [2019-11-26 20:40:33,963 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Alternating quantifiers not yet supported at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:283) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:264) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:565) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:478) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:102) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:246) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:419) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:291) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:334) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:177) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:139) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-26 20:40:33,970 INFO L168 Benchmark]: Toolchain (without parser) took 294909.69 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 286.3 MB). Free memory was 956.3 MB in the beginning and 1.2 GB in the end (delta: -282.3 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. [2019-11-26 20:40:33,971 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 20:40:33,971 INFO L168 Benchmark]: CACSL2BoogieTranslator took 893.46 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 86.0 MB). Free memory was 951.0 MB in the beginning and 1.0 GB in the end (delta: -87.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2019-11-26 20:40:33,972 INFO L168 Benchmark]: Boogie Preprocessor took 110.32 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 20:40:33,972 INFO L168 Benchmark]: RCFGBuilder took 1785.15 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 916.6 MB in the end (delta: 122.2 MB). Peak memory consumption was 122.2 MB. Max. memory is 11.5 GB. [2019-11-26 20:40:33,973 INFO L168 Benchmark]: TraceAbstraction took 292115.15 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 200.3 MB). Free memory was 916.6 MB in the beginning and 1.2 GB in the end (delta: -322.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 20:40:33,975 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 893.46 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 86.0 MB). Free memory was 951.0 MB in the beginning and 1.0 GB in the end (delta: -87.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 110.32 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1785.15 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 916.6 MB in the end (delta: 122.2 MB). Peak memory consumption was 122.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 292115.15 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 200.3 MB). Free memory was 916.6 MB in the beginning and 1.2 GB in the end (delta: -322.0 MB). There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Alternating quantifiers not yet supported: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:283) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...