./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/memsafety/960521-1-1.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/memsafety/960521-1-1.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 fc8a1920b7e9975b4791119a88b50bea9dd9cddc ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/960521-1-1.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 fc8a1920b7e9975b4791119a88b50bea9dd9cddc .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 11:20:51,138 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:20:51,141 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:20:51,170 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:20:51,171 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:20:51,182 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:20:51,186 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:20:51,203 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:20:51,206 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:20:51,214 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:20:51,215 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:20:51,222 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:20:51,223 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:20:51,230 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:20:51,232 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:20:51,236 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:20:51,240 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:20:51,245 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:20:51,249 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:20:51,260 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:20:51,266 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:20:51,273 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:20:51,276 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:20:51,283 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:20:51,287 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:20:51,289 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:20:51,289 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:20:51,293 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:20:51,294 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:20:51,298 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:20:51,298 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:20:51,299 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:20:51,300 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:20:51,304 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:20:51,308 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:20:51,309 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:20:51,310 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:20:51,310 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:20:51,311 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:20:51,314 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:20:51,317 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:20:51,318 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 11:20:51,357 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:20:51,358 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:20:51,364 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:20:51,368 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:20:51,369 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:20:51,369 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:20:51,369 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:20:51,370 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:20:51,370 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:20:51,370 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:20:51,371 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:20:51,372 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:20:51,372 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:20:51,373 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:20:51,375 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:20:51,375 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:20:51,375 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:20:51,376 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:20:51,376 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:20:51,378 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:20:51,378 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:20:51,378 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:20:51,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:20:51,381 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:20:51,381 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:20:51,382 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 11:20:51,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 11:20:51,382 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 -> fc8a1920b7e9975b4791119a88b50bea9dd9cddc [2019-11-27 11:20:51,927 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:20:51,960 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:20:51,966 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:20:51,971 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:20:51,972 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:20:51,973 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/960521-1-1.i [2019-11-27 11:20:52,133 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91395ad12/defd8142445446229d61a5624fa910d1/FLAGcd08c9fd9 [2019-11-27 11:20:53,391 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:20:53,395 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/960521-1-1.i [2019-11-27 11:20:53,432 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91395ad12/defd8142445446229d61a5624fa910d1/FLAGcd08c9fd9 [2019-11-27 11:20:53,474 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91395ad12/defd8142445446229d61a5624fa910d1 [2019-11-27 11:20:53,481 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:20:53,484 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:20:53,489 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:20:53,491 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:20:53,497 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:20:53,502 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:20:53" (1/1) ... [2019-11-27 11:20:53,511 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@567e1af6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:53, skipping insertion in model container [2019-11-27 11:20:53,512 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:20:53" (1/1) ... [2019-11-27 11:20:53,531 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:20:53,631 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:20:54,557 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:20:54,587 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:20:54,716 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:20:54,843 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:20:54,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:54 WrapperNode [2019-11-27 11:20:54,847 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:20:54,847 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:20:54,848 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:20:54,849 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:20:54,873 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:54" (1/1) ... [2019-11-27 11:20:54,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:54" (1/1) ... [2019-11-27 11:20:54,917 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:54" (1/1) ... [2019-11-27 11:20:54,918 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:54" (1/1) ... [2019-11-27 11:20:54,946 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:54" (1/1) ... [2019-11-27 11:20:54,966 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:54" (1/1) ... [2019-11-27 11:20:54,973 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:54" (1/1) ... [2019-11-27 11:20:54,984 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:20:54,993 INFO L168 Benchmark]: Toolchain (without parser) took 1505.25 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 978.3 MB in the end (delta: -18.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:20:55,004 INFO L168 Benchmark]: CDTParser took 2.17 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 11:20:55,009 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1357.91 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 978.3 MB in the end (delta: -18.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:20:55,010 INFO L168 Benchmark]: Boogie Preprocessor took 139.39 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. [2019-11-27 11:20:55,019 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.17 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 1357.91 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 978.3 MB in the end (delta: -18.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 139.39 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-da95e15 [2019-11-27 11:20:58,865 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:20:58,871 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:20:58,904 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:20:58,905 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:20:58,908 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:20:58,910 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:20:58,929 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:20:58,938 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:20:58,943 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:20:58,948 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:20:58,952 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:20:58,954 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:20:58,961 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:20:58,971 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:20:58,974 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:20:58,975 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:20:58,978 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:20:58,983 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:20:58,993 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:20:59,001 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:20:59,008 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:20:59,012 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:20:59,014 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:20:59,022 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:20:59,024 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:20:59,024 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:20:59,028 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:20:59,029 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:20:59,030 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:20:59,033 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:20:59,034 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:20:59,035 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:20:59,039 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:20:59,040 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:20:59,043 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:20:59,044 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:20:59,045 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:20:59,045 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:20:59,046 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:20:59,050 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:20:59,051 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 11:20:59,090 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:20:59,092 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:20:59,096 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:20:59,098 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:20:59,098 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:20:59,099 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:20:59,101 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:20:59,101 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:20:59,101 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:20:59,102 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:20:59,103 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:20:59,103 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:20:59,106 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:20:59,106 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:20:59,107 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:20:59,107 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:20:59,107 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 11:20:59,108 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 11:20:59,108 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:20:59,109 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:20:59,109 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:20:59,111 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:20:59,111 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:20:59,111 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:20:59,112 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:20:59,114 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:20:59,114 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:20:59,115 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 11:20:59,115 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 11:20:59,115 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 11:20:59,116 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 -> fc8a1920b7e9975b4791119a88b50bea9dd9cddc [2019-11-27 11:20:59,795 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:20:59,827 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:20:59,834 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:20:59,836 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:20:59,839 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:20:59,841 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/960521-1-1.i [2019-11-27 11:20:59,997 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c1dd417d/dc4f216f08854ae883bc64504e74e7a8/FLAGf53406184 [2019-11-27 11:21:01,233 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:21:01,237 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/960521-1-1.i [2019-11-27 11:21:01,274 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c1dd417d/dc4f216f08854ae883bc64504e74e7a8/FLAGf53406184 [2019-11-27 11:21:01,311 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c1dd417d/dc4f216f08854ae883bc64504e74e7a8 [2019-11-27 11:21:01,323 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:21:01,328 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:21:01,333 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:21:01,337 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:21:01,342 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:21:01,344 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:21:01" (1/1) ... [2019-11-27 11:21:01,353 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7694153d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:01, skipping insertion in model container [2019-11-27 11:21:01,356 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:21:01" (1/1) ... [2019-11-27 11:21:01,383 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:21:01,495 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:21:02,406 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:21:02,435 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:21:02,550 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:21:02,676 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:21:02,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:02 WrapperNode [2019-11-27 11:21:02,681 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:21:02,682 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:21:02,682 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:21:02,682 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:21:02,718 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:02" (1/1) ... [2019-11-27 11:21:02,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:02" (1/1) ... [2019-11-27 11:21:02,773 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:02" (1/1) ... [2019-11-27 11:21:02,775 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:02" (1/1) ... [2019-11-27 11:21:02,833 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:02" (1/1) ... [2019-11-27 11:21:02,857 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:02" (1/1) ... [2019-11-27 11:21:02,865 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:02" (1/1) ... [2019-11-27 11:21:02,881 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:21:02,890 INFO L168 Benchmark]: Toolchain (without parser) took 1559.25 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 973.8 MB in the end (delta: -12.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:21:02,892 INFO L168 Benchmark]: CDTParser took 2.56 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 11:21:02,899 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1348.76 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 973.8 MB in the end (delta: -12.1 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. [2019-11-27 11:21:02,900 INFO L168 Benchmark]: Boogie Preprocessor took 200.74 ms. Allocated memory is still 1.0 GB. Free memory is still 973.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:21:02,907 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.56 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 1348.76 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 973.8 MB in the end (delta: -12.1 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 200.74 ms. Allocated memory is still 1.0 GB. Free memory is still 973.8 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...