./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/memsafety/lockfree-3.0.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 509859d6 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/memsafety/lockfree-3.0.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 951d8064545e4b50cbbf102bea023e631caaec99 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/memsafety/lockfree-3.0.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 951d8064545e4b50cbbf102bea023e631caaec99 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 17:43:17,848 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:43:17,855 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:43:17,889 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:43:17,890 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:43:17,892 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:43:17,894 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:43:17,915 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:43:17,921 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:43:17,926 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:43:17,931 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:43:17,933 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:43:17,938 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:43:17,941 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:43:17,946 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:43:17,949 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:43:17,952 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:43:17,955 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:43:17,956 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:43:17,971 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:43:17,978 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:43:17,984 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:43:17,987 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:43:17,992 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:43:18,000 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:43:18,001 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:43:18,004 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:43:18,006 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:43:18,007 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:43:18,010 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:43:18,012 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:43:18,013 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:43:18,015 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:43:18,018 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:43:18,021 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:43:18,025 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:43:18,026 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:43:18,027 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:43:18,027 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:43:18,033 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:43:18,035 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:43:18,036 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 17:43:18,078 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:43:18,079 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:43:18,083 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:43:18,085 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:43:18,085 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:43:18,086 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:43:18,086 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:43:18,087 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:43:18,087 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:43:18,090 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:43:18,091 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:43:18,092 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:43:18,092 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:43:18,092 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:43:18,093 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:43:18,093 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:43:18,093 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:43:18,094 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:43:18,095 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:43:18,095 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:43:18,095 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:43:18,098 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:43:18,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:43:18,099 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:43:18,099 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:43:18,099 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:43:18,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:43:18,101 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 -> 951d8064545e4b50cbbf102bea023e631caaec99 [2019-11-27 17:43:18,720 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:43:18,758 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:43:18,765 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:43:18,771 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:43:18,774 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:43:18,775 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/lockfree-3.0.i [2019-11-27 17:43:18,940 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca8cc4826/27dbb16aa31e4232959ff32bbfc2d7cf/FLAG8fcbc23e3 [2019-11-27 17:43:20,224 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:43:20,231 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/lockfree-3.0.i [2019-11-27 17:43:20,269 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca8cc4826/27dbb16aa31e4232959ff32bbfc2d7cf/FLAG8fcbc23e3 [2019-11-27 17:43:20,302 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca8cc4826/27dbb16aa31e4232959ff32bbfc2d7cf [2019-11-27 17:43:20,312 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:43:20,319 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:43:20,325 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:43:20,325 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:43:20,335 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:43:20,336 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:43:20" (1/1) ... [2019-11-27 17:43:20,346 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44043fb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:20, skipping insertion in model container [2019-11-27 17:43:20,347 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:43:20" (1/1) ... [2019-11-27 17:43:20,365 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:43:20,470 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:43:21,405 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:43:21,443 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:43:21,570 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:43:21,682 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:43:21,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:21 WrapperNode [2019-11-27 17:43:21,684 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:43:21,685 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:43:21,686 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:43:21,687 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:43:21,702 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:21" (1/1) ... [2019-11-27 17:43:21,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:21" (1/1) ... [2019-11-27 17:43:21,749 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:21" (1/1) ... [2019-11-27 17:43:21,750 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:21" (1/1) ... [2019-11-27 17:43:21,797 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:21" (1/1) ... [2019-11-27 17:43:21,814 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:21" (1/1) ... [2019-11-27 17:43:21,823 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:21" (1/1) ... [2019-11-27 17:43:21,835 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:43:21,851 INFO L168 Benchmark]: Toolchain (without parser) took 1523.46 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.8 MB in the end (delta: -5.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:43:21,863 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:43:21,865 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1359.89 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 978.5 MB in the end (delta: -11.1 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 17:43:21,871 INFO L168 Benchmark]: Boogie Preprocessor took 153.49 ms. Allocated memory is still 1.0 GB. Free memory was 978.5 MB in the beginning and 972.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:43:21,881 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1359.89 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 978.5 MB in the end (delta: -11.1 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 153.49 ms. Allocated memory is still 1.0 GB. Free memory was 978.5 MB in the beginning and 972.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 17:43:25,943 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:43:25,951 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:43:25,991 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:43:25,992 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:43:25,997 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:43:25,999 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:43:26,020 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:43:26,022 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:43:26,030 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:43:26,033 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:43:26,037 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:43:26,041 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:43:26,046 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:43:26,050 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:43:26,053 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:43:26,057 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:43:26,064 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:43:26,068 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:43:26,076 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:43:26,083 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:43:26,090 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:43:26,095 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:43:26,097 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:43:26,107 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:43:26,108 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:43:26,108 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:43:26,112 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:43:26,112 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:43:26,116 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:43:26,116 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:43:26,120 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:43:26,121 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:43:26,125 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:43:26,128 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:43:26,131 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:43:26,133 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:43:26,133 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:43:26,134 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:43:26,139 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:43:26,143 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:43:26,144 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 17:43:26,187 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:43:26,189 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:43:26,194 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:43:26,196 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:43:26,196 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:43:26,196 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:43:26,197 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:43:26,198 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:43:26,198 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:43:26,201 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:43:26,202 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:43:26,203 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:43:26,203 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:43:26,204 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:43:26,204 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:43:26,213 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:43:26,216 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:43:26,216 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:43:26,217 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:43:26,217 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:43:26,217 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:43:26,218 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:43:26,218 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:43:26,221 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:43:26,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:43:26,222 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:43:26,222 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:43:26,222 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:43:26,223 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:43:26,223 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:43:26,225 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 -> 951d8064545e4b50cbbf102bea023e631caaec99 [2019-11-27 17:43:26,813 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:43:26,844 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:43:26,853 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:43:26,855 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:43:26,859 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:43:26,860 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/lockfree-3.0.i [2019-11-27 17:43:27,026 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ec9e9ff1/9e6b3ef3189e4330995c68167f2ddbbf/FLAGe6b1ccd6f [2019-11-27 17:43:28,172 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:43:28,173 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/lockfree-3.0.i [2019-11-27 17:43:28,222 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ec9e9ff1/9e6b3ef3189e4330995c68167f2ddbbf/FLAGe6b1ccd6f [2019-11-27 17:43:28,250 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ec9e9ff1/9e6b3ef3189e4330995c68167f2ddbbf [2019-11-27 17:43:28,262 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:43:28,268 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:43:28,281 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:43:28,282 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:43:28,289 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:43:28,294 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:43:28" (1/1) ... [2019-11-27 17:43:28,301 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a8eb7d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:28, skipping insertion in model container [2019-11-27 17:43:28,304 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:43:28" (1/1) ... [2019-11-27 17:43:28,323 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:43:28,425 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:43:29,370 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:43:29,414 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:43:29,563 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:43:29,695 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:43:29,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:29 WrapperNode [2019-11-27 17:43:29,699 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:43:29,705 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:43:29,706 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:43:29,706 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:43:29,726 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:29" (1/1) ... [2019-11-27 17:43:29,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:29" (1/1) ... [2019-11-27 17:43:29,781 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:29" (1/1) ... [2019-11-27 17:43:29,783 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:29" (1/1) ... [2019-11-27 17:43:29,833 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:29" (1/1) ... [2019-11-27 17:43:29,865 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:29" (1/1) ... [2019-11-27 17:43:29,888 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:29" (1/1) ... [2019-11-27 17:43:29,906 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:43:29,915 INFO L168 Benchmark]: Toolchain (without parser) took 1648.06 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 968.5 MB in the end (delta: -6.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:43:29,922 INFO L168 Benchmark]: CDTParser took 2.60 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:43:29,933 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1423.78 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 974.2 MB in the end (delta: -12.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 17:43:29,934 INFO L168 Benchmark]: Boogie Preprocessor took 203.25 ms. Allocated memory is still 1.0 GB. Free memory was 974.2 MB in the beginning and 968.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:43:29,938 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.60 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1423.78 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 974.2 MB in the end (delta: -12.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 203.25 ms. Allocated memory is still 1.0 GB. Free memory was 974.2 MB in the beginning and 968.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...