./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-properties/simple-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 32f26835 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/list-properties/simple-2.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 17ff5ae56efea2deac29e7fa779d53a24810a7c7 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/list-properties/simple-2.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 17ff5ae56efea2deac29e7fa779d53a24810a7c7 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 22:23:00,344 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:23:00,351 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:23:00,389 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:23:00,391 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:23:00,393 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:23:00,398 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:23:00,414 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:23:00,423 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:23:00,430 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:23:00,431 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:23:00,437 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:23:00,438 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:23:00,443 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:23:00,448 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:23:00,452 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:23:00,455 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:23:00,460 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:23:00,463 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:23:00,470 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:23:00,481 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:23:00,489 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:23:00,494 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:23:00,497 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:23:00,506 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:23:00,507 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:23:00,507 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:23:00,509 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:23:00,511 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:23:00,512 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:23:00,514 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:23:00,515 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:23:00,517 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:23:00,521 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:23:00,524 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:23:00,527 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:23:00,528 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:23:00,529 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:23:00,529 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:23:00,533 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:23:00,537 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:23:00,538 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-24 22:23:00,589 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:23:00,590 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:23:00,594 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:23:00,597 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:23:00,598 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:23:00,598 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:23:00,598 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:23:00,599 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:23:00,602 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:23:00,602 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:23:00,604 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:23:00,604 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:23:00,604 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:23:00,605 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:23:00,605 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:23:00,606 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:23:00,606 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:23:00,607 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:23:00,607 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:23:00,610 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:23:00,610 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:23:00,611 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:23:00,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:23:00,611 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:23:00,612 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:23:00,612 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 22:23:00,615 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 22:23:00,615 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 -> 17ff5ae56efea2deac29e7fa779d53a24810a7c7 [2019-11-24 22:23:01,271 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:23:01,303 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:23:01,310 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:23:01,317 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:23:01,318 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:23:01,320 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-properties/simple-2.i [2019-11-24 22:23:01,473 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15f2bb7bf/96819111e4cb4dd0b14544cefdfe61a3/FLAG0452e43ac [2019-11-24 22:23:02,571 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:23:02,573 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-properties/simple-2.i [2019-11-24 22:23:02,614 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15f2bb7bf/96819111e4cb4dd0b14544cefdfe61a3/FLAG0452e43ac [2019-11-24 22:23:02,655 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15f2bb7bf/96819111e4cb4dd0b14544cefdfe61a3 [2019-11-24 22:23:02,665 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:23:02,667 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:23:02,673 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:02,675 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:23:02,681 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:23:02,687 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:02" (1/1) ... [2019-11-24 22:23:02,692 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a3459d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:02, skipping insertion in model container [2019-11-24 22:23:02,693 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:02" (1/1) ... [2019-11-24 22:23:02,713 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:23:02,803 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:23:03,644 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:03,683 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:23:03,788 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:03,922 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:23:03,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:03 WrapperNode [2019-11-24 22:23:03,923 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:03,924 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:23:03,924 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:23:03,925 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:23:03,948 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:03" (1/1) ... [2019-11-24 22:23:03,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:03" (1/1) ... [2019-11-24 22:23:03,995 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:03" (1/1) ... [2019-11-24 22:23:03,998 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:03" (1/1) ... [2019-11-24 22:23:04,053 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:03" (1/1) ... [2019-11-24 22:23:04,061 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:03" (1/1) ... [2019-11-24 22:23:04,077 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:03" (1/1) ... [2019-11-24 22:23:04,090 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:23:04,100 INFO L168 Benchmark]: Toolchain (without parser) took 1427.15 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 978.3 MB in the end (delta: -16.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:04,117 INFO L168 Benchmark]: CDTParser took 0.74 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:04,120 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1250.82 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 978.3 MB in the end (delta: -16.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 22:23:04,122 INFO L168 Benchmark]: Boogie Preprocessor took 167.56 ms. Allocated memory is still 1.0 GB. Free memory is still 978.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:04,133 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.74 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 1250.82 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 978.3 MB in the end (delta: -16.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 167.56 ms. Allocated memory is still 1.0 GB. Free memory is still 978.3 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 0.1.24-32f2683 [2019-11-24 22:23:08,229 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:23:08,234 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:23:08,256 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:23:08,257 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:23:08,259 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:23:08,261 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:23:08,290 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:23:08,293 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:23:08,301 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:23:08,303 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:23:08,309 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:23:08,310 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:23:08,316 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:23:08,319 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:23:08,323 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:23:08,327 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:23:08,332 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:23:08,336 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:23:08,344 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:23:08,352 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:23:08,358 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:23:08,362 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:23:08,366 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:23:08,376 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:23:08,376 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:23:08,377 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:23:08,379 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:23:08,380 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:23:08,382 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:23:08,385 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:23:08,386 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:23:08,387 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:23:08,391 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:23:08,395 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:23:08,396 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:23:08,397 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:23:08,397 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:23:08,400 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:23:08,401 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:23:08,406 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:23:08,407 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-24 22:23:08,445 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:23:08,449 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:23:08,452 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:23:08,453 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:23:08,453 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:23:08,455 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:23:08,455 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:23:08,456 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:23:08,456 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:23:08,457 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:23:08,459 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:23:08,459 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:23:08,461 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:23:08,461 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:23:08,462 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:23:08,462 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:23:08,464 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 22:23:08,464 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 22:23:08,464 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:23:08,465 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:23:08,465 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:23:08,466 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:23:08,468 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:23:08,468 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:23:08,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:23:08,469 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:23:08,469 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:23:08,470 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 22:23:08,473 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 22:23:08,474 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 22:23:08,475 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 -> 17ff5ae56efea2deac29e7fa779d53a24810a7c7 [2019-11-24 22:23:09,112 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:23:09,141 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:23:09,151 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:23:09,153 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:23:09,156 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:23:09,158 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-properties/simple-2.i [2019-11-24 22:23:09,318 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c5379f1d/b515527d170a4d688113b79aa43ab555/FLAG085b35f6f [2019-11-24 22:23:10,501 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:23:10,509 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-properties/simple-2.i [2019-11-24 22:23:10,546 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c5379f1d/b515527d170a4d688113b79aa43ab555/FLAG085b35f6f [2019-11-24 22:23:10,586 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c5379f1d/b515527d170a4d688113b79aa43ab555 [2019-11-24 22:23:10,594 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:23:10,597 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:23:10,603 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:10,604 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:23:10,607 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:23:10,614 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:10" (1/1) ... [2019-11-24 22:23:10,622 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b4f2291 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:10, skipping insertion in model container [2019-11-24 22:23:10,622 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:10" (1/1) ... [2019-11-24 22:23:10,642 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:23:10,742 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:23:11,696 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:11,735 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:23:11,856 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:11,995 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:23:11,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:11 WrapperNode [2019-11-24 22:23:11,999 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:12,000 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:23:12,000 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:23:12,001 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:23:12,034 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:11" (1/1) ... [2019-11-24 22:23:12,036 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:11" (1/1) ... [2019-11-24 22:23:12,097 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:11" (1/1) ... [2019-11-24 22:23:12,098 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:11" (1/1) ... [2019-11-24 22:23:12,163 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:11" (1/1) ... [2019-11-24 22:23:12,178 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:11" (1/1) ... [2019-11-24 22:23:12,197 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:11" (1/1) ... [2019-11-24 22:23:12,211 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:23:12,221 INFO L168 Benchmark]: Toolchain (without parser) took 1619.54 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 968.2 MB in the end (delta: -785.8 kB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:12,222 INFO L168 Benchmark]: CDTParser took 0.47 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. [2019-11-24 22:23:12,226 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1396.54 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 968.2 MB in the end (delta: -785.8 kB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-24 22:23:12,231 INFO L168 Benchmark]: Boogie Preprocessor took 213.96 ms. Allocated memory is still 1.0 GB. Free memory is still 968.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:12,240 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 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 1396.54 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 968.2 MB in the end (delta: -785.8 kB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 213.96 ms. Allocated memory is still 1.0 GB. Free memory is still 968.2 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...