./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test16.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6692e4fc 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_test16.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f9e4b987fddd5be88447132dcb5136b5a374e8f5 ............................................................................................................................ 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_test16.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f9e4b987fddd5be88447132dcb5136b5a374e8f5 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-6692e4f [2019-11-25 17:45:01,900 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 17:45:01,904 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 17:45:01,923 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 17:45:01,924 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 17:45:01,926 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 17:45:01,928 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 17:45:01,938 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 17:45:01,943 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 17:45:01,947 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 17:45:01,948 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 17:45:01,950 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 17:45:01,950 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 17:45:01,951 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 17:45:01,952 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 17:45:01,954 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 17:45:01,955 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 17:45:01,956 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 17:45:01,957 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 17:45:01,960 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 17:45:01,961 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 17:45:01,962 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 17:45:01,963 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 17:45:01,964 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 17:45:01,967 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 17:45:01,967 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 17:45:01,967 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 17:45:01,969 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 17:45:01,969 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 17:45:01,970 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 17:45:01,971 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 17:45:01,972 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 17:45:01,973 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 17:45:01,974 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 17:45:01,975 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 17:45:01,975 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 17:45:01,976 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 17:45:01,977 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 17:45:01,977 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 17:45:01,978 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 17:45:01,979 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 17:45:01,981 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-25 17:45:02,016 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 17:45:02,016 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 17:45:02,020 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 17:45:02,020 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 17:45:02,020 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 17:45:02,021 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 17:45:02,021 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 17:45:02,021 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 17:45:02,022 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 17:45:02,023 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 17:45:02,023 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 17:45:02,024 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-25 17:45:02,024 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-25 17:45:02,024 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-25 17:45:02,025 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 17:45:02,025 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-25 17:45:02,025 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 17:45:02,026 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 17:45:02,026 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 17:45:02,026 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 17:45:02,027 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 17:45:02,027 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 17:45:02,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 17:45:02,028 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 17:45:02,028 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 17:45:02,029 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 17:45:02,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 17:45:02,029 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f9e4b987fddd5be88447132dcb5136b5a374e8f5 [2019-11-25 17:45:02,343 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 17:45:02,364 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 17:45:02,368 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 17:45:02,370 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 17:45:02,370 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 17:45:02,371 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test16.i [2019-11-25 17:45:02,444 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0e09268e/db07a998150440f9afcdddd1c0ab1db3/FLAG9a269cf27 [2019-11-25 17:45:03,046 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 17:45:03,048 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test16.i [2019-11-25 17:45:03,076 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0e09268e/db07a998150440f9afcdddd1c0ab1db3/FLAG9a269cf27 [2019-11-25 17:45:03,339 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0e09268e/db07a998150440f9afcdddd1c0ab1db3 [2019-11-25 17:45:03,342 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 17:45:03,343 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-25 17:45:03,345 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 17:45:03,345 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 17:45:03,348 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 17:45:03,349 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:45:03" (1/1) ... [2019-11-25 17:45:03,352 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63a6e3ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:45:03, skipping insertion in model container [2019-11-25 17:45:03,353 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:45:03" (1/1) ... [2019-11-25 17:45:03,359 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 17:45:03,419 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 17:45:03,960 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 17:45:03,986 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2019-11-25 17:45:03,987 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@54e21fd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:45:03, skipping insertion in model container [2019-11-25 17:45:03,987 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 17:45:03,988 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-25 17:45:03,991 INFO L168 Benchmark]: Toolchain (without parser) took 646.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -154.8 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2019-11-25 17:45:03,992 INFO L168 Benchmark]: CDTParser took 0.62 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 17:45:03,994 INFO L168 Benchmark]: CACSL2BoogieTranslator took 643.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -160.2 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2019-11-25 17:45:03,998 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62 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 643.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -160.2 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 577]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-6692e4f [2019-11-25 17:45:05,794 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 17:45:05,797 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 17:45:05,809 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 17:45:05,810 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 17:45:05,811 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 17:45:05,812 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 17:45:05,814 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 17:45:05,816 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 17:45:05,817 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 17:45:05,818 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 17:45:05,820 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 17:45:05,820 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 17:45:05,821 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 17:45:05,822 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 17:45:05,823 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 17:45:05,824 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 17:45:05,825 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 17:45:05,827 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 17:45:05,829 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 17:45:05,831 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 17:45:05,832 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 17:45:05,833 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 17:45:05,834 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 17:45:05,836 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 17:45:05,837 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 17:45:05,837 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 17:45:05,838 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 17:45:05,839 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 17:45:05,840 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 17:45:05,840 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 17:45:05,841 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 17:45:05,842 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 17:45:05,843 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 17:45:05,844 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 17:45:05,845 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 17:45:05,845 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 17:45:05,846 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 17:45:05,846 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 17:45:05,847 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 17:45:05,848 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 17:45:05,849 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-25 17:45:05,864 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 17:45:05,865 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 17:45:05,866 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 17:45:05,867 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 17:45:05,867 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 17:45:05,867 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 17:45:05,868 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 17:45:05,868 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 17:45:05,868 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 17:45:05,869 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 17:45:05,869 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 17:45:05,869 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-25 17:45:05,869 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-25 17:45:05,870 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-25 17:45:05,870 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 17:45:05,870 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-25 17:45:05,871 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 17:45:05,871 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 17:45:05,871 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 17:45:05,871 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 17:45:05,872 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 17:45:05,872 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 17:45:05,872 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 17:45:05,873 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 17:45:05,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 17:45:05,873 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 17:45:05,873 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 17:45:05,874 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 17:45:05,874 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 17:45:05,874 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 17:45:05,874 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f9e4b987fddd5be88447132dcb5136b5a374e8f5 [2019-11-25 17:45:06,203 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 17:45:06,216 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 17:45:06,220 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 17:45:06,222 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 17:45:06,222 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 17:45:06,223 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test16.i [2019-11-25 17:45:06,281 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/789ba194c/8aca305f234f42ff91d5b15b053040ca/FLAG3c2b226d0 [2019-11-25 17:45:06,835 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 17:45:06,836 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test16.i [2019-11-25 17:45:06,853 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/789ba194c/8aca305f234f42ff91d5b15b053040ca/FLAG3c2b226d0 [2019-11-25 17:45:07,099 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/789ba194c/8aca305f234f42ff91d5b15b053040ca [2019-11-25 17:45:07,102 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 17:45:07,103 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-25 17:45:07,104 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 17:45:07,105 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 17:45:07,108 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 17:45:07,109 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:45:07" (1/1) ... [2019-11-25 17:45:07,112 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34aa0f63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:45:07, skipping insertion in model container [2019-11-25 17:45:07,113 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:45:07" (1/1) ... [2019-11-25 17:45:07,121 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 17:45:07,176 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 17:45:07,718 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 17:45:07,758 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-25 17:45:07,776 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 17:45:07,846 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 17:45:07,856 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 17:45:07,933 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 17:45:08,023 INFO L208 MainTranslator]: Completed translation [2019-11-25 17:45:08,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:45:08 WrapperNode [2019-11-25 17:45:08,024 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 17:45:08,024 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 17:45:08,025 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 17:45:08,025 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 17:45:08,039 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:45:08" (1/1) ... [2019-11-25 17:45:08,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:45:08" (1/1) ... [2019-11-25 17:45:08,073 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:45:08" (1/1) ... [2019-11-25 17:45:08,074 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:45:08" (1/1) ... [2019-11-25 17:45:08,118 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:45:08" (1/1) ... [2019-11-25 17:45:08,127 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:45:08" (1/1) ... [2019-11-25 17:45:08,136 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:45:08" (1/1) ... [2019-11-25 17:45:08,146 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 17:45:08,154 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 17:45:08,154 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 17:45:08,154 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 17:45:08,156 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:45:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 17:45:08,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-25 17:45:08,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 17:45:08,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-25 17:45:08,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-11-25 17:45:08,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-25 17:45:08,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-25 17:45:08,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-25 17:45:08,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-25 17:45:08,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-25 17:45:08,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-25 17:45:08,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-25 17:45:08,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-25 17:45:08,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-25 17:45:08,221 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-25 17:45:08,221 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-25 17:45:08,222 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-25 17:45:08,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-25 17:45:08,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-25 17:45:08,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-25 17:45:08,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-25 17:45:08,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-25 17:45:08,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-25 17:45:08,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-25 17:45:08,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-25 17:45:08,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-25 17:45:08,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-25 17:45:08,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-25 17:45:08,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-25 17:45:08,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-25 17:45:08,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-25 17:45:08,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-25 17:45:08,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-25 17:45:08,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-25 17:45:08,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-25 17:45:08,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-25 17:45:08,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-25 17:45:08,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-25 17:45:08,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-25 17:45:08,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-25 17:45:08,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-25 17:45:08,228 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-25 17:45:08,229 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-25 17:45:08,230 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_16 [2019-11-25 17:45:08,230 INFO L138 BoogieDeclarations]: Found implementation of procedure free_16 [2019-11-25 17:45:08,230 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-25 17:45:08,230 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-25 17:45:08,230 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-25 17:45:08,231 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-25 17:45:08,231 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-25 17:45:08,231 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-25 17:45:08,232 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-25 17:45:08,232 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-25 17:45:08,232 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-25 17:45:08,233 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-25 17:45:08,233 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-25 17:45:08,233 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-25 17:45:08,233 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-25 17:45:08,233 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-25 17:45:08,234 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-25 17:45:08,234 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-25 17:45:08,234 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-25 17:45:08,234 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-25 17:45:08,234 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-25 17:45:08,235 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-25 17:45:08,236 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-25 17:45:08,236 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-25 17:45:08,236 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-25 17:45:08,237 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-25 17:45:08,237 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-25 17:45:08,237 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-25 17:45:08,237 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-25 17:45:08,238 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-25 17:45:08,238 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-25 17:45:08,238 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-25 17:45:08,238 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-25 17:45:08,238 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-25 17:45:08,238 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-25 17:45:08,238 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-25 17:45:08,239 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-25 17:45:08,239 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-25 17:45:08,239 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-25 17:45:08,239 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-25 17:45:08,239 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-25 17:45:08,240 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-25 17:45:08,240 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-25 17:45:08,240 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-25 17:45:08,240 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-25 17:45:08,240 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-25 17:45:08,240 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-25 17:45:08,240 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-25 17:45:08,241 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-25 17:45:08,241 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-25 17:45:08,241 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-25 17:45:08,241 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-25 17:45:08,241 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-25 17:45:08,241 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-25 17:45:08,241 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-25 17:45:08,241 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-25 17:45:08,241 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-25 17:45:08,242 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-25 17:45:08,242 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-25 17:45:08,242 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-25 17:45:08,242 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-25 17:45:08,242 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-25 17:45:08,243 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-25 17:45:08,243 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-25 17:45:08,243 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-25 17:45:08,243 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-25 17:45:08,243 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-25 17:45:08,244 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-25 17:45:08,244 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-25 17:45:08,244 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-25 17:45:08,244 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-25 17:45:08,245 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-25 17:45:08,245 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-25 17:45:08,245 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-25 17:45:08,245 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-25 17:45:08,245 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-25 17:45:08,246 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-25 17:45:08,246 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-25 17:45:08,246 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-25 17:45:08,246 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-25 17:45:08,246 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-25 17:45:08,247 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-25 17:45:08,247 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-25 17:45:08,247 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-25 17:45:08,247 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-25 17:45:08,247 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-25 17:45:08,248 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-25 17:45:08,248 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-25 17:45:08,248 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-25 17:45:08,248 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-25 17:45:08,248 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-25 17:45:08,249 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-25 17:45:08,249 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-25 17:45:08,249 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-25 17:45:08,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-25 17:45:08,249 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-25 17:45:08,250 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-25 17:45:08,250 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-25 17:45:08,250 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-25 17:45:08,250 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-25 17:45:08,250 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-25 17:45:08,251 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-25 17:45:08,251 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-25 17:45:08,251 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-25 17:45:08,251 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-25 17:45:08,251 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-25 17:45:08,252 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-25 17:45:08,252 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-25 17:45:08,252 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-25 17:45:08,252 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-25 17:45:08,253 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-25 17:45:08,253 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-25 17:45:08,253 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-25 17:45:08,253 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-25 17:45:08,253 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-25 17:45:08,254 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-25 17:45:08,254 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-25 17:45:08,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-25 17:45:08,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-25 17:45:08,254 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-25 17:45:08,255 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-25 17:45:08,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-25 17:45:08,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-25 17:45:08,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-25 17:45:08,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-25 17:45:08,255 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-25 17:45:08,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-25 17:45:08,256 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-25 17:45:08,256 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-25 17:45:08,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-25 17:45:08,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-25 17:45:08,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-25 17:45:08,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-25 17:45:08,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-25 17:45:08,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-25 17:45:08,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-25 17:45:08,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-25 17:45:08,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 17:45:08,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-25 17:45:08,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-25 17:45:08,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-25 17:45:08,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-25 17:45:08,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-25 17:45:08,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-25 17:45:08,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-25 17:45:08,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-25 17:45:08,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-25 17:45:08,260 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-25 17:45:08,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-25 17:45:08,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-25 17:45:08,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-25 17:45:08,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-25 17:45:08,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-25 17:45:08,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-25 17:45:08,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-25 17:45:08,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-25 17:45:08,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-25 17:45:08,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-25 17:45:08,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-25 17:45:08,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-25 17:45:08,262 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-25 17:45:08,263 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-25 17:45:08,263 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_16 [2019-11-25 17:45:08,263 INFO L130 BoogieDeclarations]: Found specification of procedure free_16 [2019-11-25 17:45:08,263 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-25 17:45:08,263 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-25 17:45:08,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-25 17:45:08,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 17:45:08,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-25 17:45:08,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 17:45:08,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-11-25 17:45:08,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-25 17:45:08,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-25 17:45:08,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-25 17:45:08,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-25 17:45:08,971 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-25 17:45:09,371 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-25 17:45:09,746 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 17:45:09,746 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-25 17:45:09,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:45:09 BoogieIcfgContainer [2019-11-25 17:45:09,748 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 17:45:09,749 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 17:45:09,750 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 17:45:09,753 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 17:45:09,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:45:07" (1/3) ... [2019-11-25 17:45:09,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@753ce8d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:45:09, skipping insertion in model container [2019-11-25 17:45:09,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:45:08" (2/3) ... [2019-11-25 17:45:09,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@753ce8d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:45:09, skipping insertion in model container [2019-11-25 17:45:09,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:45:09" (3/3) ... [2019-11-25 17:45:09,758 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test16.i [2019-11-25 17:45:09,768 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 17:45:09,776 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2019-11-25 17:45:09,789 INFO L249 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2019-11-25 17:45:09,810 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 17:45:09,811 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-25 17:45:09,811 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 17:45:09,811 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 17:45:09,811 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 17:45:09,812 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 17:45:09,812 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 17:45:09,812 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 17:45:09,831 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states. [2019-11-25 17:45:09,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-25 17:45:09,842 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 17:45:09,844 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 17:45:09,845 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, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 17:45:09,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 17:45:09,852 INFO L82 PathProgramCache]: Analyzing trace with hash 997159282, now seen corresponding path program 1 times [2019-11-25 17:45:09,865 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 17:45:09,866 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1076382986] [2019-11-25 17:45:09,866 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-25 17:45:10,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 17:45:10,098 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-25 17:45:10,107 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 17:45:10,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 17:45:10,202 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 17:45:10,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 17:45:10,303 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1076382986] [2019-11-25 17:45:10,303 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 17:45:10,303 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 8 [2019-11-25 17:45:10,304 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367542112] [2019-11-25 17:45:10,311 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-25 17:45:10,312 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 17:45:10,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-25 17:45:10,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-25 17:45:10,339 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 8 states. [2019-11-25 17:45:10,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 17:45:10,472 INFO L93 Difference]: Finished difference Result 49 states and 51 transitions. [2019-11-25 17:45:10,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-25 17:45:10,475 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2019-11-25 17:45:10,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 17:45:10,493 INFO L225 Difference]: With dead ends: 49 [2019-11-25 17:45:10,493 INFO L226 Difference]: Without dead ends: 46 [2019-11-25 17:45:10,496 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2019-11-25 17:45:10,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-11-25 17:45:10,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 42. [2019-11-25 17:45:10,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-11-25 17:45:10,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 44 transitions. [2019-11-25 17:45:10,567 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 44 transitions. Word has length 17 [2019-11-25 17:45:10,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 17:45:10,568 INFO L462 AbstractCegarLoop]: Abstraction has 42 states and 44 transitions. [2019-11-25 17:45:10,568 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-25 17:45:10,568 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions. [2019-11-25 17:45:10,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-25 17:45:10,570 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 17:45:10,570 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 17:45:10,788 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-25 17:45:10,789 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, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 17:45:10,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 17:45:10,791 INFO L82 PathProgramCache]: Analyzing trace with hash 965683329, now seen corresponding path program 1 times [2019-11-25 17:45:10,793 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 17:45:10,794 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [298366592] [2019-11-25 17:45:10,795 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-25 17:45:10,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 17:45:10,950 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-25 17:45:10,957 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 17:45:10,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 17:45:10,975 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 17:45:11,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 17:45:11,074 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [298366592] [2019-11-25 17:45:11,074 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 17:45:11,075 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-25 17:45:11,075 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398400004] [2019-11-25 17:45:11,076 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 17:45:11,077 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 17:45:11,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 17:45:11,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 17:45:11,078 INFO L87 Difference]: Start difference. First operand 42 states and 44 transitions. Second operand 3 states. [2019-11-25 17:45:11,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 17:45:11,148 INFO L93 Difference]: Finished difference Result 54 states and 57 transitions. [2019-11-25 17:45:11,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 17:45:11,149 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2019-11-25 17:45:11,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 17:45:11,151 INFO L225 Difference]: With dead ends: 54 [2019-11-25 17:45:11,152 INFO L226 Difference]: Without dead ends: 43 [2019-11-25 17:45:11,152 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 17:45:11,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-11-25 17:45:11,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2019-11-25 17:45:11,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-11-25 17:45:11,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 45 transitions. [2019-11-25 17:45:11,165 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 45 transitions. Word has length 21 [2019-11-25 17:45:11,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 17:45:11,166 INFO L462 AbstractCegarLoop]: Abstraction has 43 states and 45 transitions. [2019-11-25 17:45:11,166 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 17:45:11,166 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2019-11-25 17:45:11,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-25 17:45:11,167 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 17:45:11,167 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 17:45:11,386 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-25 17:45:11,387 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, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 17:45:11,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 17:45:11,388 INFO L82 PathProgramCache]: Analyzing trace with hash -1103285257, now seen corresponding path program 1 times [2019-11-25 17:45:11,389 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 17:45:11,389 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [581643209] [2019-11-25 17:45:11,390 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-11-25 17:45:11,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 17:45:11,553 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-25 17:45:11,555 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 17:45:11,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 17:45:11,689 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 17:45:11,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 17:45:11,789 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [581643209] [2019-11-25 17:45:11,789 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 17:45:11,789 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2019-11-25 17:45:11,789 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921886578] [2019-11-25 17:45:11,792 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-25 17:45:11,792 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 17:45:11,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-25 17:45:11,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-11-25 17:45:11,793 INFO L87 Difference]: Start difference. First operand 43 states and 45 transitions. Second operand 9 states. [2019-11-25 17:45:11,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 17:45:11,857 INFO L93 Difference]: Finished difference Result 42 states and 44 transitions. [2019-11-25 17:45:11,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-25 17:45:11,859 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2019-11-25 17:45:11,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 17:45:11,860 INFO L225 Difference]: With dead ends: 42 [2019-11-25 17:45:11,860 INFO L226 Difference]: Without dead ends: 42 [2019-11-25 17:45:11,861 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-11-25 17:45:11,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2019-11-25 17:45:11,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2019-11-25 17:45:11,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-11-25 17:45:11,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 44 transitions. [2019-11-25 17:45:11,873 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 44 transitions. Word has length 23 [2019-11-25 17:45:11,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 17:45:11,873 INFO L462 AbstractCegarLoop]: Abstraction has 42 states and 44 transitions. [2019-11-25 17:45:11,873 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-25 17:45:11,874 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions. [2019-11-25 17:45:11,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-25 17:45:11,876 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 17:45:11,876 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 17:45:12,087 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-25 17:45:12,089 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, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 17:45:12,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 17:45:12,090 INFO L82 PathProgramCache]: Analyzing trace with hash 157895800, now seen corresponding path program 1 times [2019-11-25 17:45:12,090 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 17:45:12,091 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [614792797] [2019-11-25 17:45:12,091 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-11-25 17:45:12,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 17:45:12,214 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-25 17:45:12,216 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 17:45:12,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 17:45:12,411 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 17:45:12,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 17:45:12,793 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [614792797] [2019-11-25 17:45:12,793 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 17:45:12,793 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 8] imperfect sequences [] total 16 [2019-11-25 17:45:12,793 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3043342] [2019-11-25 17:45:12,794 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-11-25 17:45:12,794 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 17:45:12,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-11-25 17:45:12,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2019-11-25 17:45:12,795 INFO L87 Difference]: Start difference. First operand 42 states and 44 transitions. Second operand 17 states. [2019-11-25 17:45:13,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 17:45:13,250 INFO L93 Difference]: Finished difference Result 53 states and 54 transitions. [2019-11-25 17:45:13,252 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-11-25 17:45:13,252 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 24 [2019-11-25 17:45:13,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 17:45:13,253 INFO L225 Difference]: With dead ends: 53 [2019-11-25 17:45:13,253 INFO L226 Difference]: Without dead ends: 51 [2019-11-25 17:45:13,254 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2019-11-25 17:45:13,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2019-11-25 17:45:13,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 46. [2019-11-25 17:45:13,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-11-25 17:45:13,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 48 transitions. [2019-11-25 17:45:13,261 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 48 transitions. Word has length 24 [2019-11-25 17:45:13,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 17:45:13,262 INFO L462 AbstractCegarLoop]: Abstraction has 46 states and 48 transitions. [2019-11-25 17:45:13,262 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-11-25 17:45:13,262 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 48 transitions. [2019-11-25 17:45:13,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-25 17:45:13,263 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 17:45:13,263 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 17:45:13,472 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-25 17:45:13,473 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, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 17:45:13,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 17:45:13,474 INFO L82 PathProgramCache]: Analyzing trace with hash 599802905, now seen corresponding path program 1 times [2019-11-25 17:45:13,475 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 17:45:13,475 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [266020950] [2019-11-25 17:45:13,476 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-11-25 17:45:13,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 17:45:13,609 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-25 17:45:13,611 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 17:45:13,649 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-25 17:45:13,650 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 17:45:13,657 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 17:45:13,657 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-25 17:45:13,658 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-25 17:45:13,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 17:45:13,727 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 17:45:13,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 17:45:13,871 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [266020950] [2019-11-25 17:45:13,871 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 17:45:13,871 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2019-11-25 17:45:13,872 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015496978] [2019-11-25 17:45:13,872 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-25 17:45:13,872 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 17:45:13,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-25 17:45:13,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-11-25 17:45:13,873 INFO L87 Difference]: Start difference. First operand 46 states and 48 transitions. Second operand 9 states. [2019-11-25 17:45:14,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 17:45:14,051 INFO L93 Difference]: Finished difference Result 50 states and 51 transitions. [2019-11-25 17:45:14,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-25 17:45:14,053 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2019-11-25 17:45:14,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 17:45:14,054 INFO L225 Difference]: With dead ends: 50 [2019-11-25 17:45:14,055 INFO L226 Difference]: Without dead ends: 50 [2019-11-25 17:45:14,055 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-11-25 17:45:14,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2019-11-25 17:45:14,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 46. [2019-11-25 17:45:14,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-11-25 17:45:14,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 47 transitions. [2019-11-25 17:45:14,061 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 47 transitions. Word has length 25 [2019-11-25 17:45:14,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 17:45:14,061 INFO L462 AbstractCegarLoop]: Abstraction has 46 states and 47 transitions. [2019-11-25 17:45:14,061 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-25 17:45:14,061 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 47 transitions. [2019-11-25 17:45:14,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-25 17:45:14,062 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 17:45:14,062 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 17:45:14,273 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-11-25 17:45:14,274 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, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 17:45:14,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 17:45:14,274 INFO L82 PathProgramCache]: Analyzing trace with hash 306399898, now seen corresponding path program 1 times [2019-11-25 17:45:14,274 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 17:45:14,275 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [841645251] [2019-11-25 17:45:14,275 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2019-11-25 17:45:14,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 17:45:14,394 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-25 17:45:14,395 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 17:45:14,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 17:45:14,467 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 17:45:14,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 17:45:14,548 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [841645251] [2019-11-25 17:45:14,548 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 17:45:14,548 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2019-11-25 17:45:14,548 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328895575] [2019-11-25 17:45:14,549 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-25 17:45:14,549 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 17:45:14,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-25 17:45:14,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-11-25 17:45:14,549 INFO L87 Difference]: Start difference. First operand 46 states and 47 transitions. Second operand 9 states. [2019-11-25 17:45:14,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 17:45:14,630 INFO L93 Difference]: Finished difference Result 47 states and 48 transitions. [2019-11-25 17:45:14,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-25 17:45:14,631 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2019-11-25 17:45:14,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 17:45:14,632 INFO L225 Difference]: With dead ends: 47 [2019-11-25 17:45:14,632 INFO L226 Difference]: Without dead ends: 47 [2019-11-25 17:45:14,633 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-11-25 17:45:14,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-11-25 17:45:14,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 45. [2019-11-25 17:45:14,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-11-25 17:45:14,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 46 transitions. [2019-11-25 17:45:14,644 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 46 transitions. Word has length 25 [2019-11-25 17:45:14,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 17:45:14,647 INFO L462 AbstractCegarLoop]: Abstraction has 45 states and 46 transitions. [2019-11-25 17:45:14,647 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-25 17:45:14,648 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2019-11-25 17:45:14,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-25 17:45:14,649 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 17:45:14,649 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 17:45:14,849 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-11-25 17:45:14,850 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, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 17:45:14,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 17:45:14,850 INFO L82 PathProgramCache]: Analyzing trace with hash 1123950726, now seen corresponding path program 1 times [2019-11-25 17:45:14,851 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 17:45:14,851 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1287178294] [2019-11-25 17:45:14,851 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2019-11-25 17:45:14,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 17:45:14,975 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-25 17:45:14,977 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 17:45:15,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 17:45:15,020 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 17:45:15,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 17:45:15,178 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1287178294] [2019-11-25 17:45:15,178 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 17:45:15,178 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 9 [2019-11-25 17:45:15,178 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591002861] [2019-11-25 17:45:15,179 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-25 17:45:15,179 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 17:45:15,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-25 17:45:15,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-11-25 17:45:15,180 INFO L87 Difference]: Start difference. First operand 45 states and 46 transitions. Second operand 9 states. [2019-11-25 17:45:15,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 17:45:15,273 INFO L93 Difference]: Finished difference Result 47 states and 47 transitions. [2019-11-25 17:45:15,274 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-25 17:45:15,274 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 27 [2019-11-25 17:45:15,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 17:45:15,275 INFO L225 Difference]: With dead ends: 47 [2019-11-25 17:45:15,275 INFO L226 Difference]: Without dead ends: 45 [2019-11-25 17:45:15,276 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2019-11-25 17:45:15,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-11-25 17:45:15,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 31. [2019-11-25 17:45:15,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-11-25 17:45:15,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2019-11-25 17:45:15,280 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 31 transitions. Word has length 27 [2019-11-25 17:45:15,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 17:45:15,280 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 31 transitions. [2019-11-25 17:45:15,281 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-25 17:45:15,281 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2019-11-25 17:45:15,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-25 17:45:15,282 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 17:45:15,282 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 17:45:15,482 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-11-25 17:45:15,484 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, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 17:45:15,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 17:45:15,484 INFO L82 PathProgramCache]: Analyzing trace with hash 2141245867, now seen corresponding path program 1 times [2019-11-25 17:45:15,484 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 17:45:15,485 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [843143852] [2019-11-25 17:45:15,485 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2019-11-25 17:45:15,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 17:45:15,647 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 23 conjunts are in the unsatisfiable core [2019-11-25 17:45:15,650 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 17:45:15,676 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 17:45:15,676 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 25 [2019-11-25 17:45:15,677 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 17:45:15,695 INFO L588 ElimStorePlain]: treesize reduction 10, result has 60.0 percent of original size [2019-11-25 17:45:15,696 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 17:45:15,700 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-25 17:45:15,700 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:9, output treesize:15 [2019-11-25 17:45:15,700 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 17:45:15,710 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 17:45:15,721 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 17:45:15,732 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 17:45:24,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 17:45:24,056 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 17:45:30,495 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-11-25 17:45:30,497 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Alternating quantifiers not yet supported at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:283) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:264) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:565) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:478) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:102) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:246) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:419) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:291) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:334) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:177) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:351) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-25 17:45:30,504 INFO L168 Benchmark]: Toolchain (without parser) took 23400.47 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 277.9 MB). Free memory was 956.3 MB in the beginning and 1.2 GB in the end (delta: -258.7 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. [2019-11-25 17:45:30,504 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 17:45:30,505 INFO L168 Benchmark]: CACSL2BoogieTranslator took 919.81 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.4 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -98.6 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2019-11-25 17:45:30,506 INFO L168 Benchmark]: Boogie Preprocessor took 122.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-25 17:45:30,507 INFO L168 Benchmark]: RCFGBuilder took 1594.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 933.1 MB in the end (delta: 114.9 MB). Peak memory consumption was 114.9 MB. Max. memory is 11.5 GB. [2019-11-25 17:45:30,508 INFO L168 Benchmark]: TraceAbstraction took 20752.74 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 182.5 MB). Free memory was 933.1 MB in the beginning and 1.2 GB in the end (delta: -281.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 17:45:30,511 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 919.81 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.4 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -98.6 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 122.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1594.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 933.1 MB in the end (delta: 114.9 MB). Peak memory consumption was 114.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 20752.74 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 182.5 MB). Free memory was 933.1 MB in the beginning and 1.2 GB in the end (delta: -281.9 MB). There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Alternating quantifiers not yet supported: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:283) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...