./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/array-memsafety/openbsd_cstrcpy-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/openbsd_cstrcpy-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 5731971c09a136eb079f9cbecfc34cb6e82f7a1b .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/openbsd_cstrcpy-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 5731971c09a136eb079f9cbecfc34cb6e82f7a1b ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 22:20:44,570 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:20:44,576 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:20:44,609 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:20:44,613 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:20:44,615 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:20:44,619 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:20:44,632 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:20:44,641 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:20:44,647 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:20:44,649 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:20:44,654 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:20:44,655 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:20:44,660 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:20:44,662 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:20:44,664 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:20:44,668 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:20:44,669 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:20:44,676 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:20:44,682 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:20:44,690 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:20:44,697 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:20:44,698 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:20:44,702 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:20:44,710 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:20:44,711 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:20:44,711 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:20:44,715 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:20:44,715 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:20:44,720 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:20:44,720 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:20:44,721 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:20:44,725 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:20:44,726 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:20:44,731 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:20:44,732 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:20:44,733 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:20:44,735 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:20:44,735 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:20:44,736 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:20:44,739 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:20:44,741 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-24 22:20:44,799 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:20:44,801 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:20:44,805 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:20:44,810 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:20:44,810 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:20:44,814 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:20:44,814 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:20:44,815 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:20:44,815 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:20:44,815 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:20:44,816 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:20:44,818 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:20:44,818 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:20:44,819 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:20:44,819 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:20:44,819 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:20:44,821 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:20:44,821 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:20:44,821 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:20:44,824 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:20:44,824 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:20:44,825 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:20:44,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:20:44,826 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:20:44,829 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:20:44,829 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 22:20:44,830 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 22:20:44,830 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 -> 5731971c09a136eb079f9cbecfc34cb6e82f7a1b [2019-11-24 22:20:45,436 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:20:45,465 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:20:45,473 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:20:45,479 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:20:45,480 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:20:45,481 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/openbsd_cstrcpy-alloca-2.i [2019-11-24 22:20:45,646 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6db6474c5/55f4d29c36bd4200b65d6100003a45ad/FLAGb67873bee [2019-11-24 22:20:46,902 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:20:46,904 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/openbsd_cstrcpy-alloca-2.i [2019-11-24 22:20:46,944 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6db6474c5/55f4d29c36bd4200b65d6100003a45ad/FLAGb67873bee [2019-11-24 22:20:46,979 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6db6474c5/55f4d29c36bd4200b65d6100003a45ad [2019-11-24 22:20:46,989 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:20:46,996 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:20:46,999 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:20:47,001 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:20:47,010 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:20:47,011 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:20:46" (1/1) ... [2019-11-24 22:20:47,020 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60d4ca91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:47, skipping insertion in model container [2019-11-24 22:20:47,020 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:20:46" (1/1) ... [2019-11-24 22:20:47,041 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:20:47,140 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:20:48,076 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:20:48,106 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:20:48,243 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:20:48,359 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:20:48,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:48 WrapperNode [2019-11-24 22:20:48,366 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:20:48,367 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:20:48,370 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:20:48,370 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:20:48,401 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:48" (1/1) ... [2019-11-24 22:20:48,401 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:48" (1/1) ... [2019-11-24 22:20:48,445 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:48" (1/1) ... [2019-11-24 22:20:48,445 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:48" (1/1) ... [2019-11-24 22:20:48,508 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:48" (1/1) ... [2019-11-24 22:20:48,519 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:48" (1/1) ... [2019-11-24 22:20:48,536 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:48" (1/1) ... [2019-11-24 22:20:48,553 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:20:48,559 INFO L168 Benchmark]: Toolchain (without parser) took 1560.77 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 973.9 MB in the end (delta: -12.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:20:48,576 INFO L168 Benchmark]: CDTParser took 2.77 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. [2019-11-24 22:20:48,580 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1367.46 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 973.9 MB in the end (delta: -12.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 22:20:48,581 INFO L168 Benchmark]: Boogie Preprocessor took 186.18 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. [2019-11-24 22:20:48,591 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.77 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 1367.46 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 973.9 MB in the end (delta: -12.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 186.18 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... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 22:20:52,437 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:20:52,442 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:20:52,478 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:20:52,479 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:20:52,480 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:20:52,484 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:20:52,500 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:20:52,508 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:20:52,513 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:20:52,515 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:20:52,520 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:20:52,523 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:20:52,527 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:20:52,532 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:20:52,534 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:20:52,538 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:20:52,540 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:20:52,547 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:20:52,551 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:20:52,558 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:20:52,567 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:20:52,568 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:20:52,571 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:20:52,580 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:20:52,581 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:20:52,581 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:20:52,587 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:20:52,588 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:20:52,589 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:20:52,592 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:20:52,593 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:20:52,594 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:20:52,598 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:20:52,600 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:20:52,601 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:20:52,605 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:20:52,605 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:20:52,606 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:20:52,607 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:20:52,610 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:20:52,612 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-24 22:20:52,665 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:20:52,671 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:20:52,674 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:20:52,678 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:20:52,681 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:20:52,681 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:20:52,682 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:20:52,682 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:20:52,682 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:20:52,682 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:20:52,684 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:20:52,684 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:20:52,684 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:20:52,687 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:20:52,688 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:20:52,689 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:20:52,689 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 22:20:52,689 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 22:20:52,690 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:20:52,690 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:20:52,690 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:20:52,693 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:20:52,693 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:20:52,694 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:20:52,694 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:20:52,695 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:20:52,695 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:20:52,695 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 22:20:52,698 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 22:20:52,698 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 22:20:52,700 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 -> 5731971c09a136eb079f9cbecfc34cb6e82f7a1b [2019-11-24 22:20:53,284 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:20:53,318 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:20:53,325 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:20:53,332 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:20:53,332 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:20:53,335 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/openbsd_cstrcpy-alloca-2.i [2019-11-24 22:20:53,492 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/930e5c884/c71be584703e42a09d7ca36afce8272e/FLAG91fa7af09 [2019-11-24 22:20:54,730 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:20:54,733 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/openbsd_cstrcpy-alloca-2.i [2019-11-24 22:20:54,773 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/930e5c884/c71be584703e42a09d7ca36afce8272e/FLAG91fa7af09 [2019-11-24 22:20:54,809 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/930e5c884/c71be584703e42a09d7ca36afce8272e [2019-11-24 22:20:54,813 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:20:54,816 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:20:54,830 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:20:54,831 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:20:54,839 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:20:54,842 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:20:54" (1/1) ... [2019-11-24 22:20:54,850 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1381c3b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:54, skipping insertion in model container [2019-11-24 22:20:54,851 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:20:54" (1/1) ... [2019-11-24 22:20:54,872 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:20:54,978 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:20:55,932 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:20:55,975 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:20:56,126 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:20:56,248 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:20:56,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:56 WrapperNode [2019-11-24 22:20:56,251 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:20:56,252 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:20:56,253 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:20:56,253 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:20:56,283 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:56" (1/1) ... [2019-11-24 22:20:56,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:56" (1/1) ... [2019-11-24 22:20:56,325 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:56" (1/1) ... [2019-11-24 22:20:56,326 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:56" (1/1) ... [2019-11-24 22:20:56,387 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:56" (1/1) ... [2019-11-24 22:20:56,412 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:56" (1/1) ... [2019-11-24 22:20:56,422 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:56" (1/1) ... [2019-11-24 22:20:56,446 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:20:56,460 INFO L168 Benchmark]: Toolchain (without parser) took 1638.06 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 22:20:56,462 INFO L168 Benchmark]: CDTParser took 0.37 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 22:20:56,467 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1421.24 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 22:20:56,469 INFO L168 Benchmark]: Boogie Preprocessor took 199.03 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 22:20:56,485 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 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 1421.24 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 199.03 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...