./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 3c39aff9 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.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 05263e1a00e36e758633b8fa4d2ee72b914ab3e1 ............................................................................................................................ 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_test1-3.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 05263e1a00e36e758633b8fa4d2ee72b914ab3e1 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported --- Real Ultimate output --- This is Ultimate 0.1.24-3c39aff [2019-11-27 18:55:30,896 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 18:55:30,898 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 18:55:30,919 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 18:55:30,919 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 18:55:30,922 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 18:55:30,924 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 18:55:30,933 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 18:55:30,939 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 18:55:30,943 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 18:55:30,945 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 18:55:30,947 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 18:55:30,947 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 18:55:30,951 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 18:55:30,952 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 18:55:30,954 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 18:55:30,955 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 18:55:30,956 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 18:55:30,959 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 18:55:30,963 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 18:55:30,970 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 18:55:30,971 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 18:55:30,972 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 18:55:30,973 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 18:55:30,975 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 18:55:30,975 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 18:55:30,976 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 18:55:30,977 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 18:55:30,977 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 18:55:30,978 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 18:55:30,978 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 18:55:30,979 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 18:55:30,980 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 18:55:30,981 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 18:55:30,982 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 18:55:30,982 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 18:55:30,983 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 18:55:30,983 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 18:55:30,984 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 18:55:30,985 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 18:55:30,985 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 18:55:30,986 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 18:55:31,001 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 18:55:31,001 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 18:55:31,002 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 18:55:31,003 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 18:55:31,003 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 18:55:31,003 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 18:55:31,004 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 18:55:31,004 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 18:55:31,004 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 18:55:31,005 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 18:55:31,005 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 18:55:31,005 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 18:55:31,005 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 18:55:31,006 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 18:55:31,006 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 18:55:31,006 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 18:55:31,006 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 18:55:31,007 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 18:55:31,007 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 18:55:31,007 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 18:55:31,008 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 18:55:31,008 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 18:55:31,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 18:55:31,009 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 18:55:31,009 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 18:55:31,009 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 18:55:31,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 18:55:31,010 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 -> 05263e1a00e36e758633b8fa4d2ee72b914ab3e1 [2019-11-27 18:55:31,336 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 18:55:31,349 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 18:55:31,353 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 18:55:31,354 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 18:55:31,355 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 18:55:31,356 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i [2019-11-27 18:55:31,410 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ecdea8233/4ca371b955f94b44a295e3abd2d86a0a/FLAG5f04fd6c0 [2019-11-27 18:55:31,949 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 18:55:31,952 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i [2019-11-27 18:55:31,981 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ecdea8233/4ca371b955f94b44a295e3abd2d86a0a/FLAG5f04fd6c0 [2019-11-27 18:55:32,204 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ecdea8233/4ca371b955f94b44a295e3abd2d86a0a [2019-11-27 18:55:32,207 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 18:55:32,208 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-27 18:55:32,212 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 18:55:32,213 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 18:55:32,217 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 18:55:32,218 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 06:55:32" (1/1) ... [2019-11-27 18:55:32,222 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4371465 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:55:32, skipping insertion in model container [2019-11-27 18:55:32,223 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 06:55:32" (1/1) ... [2019-11-27 18:55:32,232 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 18:55:32,306 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 18:55:32,839 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 18:55:32,868 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2019-11-27 18:55:32,869 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@18054c01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:55:32, skipping insertion in model container [2019-11-27 18:55:32,869 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 18:55:32,869 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-27 18:55:32,873 INFO L168 Benchmark]: Toolchain (without parser) took 662.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -180.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-11-27 18:55:32,874 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 18:55:32,876 INFO L168 Benchmark]: CACSL2BoogieTranslator took 657.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -180.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-11-27 18:55:32,880 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 657.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -180.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-3c39aff [2019-11-27 18:55:34,664 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 18:55:34,666 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 18:55:34,679 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 18:55:34,679 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 18:55:34,681 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 18:55:34,682 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 18:55:34,684 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 18:55:34,686 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 18:55:34,687 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 18:55:34,688 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 18:55:34,690 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 18:55:34,690 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 18:55:34,691 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 18:55:34,692 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 18:55:34,694 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 18:55:34,695 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 18:55:34,696 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 18:55:34,698 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 18:55:34,701 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 18:55:34,703 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 18:55:34,706 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 18:55:34,710 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 18:55:34,711 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 18:55:34,716 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 18:55:34,716 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 18:55:34,716 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 18:55:34,717 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 18:55:34,718 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 18:55:34,719 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 18:55:34,719 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 18:55:34,720 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 18:55:34,721 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 18:55:34,722 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 18:55:34,724 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 18:55:34,727 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 18:55:34,728 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 18:55:34,728 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 18:55:34,728 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 18:55:34,729 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 18:55:34,732 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 18:55:34,734 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 18:55:34,758 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 18:55:34,759 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 18:55:34,761 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 18:55:34,761 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 18:55:34,761 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 18:55:34,762 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 18:55:34,762 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 18:55:34,762 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 18:55:34,763 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 18:55:34,763 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 18:55:34,764 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 18:55:34,765 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 18:55:34,765 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 18:55:34,765 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 18:55:34,766 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 18:55:34,766 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 18:55:34,766 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 18:55:34,767 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 18:55:34,767 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 18:55:34,767 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 18:55:34,768 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 18:55:34,768 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 18:55:34,768 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 18:55:34,768 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 18:55:34,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 18:55:34,769 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 18:55:34,769 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 18:55:34,770 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 18:55:34,770 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 18:55:34,770 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 18:55:34,770 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 -> 05263e1a00e36e758633b8fa4d2ee72b914ab3e1 [2019-11-27 18:55:35,079 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 18:55:35,095 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 18:55:35,100 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 18:55:35,102 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 18:55:35,102 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 18:55:35,104 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i [2019-11-27 18:55:35,180 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1df9a6e6c/bdac1d69e95d426d82094a704ca70694/FLAG93e9da937 [2019-11-27 18:55:35,799 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 18:55:35,803 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i [2019-11-27 18:55:35,829 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1df9a6e6c/bdac1d69e95d426d82094a704ca70694/FLAG93e9da937 [2019-11-27 18:55:36,042 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1df9a6e6c/bdac1d69e95d426d82094a704ca70694 [2019-11-27 18:55:36,048 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 18:55:36,050 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-27 18:55:36,052 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 18:55:36,052 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 18:55:36,056 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 18:55:36,057 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 06:55:36" (1/1) ... [2019-11-27 18:55:36,061 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69923c99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:55:36, skipping insertion in model container [2019-11-27 18:55:36,062 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 06:55:36" (1/1) ... [2019-11-27 18:55:36,071 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 18:55:36,138 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 18:55:36,695 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 18:55:36,728 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-27 18:55:36,757 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 18:55:36,808 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 18:55:36,818 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 18:55:36,894 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 18:55:36,985 INFO L208 MainTranslator]: Completed translation [2019-11-27 18:55:36,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:55:36 WrapperNode [2019-11-27 18:55:36,985 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 18:55:36,986 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 18:55:36,986 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 18:55:36,987 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 18:55:37,001 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:55:36" (1/1) ... [2019-11-27 18:55:37,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:55:36" (1/1) ... [2019-11-27 18:55:37,027 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:55:36" (1/1) ... [2019-11-27 18:55:37,028 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:55:36" (1/1) ... [2019-11-27 18:55:37,077 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:55:36" (1/1) ... [2019-11-27 18:55:37,084 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:55:36" (1/1) ... [2019-11-27 18:55:37,091 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:55:36" (1/1) ... [2019-11-27 18:55:37,102 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 18:55:37,102 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-27 18:55:37,103 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-27 18:55:37,103 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-27 18:55:37,104 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:55:36" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 18:55:37,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-27 18:55:37,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-27 18:55:37,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-27 18:55:37,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-11-27 18:55:37,175 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-27 18:55:37,176 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-27 18:55:37,177 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-27 18:55:37,177 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-27 18:55:37,177 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-27 18:55:37,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-27 18:55:37,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-27 18:55:37,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-27 18:55:37,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-27 18:55:37,179 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-27 18:55:37,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-27 18:55:37,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-27 18:55:37,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-27 18:55:37,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-27 18:55:37,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-27 18:55:37,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-27 18:55:37,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-27 18:55:37,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-27 18:55:37,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-27 18:55:37,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-27 18:55:37,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-27 18:55:37,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-27 18:55:37,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-27 18:55:37,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-27 18:55:37,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-27 18:55:37,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-27 18:55:37,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-27 18:55:37,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-27 18:55:37,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-27 18:55:37,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-27 18:55:37,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-27 18:55:37,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-27 18:55:37,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-27 18:55:37,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-27 18:55:37,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-27 18:55:37,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-27 18:55:37,184 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-27 18:55:37,184 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-27 18:55:37,185 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-27 18:55:37,185 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-27 18:55:37,185 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-27 18:55:37,185 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-27 18:55:37,185 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-27 18:55:37,185 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-27 18:55:37,186 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-27 18:55:37,186 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-27 18:55:37,186 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-27 18:55:37,186 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-27 18:55:37,187 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-27 18:55:37,187 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-27 18:55:37,187 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-27 18:55:37,187 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-27 18:55:37,187 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-27 18:55:37,187 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-27 18:55:37,188 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-27 18:55:37,188 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-27 18:55:37,188 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-27 18:55:37,188 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-27 18:55:37,188 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-27 18:55:37,189 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-27 18:55:37,190 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-27 18:55:37,190 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-27 18:55:37,190 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-27 18:55:37,191 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-27 18:55:37,191 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-27 18:55:37,192 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-27 18:55:37,192 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-27 18:55:37,193 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-27 18:55:37,193 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-27 18:55:37,193 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-27 18:55:37,193 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-27 18:55:37,193 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-27 18:55:37,193 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-27 18:55:37,194 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-27 18:55:37,194 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-27 18:55:37,195 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-27 18:55:37,195 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-27 18:55:37,195 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-27 18:55:37,195 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-27 18:55:37,195 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-27 18:55:37,195 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-27 18:55:37,196 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-27 18:55:37,196 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-27 18:55:37,196 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-27 18:55:37,196 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-27 18:55:37,196 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-27 18:55:37,196 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-27 18:55:37,196 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-27 18:55:37,197 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-27 18:55:37,197 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-27 18:55:37,197 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-27 18:55:37,197 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-27 18:55:37,197 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-27 18:55:37,197 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-27 18:55:37,197 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-27 18:55:37,198 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-27 18:55:37,198 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-27 18:55:37,198 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-27 18:55:37,198 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-27 18:55:37,198 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-27 18:55:37,198 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-27 18:55:37,198 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-27 18:55:37,199 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-27 18:55:37,199 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-27 18:55:37,199 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-27 18:55:37,199 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-27 18:55:37,200 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-27 18:55:37,200 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-27 18:55:37,200 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-27 18:55:37,201 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-27 18:55:37,201 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-27 18:55:37,201 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-27 18:55:37,201 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-27 18:55:37,202 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-27 18:55:37,202 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-27 18:55:37,202 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-27 18:55:37,202 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-27 18:55:37,202 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-27 18:55:37,202 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-27 18:55:37,203 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-27 18:55:37,203 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-27 18:55:37,203 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-27 18:55:37,204 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-27 18:55:37,208 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-27 18:55:37,208 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-27 18:55:37,208 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-27 18:55:37,208 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-27 18:55:37,208 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-27 18:55:37,209 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-27 18:55:37,209 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-27 18:55:37,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-27 18:55:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-27 18:55:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-27 18:55:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-27 18:55:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-27 18:55:37,218 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-27 18:55:37,218 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-27 18:55:37,218 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-27 18:55:37,218 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-27 18:55:37,218 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-27 18:55:37,219 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-27 18:55:37,219 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-27 18:55:37,219 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-27 18:55:37,219 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-27 18:55:37,219 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-27 18:55:37,219 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-27 18:55:37,219 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-27 18:55:37,219 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-27 18:55:37,220 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-27 18:55:37,220 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-27 18:55:37,220 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-27 18:55:37,220 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-27 18:55:37,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-27 18:55:37,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-27 18:55:37,220 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-27 18:55:37,220 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-27 18:55:37,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-27 18:55:37,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-27 18:55:37,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-27 18:55:37,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-27 18:55:37,222 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-27 18:55:37,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-27 18:55:37,222 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-27 18:55:37,222 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-27 18:55:37,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-27 18:55:37,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-27 18:55:37,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-27 18:55:37,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-27 18:55:37,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-27 18:55:37,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-27 18:55:37,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-27 18:55:37,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-27 18:55:37,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-27 18:55:37,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-27 18:55:37,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-27 18:55:37,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-27 18:55:37,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-27 18:55:37,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-27 18:55:37,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-27 18:55:37,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-27 18:55:37,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-27 18:55:37,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-27 18:55:37,225 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-27 18:55:37,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-27 18:55:37,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-27 18:55:37,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-27 18:55:37,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-27 18:55:37,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-27 18:55:37,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-27 18:55:37,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-27 18:55:37,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-27 18:55:37,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-27 18:55:37,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-27 18:55:37,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-27 18:55:37,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-27 18:55:37,227 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-27 18:55:37,227 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-27 18:55:37,227 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-27 18:55:37,227 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-27 18:55:37,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-27 18:55:37,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-27 18:55:37,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-27 18:55:37,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-27 18:55:37,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-11-27 18:55:37,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-27 18:55:37,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-27 18:55:37,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-27 18:55:37,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-27 18:55:37,976 WARN L749 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-27 18:55:38,390 WARN L749 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-27 18:55:38,746 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-27 18:55:38,746 INFO L287 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-27 18:55:38,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 06:55:38 BoogieIcfgContainer [2019-11-27 18:55:38,748 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-27 18:55:38,749 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-27 18:55:38,750 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-27 18:55:38,753 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-27 18:55:38,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 06:55:36" (1/3) ... [2019-11-27 18:55:38,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c4a193 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 06:55:38, skipping insertion in model container [2019-11-27 18:55:38,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:55:36" (2/3) ... [2019-11-27 18:55:38,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c4a193 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 06:55:38, skipping insertion in model container [2019-11-27 18:55:38,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 06:55:38" (3/3) ... [2019-11-27 18:55:38,757 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test1-3.i [2019-11-27 18:55:38,767 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-27 18:55:38,779 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2019-11-27 18:55:38,792 INFO L249 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2019-11-27 18:55:38,818 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-27 18:55:38,818 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-27 18:55:38,818 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-27 18:55:38,818 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-27 18:55:38,819 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-27 18:55:38,819 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-27 18:55:38,819 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-27 18:55:38,819 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-27 18:55:38,842 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states. [2019-11-27 18:55:38,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-27 18:55:38,859 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 18:55:38,861 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 18:55:38,862 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, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-27 18:55:38,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 18:55:38,869 INFO L82 PathProgramCache]: Analyzing trace with hash -1839111754, now seen corresponding path program 1 times [2019-11-27 18:55:38,882 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 18:55:38,883 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1917773114] [2019-11-27 18:55:38,883 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-27 18:55:39,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 18:55:39,095 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-27 18:55:39,112 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 18:55:39,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 18:55:39,187 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 18:55:39,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 18:55:39,248 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1917773114] [2019-11-27 18:55:39,249 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 18:55:39,249 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-27 18:55:39,250 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932151629] [2019-11-27 18:55:39,256 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-27 18:55:39,256 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 18:55:39,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-27 18:55:39,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-27 18:55:39,280 INFO L87 Difference]: Start difference. First operand 95 states. Second operand 5 states. [2019-11-27 18:55:39,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 18:55:39,315 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2019-11-27 18:55:39,316 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-27 18:55:39,317 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2019-11-27 18:55:39,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 18:55:39,328 INFO L225 Difference]: With dead ends: 24 [2019-11-27 18:55:39,328 INFO L226 Difference]: Without dead ends: 21 [2019-11-27 18:55:39,330 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-27 18:55:39,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-11-27 18:55:39,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-11-27 18:55:39,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-11-27 18:55:39,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2019-11-27 18:55:39,369 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 13 [2019-11-27 18:55:39,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 18:55:39,370 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2019-11-27 18:55:39,370 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-27 18:55:39,370 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2019-11-27 18:55:39,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-27 18:55:39,371 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 18:55:39,371 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 18:55:39,593 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-27 18:55:39,594 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, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-27 18:55:39,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 18:55:39,595 INFO L82 PathProgramCache]: Analyzing trace with hash -1177889137, now seen corresponding path program 1 times [2019-11-27 18:55:39,595 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 18:55:39,596 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1152410772] [2019-11-27 18:55:39,596 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-27 18:55:39,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 18:55:39,760 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-27 18:55:39,763 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 18:55:39,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 18:55:39,867 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 18:55:39,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 18:55:39,975 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1152410772] [2019-11-27 18:55:39,975 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 18:55:39,975 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 8 [2019-11-27 18:55:39,976 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332409013] [2019-11-27 18:55:39,977 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-27 18:55:39,978 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 18:55:39,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-27 18:55:39,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-11-27 18:55:39,978 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 9 states. [2019-11-27 18:55:40,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 18:55:40,133 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2019-11-27 18:55:40,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-27 18:55:40,134 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 14 [2019-11-27 18:55:40,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 18:55:40,137 INFO L225 Difference]: With dead ends: 28 [2019-11-27 18:55:40,137 INFO L226 Difference]: Without dead ends: 28 [2019-11-27 18:55:40,138 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-11-27 18:55:40,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2019-11-27 18:55:40,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 20. [2019-11-27 18:55:40,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-11-27 18:55:40,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2019-11-27 18:55:40,144 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 14 [2019-11-27 18:55:40,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 18:55:40,145 INFO L462 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2019-11-27 18:55:40,145 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-27 18:55:40,145 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2019-11-27 18:55:40,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-27 18:55:40,146 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 18:55:40,146 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 18:55:40,359 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-27 18:55:40,360 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, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-27 18:55:40,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 18:55:40,360 INFO L82 PathProgramCache]: Analyzing trace with hash 2140142808, now seen corresponding path program 1 times [2019-11-27 18:55:40,361 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 18:55:40,361 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1698734512] [2019-11-27 18:55:40,361 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-11-27 18:55:40,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 18:55:40,531 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-27 18:55:40,535 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 18:55:40,585 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-27 18:55:40,585 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-27 18:55:40,591 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-27 18:55:40,592 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-27 18:55:40,592 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-27 18:55:40,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 18:55:40,617 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 18:55:40,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 18:55:40,674 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1698734512] [2019-11-27 18:55:40,675 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 18:55:40,675 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-27 18:55:40,675 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026481345] [2019-11-27 18:55:40,675 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-27 18:55:40,678 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 18:55:40,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-27 18:55:40,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-27 18:55:40,679 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand 5 states. [2019-11-27 18:55:40,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 18:55:40,731 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2019-11-27 18:55:40,731 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-27 18:55:40,731 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2019-11-27 18:55:40,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 18:55:40,732 INFO L225 Difference]: With dead ends: 26 [2019-11-27 18:55:40,733 INFO L226 Difference]: Without dead ends: 26 [2019-11-27 18:55:40,733 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-27 18:55:40,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-11-27 18:55:40,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2019-11-27 18:55:40,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-11-27 18:55:40,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2019-11-27 18:55:40,741 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 15 [2019-11-27 18:55:40,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 18:55:40,742 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 26 transitions. [2019-11-27 18:55:40,742 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-27 18:55:40,742 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2019-11-27 18:55:40,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-27 18:55:40,745 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 18:55:40,745 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 18:55:40,956 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-27 18:55:40,957 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, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-27 18:55:40,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 18:55:40,958 INFO L82 PathProgramCache]: Analyzing trace with hash -1267320807, now seen corresponding path program 1 times [2019-11-27 18:55:40,959 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 18:55:40,960 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [240775297] [2019-11-27 18:55:40,960 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-11-27 18:55:41,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 18:55:41,061 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-27 18:55:41,062 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 18:55:41,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 18:55:41,091 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 18:55:41,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 18:55:41,115 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [240775297] [2019-11-27 18:55:41,115 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 18:55:41,115 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-27 18:55:41,116 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269979018] [2019-11-27 18:55:41,117 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-27 18:55:41,117 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 18:55:41,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-27 18:55:41,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-27 18:55:41,119 INFO L87 Difference]: Start difference. First operand 26 states and 26 transitions. Second operand 5 states. [2019-11-27 18:55:41,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 18:55:41,141 INFO L93 Difference]: Finished difference Result 27 states and 27 transitions. [2019-11-27 18:55:41,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-27 18:55:41,144 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2019-11-27 18:55:41,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 18:55:41,147 INFO L225 Difference]: With dead ends: 27 [2019-11-27 18:55:41,147 INFO L226 Difference]: Without dead ends: 27 [2019-11-27 18:55:41,147 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-27 18:55:41,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-11-27 18:55:41,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 19. [2019-11-27 18:55:41,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-27 18:55:41,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2019-11-27 18:55:41,151 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 15 [2019-11-27 18:55:41,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 18:55:41,152 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2019-11-27 18:55:41,152 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-27 18:55:41,152 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2019-11-27 18:55:41,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-27 18:55:41,152 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 18:55:41,153 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 18:55:41,364 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-27 18:55:41,365 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, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-27 18:55:41,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 18:55:41,366 INFO L82 PathProgramCache]: Analyzing trace with hash -1794725483, now seen corresponding path program 1 times [2019-11-27 18:55:41,367 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 18:55:41,367 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1799411280] [2019-11-27 18:55:41,368 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-11-27 18:55:41,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 18:55:41,502 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-27 18:55:41,507 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 18:55:43,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 18:55:43,629 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 18:55:50,130 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-11-27 18:55:50,131 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Alternating quantifiers not yet supported at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:283) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:264) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:565) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:478) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:102) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:246) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:419) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:291) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:334) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:177) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:139) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-27 18:55:50,136 INFO L168 Benchmark]: Toolchain (without parser) took 14086.61 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 225.4 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -119.3 MB). Peak memory consumption was 106.1 MB. Max. memory is 11.5 GB. [2019-11-27 18:55:50,140 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 18:55:50,141 INFO L168 Benchmark]: CACSL2BoogieTranslator took 934.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -156.5 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. [2019-11-27 18:55:50,141 INFO L168 Benchmark]: Boogie Preprocessor took 115.80 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 18:55:50,142 INFO L168 Benchmark]: RCFGBuilder took 1645.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 995.7 MB in the end (delta: 110.4 MB). Peak memory consumption was 110.4 MB. Max. memory is 11.5 GB. [2019-11-27 18:55:50,147 INFO L168 Benchmark]: TraceAbstraction took 11384.86 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 75.0 MB). Free memory was 995.7 MB in the beginning and 1.1 GB in the end (delta: -78.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 18:55:50,152 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 934.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -156.5 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 115.80 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1645.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 995.7 MB in the end (delta: 110.4 MB). Peak memory consumption was 110.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11384.86 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 75.0 MB). Free memory was 995.7 MB in the beginning and 1.1 GB in the end (delta: -78.6 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...