./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/memsafety/960521-1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/memsafety/960521-1-2.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 23619599fdd38727ef203e0659e9a36fd8a9395d .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/memsafety/960521-1-2.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 23619599fdd38727ef203e0659e9a36fd8a9395d ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 17:43:17,206 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:43:17,212 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:43:17,240 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:43:17,242 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:43:17,245 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:43:17,261 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:43:17,275 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:43:17,278 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:43:17,285 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:43:17,287 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:43:17,294 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:43:17,294 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:43:17,300 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:43:17,304 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:43:17,310 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:43:17,313 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:43:17,319 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:43:17,324 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:43:17,334 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:43:17,343 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:43:17,348 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:43:17,354 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:43:17,357 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:43:17,364 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:43:17,367 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:43:17,367 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:43:17,371 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:43:17,372 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:43:17,373 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:43:17,376 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:43:17,377 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:43:17,379 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:43:17,382 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:43:17,388 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:43:17,388 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:43:17,390 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:43:17,390 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:43:17,393 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:43:17,394 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:43:17,397 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:43:17,399 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 17:43:17,440 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:43:17,443 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:43:17,449 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:43:17,450 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:43:17,450 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:43:17,451 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:43:17,451 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:43:17,453 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:43:17,453 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:43:17,453 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:43:17,455 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:43:17,455 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:43:17,455 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:43:17,458 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:43:17,459 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:43:17,459 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:43:17,459 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:43:17,460 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:43:17,460 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:43:17,460 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:43:17,461 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:43:17,462 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:43:17,463 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:43:17,463 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:43:17,463 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:43:17,466 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:43:17,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:43:17,467 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 -> 23619599fdd38727ef203e0659e9a36fd8a9395d [2019-11-27 17:43:18,146 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:43:18,178 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:43:18,184 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:43:18,188 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:43:18,194 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:43:18,195 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/960521-1-2.i [2019-11-27 17:43:18,355 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/462fb5e77/d70edbf5f68b4f189c1ede931e367273/FLAG9cbdec63b [2019-11-27 17:43:19,540 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:43:19,541 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/960521-1-2.i [2019-11-27 17:43:19,589 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/462fb5e77/d70edbf5f68b4f189c1ede931e367273/FLAG9cbdec63b [2019-11-27 17:43:19,626 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/462fb5e77/d70edbf5f68b4f189c1ede931e367273 [2019-11-27 17:43:19,631 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:43:19,635 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:43:19,647 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:43:19,648 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:43:19,655 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:43:19,656 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:43:19" (1/1) ... [2019-11-27 17:43:19,659 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@281e5afc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:19, skipping insertion in model container [2019-11-27 17:43:19,660 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:43:19" (1/1) ... [2019-11-27 17:43:19,676 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:43:19,782 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:43:20,667 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:43:20,690 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:43:20,800 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:43:20,917 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:43:20,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:20 WrapperNode [2019-11-27 17:43:20,918 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:43:20,920 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:43:20,920 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:43:20,920 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:43:20,952 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:20" (1/1) ... [2019-11-27 17:43:20,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:20" (1/1) ... [2019-11-27 17:43:21,015 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:20" (1/1) ... [2019-11-27 17:43:21,016 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:20" (1/1) ... [2019-11-27 17:43:21,057 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:20" (1/1) ... [2019-11-27 17:43:21,076 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:20" (1/1) ... [2019-11-27 17:43:21,083 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:20" (1/1) ... [2019-11-27 17:43:21,096 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:43:21,115 INFO L168 Benchmark]: Toolchain (without parser) took 1468.24 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 978.2 MB in the end (delta: -10.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:43:21,122 INFO L168 Benchmark]: CDTParser took 0.73 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:43:21,124 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1272.31 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 978.2 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 17:43:21,132 INFO L168 Benchmark]: Boogie Preprocessor took 178.73 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:43:21,140 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.73 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 1272.31 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 978.2 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 178.73 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 17:43:25,059 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:43:25,065 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:43:25,099 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:43:25,104 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:43:25,106 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:43:25,109 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:43:25,117 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:43:25,136 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:43:25,142 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:43:25,145 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:43:25,148 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:43:25,153 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:43:25,156 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:43:25,158 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:43:25,162 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:43:25,164 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:43:25,171 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:43:25,179 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:43:25,183 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:43:25,191 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:43:25,198 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:43:25,202 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:43:25,207 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:43:25,217 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:43:25,218 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:43:25,218 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:43:25,222 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:43:25,224 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:43:25,227 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:43:25,229 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:43:25,230 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:43:25,232 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:43:25,236 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:43:25,240 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:43:25,243 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:43:25,244 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:43:25,245 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:43:25,245 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:43:25,251 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:43:25,254 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:43:25,256 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 17:43:25,309 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:43:25,311 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:43:25,317 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:43:25,321 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:43:25,321 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:43:25,322 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:43:25,322 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:43:25,323 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:43:25,323 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:43:25,323 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:43:25,325 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:43:25,328 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:43:25,328 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:43:25,329 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:43:25,329 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:43:25,330 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:43:25,330 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:43:25,330 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:43:25,333 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:43:25,333 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:43:25,334 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:43:25,334 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:43:25,334 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:43:25,334 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:43:25,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:43:25,335 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:43:25,339 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:43:25,339 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:43:25,340 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:43:25,340 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:43:25,341 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 -> 23619599fdd38727ef203e0659e9a36fd8a9395d [2019-11-27 17:43:25,967 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:43:25,999 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:43:26,007 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:43:26,010 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:43:26,014 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:43:26,016 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/960521-1-2.i [2019-11-27 17:43:26,133 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f35c4e68d/4e06a830d472437e89af0d32570024e0/FLAG2e35bbf20 [2019-11-27 17:43:27,314 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:43:27,315 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/960521-1-2.i [2019-11-27 17:43:27,351 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f35c4e68d/4e06a830d472437e89af0d32570024e0/FLAG2e35bbf20 [2019-11-27 17:43:27,441 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f35c4e68d/4e06a830d472437e89af0d32570024e0 [2019-11-27 17:43:27,448 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:43:27,453 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:43:27,462 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:43:27,463 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:43:27,470 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:43:27,473 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:43:27" (1/1) ... [2019-11-27 17:43:27,478 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66f2a298 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:27, skipping insertion in model container [2019-11-27 17:43:27,478 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:43:27" (1/1) ... [2019-11-27 17:43:27,488 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:43:27,588 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:43:28,444 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:43:28,480 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:43:28,603 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:43:28,717 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:43:28,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:28 WrapperNode [2019-11-27 17:43:28,720 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:43:28,721 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:43:28,722 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:43:28,722 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:43:28,740 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:28" (1/1) ... [2019-11-27 17:43:28,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:28" (1/1) ... [2019-11-27 17:43:28,789 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:28" (1/1) ... [2019-11-27 17:43:28,790 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:28" (1/1) ... [2019-11-27 17:43:28,844 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:28" (1/1) ... [2019-11-27 17:43:28,864 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:28" (1/1) ... [2019-11-27 17:43:28,875 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:28" (1/1) ... [2019-11-27 17:43:28,891 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:43:28,898 INFO L168 Benchmark]: Toolchain (without parser) took 1442.11 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 978.2 MB in the end (delta: -12.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:43:28,899 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:43:28,907 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1258.15 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 978.2 MB in the end (delta: -12.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 17:43:28,911 INFO L168 Benchmark]: Boogie Preprocessor took 170.08 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:43:28,917 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 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 1258.15 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 978.2 MB in the end (delta: -12.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 170.08 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...