./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/termination-crafted/Cairo_step2-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 025d5a27 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_step2-1.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 c7d1dab681440b8e4fbe52aab1c781a8a0ad5fbc ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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_step2-1.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 c7d1dab681440b8e4fbe52aab1c781a8a0ad5fbc .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:58:56,636 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:58:56,642 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:58:56,681 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:58:56,683 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:58:56,686 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:58:56,688 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:58:56,714 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:58:56,718 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:58:56,724 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:58:56,726 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:58:56,730 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:58:56,731 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:58:56,737 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:58:56,741 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:58:56,744 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:58:56,750 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:58:56,752 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:58:56,757 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:58:56,764 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:58:56,774 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:58:56,780 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:58:56,783 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:58:56,787 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:58:56,797 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:58:56,798 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:58:56,798 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:58:56,800 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:58:56,802 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:58:56,803 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:58:56,807 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:58:56,808 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:58:56,809 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:58:56,813 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:58:56,815 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:58:56,817 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:58:56,820 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:58:56,820 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:58:56,820 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:58:56,825 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:58:56,829 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:58:56,830 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2019-11-26 17:58:56,871 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:58:56,872 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:58:56,877 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:58:56,878 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:58:56,880 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:58:56,880 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:58:56,881 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 17:58:56,881 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:58:56,881 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:58:56,881 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 17:58:56,883 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 17:58:56,885 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 17:58:56,885 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:58:56,886 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 17:58:56,886 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:58:56,886 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:58:56,888 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:58:56,888 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:58:56,888 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:58:56,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:58:56,891 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:58:56,891 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:58:56,892 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:58:56,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:58:56,892 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 -> c7d1dab681440b8e4fbe52aab1c781a8a0ad5fbc [2019-11-26 17:58:57,543 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:58:57,572 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:58:57,579 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:58:57,584 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:58:57,586 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:58:57,587 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/Cairo_step2-1.c [2019-11-26 17:58:57,745 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34dfcc5bc/d628aea968cd48dd8b8ebfe904b87563/FLAGd72a8d13e [2019-11-26 17:58:58,810 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:58:58,812 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/Cairo_step2-1.c [2019-11-26 17:58:58,832 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34dfcc5bc/d628aea968cd48dd8b8ebfe904b87563/FLAGd72a8d13e [2019-11-26 17:58:58,874 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34dfcc5bc/d628aea968cd48dd8b8ebfe904b87563 [2019-11-26 17:58:58,881 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:58:58,889 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 17:58:58,891 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:58:58,894 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:58:58,900 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:58:58,906 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:58:58" (1/1) ... [2019-11-26 17:58:58,913 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74e4d0b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:58, skipping insertion in model container [2019-11-26 17:58:58,914 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:58:58" (1/1) ... [2019-11-26 17:58:58,934 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:58:58,984 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:58:59,437 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:58:59,442 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:58:59,469 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:58:59,519 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:58:59,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:59 WrapperNode [2019-11-26 17:58:59,520 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:58:59,521 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:58:59,521 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:58:59,522 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:58:59,630 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:59" (1/1) ... [2019-11-26 17:58:59,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:59" (1/1) ... [2019-11-26 17:58:59,651 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:59" (1/1) ... [2019-11-26 17:58:59,651 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:59" (1/1) ... [2019-11-26 17:58:59,660 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:59" (1/1) ... [2019-11-26 17:58:59,673 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:59" (1/1) ... [2019-11-26 17:58:59,674 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:59" (1/1) ... [2019-11-26 17:58:59,680 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:58:59,692 INFO L168 Benchmark]: Toolchain (without parser) took 799.24 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 997.0 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-26 17:58:59,696 INFO L168 Benchmark]: CDTParser took 2.70 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. [2019-11-26 17:58:59,698 INFO L168 Benchmark]: CACSL2BoogieTranslator took 629.44 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:58:59,703 INFO L168 Benchmark]: Boogie Preprocessor took 160.94 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 997.0 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-26 17:58:59,715 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.70 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 629.44 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 160.94 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 997.0 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... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:59:03,606 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:59:03,616 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:59:03,649 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:59:03,653 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:59:03,656 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:59:03,660 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:59:03,678 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:59:03,683 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:59:03,686 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:59:03,690 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:59:03,697 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:59:03,700 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:59:03,704 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:59:03,709 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:59:03,712 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:59:03,717 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:59:03,721 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:59:03,728 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:59:03,739 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:59:03,745 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:59:03,752 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:59:03,758 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:59:03,761 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:59:03,770 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:59:03,773 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:59:03,773 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:59:03,777 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:59:03,778 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:59:03,779 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:59:03,781 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:59:03,782 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:59:03,786 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:59:03,788 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:59:03,792 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:59:03,793 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:59:03,794 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:59:03,794 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:59:03,795 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:59:03,797 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:59:03,799 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:59:03,802 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2019-11-26 17:59:03,840 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:59:03,842 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:59:03,846 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:59:03,850 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:59:03,850 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:59:03,851 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:59:03,851 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 17:59:03,851 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:59:03,852 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:59:03,852 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 17:59:03,853 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 17:59:03,854 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 17:59:03,854 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:59:03,856 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 17:59:03,857 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:59:03,857 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:59:03,857 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:59:03,857 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:59:03,859 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:59:03,859 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:59:03,859 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:59:03,860 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:59:03,861 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:59:03,861 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:59:03,861 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:59:03,863 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:59:03,863 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:59:03,863 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 -> c7d1dab681440b8e4fbe52aab1c781a8a0ad5fbc [2019-11-26 17:59:04,499 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:59:04,532 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:59:04,540 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:59:04,544 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:59:04,545 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:59:04,547 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/Cairo_step2-1.c [2019-11-26 17:59:04,706 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8caa5b4de/83cbc6b62e8c4155bdb548d8ef759f6d/FLAG42ea59939 [2019-11-26 17:59:05,758 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:59:05,759 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/Cairo_step2-1.c [2019-11-26 17:59:05,776 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8caa5b4de/83cbc6b62e8c4155bdb548d8ef759f6d/FLAG42ea59939 [2019-11-26 17:59:05,823 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8caa5b4de/83cbc6b62e8c4155bdb548d8ef759f6d [2019-11-26 17:59:05,833 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:59:05,835 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 17:59:05,839 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:59:05,840 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:59:05,849 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:59:05,853 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:59:05" (1/1) ... [2019-11-26 17:59:05,860 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5734e45e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:05, skipping insertion in model container [2019-11-26 17:59:05,860 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:59:05" (1/1) ... [2019-11-26 17:59:05,880 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:59:05,925 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:59:06,396 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:59:06,412 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:59:06,454 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:59:06,488 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:59:06,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:06 WrapperNode [2019-11-26 17:59:06,490 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:59:06,495 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:59:06,495 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:59:06,495 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:59:06,605 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:06" (1/1) ... [2019-11-26 17:59:06,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:06" (1/1) ... [2019-11-26 17:59:06,627 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:06" (1/1) ... [2019-11-26 17:59:06,627 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:06" (1/1) ... [2019-11-26 17:59:06,643 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:06" (1/1) ... [2019-11-26 17:59:06,655 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:06" (1/1) ... [2019-11-26 17:59:06,659 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:06" (1/1) ... [2019-11-26 17:59:06,662 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:59:06,672 INFO L168 Benchmark]: Toolchain (without parser) took 831.38 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: -35.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-26 17:59:06,675 INFO L168 Benchmark]: CDTParser took 0.78 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. [2019-11-26 17:59:06,679 INFO L168 Benchmark]: CACSL2BoogieTranslator took 654.93 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. [2019-11-26 17:59:06,684 INFO L168 Benchmark]: Boogie Preprocessor took 169.09 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 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-26 17:59:06,696 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.78 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 654.93 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 169.09 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 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...