./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/memsafety/lockfree-3.1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 32f26835 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-3.1.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 c1eee0363564b6d4551a57eb6d1fbf96320d9c79 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-3.1.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 c1eee0363564b6d4551a57eb6d1fbf96320d9c79 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 22:21:01,413 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:21:01,417 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:21:01,433 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:21:01,435 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:21:01,442 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:21:01,446 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:21:01,458 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:21:01,465 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:21:01,469 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:21:01,471 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:21:01,474 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:21:01,478 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:21:01,480 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:21:01,481 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:21:01,482 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:21:01,485 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:21:01,486 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:21:01,491 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:21:01,494 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:21:01,503 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:21:01,509 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:21:01,510 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:21:01,514 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:21:01,520 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:21:01,520 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:21:01,521 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:21:01,525 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:21:01,525 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:21:01,526 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:21:01,526 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:21:01,527 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:21:01,529 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:21:01,532 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:21:01,533 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:21:01,534 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:21:01,535 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:21:01,538 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:21:01,538 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:21:01,539 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:21:01,540 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:21:01,541 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-24 22:21:01,568 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:21:01,570 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:21:01,574 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:21:01,575 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:21:01,575 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:21:01,575 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:21:01,575 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:21:01,575 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:21:01,576 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:21:01,576 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:21:01,578 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:21:01,579 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:21:01,579 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:21:01,579 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:21:01,580 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:21:01,580 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:21:01,580 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:21:01,580 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:21:01,580 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:21:01,583 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:21:01,583 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:21:01,583 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:21:01,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:21:01,584 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:21:01,584 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:21:01,584 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 22:21:01,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 22:21:01,584 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 -> c1eee0363564b6d4551a57eb6d1fbf96320d9c79 [2019-11-24 22:21:02,024 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:21:02,042 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:21:02,048 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:21:02,053 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:21:02,053 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:21:02,054 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/lockfree-3.1.i [2019-11-24 22:21:02,157 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54b36f60f/9c4ba99f6ad94b38ac5783d87ec48933/FLAG807af339b [2019-11-24 22:21:02,985 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:21:02,987 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/lockfree-3.1.i [2019-11-24 22:21:03,013 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54b36f60f/9c4ba99f6ad94b38ac5783d87ec48933/FLAG807af339b [2019-11-24 22:21:03,181 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54b36f60f/9c4ba99f6ad94b38ac5783d87ec48933 [2019-11-24 22:21:03,187 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:21:03,189 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:21:03,195 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:21:03,198 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:21:03,205 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:21:03,206 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:21:03" (1/1) ... [2019-11-24 22:21:03,211 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e0a86e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:03, skipping insertion in model container [2019-11-24 22:21:03,211 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:21:03" (1/1) ... [2019-11-24 22:21:03,224 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:21:03,293 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:21:03,903 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:21:03,923 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:21:04,014 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:21:04,096 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:21:04,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:04 WrapperNode [2019-11-24 22:21:04,098 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:21:04,101 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:21:04,101 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:21:04,101 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:21:04,118 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:04" (1/1) ... [2019-11-24 22:21:04,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:04" (1/1) ... [2019-11-24 22:21:04,156 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:04" (1/1) ... [2019-11-24 22:21:04,156 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:04" (1/1) ... [2019-11-24 22:21:04,212 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:04" (1/1) ... [2019-11-24 22:21:04,225 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:04" (1/1) ... [2019-11-24 22:21:04,237 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:04" (1/1) ... [2019-11-24 22:21:04,248 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:21:04,266 INFO L168 Benchmark]: Toolchain (without parser) took 1061.76 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 972.8 MB in the end (delta: -11.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:21:04,270 INFO L168 Benchmark]: CDTParser took 0.44 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. [2019-11-24 22:21:04,272 INFO L168 Benchmark]: CACSL2BoogieTranslator took 904.37 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 978.5 MB in the end (delta: -16.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-24 22:21:04,275 INFO L168 Benchmark]: Boogie Preprocessor took 147.63 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. [2019-11-24 22:21:04,283 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 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 904.37 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 978.5 MB in the end (delta: -16.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 147.63 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 0.1.24-32f2683 [2019-11-24 22:21:06,939 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:21:06,944 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:21:06,969 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:21:06,969 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:21:06,971 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:21:06,974 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:21:06,987 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:21:06,991 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:21:06,997 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:21:06,998 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:21:07,003 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:21:07,004 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:21:07,006 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:21:07,008 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:21:07,009 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:21:07,014 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:21:07,014 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:21:07,017 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:21:07,022 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:21:07,029 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:21:07,033 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:21:07,034 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:21:07,035 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:21:07,042 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:21:07,042 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:21:07,043 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:21:07,045 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:21:07,046 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:21:07,047 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:21:07,050 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:21:07,051 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:21:07,051 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:21:07,053 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:21:07,055 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:21:07,055 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:21:07,059 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:21:07,059 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:21:07,059 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:21:07,060 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:21:07,062 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:21:07,063 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-24 22:21:07,092 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:21:07,094 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:21:07,097 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:21:07,097 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:21:07,099 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:21:07,099 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:21:07,099 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:21:07,099 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:21:07,100 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:21:07,100 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:21:07,101 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:21:07,101 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:21:07,104 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:21:07,104 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:21:07,104 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:21:07,105 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:21:07,105 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 22:21:07,105 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 22:21:07,105 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:21:07,105 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:21:07,106 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:21:07,106 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:21:07,106 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:21:07,106 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:21:07,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:21:07,109 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:21:07,109 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:21:07,109 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 22:21:07,109 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 22:21:07,110 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 22:21:07,111 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 -> c1eee0363564b6d4551a57eb6d1fbf96320d9c79 [2019-11-24 22:21:07,534 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:21:07,555 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:21:07,562 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:21:07,563 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:21:07,564 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:21:07,567 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/lockfree-3.1.i [2019-11-24 22:21:07,674 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5bffa58b/880a13f170504063929a1414858ae106/FLAGf29b53737 [2019-11-24 22:21:08,490 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:21:08,494 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/lockfree-3.1.i [2019-11-24 22:21:08,520 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5bffa58b/880a13f170504063929a1414858ae106/FLAGf29b53737 [2019-11-24 22:21:08,700 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5bffa58b/880a13f170504063929a1414858ae106 [2019-11-24 22:21:08,706 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:21:08,708 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:21:08,709 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:21:08,715 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:21:08,720 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:21:08,722 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:21:08" (1/1) ... [2019-11-24 22:21:08,725 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a0a35f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:08, skipping insertion in model container [2019-11-24 22:21:08,725 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:21:08" (1/1) ... [2019-11-24 22:21:08,731 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:21:08,807 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:21:09,435 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:21:09,453 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:21:09,558 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:21:09,656 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:21:09,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:09 WrapperNode [2019-11-24 22:21:09,661 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:21:09,661 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:21:09,662 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:21:09,665 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:21:09,685 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:09" (1/1) ... [2019-11-24 22:21:09,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:09" (1/1) ... [2019-11-24 22:21:09,724 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:09" (1/1) ... [2019-11-24 22:21:09,725 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:09" (1/1) ... [2019-11-24 22:21:09,760 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:09" (1/1) ... [2019-11-24 22:21:09,790 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:09" (1/1) ... [2019-11-24 22:21:09,801 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:09" (1/1) ... [2019-11-24 22:21:09,811 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:21:09,821 INFO L168 Benchmark]: Toolchain (without parser) took 1109.99 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 972.5 MB in the end (delta: -12.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:21:09,822 INFO L168 Benchmark]: CDTParser took 0.38 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. [2019-11-24 22:21:09,824 INFO L168 Benchmark]: CACSL2BoogieTranslator took 952.10 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 978.2 MB in the end (delta: -18.0 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-24 22:21:09,829 INFO L168 Benchmark]: Boogie Preprocessor took 154.69 ms. Allocated memory is still 1.0 GB. Free memory was 978.2 MB in the beginning and 972.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 22:21:09,844 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 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 952.10 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 978.2 MB in the end (delta: -18.0 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 154.69 ms. Allocated memory is still 1.0 GB. Free memory was 978.2 MB in the beginning and 972.5 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...