./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/termination-crafted/Division-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 025d5a27 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/Division-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 d089d3bcb050ed43a9f47a1e8909790d01358f90 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/Division-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 d089d3bcb050ed43a9f47a1e8909790d01358f90 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:58:57,107 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:58:57,113 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:58:57,149 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:58:57,150 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:58:57,152 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:58:57,156 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:58:57,175 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:58:57,178 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:58:57,183 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:58:57,185 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:58:57,191 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:58:57,193 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:58:57,199 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:58:57,204 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:58:57,206 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:58:57,211 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:58:57,214 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:58:57,219 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:58:57,227 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:58:57,235 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:58:57,242 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:58:57,247 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:58:57,249 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:58:57,257 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:58:57,257 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:58:57,257 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:58:57,262 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:58:57,263 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:58:57,264 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:58:57,267 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:58:57,268 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:58:57,269 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:58:57,273 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:58:57,275 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:58:57,275 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:58:57,278 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:58:57,279 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:58:57,279 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:58:57,280 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:58:57,284 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:58:57,285 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2019-11-26 17:58:57,325 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:58:57,326 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:58:57,331 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:58:57,332 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:58:57,332 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:58:57,332 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:58:57,333 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 17:58:57,333 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:58:57,333 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:58:57,335 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 17:58:57,336 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 17:58:57,337 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 17:58:57,337 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:58:57,340 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 17:58:57,340 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:58:57,341 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:58:57,341 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:58:57,341 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:58:57,342 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:58:57,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:58:57,342 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:58:57,343 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:58:57,343 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:58:57,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:58:57,345 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 -> d089d3bcb050ed43a9f47a1e8909790d01358f90 [2019-11-26 17:58:57,919 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:58:57,948 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:58:57,955 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:58:57,959 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:58:57,960 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:58:57,961 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/Division-2.c [2019-11-26 17:58:58,125 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60b0698ad/b7d13b1d84fa4a569d6573ede78784c2/FLAG0c89aa755 [2019-11-26 17:58:59,176 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:58:59,178 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/Division-2.c [2019-11-26 17:58:59,196 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60b0698ad/b7d13b1d84fa4a569d6573ede78784c2/FLAG0c89aa755 [2019-11-26 17:58:59,237 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60b0698ad/b7d13b1d84fa4a569d6573ede78784c2 [2019-11-26 17:58:59,245 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:58:59,249 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 17:58:59,251 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:58:59,253 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:58:59,262 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:58:59,263 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:58:59" (1/1) ... [2019-11-26 17:58:59,272 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@549c264 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:59, skipping insertion in model container [2019-11-26 17:58:59,273 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:58:59" (1/1) ... [2019-11-26 17:58:59,293 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:58:59,336 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:58:59,790 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:58:59,807 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:58:59,841 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:58:59,875 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:58:59,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:59 WrapperNode [2019-11-26 17:58:59,880 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:58:59,881 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:58:59,881 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:58:59,881 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:58:59,911 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:59" (1/1) ... [2019-11-26 17:58:59,916 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:59" (1/1) ... [2019-11-26 17:58:59,925 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:59" (1/1) ... [2019-11-26 17:58:59,928 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:59" (1/1) ... [2019-11-26 17:59:00,018 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:59" (1/1) ... [2019-11-26 17:59:00,024 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:59" (1/1) ... [2019-11-26 17:59:00,030 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:59" (1/1) ... [2019-11-26 17:59:00,031 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:59:00,044 INFO L168 Benchmark]: Toolchain (without parser) took 786.56 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 997.0 MB in the end (delta: -35.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-26 17:59:00,048 INFO L168 Benchmark]: CDTParser took 3.49 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. [2019-11-26 17:59:00,050 INFO L168 Benchmark]: CACSL2BoogieTranslator took 629.28 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. [2019-11-26 17:59:00,053 INFO L168 Benchmark]: Boogie Preprocessor took 152.49 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 997.0 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-26 17:59:00,065 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.49 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 629.28 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 152.49 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 997.0 MB in the end (delta: -46.7 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 0.1.24-025d5a2 [2019-11-26 17:59:03,990 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:59:03,996 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:59:04,028 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:59:04,029 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:59:04,032 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:59:04,042 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:59:04,057 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:59:04,062 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:59:04,068 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:59:04,070 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:59:04,075 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:59:04,079 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:59:04,083 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:59:04,085 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:59:04,090 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:59:04,095 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:59:04,098 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:59:04,103 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:59:04,113 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:59:04,119 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:59:04,128 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:59:04,129 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:59:04,134 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:59:04,142 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:59:04,143 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:59:04,145 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:59:04,147 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:59:04,150 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:59:04,151 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:59:04,155 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:59:04,156 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:59:04,157 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:59:04,158 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:59:04,163 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:59:04,164 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:59:04,165 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:59:04,166 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:59:04,168 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:59:04,169 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:59:04,172 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:59:04,173 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2019-11-26 17:59:04,217 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:59:04,218 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:59:04,224 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:59:04,225 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:59:04,225 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:59:04,226 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:59:04,226 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 17:59:04,226 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:59:04,227 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:59:04,227 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 17:59:04,228 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 17:59:04,230 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 17:59:04,230 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:59:04,231 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 17:59:04,233 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:59:04,233 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:59:04,234 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:59:04,234 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:59:04,234 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:59:04,236 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:59:04,236 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:59:04,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:59:04,239 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:59:04,239 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:59:04,240 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:59:04,240 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:59:04,240 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:59:04,241 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 -> d089d3bcb050ed43a9f47a1e8909790d01358f90 [2019-11-26 17:59:04,857 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:59:04,887 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:59:04,891 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:59:04,898 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:59:04,899 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:59:04,900 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/Division-2.c [2019-11-26 17:59:05,060 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58d35376e/7753f2c7278d44e7871fd5cfa6206143/FLAGf9686573d [2019-11-26 17:59:06,110 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:59:06,111 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/Division-2.c [2019-11-26 17:59:06,127 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58d35376e/7753f2c7278d44e7871fd5cfa6206143/FLAGf9686573d [2019-11-26 17:59:06,167 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58d35376e/7753f2c7278d44e7871fd5cfa6206143 [2019-11-26 17:59:06,176 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:59:06,179 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 17:59:06,184 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:59:06,185 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:59:06,192 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:59:06,196 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:59:06" (1/1) ... [2019-11-26 17:59:06,203 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66078fce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:06, skipping insertion in model container [2019-11-26 17:59:06,206 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:59:06" (1/1) ... [2019-11-26 17:59:06,224 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:59:06,265 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:59:06,684 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:59:06,699 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:59:06,723 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:59:06,737 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:59:06,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:06 WrapperNode [2019-11-26 17:59:06,738 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:59:06,740 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:59:06,740 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:59:06,740 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:59:06,812 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:06" (1/1) ... [2019-11-26 17:59:06,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:06" (1/1) ... [2019-11-26 17:59:06,824 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:06" (1/1) ... [2019-11-26 17:59:06,827 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:06" (1/1) ... [2019-11-26 17:59:06,835 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:06" (1/1) ... [2019-11-26 17:59:06,844 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:06" (1/1) ... [2019-11-26 17:59:06,845 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:06" (1/1) ... [2019-11-26 17:59:06,850 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:59:06,860 INFO L168 Benchmark]: Toolchain (without parser) took 674.23 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 997.0 MB in the end (delta: -35.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-26 17:59:06,868 INFO L168 Benchmark]: CDTParser took 2.13 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. [2019-11-26 17:59:06,871 INFO L168 Benchmark]: CACSL2BoogieTranslator took 555.06 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. [2019-11-26 17:59:06,876 INFO L168 Benchmark]: Boogie Preprocessor took 110.53 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 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-26 17:59:06,888 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.13 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 555.06 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 110.53 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 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...