./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/memsafety/lockfree-3.3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version da95e156 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-3.3.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 9f2a2a3db64819077b17ec0cac240c138be80e0f ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-3.3.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 9f2a2a3db64819077b17ec0cac240c138be80e0f ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 11:20:52,607 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:20:52,612 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:20:52,639 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:20:52,639 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:20:52,641 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:20:52,644 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:20:52,657 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:20:52,664 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:20:52,668 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:20:52,668 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:20:52,673 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:20:52,673 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:20:52,676 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:20:52,679 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:20:52,681 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:20:52,683 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:20:52,685 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:20:52,689 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:20:52,695 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:20:52,701 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:20:52,707 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:20:52,708 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:20:52,712 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:20:52,717 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:20:52,718 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:20:52,718 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:20:52,719 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:20:52,722 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:20:52,723 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:20:52,723 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:20:52,727 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:20:52,728 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:20:52,729 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:20:52,730 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:20:52,730 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:20:52,731 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:20:52,734 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:20:52,734 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:20:52,735 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:20:52,736 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:20:52,737 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 11:20:52,765 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:20:52,766 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:20:52,770 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:20:52,771 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:20:52,771 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:20:52,771 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:20:52,771 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:20:52,772 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:20:52,772 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:20:52,774 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:20:52,775 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:20:52,775 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:20:52,775 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:20:52,776 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:20:52,776 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:20:52,776 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:20:52,776 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:20:52,776 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:20:52,777 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:20:52,779 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:20:52,779 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:20:52,779 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:20:52,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:20:52,780 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:20:52,780 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:20:52,780 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 11:20:52,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 11:20:52,780 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 -> 9f2a2a3db64819077b17ec0cac240c138be80e0f [2019-11-27 11:20:53,238 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:20:53,257 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:20:53,260 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:20:53,265 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:20:53,265 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:20:53,266 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/lockfree-3.3.i [2019-11-27 11:20:53,375 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e34c08f98/d7719898297746d2908f77d4b0aa6a36/FLAGa59780c94 [2019-11-27 11:20:54,208 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:20:54,212 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/lockfree-3.3.i [2019-11-27 11:20:54,236 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e34c08f98/d7719898297746d2908f77d4b0aa6a36/FLAGa59780c94 [2019-11-27 11:20:54,399 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e34c08f98/d7719898297746d2908f77d4b0aa6a36 [2019-11-27 11:20:54,405 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:20:54,407 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:20:54,416 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:20:54,417 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:20:54,421 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:20:54,423 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:20:54" (1/1) ... [2019-11-27 11:20:54,433 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7324d471 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:54, skipping insertion in model container [2019-11-27 11:20:54,433 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:20:54" (1/1) ... [2019-11-27 11:20:54,446 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:20:54,514 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:20:55,138 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:20:55,152 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:20:55,245 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:20:55,323 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:20:55,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:55 WrapperNode [2019-11-27 11:20:55,324 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:20:55,326 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:20:55,326 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:20:55,326 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:20:55,337 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:55" (1/1) ... [2019-11-27 11:20:55,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:55" (1/1) ... [2019-11-27 11:20:55,378 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:55" (1/1) ... [2019-11-27 11:20:55,379 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:55" (1/1) ... [2019-11-27 11:20:55,431 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:55" (1/1) ... [2019-11-27 11:20:55,445 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:55" (1/1) ... [2019-11-27 11:20:55,449 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:55" (1/1) ... [2019-11-27 11:20:55,464 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:20:55,481 INFO L168 Benchmark]: Toolchain (without parser) took 1059.96 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 978.2 MB in the end (delta: -16.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:20:55,484 INFO L168 Benchmark]: CDTParser took 2.84 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 11:20:55,485 INFO L168 Benchmark]: CACSL2BoogieTranslator took 908.60 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 978.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 11:20:55,486 INFO L168 Benchmark]: Boogie Preprocessor took 138.95 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:20:55,492 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.84 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 908.60 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 978.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 138.95 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. 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-da95e15 [2019-11-27 11:20:58,314 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:20:58,316 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:20:58,333 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:20:58,334 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:20:58,349 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:20:58,353 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:20:58,365 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:20:58,371 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:20:58,374 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:20:58,377 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:20:58,382 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:20:58,383 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:20:58,385 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:20:58,386 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:20:58,390 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:20:58,392 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:20:58,392 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:20:58,396 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:20:58,403 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:20:58,407 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:20:58,412 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:20:58,414 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:20:58,418 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:20:58,422 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:20:58,424 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:20:58,424 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:20:58,426 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:20:58,429 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:20:58,430 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:20:58,430 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:20:58,431 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:20:58,432 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:20:58,435 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:20:58,436 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:20:58,439 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:20:58,440 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:20:58,440 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:20:58,441 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:20:58,441 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:20:58,445 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:20:58,446 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 11:20:58,475 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:20:58,475 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:20:58,477 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:20:58,479 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:20:58,479 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:20:58,479 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:20:58,479 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:20:58,480 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:20:58,480 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:20:58,480 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:20:58,481 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:20:58,484 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:20:58,484 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:20:58,485 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:20:58,485 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:20:58,485 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:20:58,485 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 11:20:58,485 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 11:20:58,486 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:20:58,486 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:20:58,486 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:20:58,486 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:20:58,486 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:20:58,489 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:20:58,489 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:20:58,489 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:20:58,489 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:20:58,490 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 11:20:58,490 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 11:20:58,490 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 11:20:58,491 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 -> 9f2a2a3db64819077b17ec0cac240c138be80e0f [2019-11-27 11:20:58,885 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:20:58,901 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:20:58,906 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:20:58,909 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:20:58,909 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:20:58,912 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/lockfree-3.3.i [2019-11-27 11:20:59,034 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/373c88341/8d3a086d6cfa4c0f87bcd1343f7869d9/FLAG2c5d78445 [2019-11-27 11:20:59,870 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:20:59,871 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/lockfree-3.3.i [2019-11-27 11:20:59,905 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/373c88341/8d3a086d6cfa4c0f87bcd1343f7869d9/FLAG2c5d78445 [2019-11-27 11:21:00,054 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/373c88341/8d3a086d6cfa4c0f87bcd1343f7869d9 [2019-11-27 11:21:00,059 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:21:00,061 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:21:00,072 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:21:00,072 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:21:00,075 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:21:00,076 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:21:00" (1/1) ... [2019-11-27 11:21:00,078 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36c7b1f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:00, skipping insertion in model container [2019-11-27 11:21:00,079 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:21:00" (1/1) ... [2019-11-27 11:21:00,085 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:21:00,169 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:21:00,820 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:21:00,837 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:21:00,948 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:21:01,049 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:21:01,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:01 WrapperNode [2019-11-27 11:21:01,053 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:21:01,054 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:21:01,054 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:21:01,054 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:21:01,075 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:01" (1/1) ... [2019-11-27 11:21:01,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:01" (1/1) ... [2019-11-27 11:21:01,117 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:01" (1/1) ... [2019-11-27 11:21:01,119 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:01" (1/1) ... [2019-11-27 11:21:01,153 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:01" (1/1) ... [2019-11-27 11:21:01,170 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:01" (1/1) ... [2019-11-27 11:21:01,180 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:01" (1/1) ... [2019-11-27 11:21:01,190 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:21:01,197 INFO L168 Benchmark]: Toolchain (without parser) took 1132.05 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 968.5 MB in the end (delta: -1.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:21:01,198 INFO L168 Benchmark]: CDTParser took 0.25 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 11:21:01,205 INFO L168 Benchmark]: CACSL2BoogieTranslator took 981.55 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 974.2 MB in the end (delta: -6.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 11:21:01,206 INFO L168 Benchmark]: Boogie Preprocessor took 136.64 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 11:21:01,221 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 981.55 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 974.2 MB in the end (delta: -6.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 136.64 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...