./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/termination-crafted/Cairo_step2-3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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/termination-crafted/Cairo_step2-3.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-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 64bit --witnessprinter.graph.data.programhash a03b979f45aa8ba48949293cad74f586aed4b0e9 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/termination-crafted/Cairo_step2-3.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-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 64bit --witnessprinter.graph.data.programhash a03b979f45aa8ba48949293cad74f586aed4b0e9 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:24:05,620 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:24:05,625 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:24:05,663 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:24:05,664 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:24:05,668 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:24:05,673 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:24:05,689 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:24:05,696 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:24:05,701 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:24:05,703 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:24:05,708 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:24:05,709 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:24:05,715 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:24:05,719 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:24:05,724 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:24:05,727 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:24:05,731 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:24:05,737 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:24:05,745 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:24:05,754 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:24:05,761 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:24:05,763 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:24:05,769 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:24:05,777 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:24:05,778 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:24:05,778 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:24:05,780 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:24:05,782 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:24:05,786 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:24:05,786 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:24:05,787 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:24:05,791 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:24:05,792 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:24:05,797 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:24:05,798 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:24:05,799 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:24:05,801 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:24:05,801 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:24:05,802 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:24:05,808 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:24:05,809 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2019-11-27 11:24:05,849 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:24:05,851 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:24:05,857 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:24:05,857 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:24:05,857 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:24:05,858 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:24:05,860 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:24:05,860 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:24:05,860 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:24:05,861 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:24:05,862 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:24:05,862 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:24:05,865 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:24:05,865 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:24:05,866 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:24:05,866 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:24:05,867 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:24:05,867 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:24:05,867 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:24:05,867 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:24:05,870 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:24:05,870 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:24:05,870 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 11:24:05,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 11:24:05,871 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a03b979f45aa8ba48949293cad74f586aed4b0e9 [2019-11-27 11:24:06,456 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:24:06,488 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:24:06,495 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:24:06,497 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:24:06,500 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:24:06,501 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/Cairo_step2-3.c [2019-11-27 11:24:06,666 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fd65ff0d/6abb919849944183b9243474ef56ed00/FLAGabcc6ebbd [2019-11-27 11:24:07,713 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:24:07,716 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/Cairo_step2-3.c [2019-11-27 11:24:07,733 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fd65ff0d/6abb919849944183b9243474ef56ed00/FLAGabcc6ebbd [2019-11-27 11:24:07,775 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fd65ff0d/6abb919849944183b9243474ef56ed00 [2019-11-27 11:24:07,783 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:24:07,792 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:24:07,793 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:24:07,796 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:24:07,804 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:24:07,806 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:24:07" (1/1) ... [2019-11-27 11:24:07,815 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2649282b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:07, skipping insertion in model container [2019-11-27 11:24:07,815 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:24:07" (1/1) ... [2019-11-27 11:24:07,836 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:24:07,878 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:24:08,308 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:24:08,321 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:24:08,359 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:24:08,390 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:24:08,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:08 WrapperNode [2019-11-27 11:24:08,394 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:24:08,395 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:24:08,396 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:24:08,396 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:24:08,491 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:08" (1/1) ... [2019-11-27 11:24:08,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:08" (1/1) ... [2019-11-27 11:24:08,506 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:08" (1/1) ... [2019-11-27 11:24:08,507 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:08" (1/1) ... [2019-11-27 11:24:08,520 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:08" (1/1) ... [2019-11-27 11:24:08,533 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:08" (1/1) ... [2019-11-27 11:24:08,535 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:08" (1/1) ... [2019-11-27 11:24:08,539 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:24:08,554 INFO L168 Benchmark]: Toolchain (without parser) took 757.50 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 997.0 MB in the end (delta: -35.4 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 11:24:08,556 INFO L168 Benchmark]: CDTParser took 0.32 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 11:24:08,561 INFO L168 Benchmark]: CACSL2BoogieTranslator took 601.45 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 11:24:08,563 INFO L168 Benchmark]: Boogie Preprocessor took 147.14 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 11:24:08,575 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 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 601.45 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 147.14 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. 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 11:24:12,477 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:24:12,484 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:24:12,519 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:24:12,521 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:24:12,524 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:24:12,530 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:24:12,543 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:24:12,554 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:24:12,558 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:24:12,560 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:24:12,565 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:24:12,568 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:24:12,571 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:24:12,576 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:24:12,577 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:24:12,581 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:24:12,582 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:24:12,587 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:24:12,593 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:24:12,600 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:24:12,608 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:24:12,610 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:24:12,613 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:24:12,620 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:24:12,622 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:24:12,622 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:24:12,626 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:24:12,627 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:24:12,628 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:24:12,631 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:24:12,632 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:24:12,634 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:24:12,639 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:24:12,641 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:24:12,641 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:24:12,643 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:24:12,645 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:24:12,645 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:24:12,646 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:24:12,651 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:24:12,652 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2019-11-27 11:24:12,705 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:24:12,711 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:24:12,713 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:24:12,719 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:24:12,719 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:24:12,720 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:24:12,720 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:24:12,720 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:24:12,721 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:24:12,721 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:24:12,721 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:24:12,721 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:24:12,722 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:24:12,725 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:24:12,726 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 11:24:12,727 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 11:24:12,727 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:24:12,727 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:24:12,728 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:24:12,728 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:24:12,728 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:24:12,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:24:12,729 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:24:12,732 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:24:12,733 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 11:24:12,733 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 11:24:12,733 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 11:24:12,734 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a03b979f45aa8ba48949293cad74f586aed4b0e9 [2019-11-27 11:24:13,355 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:24:13,386 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:24:13,395 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:24:13,400 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:24:13,401 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:24:13,402 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/Cairo_step2-3.c [2019-11-27 11:24:13,566 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9501315ee/5a670b37ca8b4ca2b48047dbbc248da5/FLAG4f1208fcf [2019-11-27 11:24:14,627 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:24:14,628 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/Cairo_step2-3.c [2019-11-27 11:24:14,646 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9501315ee/5a670b37ca8b4ca2b48047dbbc248da5/FLAG4f1208fcf [2019-11-27 11:24:14,686 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9501315ee/5a670b37ca8b4ca2b48047dbbc248da5 [2019-11-27 11:24:14,696 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:24:14,700 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:24:14,706 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:24:14,706 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:24:14,714 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:24:14,717 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:24:14" (1/1) ... [2019-11-27 11:24:14,726 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e4437ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:14, skipping insertion in model container [2019-11-27 11:24:14,728 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:24:14" (1/1) ... [2019-11-27 11:24:14,746 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:24:14,792 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:24:15,160 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:24:15,176 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:24:15,217 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:24:15,251 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:24:15,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:15 WrapperNode [2019-11-27 11:24:15,253 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:24:15,254 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:24:15,254 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:24:15,257 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:24:15,364 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:15" (1/1) ... [2019-11-27 11:24:15,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:15" (1/1) ... [2019-11-27 11:24:15,379 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:15" (1/1) ... [2019-11-27 11:24:15,380 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:15" (1/1) ... [2019-11-27 11:24:15,396 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:15" (1/1) ... [2019-11-27 11:24:15,410 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:15" (1/1) ... [2019-11-27 11:24:15,412 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:15" (1/1) ... [2019-11-27 11:24:15,416 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:24:15,428 INFO L168 Benchmark]: Toolchain (without parser) took 722.33 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 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 11:24:15,431 INFO L168 Benchmark]: CDTParser took 0.61 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 11:24:15,434 INFO L168 Benchmark]: CACSL2BoogieTranslator took 547.26 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 11:24:15,439 INFO L168 Benchmark]: Boogie Preprocessor took 164.09 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 991.3 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 11:24:15,450 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61 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 547.26 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 164.09 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 991.3 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...