./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-properties/alternating_list-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version da95e156 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/list-properties/alternating_list-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c86c31ba65e8769cfdcc728bfa7fc9963ff0709c .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/alternating_list-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c86c31ba65e8769cfdcc728bfa7fc9963ff0709c ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 11:22:48,320 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:22:48,329 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:22:48,361 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:22:48,362 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:22:48,364 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:22:48,370 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:22:48,386 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:22:48,388 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:22:48,395 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:22:48,397 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:22:48,403 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:22:48,403 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:22:48,407 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:22:48,413 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:22:48,416 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:22:48,419 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:22:48,424 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:22:48,427 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:22:48,437 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:22:48,442 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:22:48,448 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:22:48,453 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:22:48,455 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:22:48,464 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:22:48,465 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:22:48,466 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:22:48,469 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:22:48,469 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:22:48,471 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:22:48,474 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:22:48,475 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:22:48,477 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:22:48,480 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:22:48,482 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:22:48,485 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:22:48,486 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:22:48,487 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:22:48,487 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:22:48,491 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:22:48,496 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:22:48,497 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 11:22:48,533 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:22:48,535 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:22:48,539 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:22:48,539 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:22:48,541 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:22:48,541 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:22:48,541 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:22:48,543 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:22:48,543 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:22:48,543 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:22:48,545 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:22:48,548 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:22:48,548 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:22:48,549 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:22:48,549 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:22:48,549 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:22:48,550 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:22:48,550 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:22:48,550 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:22:48,553 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:22:48,553 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:22:48,553 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:22:48,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:22:48,554 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:22:48,554 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:22:48,555 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 11:22:48,555 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 11:22:48,555 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 -> c86c31ba65e8769cfdcc728bfa7fc9963ff0709c [2019-11-27 11:22:49,097 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:22:49,124 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:22:49,136 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:22:49,137 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:22:49,139 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:22:49,140 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-properties/alternating_list-1.i [2019-11-27 11:22:49,308 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/745f87eb9/f8d6105df7274f7e99abb164fbde558e/FLAG77fc9ef43 [2019-11-27 11:22:50,540 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:22:50,540 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-properties/alternating_list-1.i [2019-11-27 11:22:50,578 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/745f87eb9/f8d6105df7274f7e99abb164fbde558e/FLAG77fc9ef43 [2019-11-27 11:22:50,620 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/745f87eb9/f8d6105df7274f7e99abb164fbde558e [2019-11-27 11:22:50,627 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:22:50,637 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:22:50,639 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:22:50,639 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:22:50,646 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:22:50,650 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:22:50" (1/1) ... [2019-11-27 11:22:50,659 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fc7227c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:50, skipping insertion in model container [2019-11-27 11:22:50,660 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:22:50" (1/1) ... [2019-11-27 11:22:50,680 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:22:50,782 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:22:51,682 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:22:51,704 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:22:51,825 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:22:51,950 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:22:51,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:51 WrapperNode [2019-11-27 11:22:51,955 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:22:51,956 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:22:51,957 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:22:51,957 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:22:51,982 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:51" (1/1) ... [2019-11-27 11:22:51,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:51" (1/1) ... [2019-11-27 11:22:52,029 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:51" (1/1) ... [2019-11-27 11:22:52,029 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:51" (1/1) ... [2019-11-27 11:22:52,090 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:51" (1/1) ... [2019-11-27 11:22:52,105 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:51" (1/1) ... [2019-11-27 11:22:52,112 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:51" (1/1) ... [2019-11-27 11:22:52,128 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:22:52,148 INFO L168 Benchmark]: Toolchain (without parser) took 1502.38 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 968.5 MB in the end (delta: -6.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:22:52,154 INFO L168 Benchmark]: CDTParser took 2.98 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:22:52,158 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1317.07 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 968.5 MB in the end (delta: -6.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 11:22:52,162 INFO L168 Benchmark]: Boogie Preprocessor took 174.20 ms. Allocated memory is still 1.0 GB. Free memory is still 968.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:22:52,169 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.98 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 1317.07 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 968.5 MB in the end (delta: -6.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 174.20 ms. Allocated memory is still 1.0 GB. Free memory is still 968.5 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 11:22:56,174 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:22:56,180 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:22:56,211 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:22:56,215 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:22:56,217 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:22:56,222 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:22:56,235 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:22:56,246 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:22:56,250 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:22:56,254 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:22:56,259 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:22:56,260 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:22:56,263 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:22:56,267 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:22:56,269 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:22:56,274 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:22:56,275 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:22:56,282 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:22:56,290 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:22:56,296 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:22:56,304 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:22:56,305 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:22:56,311 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:22:56,318 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:22:56,318 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:22:56,319 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:22:56,321 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:22:56,324 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:22:56,325 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:22:56,326 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:22:56,327 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:22:56,330 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:22:56,334 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:22:56,336 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:22:56,337 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:22:56,338 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:22:56,340 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:22:56,340 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:22:56,341 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:22:56,346 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:22:56,347 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 11:22:56,402 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:22:56,404 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:22:56,405 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:22:56,413 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:22:56,413 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:22:56,414 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:22:56,414 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:22:56,414 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:22:56,414 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:22:56,415 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:22:56,415 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:22:56,418 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:22:56,418 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:22:56,418 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:22:56,419 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:22:56,419 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:22:56,420 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 11:22:56,420 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 11:22:56,420 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:22:56,421 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:22:56,421 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:22:56,423 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:22:56,423 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:22:56,424 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:22:56,424 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:22:56,424 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:22:56,425 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:22:56,426 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 11:22:56,427 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 11:22:56,427 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 11:22:56,431 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 -> c86c31ba65e8769cfdcc728bfa7fc9963ff0709c [2019-11-27 11:22:56,959 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:22:56,993 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:22:56,998 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:22:57,011 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:22:57,012 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:22:57,014 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-properties/alternating_list-1.i [2019-11-27 11:22:57,173 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61b2a7aff/b8cf75fbe49b432f8d92e3970720bf19/FLAGe9e89edb8 [2019-11-27 11:22:58,427 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:22:58,433 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-properties/alternating_list-1.i [2019-11-27 11:22:58,474 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61b2a7aff/b8cf75fbe49b432f8d92e3970720bf19/FLAGe9e89edb8 [2019-11-27 11:22:58,518 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61b2a7aff/b8cf75fbe49b432f8d92e3970720bf19 [2019-11-27 11:22:58,526 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:22:58,529 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:22:58,538 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:22:58,541 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:22:58,547 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:22:58,550 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:22:58" (1/1) ... [2019-11-27 11:22:58,560 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fc7227c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:58, skipping insertion in model container [2019-11-27 11:22:58,560 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:22:58" (1/1) ... [2019-11-27 11:22:58,579 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:22:58,681 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:22:59,647 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:22:59,692 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:22:59,820 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:22:59,962 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:22:59,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:59 WrapperNode [2019-11-27 11:22:59,966 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:22:59,967 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:22:59,970 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:22:59,970 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:23:00,003 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:59" (1/1) ... [2019-11-27 11:23:00,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:59" (1/1) ... [2019-11-27 11:23:00,060 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:59" (1/1) ... [2019-11-27 11:23:00,061 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:59" (1/1) ... [2019-11-27 11:23:00,126 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:59" (1/1) ... [2019-11-27 11:23:00,153 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:59" (1/1) ... [2019-11-27 11:23:00,168 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:59" (1/1) ... [2019-11-27 11:23:00,182 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:23:00,189 INFO L168 Benchmark]: Toolchain (without parser) took 1656.17 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.8 MB in the end (delta: -11.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:23:00,194 INFO L168 Benchmark]: CDTParser took 1.07 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:23:00,204 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1429.15 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 978.5 MB in the end (delta: -16.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:00,207 INFO L168 Benchmark]: Boogie Preprocessor took 215.48 ms. Allocated memory is still 1.0 GB. Free memory was 978.5 MB in the beginning and 972.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:00,222 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.07 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 1429.15 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 978.5 MB in the end (delta: -16.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 215.48 ms. Allocated memory is still 1.0 GB. Free memory was 978.5 MB in the beginning and 972.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...