./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/termination-crafted/Ackermann-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 32f26835 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/termination-crafted/Ackermann-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-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 64bit --witnessprinter.graph.data.programhash 5ecb2c96c3072d53870105e0fcaf3f74cb197e51 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/termination-crafted/Ackermann-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-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 64bit --witnessprinter.graph.data.programhash 5ecb2c96c3072d53870105e0fcaf3f74cb197e51 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 22:24:10,133 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:24:10,139 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:24:10,163 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:24:10,165 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:24:10,167 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:24:10,170 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:24:10,198 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:24:10,200 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:24:10,209 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:24:10,212 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:24:10,214 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:24:10,219 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:24:10,223 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:24:10,228 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:24:10,231 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:24:10,235 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:24:10,237 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:24:10,242 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:24:10,252 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:24:10,262 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:24:10,267 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:24:10,274 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:24:10,276 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:24:10,285 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:24:10,286 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:24:10,286 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:24:10,291 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:24:10,292 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:24:10,295 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:24:10,297 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:24:10,298 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:24:10,301 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:24:10,303 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:24:10,307 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:24:10,308 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:24:10,310 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:24:10,314 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:24:10,314 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:24:10,316 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:24:10,318 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:24:10,321 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2019-11-24 22:24:10,360 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:24:10,363 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:24:10,367 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:24:10,369 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:24:10,369 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:24:10,372 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:24:10,372 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:24:10,373 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:24:10,373 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:24:10,373 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:24:10,375 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:24:10,375 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:24:10,375 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:24:10,377 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:24:10,377 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:24:10,378 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:24:10,380 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:24:10,380 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:24:10,380 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:24:10,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:24:10,381 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:24:10,383 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:24:10,383 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 22:24:10,383 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 22:24:10,384 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ecb2c96c3072d53870105e0fcaf3f74cb197e51 [2019-11-24 22:24:10,972 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:24:11,005 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:24:11,011 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:24:11,015 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:24:11,017 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:24:11,019 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/Ackermann-2.c [2019-11-24 22:24:11,183 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b26bfb6e/5dde4f79a65449e7bc1b620b2ce8bf8f/FLAG0876530d5 [2019-11-24 22:24:12,259 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:24:12,261 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/Ackermann-2.c [2019-11-24 22:24:12,277 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b26bfb6e/5dde4f79a65449e7bc1b620b2ce8bf8f/FLAG0876530d5 [2019-11-24 22:24:12,320 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b26bfb6e/5dde4f79a65449e7bc1b620b2ce8bf8f [2019-11-24 22:24:12,330 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:24:12,332 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:24:12,340 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:24:12,340 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:24:12,345 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:24:12,351 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:24:12" (1/1) ... [2019-11-24 22:24:12,358 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c002b55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:24:12, skipping insertion in model container [2019-11-24 22:24:12,359 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:24:12" (1/1) ... [2019-11-24 22:24:12,380 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:24:12,426 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:24:12,840 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:24:12,848 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:24:12,874 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:24:12,895 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:24:12,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:24:12 WrapperNode [2019-11-24 22:24:12,897 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:24:12,898 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:24:12,898 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:24:12,899 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:24:12,915 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:24:12" (1/1) ... [2019-11-24 22:24:12,916 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:24:12" (1/1) ... [2019-11-24 22:24:13,012 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:24:12" (1/1) ... [2019-11-24 22:24:13,013 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:24:12" (1/1) ... [2019-11-24 22:24:13,021 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:24:12" (1/1) ... [2019-11-24 22:24:13,028 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:24:12" (1/1) ... [2019-11-24 22:24:13,030 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:24:12" (1/1) ... [2019-11-24 22:24:13,045 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:24:13,058 INFO L168 Benchmark]: Toolchain (without parser) took 722.56 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.2 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-24 22:24:13,063 INFO L168 Benchmark]: CDTParser took 1.29 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:24:13,072 INFO L168 Benchmark]: CACSL2BoogieTranslator took 557.90 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-24 22:24:13,079 INFO L168 Benchmark]: Boogie Preprocessor took 153.65 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 991.2 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-24 22:24:13,091 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.29 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 557.90 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 153.65 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 991.2 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 22:24:17,004 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:24:17,011 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:24:17,046 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:24:17,048 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:24:17,053 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:24:17,056 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:24:17,072 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:24:17,076 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:24:17,082 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:24:17,085 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:24:17,091 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:24:17,092 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:24:17,097 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:24:17,100 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:24:17,103 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:24:17,107 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:24:17,112 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:24:17,117 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:24:17,125 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:24:17,133 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:24:17,142 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:24:17,143 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:24:17,145 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:24:17,155 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:24:17,156 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:24:17,156 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:24:17,158 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:24:17,161 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:24:17,162 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:24:17,164 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:24:17,165 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:24:17,167 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:24:17,173 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:24:17,175 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:24:17,175 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:24:17,178 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:24:17,180 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:24:17,180 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:24:17,181 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:24:17,184 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:24:17,186 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2019-11-24 22:24:17,226 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:24:17,228 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:24:17,232 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:24:17,234 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:24:17,234 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:24:17,235 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:24:17,235 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:24:17,235 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:24:17,237 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:24:17,237 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:24:17,238 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:24:17,239 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:24:17,240 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:24:17,240 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:24:17,241 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 22:24:17,243 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 22:24:17,243 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:24:17,243 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:24:17,244 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:24:17,244 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:24:17,244 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:24:17,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:24:17,246 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:24:17,246 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:24:17,248 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 22:24:17,248 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 22:24:17,248 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 22:24:17,249 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ecb2c96c3072d53870105e0fcaf3f74cb197e51 [2019-11-24 22:24:17,822 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:24:17,851 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:24:17,859 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:24:17,861 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:24:17,864 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:24:17,865 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/Ackermann-2.c [2019-11-24 22:24:18,026 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b08b254dd/6c053abb061e45d0ac14f36c9388077a/FLAG7954d5c55 [2019-11-24 22:24:19,076 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:24:19,077 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/Ackermann-2.c [2019-11-24 22:24:19,093 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b08b254dd/6c053abb061e45d0ac14f36c9388077a/FLAG7954d5c55 [2019-11-24 22:24:19,135 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b08b254dd/6c053abb061e45d0ac14f36c9388077a [2019-11-24 22:24:19,143 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:24:19,149 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:24:19,155 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:24:19,155 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:24:19,162 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:24:19,167 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:24:19" (1/1) ... [2019-11-24 22:24:19,176 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c002b55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:24:19, skipping insertion in model container [2019-11-24 22:24:19,176 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:24:19" (1/1) ... [2019-11-24 22:24:19,196 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:24:19,241 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:24:19,709 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:24:19,722 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:24:19,773 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:24:19,807 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:24:19,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:24:19 WrapperNode [2019-11-24 22:24:19,808 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:24:19,810 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:24:19,810 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:24:19,810 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:24:19,935 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:24:19" (1/1) ... [2019-11-24 22:24:19,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:24:19" (1/1) ... [2019-11-24 22:24:19,957 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:24:19" (1/1) ... [2019-11-24 22:24:19,960 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:24:19" (1/1) ... [2019-11-24 22:24:19,984 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:24:19" (1/1) ... [2019-11-24 22:24:19,992 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:24:19" (1/1) ... [2019-11-24 22:24:19,994 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:24:19" (1/1) ... [2019-11-24 22:24:20,004 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:24:20,017 INFO L168 Benchmark]: Toolchain (without parser) took 860.27 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.3 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-24 22:24:20,020 INFO L168 Benchmark]: CDTParser took 2.85 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:24:20,025 INFO L168 Benchmark]: CACSL2BoogieTranslator took 657.55 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-24 22:24:20,027 INFO L168 Benchmark]: Boogie Preprocessor took 196.13 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 991.3 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-24 22:24:20,041 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.85 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 657.55 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 196.13 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 991.3 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...