./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/verifythis/prefixsum_iter.c --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/verifythis/prefixsum_iter.c -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 3f80b8c4eb15aaab54b9ff42df2afd9ba8d11db1 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/verifythis/prefixsum_iter.c -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 3f80b8c4eb15aaab54b9ff42df2afd9ba8d11db1 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 17:43:16,629 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:43:16,635 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:43:16,671 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:43:16,672 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:43:16,675 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:43:16,681 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:43:16,697 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:43:16,701 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:43:16,708 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:43:16,711 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:43:16,716 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:43:16,716 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:43:16,723 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:43:16,728 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:43:16,733 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:43:16,735 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:43:16,740 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:43:16,747 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:43:16,758 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:43:16,764 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:43:16,772 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:43:16,775 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:43:16,779 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:43:16,784 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:43:16,787 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:43:16,787 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:43:16,789 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:43:16,793 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:43:16,795 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:43:16,795 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:43:16,796 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:43:16,799 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:43:16,802 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:43:16,804 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:43:16,806 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:43:16,809 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:43:16,810 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:43:16,811 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:43:16,812 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:43:16,816 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:43:16,820 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 17:43:16,858 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:43:16,858 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:43:16,860 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:43:16,866 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:43:16,866 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:43:16,867 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:43:16,867 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:43:16,867 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:43:16,868 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:43:16,868 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:43:16,870 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:43:16,872 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:43:16,872 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:43:16,873 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:43:16,873 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:43:16,873 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:43:16,874 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:43:16,875 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:43:16,875 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:43:16,875 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:43:16,877 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:43:16,877 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:43:16,877 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:43:16,878 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:43:16,880 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:43:16,880 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:43:16,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:43:16,881 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 -> 3f80b8c4eb15aaab54b9ff42df2afd9ba8d11db1 [2019-11-27 17:43:17,451 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:43:17,488 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:43:17,492 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:43:17,499 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:43:17,500 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:43:17,500 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/verifythis/prefixsum_iter.c [2019-11-27 17:43:17,670 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11a29d2d6/249531cad60d4ede80a28423d8d077df/FLAG96625570c [2019-11-27 17:43:18,778 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:43:18,782 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/verifythis/prefixsum_iter.c [2019-11-27 17:43:18,800 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11a29d2d6/249531cad60d4ede80a28423d8d077df/FLAG96625570c [2019-11-27 17:43:18,841 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11a29d2d6/249531cad60d4ede80a28423d8d077df [2019-11-27 17:43:18,849 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:43:18,855 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:43:18,857 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:43:18,858 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:43:18,865 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:43:18,869 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:43:18" (1/1) ... [2019-11-27 17:43:18,877 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3daa3e27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:18, skipping insertion in model container [2019-11-27 17:43:18,878 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:43:18" (1/1) ... [2019-11-27 17:43:18,897 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:43:18,953 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:43:19,405 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:43:19,429 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:43:19,597 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:43:19,633 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:43:19,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:19 WrapperNode [2019-11-27 17:43:19,634 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:43:19,636 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:43:19,636 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:43:19,636 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:43:19,652 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:19" (1/1) ... [2019-11-27 17:43:19,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:19" (1/1) ... [2019-11-27 17:43:19,688 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:19" (1/1) ... [2019-11-27 17:43:19,689 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:19" (1/1) ... [2019-11-27 17:43:19,725 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:19" (1/1) ... [2019-11-27 17:43:19,742 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:19" (1/1) ... [2019-11-27 17:43:19,752 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:19" (1/1) ... [2019-11-27 17:43:19,765 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:43:19,774 INFO L168 Benchmark]: Toolchain (without parser) took 916.55 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 991.3 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:43:19,775 INFO L168 Benchmark]: CDTParser took 3.03 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:43:19,791 INFO L168 Benchmark]: CACSL2BoogieTranslator took 778.64 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 991.3 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 17:43:19,795 INFO L168 Benchmark]: Boogie Preprocessor took 129.49 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:43:19,798 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.03 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 778.64 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 991.3 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 129.49 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 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 17:43:23,685 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:43:23,690 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:43:23,726 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:43:23,728 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:43:23,733 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:43:23,739 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:43:23,755 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:43:23,758 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:43:23,764 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:43:23,768 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:43:23,772 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:43:23,774 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:43:23,779 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:43:23,781 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:43:23,788 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:43:23,791 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:43:23,795 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:43:23,800 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:43:23,809 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:43:23,818 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:43:23,826 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:43:23,827 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:43:23,833 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:43:23,839 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:43:23,840 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:43:23,841 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:43:23,845 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:43:23,846 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:43:23,850 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:43:23,851 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:43:23,852 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:43:23,852 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:43:23,856 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:43:23,860 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:43:23,861 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:43:23,863 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:43:23,865 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:43:23,865 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:43:23,867 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:43:23,871 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:43:23,872 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 17:43:23,915 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:43:23,917 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:43:23,921 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:43:23,925 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:43:23,925 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:43:23,926 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:43:23,926 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:43:23,926 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:43:23,926 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:43:23,927 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:43:23,928 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:43:23,929 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:43:23,930 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:43:23,930 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:43:23,933 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:43:23,933 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:43:23,933 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:43:23,934 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:43:23,934 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:43:23,934 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:43:23,935 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:43:23,936 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:43:23,936 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:43:23,939 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:43:23,939 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:43:23,940 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:43:23,940 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:43:23,940 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:43:23,940 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:43:23,941 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:43:23,942 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 -> 3f80b8c4eb15aaab54b9ff42df2afd9ba8d11db1 [2019-11-27 17:43:24,519 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:43:24,549 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:43:24,559 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:43:24,564 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:43:24,565 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:43:24,566 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/verifythis/prefixsum_iter.c [2019-11-27 17:43:24,721 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04686c3e9/810e00ad1c474b978a4ce0d86601c114/FLAG33efebb93 [2019-11-27 17:43:25,735 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:43:25,736 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/verifythis/prefixsum_iter.c [2019-11-27 17:43:25,750 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04686c3e9/810e00ad1c474b978a4ce0d86601c114/FLAG33efebb93 [2019-11-27 17:43:25,790 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04686c3e9/810e00ad1c474b978a4ce0d86601c114 [2019-11-27 17:43:25,798 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:43:25,805 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:43:25,809 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:43:25,810 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:43:25,819 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:43:25,820 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:43:25" (1/1) ... [2019-11-27 17:43:25,828 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3daa3e27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:25, skipping insertion in model container [2019-11-27 17:43:25,830 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:43:25" (1/1) ... [2019-11-27 17:43:25,841 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:43:25,901 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:43:26,396 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:43:26,448 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:43:26,641 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:43:26,675 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:43:26,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:26 WrapperNode [2019-11-27 17:43:26,676 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:43:26,677 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:43:26,677 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:43:26,677 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:43:26,698 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:26" (1/1) ... [2019-11-27 17:43:26,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:26" (1/1) ... [2019-11-27 17:43:26,744 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:26" (1/1) ... [2019-11-27 17:43:26,744 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:26" (1/1) ... [2019-11-27 17:43:26,785 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:26" (1/1) ... [2019-11-27 17:43:26,805 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:26" (1/1) ... [2019-11-27 17:43:26,813 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:26" (1/1) ... [2019-11-27 17:43:26,821 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:43:26,828 INFO L168 Benchmark]: Toolchain (without parser) took 1020.06 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 991.2 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:43:26,830 INFO L168 Benchmark]: CDTParser took 1.06 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:43:26,833 INFO L168 Benchmark]: CACSL2BoogieTranslator took 867.17 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 991.2 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:43:26,833 INFO L168 Benchmark]: Boogie Preprocessor took 144.82 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:43:26,851 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.06 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 867.17 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 991.2 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 144.82 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 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...