./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/verifythis/duplets.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 025d5a27 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/verifythis/duplets.c -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 c261d11d6e37ef6eda45455c8074b5a0eac3352b ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/verifythis/duplets.c -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 c261d11d6e37ef6eda45455c8074b5a0eac3352b ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:56:06,331 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:56:06,335 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:56:06,373 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:56:06,373 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:56:06,375 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:56:06,383 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:56:06,396 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:56:06,402 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:56:06,408 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:56:06,413 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:56:06,416 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:56:06,416 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:56:06,419 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:56:06,422 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:56:06,427 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:56:06,429 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:56:06,430 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:56:06,436 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:56:06,441 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:56:06,447 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:56:06,455 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:56:06,456 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:56:06,462 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:56:06,468 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:56:06,468 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:56:06,471 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:56:06,473 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:56:06,474 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:56:06,475 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:56:06,477 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:56:06,478 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:56:06,481 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:56:06,483 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:56:06,487 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:56:06,488 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:56:06,489 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:56:06,491 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:56:06,491 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:56:06,492 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:56:06,495 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:56:06,497 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-26 17:56:06,548 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:56:06,555 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:56:06,556 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:56:06,563 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:56:06,563 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:56:06,564 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:56:06,564 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:56:06,564 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 17:56:06,565 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:56:06,565 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:56:06,565 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:56:06,565 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 17:56:06,567 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 17:56:06,567 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 17:56:06,567 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:56:06,567 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 17:56:06,571 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:56:06,571 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:56:06,572 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:56:06,572 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:56:06,572 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:56:06,572 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:56:06,573 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:56:06,576 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:56:06,576 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:56:06,576 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:56:06,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:56:06,577 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 -> c261d11d6e37ef6eda45455c8074b5a0eac3352b [2019-11-26 17:56:07,131 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:56:07,161 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:56:07,169 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:56:07,171 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:56:07,174 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:56:07,175 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/verifythis/duplets.c [2019-11-26 17:56:07,337 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d04c9539/601ef274f4134c97ae9748b358692fa6/FLAG8b80994c1 [2019-11-26 17:56:08,450 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:56:08,451 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/verifythis/duplets.c [2019-11-26 17:56:08,470 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d04c9539/601ef274f4134c97ae9748b358692fa6/FLAG8b80994c1 [2019-11-26 17:56:08,512 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d04c9539/601ef274f4134c97ae9748b358692fa6 [2019-11-26 17:56:08,518 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:56:08,523 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 17:56:08,529 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:56:08,531 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:56:08,538 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:56:08,542 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:56:08" (1/1) ... [2019-11-26 17:56:08,549 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cbcb891 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:56:08, skipping insertion in model container [2019-11-26 17:56:08,551 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:56:08" (1/1) ... [2019-11-26 17:56:08,570 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:56:08,622 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:56:09,113 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:56:09,168 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:56:09,342 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:56:09,380 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:56:09,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:56:09 WrapperNode [2019-11-26 17:56:09,382 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:56:09,383 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:56:09,383 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:56:09,383 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:56:09,398 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:56:09" (1/1) ... [2019-11-26 17:56:09,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:56:09" (1/1) ... [2019-11-26 17:56:09,445 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:56:09" (1/1) ... [2019-11-26 17:56:09,447 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:56:09" (1/1) ... [2019-11-26 17:56:09,482 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:56:09" (1/1) ... [2019-11-26 17:56:09,490 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:56:09" (1/1) ... [2019-11-26 17:56:09,498 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:56:09" (1/1) ... [2019-11-26 17:56:09,511 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:56:09,520 INFO L168 Benchmark]: Toolchain (without parser) took 991.39 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 991.4 MB in the end (delta: -29.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:56:09,522 INFO L168 Benchmark]: CDTParser took 0.65 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. [2019-11-26 17:56:09,539 INFO L168 Benchmark]: CACSL2BoogieTranslator took 853.64 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 991.4 MB in the end (delta: -29.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:56:09,541 INFO L168 Benchmark]: Boogie Preprocessor took 128.53 ms. Allocated memory is still 1.0 GB. Free memory is still 991.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:56:09,550 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.65 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 853.64 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 991.4 MB in the end (delta: -29.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 128.53 ms. Allocated memory is still 1.0 GB. Free memory is still 991.4 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 0.1.24-025d5a2 [2019-11-26 17:56:13,247 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:56:13,253 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:56:13,285 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:56:13,289 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:56:13,292 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:56:13,297 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:56:13,309 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:56:13,318 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:56:13,325 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:56:13,326 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:56:13,330 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:56:13,332 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:56:13,337 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:56:13,339 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:56:13,343 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:56:13,345 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:56:13,349 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:56:13,355 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:56:13,359 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:56:13,367 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:56:13,374 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:56:13,378 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:56:13,380 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:56:13,388 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:56:13,391 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:56:13,391 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:56:13,393 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:56:13,394 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:56:13,397 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:56:13,399 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:56:13,400 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:56:13,401 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:56:13,405 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:56:13,409 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:56:13,410 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:56:13,411 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:56:13,414 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:56:13,414 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:56:13,415 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:56:13,418 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:56:13,420 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-26 17:56:13,478 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:56:13,478 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:56:13,481 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:56:13,484 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:56:13,485 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:56:13,488 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:56:13,491 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:56:13,491 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 17:56:13,491 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:56:13,492 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:56:13,492 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:56:13,492 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 17:56:13,493 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 17:56:13,493 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 17:56:13,493 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:56:13,497 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 17:56:13,498 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:56:13,498 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:56:13,498 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:56:13,498 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:56:13,499 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:56:13,499 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:56:13,499 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:56:13,500 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:56:13,500 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:56:13,501 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:56:13,501 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:56:13,503 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:56:13,504 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:56:13,504 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:56:13,505 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 -> c261d11d6e37ef6eda45455c8074b5a0eac3352b [2019-11-26 17:56:14,158 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:56:14,188 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:56:14,192 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:56:14,200 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:56:14,200 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:56:14,205 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/verifythis/duplets.c [2019-11-26 17:56:14,357 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5620c1e4/d8ef1a3425be4b4f9bcef1a24b126e9c/FLAGe891600b2 [2019-11-26 17:56:15,460 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:56:15,463 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/verifythis/duplets.c [2019-11-26 17:56:15,481 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5620c1e4/d8ef1a3425be4b4f9bcef1a24b126e9c/FLAGe891600b2 [2019-11-26 17:56:15,519 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5620c1e4/d8ef1a3425be4b4f9bcef1a24b126e9c [2019-11-26 17:56:15,527 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:56:15,531 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 17:56:15,535 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:56:15,539 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:56:15,545 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:56:15,549 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:56:15" (1/1) ... [2019-11-26 17:56:15,556 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bca1b0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:56:15, skipping insertion in model container [2019-11-26 17:56:15,556 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:56:15" (1/1) ... [2019-11-26 17:56:15,585 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:56:15,637 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:56:16,136 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:56:16,179 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:56:16,347 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:56:16,390 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:56:16,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:56:16 WrapperNode [2019-11-26 17:56:16,391 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:56:16,392 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:56:16,392 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:56:16,393 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:56:16,412 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:56:16" (1/1) ... [2019-11-26 17:56:16,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:56:16" (1/1) ... [2019-11-26 17:56:16,468 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:56:16" (1/1) ... [2019-11-26 17:56:16,468 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:56:16" (1/1) ... [2019-11-26 17:56:16,508 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:56:16" (1/1) ... [2019-11-26 17:56:16,527 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:56:16" (1/1) ... [2019-11-26 17:56:16,533 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:56:16" (1/1) ... [2019-11-26 17:56:16,542 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:56:16,555 INFO L168 Benchmark]: Toolchain (without parser) took 1015.70 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 991.2 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:56:16,559 INFO L168 Benchmark]: CDTParser took 3.54 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. [2019-11-26 17:56:16,565 INFO L168 Benchmark]: CACSL2BoogieTranslator took 857.01 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 991.2 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:56:16,568 INFO L168 Benchmark]: Boogie Preprocessor took 150.11 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:56:16,577 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.54 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 857.01 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 991.2 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 150.11 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 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...