./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/array-memsafety/cstrncpy-alloca-2.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/cstrncpy-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 836fc197f01e8142cd1fe75cc7c363600c112d62 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/cstrncpy-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 836fc197f01e8142cd1fe75cc7c363600c112d62 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 17:42:44,387 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:42:44,393 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:42:44,418 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:42:44,420 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:42:44,422 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:42:44,425 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:42:44,455 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:42:44,457 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:42:44,462 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:42:44,465 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:42:44,471 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:42:44,472 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:42:44,478 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:42:44,482 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:42:44,486 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:42:44,490 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:42:44,492 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:42:44,497 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:42:44,507 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:42:44,515 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:42:44,521 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:42:44,524 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:42:44,528 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:42:44,535 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:42:44,536 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:42:44,536 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:42:44,540 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:42:44,543 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:42:44,544 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:42:44,545 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:42:44,546 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:42:44,548 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:42:44,551 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:42:44,554 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:42:44,557 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:42:44,558 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:42:44,559 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:42:44,559 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:42:44,561 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:42:44,566 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:42:44,567 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 17:42:44,607 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:42:44,608 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:42:44,612 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:42:44,614 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:42:44,614 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:42:44,616 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:42:44,616 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:42:44,616 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:42:44,617 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:42:44,617 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:42:44,620 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:42:44,620 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:42:44,621 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:42:44,621 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:42:44,622 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:42:44,624 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:42:44,624 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:42:44,624 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:42:44,625 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:42:44,625 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:42:44,625 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:42:44,626 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:42:44,626 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:42:44,627 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:42:44,627 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:42:44,630 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:42:44,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:42:44,630 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 -> 836fc197f01e8142cd1fe75cc7c363600c112d62 [2019-11-27 17:42:45,294 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:42:45,329 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:42:45,338 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:42:45,340 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:42:45,345 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:42:45,346 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/cstrncpy-alloca-2.i [2019-11-27 17:42:45,503 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a80b10c70/c2a9ac10fae04f379f95396807ab7519/FLAG2b906ccb4 [2019-11-27 17:42:46,715 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:42:46,718 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/cstrncpy-alloca-2.i [2019-11-27 17:42:46,754 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a80b10c70/c2a9ac10fae04f379f95396807ab7519/FLAG2b906ccb4 [2019-11-27 17:42:46,793 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a80b10c70/c2a9ac10fae04f379f95396807ab7519 [2019-11-27 17:42:46,806 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:42:46,810 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:42:46,814 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:42:46,817 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:42:46,821 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:42:46,827 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:42:46" (1/1) ... [2019-11-27 17:42:46,835 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76bb17a 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 17:42:46,835 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:42:46" (1/1) ... [2019-11-27 17:42:46,854 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:42:46,954 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:42:47,868 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:42:47,893 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:42:48,018 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:42:48,137 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:42:48,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:48 WrapperNode [2019-11-27 17:42:48,140 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:42:48,142 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:42:48,143 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:42:48,143 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:42:48,173 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:48" (1/1) ... [2019-11-27 17:42:48,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:48" (1/1) ... [2019-11-27 17:42:48,225 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:48" (1/1) ... [2019-11-27 17:42:48,227 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:48" (1/1) ... [2019-11-27 17:42:48,281 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:48" (1/1) ... [2019-11-27 17:42:48,291 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:48" (1/1) ... [2019-11-27 17:42:48,298 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:48" (1/1) ... [2019-11-27 17:42:48,317 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:42:48,329 INFO L168 Benchmark]: Toolchain (without parser) took 1512.23 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 978.2 MB in the end (delta: -12.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:42:48,343 INFO L168 Benchmark]: CDTParser took 0.63 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. [2019-11-27 17:42:48,347 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1327.33 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 978.2 MB in the end (delta: -12.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:42:48,348 INFO L168 Benchmark]: Boogie Preprocessor took 176.07 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 17:42:48,356 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63 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 1327.33 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 978.2 MB in the end (delta: -12.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 176.07 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 17:42:52,230 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:42:52,237 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:42:52,274 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:42:52,276 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:42:52,278 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:42:52,283 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:42:52,299 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:42:52,305 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:42:52,309 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:42:52,313 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:42:52,321 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:42:52,321 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:42:52,328 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:42:52,330 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:42:52,335 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:42:52,339 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:42:52,341 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:42:52,347 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:42:52,356 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:42:52,363 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:42:52,369 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:42:52,371 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:42:52,375 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:42:52,384 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:42:52,384 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:42:52,385 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:42:52,387 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:42:52,390 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:42:52,391 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:42:52,393 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:42:52,394 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:42:52,396 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:42:52,400 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:42:52,404 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:42:52,405 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:42:52,406 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:42:52,406 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:42:52,407 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:42:52,411 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:42:52,415 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:42:52,416 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 17:42:52,456 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:42:52,458 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:42:52,462 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:42:52,466 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:42:52,466 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:42:52,467 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:42:52,467 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:42:52,467 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:42:52,468 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:42:52,468 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:42:52,469 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:42:52,470 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:42:52,471 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:42:52,472 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:42:52,473 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:42:52,473 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:42:52,474 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:42:52,477 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:42:52,477 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:42:52,478 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:42:52,479 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:42:52,479 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:42:52,480 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:42:52,482 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:42:52,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:42:52,484 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:42:52,489 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:42:52,491 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:42:52,493 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:42:52,495 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:42:52,497 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 -> 836fc197f01e8142cd1fe75cc7c363600c112d62 [2019-11-27 17:42:53,126 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:42:53,157 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:42:53,164 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:42:53,170 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:42:53,171 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:42:53,172 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/cstrncpy-alloca-2.i [2019-11-27 17:42:53,334 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d72894af/40bd6edea06f4a278cadd6b81216e922/FLAG81161155c [2019-11-27 17:42:54,556 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:42:54,559 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/cstrncpy-alloca-2.i [2019-11-27 17:42:54,600 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d72894af/40bd6edea06f4a278cadd6b81216e922/FLAG81161155c [2019-11-27 17:42:54,644 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d72894af/40bd6edea06f4a278cadd6b81216e922 [2019-11-27 17:42:54,652 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:42:54,661 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:42:54,665 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:42:54,666 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:42:54,672 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:42:54,676 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:42:54" (1/1) ... [2019-11-27 17:42:54,684 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70002f10 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 17:42:54,685 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:42:54" (1/1) ... [2019-11-27 17:42:54,704 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:42:54,816 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:42:55,788 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:42:55,833 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:42:55,951 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:42:56,085 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:42:56,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:56 WrapperNode [2019-11-27 17:42:56,091 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:42:56,092 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:42:56,095 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:42:56,095 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:42:56,126 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:56" (1/1) ... [2019-11-27 17:42:56,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:56" (1/1) ... [2019-11-27 17:42:56,198 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:56" (1/1) ... [2019-11-27 17:42:56,199 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:56" (1/1) ... [2019-11-27 17:42:56,258 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:56" (1/1) ... [2019-11-27 17:42:56,278 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:56" (1/1) ... [2019-11-27 17:42:56,292 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:56" (1/1) ... [2019-11-27 17:42:56,315 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:42:56,326 INFO L168 Benchmark]: Toolchain (without parser) took 1658.91 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 973.9 MB in the end (delta: -6.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:42:56,330 INFO L168 Benchmark]: CDTParser took 0.41 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. [2019-11-27 17:42:56,332 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1426.10 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 973.9 MB in the end (delta: -6.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 17:42:56,333 INFO L168 Benchmark]: Boogie Preprocessor took 224.89 ms. Allocated memory is still 1.0 GB. Free memory is still 973.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:42:56,338 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 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 1426.10 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 973.9 MB in the end (delta: -6.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 224.89 ms. Allocated memory is still 1.0 GB. Free memory is still 973.9 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...