./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 da95e156 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-da95e15 [2019-11-27 11:20:50,523 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:20:50,526 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:20:50,551 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:20:50,553 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:20:50,555 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:20:50,573 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:20:50,588 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:20:50,593 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:20:50,598 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:20:50,601 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:20:50,608 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:20:50,608 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:20:50,615 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:20:50,617 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:20:50,622 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:20:50,626 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:20:50,629 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:20:50,637 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:20:50,645 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:20:50,652 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:20:50,661 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:20:50,663 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:20:50,668 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:20:50,678 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:20:50,679 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:20:50,679 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:20:50,684 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:20:50,685 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:20:50,686 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:20:50,690 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:20:50,691 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:20:50,692 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:20:50,698 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:20:50,702 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:20:50,702 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:20:50,706 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:20:50,707 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:20:50,707 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:20:50,708 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:20:50,713 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:20:50,714 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 11:20:50,752 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:20:50,753 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:20:50,757 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:20:50,759 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:20:50,759 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:20:50,760 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:20:50,760 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:20:50,763 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:20:50,763 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:20:50,763 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:20:50,765 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:20:50,765 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:20:50,765 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:20:50,766 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:20:50,766 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:20:50,767 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:20:50,767 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:20:50,769 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:20:50,769 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:20:50,769 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:20:50,770 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:20:50,770 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:20:50,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:20:50,772 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:20:50,772 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:20:50,772 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 11:20:50,773 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 11:20:50,773 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 11:20:51,374 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:20:51,406 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:20:51,415 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:20:51,418 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:20:51,422 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:20:51,423 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/verifythis/prefixsum_iter.c [2019-11-27 11:20:51,579 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5c67797f/34a8a5f2579646be993b8598d69d797f/FLAG1fd9a713d [2019-11-27 11:20:52,700 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:20:52,701 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/verifythis/prefixsum_iter.c [2019-11-27 11:20:52,718 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5c67797f/34a8a5f2579646be993b8598d69d797f/FLAG1fd9a713d [2019-11-27 11:20:52,762 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5c67797f/34a8a5f2579646be993b8598d69d797f [2019-11-27 11:20:52,770 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:20:52,776 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:20:52,778 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:20:52,781 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:20:52,790 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:20:52,791 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:20:52" (1/1) ... [2019-11-27 11:20:52,800 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 11:20:52, skipping insertion in model container [2019-11-27 11:20:52,802 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:20:52" (1/1) ... [2019-11-27 11:20:52,825 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:20:52,881 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:20:53,359 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:20:53,472 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:20:53,563 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:20:53,599 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:20:53,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:53 WrapperNode [2019-11-27 11:20:53,600 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:20:53,602 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:20:53,602 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:20:53,603 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:20:53,618 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:53" (1/1) ... [2019-11-27 11:20:53,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:53" (1/1) ... [2019-11-27 11:20:53,665 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:53" (1/1) ... [2019-11-27 11:20:53,672 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:53" (1/1) ... [2019-11-27 11:20:53,714 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:53" (1/1) ... [2019-11-27 11:20:53,733 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:53" (1/1) ... [2019-11-27 11:20:53,739 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:53" (1/1) ... [2019-11-27 11:20:53,745 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:20:53,758 INFO L168 Benchmark]: Toolchain (without parser) took 978.23 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.5 MB in the end (delta: -24.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:20:53,762 INFO L168 Benchmark]: CDTParser took 1.83 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 11:20:53,790 INFO L168 Benchmark]: CACSL2BoogieTranslator took 823.30 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 991.5 MB in the end (delta: -24.1 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. [2019-11-27 11:20:53,795 INFO L168 Benchmark]: Boogie Preprocessor took 147.66 ms. Allocated memory is still 1.0 GB. Free memory is still 991.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:20:53,806 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.83 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 823.30 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 991.5 MB in the end (delta: -24.1 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 147.66 ms. Allocated memory is still 1.0 GB. Free memory is still 991.5 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-da95e15 [2019-11-27 11:20:57,589 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:20:57,598 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:20:57,631 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:20:57,633 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:20:57,635 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:20:57,640 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:20:57,657 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:20:57,661 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:20:57,667 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:20:57,671 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:20:57,674 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:20:57,676 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:20:57,680 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:20:57,682 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:20:57,688 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:20:57,690 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:20:57,697 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:20:57,702 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:20:57,712 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:20:57,719 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:20:57,727 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:20:57,730 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:20:57,737 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:20:57,742 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:20:57,745 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:20:57,745 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:20:57,748 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:20:57,750 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:20:57,751 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:20:57,754 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:20:57,755 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:20:57,760 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:20:57,762 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:20:57,765 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:20:57,767 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:20:57,769 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:20:57,770 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:20:57,770 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:20:57,773 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:20:57,776 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:20:57,777 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 11:20:57,817 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:20:57,819 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:20:57,823 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:20:57,827 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:20:57,827 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:20:57,828 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:20:57,828 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:20:57,828 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:20:57,829 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:20:57,829 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:20:57,830 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:20:57,831 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:20:57,831 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:20:57,834 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:20:57,834 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:20:57,835 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:20:57,835 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 11:20:57,835 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 11:20:57,836 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:20:57,836 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:20:57,836 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:20:57,836 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:20:57,837 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:20:57,839 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:20:57,839 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:20:57,839 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:20:57,840 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:20:57,840 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 11:20:57,840 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 11:20:57,841 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 11:20:57,844 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 11:20:58,422 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:20:58,452 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:20:58,459 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:20:58,468 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:20:58,469 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:20:58,471 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/verifythis/prefixsum_iter.c [2019-11-27 11:20:58,628 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fadd9d3d/df04a9b615f443cf97e65a35f12c44b6/FLAGa78c02796 [2019-11-27 11:20:59,771 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:20:59,772 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/verifythis/prefixsum_iter.c [2019-11-27 11:20:59,792 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fadd9d3d/df04a9b615f443cf97e65a35f12c44b6/FLAGa78c02796 [2019-11-27 11:20:59,832 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fadd9d3d/df04a9b615f443cf97e65a35f12c44b6 [2019-11-27 11:20:59,843 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:20:59,845 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:20:59,849 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:20:59,850 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:20:59,857 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:20:59,860 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:20:59" (1/1) ... [2019-11-27 11:20:59,869 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@673d4137 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:59, skipping insertion in model container [2019-11-27 11:20:59,870 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:20:59" (1/1) ... [2019-11-27 11:20:59,890 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:20:59,941 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:21:00,468 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:21:00,504 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:21:00,694 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:21:00,742 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:21:00,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:00 WrapperNode [2019-11-27 11:21:00,743 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:21:00,744 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:21:00,745 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:21:00,745 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:21:00,759 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:00" (1/1) ... [2019-11-27 11:21:00,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:00" (1/1) ... [2019-11-27 11:21:00,787 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:00" (1/1) ... [2019-11-27 11:21:00,789 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:00" (1/1) ... [2019-11-27 11:21:00,823 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:00" (1/1) ... [2019-11-27 11:21:00,834 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:00" (1/1) ... [2019-11-27 11:21:00,842 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:00" (1/1) ... [2019-11-27 11:21:00,848 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:21:00,854 INFO L168 Benchmark]: Toolchain (without parser) took 1007.28 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 985.5 MB in the end (delta: -18.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:21:00,857 INFO L168 Benchmark]: CDTParser took 0.43 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 11:21:00,859 INFO L168 Benchmark]: CACSL2BoogieTranslator took 894.78 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 991.2 MB in the end (delta: -23.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:21:00,867 INFO L168 Benchmark]: Boogie Preprocessor took 105.37 ms. Allocated memory is still 1.0 GB. Free memory was 991.2 MB in the beginning and 985.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:21:00,872 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 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 894.78 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 991.2 MB in the end (delta: -23.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 105.37 ms. Allocated memory is still 1.0 GB. Free memory was 991.2 MB in the beginning and 985.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...