./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 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-3.3.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 0.1.24-509859d [2019-11-27 17:43:18,497 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:43:18,499 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:43:18,516 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:43:18,517 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:43:18,531 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:43:18,533 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:43:18,547 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:43:18,554 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:43:18,558 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:43:18,559 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:43:18,563 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:43:18,563 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:43:18,568 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:43:18,569 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:43:18,571 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:43:18,572 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:43:18,573 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:43:18,578 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:43:18,583 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:43:18,590 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:43:18,594 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:43:18,598 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:43:18,600 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:43:18,604 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:43:18,607 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:43:18,607 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:43:18,609 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:43:18,609 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:43:18,610 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:43:18,612 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:43:18,613 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:43:18,613 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:43:18,615 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:43:18,618 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:43:18,620 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:43:18,621 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:43:18,621 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:43:18,621 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:43:18,622 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:43:18,627 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:43:18,627 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 17:43:18,654 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:43:18,656 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:43:18,659 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:43:18,660 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:43:18,660 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:43:18,660 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:43:18,661 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:43:18,661 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:43:18,662 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:43:18,662 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:43:18,663 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:43:18,663 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:43:18,664 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:43:18,664 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:43:18,667 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:43:18,667 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:43:18,667 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:43:18,667 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:43:18,668 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:43:18,668 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:43:18,668 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:43:18,668 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:43:18,669 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:43:18,669 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:43:18,669 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:43:18,669 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:43:18,669 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:43:18,671 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 17:43:19,137 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:43:19,154 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:43:19,161 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:43:19,165 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:43:19,166 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:43:19,166 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/lockfree-3.3.i [2019-11-27 17:43:19,276 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c651fcf56/a17cdcd9cb9445b9a051b3d6040d24f6/FLAGd517656af [2019-11-27 17:43:20,143 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:43:20,151 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/lockfree-3.3.i [2019-11-27 17:43:20,177 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c651fcf56/a17cdcd9cb9445b9a051b3d6040d24f6/FLAGd517656af [2019-11-27 17:43:20,317 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c651fcf56/a17cdcd9cb9445b9a051b3d6040d24f6 [2019-11-27 17:43:20,321 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:43:20,324 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:43:20,339 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:43:20,339 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:43:20,343 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:43:20,344 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:43:20" (1/1) ... [2019-11-27 17:43:20,348 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bc64e63 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 17:43:20,348 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:43:20" (1/1) ... [2019-11-27 17:43:20,359 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:43:20,447 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:43:21,089 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:43:21,101 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:43:21,199 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:43:21,283 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:43:21,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:21 WrapperNode [2019-11-27 17:43:21,290 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:43:21,291 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:43:21,291 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:43:21,291 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:43:21,310 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 17:43:21,311 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 17:43:21,363 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 17:43:21,366 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 17:43:21,402 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 17:43:21,415 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 17:43:21,423 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 17:43:21,435 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:43:21,457 INFO L168 Benchmark]: Toolchain (without parser) took 1116.47 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 968.5 MB in the end (delta: -8.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:43:21,458 INFO L168 Benchmark]: CDTParser took 0.53 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 17:43:21,460 INFO L168 Benchmark]: CACSL2BoogieTranslator took 952.11 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 974.2 MB in the end (delta: -14.0 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 17:43:21,463 INFO L168 Benchmark]: Boogie Preprocessor took 145.66 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 17:43:21,470 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53 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 952.11 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 974.2 MB in the end (delta: -14.0 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 145.66 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... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 17:43:24,209 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:43:24,211 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:43:24,235 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:43:24,236 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:43:24,242 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:43:24,245 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:43:24,259 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:43:24,265 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:43:24,271 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:43:24,272 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:43:24,273 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:43:24,274 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:43:24,276 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:43:24,276 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:43:24,278 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:43:24,281 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:43:24,282 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:43:24,288 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:43:24,291 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:43:24,296 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:43:24,304 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:43:24,305 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:43:24,308 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:43:24,315 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:43:24,316 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:43:24,316 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:43:24,317 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:43:24,319 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:43:24,320 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:43:24,322 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:43:24,323 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:43:24,324 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:43:24,327 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:43:24,329 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:43:24,329 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:43:24,333 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:43:24,333 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:43:24,333 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:43:24,335 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:43:24,338 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:43:24,339 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 17:43:24,367 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:43:24,367 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:43:24,371 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:43:24,371 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:43:24,372 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:43:24,372 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:43:24,375 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:43:24,375 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:43:24,375 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:43:24,375 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:43:24,376 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:43:24,377 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:43:24,377 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:43:24,377 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:43:24,378 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:43:24,378 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:43:24,378 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:43:24,378 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:43:24,378 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:43:24,380 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:43:24,380 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:43:24,380 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:43:24,380 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:43:24,382 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:43:24,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:43:24,382 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:43:24,382 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:43:24,383 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:43:24,385 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:43:24,385 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:43:24,386 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 17:43:24,834 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:43:24,850 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:43:24,856 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:43:24,860 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:43:24,860 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:43:24,861 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/lockfree-3.3.i [2019-11-27 17:43:24,969 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad1d0c791/ac71c66597ed4ea49732544cb888c570/FLAG40d0cc0bb [2019-11-27 17:43:25,835 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:43:25,836 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/lockfree-3.3.i [2019-11-27 17:43:25,865 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad1d0c791/ac71c66597ed4ea49732544cb888c570/FLAG40d0cc0bb [2019-11-27 17:43:26,032 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad1d0c791/ac71c66597ed4ea49732544cb888c570 [2019-11-27 17:43:26,041 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:43:26,044 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:43:26,047 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:43:26,049 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:43:26,056 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:43:26,057 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:43:26" (1/1) ... [2019-11-27 17:43:26,062 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 27.11 05:43:26, skipping insertion in model container [2019-11-27 17:43:26,062 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:43:26" (1/1) ... [2019-11-27 17:43:26,078 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:43:26,147 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:43:26,857 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:43:26,875 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:43:26,975 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:43:27,067 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:43:27,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:27 WrapperNode [2019-11-27 17:43:27,069 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:43:27,070 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:43:27,070 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:43:27,070 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:43:27,083 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:27" (1/1) ... [2019-11-27 17:43:27,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:27" (1/1) ... [2019-11-27 17:43:27,125 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:27" (1/1) ... [2019-11-27 17:43:27,125 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:27" (1/1) ... [2019-11-27 17:43:27,162 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:27" (1/1) ... [2019-11-27 17:43:27,186 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:27" (1/1) ... [2019-11-27 17:43:27,195 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:27" (1/1) ... [2019-11-27 17:43:27,207 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:43:27,215 INFO L168 Benchmark]: Toolchain (without parser) took 1167.74 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 973.9 MB in the end (delta: -13.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:43:27,216 INFO L168 Benchmark]: CDTParser took 1.20 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 17:43:27,217 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1022.61 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 979.6 MB in the end (delta: -19.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 17:43:27,220 INFO L168 Benchmark]: Boogie Preprocessor took 138.98 ms. Allocated memory is still 1.0 GB. Free memory was 979.6 MB in the beginning and 973.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:43:27,234 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.20 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 1022.61 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 979.6 MB in the end (delta: -19.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 138.98 ms. Allocated memory is still 1.0 GB. Free memory was 979.6 MB in the beginning and 973.9 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...