./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/array-memsafety/subseq-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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/array-memsafety/subseq-alloca-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 20f541ceeb4d88c1ded29d751212bcde5b7dc0f0 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/subseq-alloca-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 20f541ceeb4d88c1ded29d751212bcde5b7dc0f0 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 22:20:59,184 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:20:59,189 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:20:59,221 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:20:59,223 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:20:59,226 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:20:59,235 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:20:59,252 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:20:59,258 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:20:59,262 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:20:59,265 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:20:59,270 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:20:59,273 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:20:59,278 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:20:59,284 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:20:59,287 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:20:59,291 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:20:59,299 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:20:59,302 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:20:59,310 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:20:59,320 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:20:59,327 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:20:59,328 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:20:59,332 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:20:59,340 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:20:59,343 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:20:59,343 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:20:59,345 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:20:59,348 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:20:59,349 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:20:59,351 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:20:59,352 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:20:59,354 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:20:59,357 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:20:59,362 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:20:59,362 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:20:59,364 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:20:59,364 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:20:59,366 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:20:59,367 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:20:59,370 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:20:59,372 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-24 22:20:59,414 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:20:59,416 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:20:59,420 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:20:59,423 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:20:59,424 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:20:59,424 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:20:59,424 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:20:59,425 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:20:59,425 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:20:59,426 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:20:59,430 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:20:59,430 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:20:59,430 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:20:59,431 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:20:59,431 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:20:59,432 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:20:59,432 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:20:59,432 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:20:59,433 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:20:59,433 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:20:59,433 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:20:59,436 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:20:59,436 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:20:59,437 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:20:59,437 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:20:59,437 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 22:20:59,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 22:20:59,438 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 -> 20f541ceeb4d88c1ded29d751212bcde5b7dc0f0 [2019-11-24 22:21:00,033 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:21:00,064 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:21:00,070 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:21:00,074 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:21:00,079 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:21:00,080 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/subseq-alloca-2.i [2019-11-24 22:21:00,252 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c30ce67c9/c47d88bc6de24370b8bd1c6cbfc42c25/FLAG675847760 [2019-11-24 22:21:01,486 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:21:01,491 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/subseq-alloca-2.i [2019-11-24 22:21:01,525 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c30ce67c9/c47d88bc6de24370b8bd1c6cbfc42c25/FLAG675847760 [2019-11-24 22:21:01,561 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c30ce67c9/c47d88bc6de24370b8bd1c6cbfc42c25 [2019-11-24 22:21:01,574 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:21:01,576 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:21:01,579 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:21:01,581 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:21:01,591 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:21:01,592 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:21:01" (1/1) ... [2019-11-24 22:21:01,600 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bcb722f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:01, skipping insertion in model container [2019-11-24 22:21:01,601 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:21:01" (1/1) ... [2019-11-24 22:21:01,620 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:21:01,719 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:21:02,608 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:21:02,640 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:21:02,778 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:21:02,892 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:21:02,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:02 WrapperNode [2019-11-24 22:21:02,897 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:21:02,898 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:21:02,900 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:21:02,900 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:21:02,931 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:02" (1/1) ... [2019-11-24 22:21:02,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:02" (1/1) ... [2019-11-24 22:21:02,977 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:02" (1/1) ... [2019-11-24 22:21:02,977 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:02" (1/1) ... [2019-11-24 22:21:03,033 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:02" (1/1) ... [2019-11-24 22:21:03,047 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:02" (1/1) ... [2019-11-24 22:21:03,062 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:02" (1/1) ... [2019-11-24 22:21:03,078 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:21:03,092 INFO L168 Benchmark]: Toolchain (without parser) took 1511.55 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. [2019-11-24 22:21:03,097 INFO L168 Benchmark]: CDTParser took 0.74 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 22:21:03,101 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1319.05 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. [2019-11-24 22:21:03,103 INFO L168 Benchmark]: Boogie Preprocessor took 186.26 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. [2019-11-24 22:21:03,114 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.74 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 1319.05 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 186.26 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 0.1.24-32f2683 [2019-11-24 22:21:06,945 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:21:06,952 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:21:06,980 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:21:06,981 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:21:06,992 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:21:06,994 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:21:07,012 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:21:07,016 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:21:07,025 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:21:07,027 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:21:07,030 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:21:07,034 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:21:07,038 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:21:07,042 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:21:07,048 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:21:07,050 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:21:07,054 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:21:07,060 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:21:07,069 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:21:07,078 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:21:07,082 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:21:07,084 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:21:07,090 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:21:07,098 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:21:07,098 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:21:07,099 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:21:07,103 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:21:07,104 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:21:07,107 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:21:07,108 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:21:07,109 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:21:07,112 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:21:07,119 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:21:07,121 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:21:07,121 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:21:07,123 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:21:07,123 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:21:07,123 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:21:07,129 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:21:07,132 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:21:07,134 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-24 22:21:07,177 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:21:07,180 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:21:07,186 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:21:07,186 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:21:07,187 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:21:07,187 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:21:07,188 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:21:07,190 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:21:07,190 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:21:07,190 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:21:07,192 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:21:07,192 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:21:07,192 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:21:07,193 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:21:07,195 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:21:07,195 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:21:07,195 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 22:21:07,196 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 22:21:07,196 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:21:07,196 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:21:07,197 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:21:07,199 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:21:07,199 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:21:07,199 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:21:07,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:21:07,200 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:21:07,202 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:21:07,202 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 22:21:07,202 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 22:21:07,203 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 22:21:07,206 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 -> 20f541ceeb4d88c1ded29d751212bcde5b7dc0f0 [2019-11-24 22:21:07,854 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:21:07,888 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:21:07,895 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:21:07,901 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:21:07,901 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:21:07,903 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/subseq-alloca-2.i [2019-11-24 22:21:08,068 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/adfeb1a51/1713e1f49bfa42f9aafd934bac2c23b9/FLAG766117287 [2019-11-24 22:21:09,280 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:21:09,285 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/subseq-alloca-2.i [2019-11-24 22:21:09,337 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/adfeb1a51/1713e1f49bfa42f9aafd934bac2c23b9/FLAG766117287 [2019-11-24 22:21:09,384 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/adfeb1a51/1713e1f49bfa42f9aafd934bac2c23b9 [2019-11-24 22:21:09,395 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:21:09,403 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:21:09,405 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:21:09,407 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:21:09,416 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:21:09,417 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:21:09" (1/1) ... [2019-11-24 22:21:09,421 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bcb722f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:09, skipping insertion in model container [2019-11-24 22:21:09,422 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:21:09" (1/1) ... [2019-11-24 22:21:09,445 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:21:09,555 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:21:10,489 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:21:10,527 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:21:10,687 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:21:10,775 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:21:10,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:10 WrapperNode [2019-11-24 22:21:10,779 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:21:10,779 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:21:10,783 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:21:10,783 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:21:10,807 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:10" (1/1) ... [2019-11-24 22:21:10,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:10" (1/1) ... [2019-11-24 22:21:10,865 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:10" (1/1) ... [2019-11-24 22:21:10,869 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:10" (1/1) ... [2019-11-24 22:21:10,931 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:10" (1/1) ... [2019-11-24 22:21:10,949 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:10" (1/1) ... [2019-11-24 22:21:10,969 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:10" (1/1) ... [2019-11-24 22:21:10,992 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:21:11,000 INFO L168 Benchmark]: Toolchain (without parser) took 1596.84 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 978.2 MB in the end (delta: -10.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:21:11,006 INFO L168 Benchmark]: CDTParser took 0.45 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:21:11,009 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1373.76 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 978.2 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-24 22:21:11,014 INFO L168 Benchmark]: Boogie Preprocessor took 214.40 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. [2019-11-24 22:21:11,019 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1373.76 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 978.2 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 214.40 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...