./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/array-memsafety/cstrlen_unsafe.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/array-memsafety/cstrlen_unsafe.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 15362e3354379e86b7768de02eb760f50ed72879 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/array-memsafety/cstrlen_unsafe.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 15362e3354379e86b7768de02eb760f50ed72879 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 17:42:44,041 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:42:44,047 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:42:44,081 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:42:44,082 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:42:44,085 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:42:44,090 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:42:44,108 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:42:44,113 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:42:44,119 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:42:44,120 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:42:44,124 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:42:44,126 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:42:44,131 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:42:44,136 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:42:44,139 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:42:44,141 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:42:44,147 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:42:44,153 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:42:44,162 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:42:44,169 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:42:44,177 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:42:44,179 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:42:44,184 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:42:44,194 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:42:44,194 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:42:44,195 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:42:44,197 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:42:44,198 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:42:44,201 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:42:44,203 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:42:44,204 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:42:44,206 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:42:44,211 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:42:44,213 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:42:44,214 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:42:44,216 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:42:44,220 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:42:44,220 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:42:44,222 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:42:44,223 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:42:44,225 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 17:42:44,267 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:42:44,267 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:42:44,270 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:42:44,275 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:42:44,275 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:42:44,276 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:42:44,276 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:42:44,276 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:42:44,276 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:42:44,277 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:42:44,278 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:42:44,278 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:42:44,279 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:42:44,279 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:42:44,281 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:42:44,281 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:42:44,281 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:42:44,282 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:42:44,284 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:42:44,284 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:42:44,285 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:42:44,285 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:42:44,285 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:42:44,286 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:42:44,286 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:42:44,289 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:42:44,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:42:44,290 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 -> 15362e3354379e86b7768de02eb760f50ed72879 [2019-11-27 17:42:44,876 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:42:44,908 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:42:44,914 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:42:44,919 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:42:44,919 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:42:44,920 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/cstrlen_unsafe.i [2019-11-27 17:42:45,082 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/430ba42aa/698ec77a61fa4609ad584ae6c26dcf3b/FLAG4b4eabcdb [2019-11-27 17:42:46,301 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:42:46,304 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/cstrlen_unsafe.i [2019-11-27 17:42:46,340 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/430ba42aa/698ec77a61fa4609ad584ae6c26dcf3b/FLAG4b4eabcdb [2019-11-27 17:42:46,379 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/430ba42aa/698ec77a61fa4609ad584ae6c26dcf3b [2019-11-27 17:42:46,388 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:42:46,395 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:42:46,397 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:42:46,401 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:42:46,409 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:42:46,411 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:42:46" (1/1) ... [2019-11-27 17:42:46,415 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7825ed55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:46, skipping insertion in model container [2019-11-27 17:42:46,416 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:42:46" (1/1) ... [2019-11-27 17:42:46,432 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:42:46,540 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:42:47,288 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:42:47,303 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:42:47,433 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:42:47,558 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:42:47,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:47 WrapperNode [2019-11-27 17:42:47,562 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:42:47,566 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:42:47,566 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:42:47,567 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:42:47,599 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:47" (1/1) ... [2019-11-27 17:42:47,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:47" (1/1) ... [2019-11-27 17:42:47,653 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:47" (1/1) ... [2019-11-27 17:42:47,654 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:47" (1/1) ... [2019-11-27 17:42:47,705 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:47" (1/1) ... [2019-11-27 17:42:47,717 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:47" (1/1) ... [2019-11-27 17:42:47,732 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:47" (1/1) ... [2019-11-27 17:42:47,746 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:42:47,756 INFO L168 Benchmark]: Toolchain (without parser) took 1358.22 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.2 MB in the end (delta: -16.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:42:47,770 INFO L168 Benchmark]: CDTParser took 1.72 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 17:42:47,774 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1166.82 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:42:47,775 INFO L168 Benchmark]: Boogie Preprocessor took 180.86 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:42:47,784 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.72 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 1166.82 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 180.86 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 17:42:51,624 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:42:51,632 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:42:51,667 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:42:51,668 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:42:51,673 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:42:51,675 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:42:51,694 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:42:51,697 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:42:51,704 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:42:51,706 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:42:51,711 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:42:51,712 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:42:51,716 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:42:51,724 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:42:51,733 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:42:51,735 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:42:51,740 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:42:51,749 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:42:51,759 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:42:51,769 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:42:51,778 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:42:51,780 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:42:51,782 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:42:51,789 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:42:51,791 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:42:51,791 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:42:51,795 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:42:51,796 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:42:51,800 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:42:51,800 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:42:51,801 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:42:51,804 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:42:51,806 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:42:51,810 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:42:51,811 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:42:51,812 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:42:51,814 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:42:51,814 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:42:51,817 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:42:51,822 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:42:51,823 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 17:42:51,862 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:42:51,864 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:42:51,869 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:42:51,872 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:42:51,872 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:42:51,873 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:42:51,873 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:42:51,873 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:42:51,874 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:42:51,874 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:42:51,875 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:42:51,877 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:42:51,877 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:42:51,878 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:42:51,880 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:42:51,880 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:42:51,880 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:42:51,881 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:42:51,881 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:42:51,881 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:42:51,882 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:42:51,885 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:42:51,885 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:42:51,885 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:42:51,886 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:42:51,886 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:42:51,886 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:42:51,887 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:42:51,887 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:42:51,887 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:42:51,889 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 -> 15362e3354379e86b7768de02eb760f50ed72879 [2019-11-27 17:42:52,449 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:42:52,477 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:42:52,487 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:42:52,491 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:42:52,492 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:42:52,495 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/cstrlen_unsafe.i [2019-11-27 17:42:52,668 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b170e01de/eeaed3b3e9d4486db9aba3f69b151478/FLAG6e8654660 [2019-11-27 17:42:53,881 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:42:53,882 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/cstrlen_unsafe.i [2019-11-27 17:42:53,926 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b170e01de/eeaed3b3e9d4486db9aba3f69b151478/FLAG6e8654660 [2019-11-27 17:42:53,983 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b170e01de/eeaed3b3e9d4486db9aba3f69b151478 [2019-11-27 17:42:53,988 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:42:53,993 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:42:54,006 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:42:54,007 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:42:54,013 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:42:54,017 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:42:53" (1/1) ... [2019-11-27 17:42:54,021 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1200897d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:54, skipping insertion in model container [2019-11-27 17:42:54,022 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:42:53" (1/1) ... [2019-11-27 17:42:54,031 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:42:54,140 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:42:55,018 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:42:55,037 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:42:55,126 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:42:55,210 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:42:55,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:55 WrapperNode [2019-11-27 17:42:55,212 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:42:55,212 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:42:55,212 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:42:55,213 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:42:55,225 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:55" (1/1) ... [2019-11-27 17:42:55,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:55" (1/1) ... [2019-11-27 17:42:55,258 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:55" (1/1) ... [2019-11-27 17:42:55,258 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:55" (1/1) ... [2019-11-27 17:42:55,311 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:55" (1/1) ... [2019-11-27 17:42:55,335 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:55" (1/1) ... [2019-11-27 17:42:55,347 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:55" (1/1) ... [2019-11-27 17:42:55,362 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:42:55,372 INFO L168 Benchmark]: Toolchain (without parser) took 1375.11 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.2 MB in the end (delta: -16.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:42:55,377 INFO L168 Benchmark]: CDTParser took 1.77 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 17:42:55,386 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1206.04 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 17:42:55,387 INFO L168 Benchmark]: Boogie Preprocessor took 152.42 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:42:55,394 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.77 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 1206.04 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 152.42 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...