./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/termination-crafted/Stockholm-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/termination-crafted/Stockholm-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 040d33ccd9815b678c9b7e32d7f71732a5b9b93a .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/Stockholm-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 040d33ccd9815b678c9b7e32d7f71732a5b9b93a ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 17:46:46,859 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:46:46,861 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:46:46,895 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:46:46,897 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:46:46,900 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:46:46,917 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:46:46,933 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:46:46,937 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:46:46,942 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:46:46,947 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:46:46,952 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:46:46,953 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:46:46,959 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:46:46,965 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:46:46,971 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:46:46,973 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:46:46,979 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:46:46,985 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:46:46,995 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:46:47,004 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:46:47,010 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:46:47,014 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:46:47,021 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:46:47,029 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:46:47,030 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:46:47,030 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:46:47,032 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:46:47,033 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:46:47,036 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:46:47,038 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:46:47,039 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:46:47,040 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:46:47,044 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:46:47,046 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:46:47,049 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:46:47,050 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:46:47,050 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:46:47,052 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:46:47,053 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:46:47,058 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:46:47,059 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2019-11-27 17:46:47,097 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:46:47,099 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:46:47,103 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:46:47,106 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:46:47,106 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:46:47,107 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:46:47,107 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:46:47,107 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:46:47,108 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:46:47,111 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:46:47,112 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:46:47,113 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:46:47,113 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:46:47,114 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:46:47,114 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:46:47,114 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:46:47,115 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:46:47,115 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:46:47,115 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:46:47,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:46:47,118 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:46:47,118 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:46:47,119 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:46:47,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:46:47,119 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 -> 040d33ccd9815b678c9b7e32d7f71732a5b9b93a [2019-11-27 17:46:47,814 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:46:47,847 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:46:47,857 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:46:47,862 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:46:47,862 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:46:47,863 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/Stockholm-1.c [2019-11-27 17:46:48,021 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87685f5cf/cdbc4e2c82fa428190486e342cb3f59b/FLAG7377cd34d [2019-11-27 17:46:49,104 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:46:49,105 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/Stockholm-1.c [2019-11-27 17:46:49,122 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87685f5cf/cdbc4e2c82fa428190486e342cb3f59b/FLAG7377cd34d [2019-11-27 17:46:49,161 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87685f5cf/cdbc4e2c82fa428190486e342cb3f59b [2019-11-27 17:46:49,170 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:46:49,176 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:46:49,180 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:46:49,181 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:46:49,188 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:46:49,191 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:46:49" (1/1) ... [2019-11-27 17:46:49,200 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 27.11 05:46:49, skipping insertion in model container [2019-11-27 17:46:49,201 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:46:49" (1/1) ... [2019-11-27 17:46:49,218 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:46:49,254 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:46:49,629 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:46:49,634 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:46:49,656 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:46:49,674 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:46:49,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:49 WrapperNode [2019-11-27 17:46:49,676 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:46:49,677 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:46:49,677 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:46:49,677 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:46:49,773 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:49" (1/1) ... [2019-11-27 17:46:49,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:49" (1/1) ... [2019-11-27 17:46:49,792 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:49" (1/1) ... [2019-11-27 17:46:49,792 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:49" (1/1) ... [2019-11-27 17:46:49,798 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:49" (1/1) ... [2019-11-27 17:46:49,807 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:49" (1/1) ... [2019-11-27 17:46:49,812 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:49" (1/1) ... [2019-11-27 17:46:49,814 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:46:49,837 INFO L168 Benchmark]: Toolchain (without parser) took 646.77 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.3 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 17:46:49,839 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:46:49,841 INFO L168 Benchmark]: CACSL2BoogieTranslator took 496.02 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 17:46:49,845 INFO L168 Benchmark]: Boogie Preprocessor took 139.61 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: -41.0 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 17:46:49,855 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 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 496.02 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 139.61 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: -41.0 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 0.1.24-509859d [2019-11-27 17:46:53,734 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:46:53,739 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:46:53,776 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:46:53,777 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:46:53,780 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:46:53,782 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:46:53,790 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:46:53,809 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:46:53,815 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:46:53,820 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:46:53,821 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:46:53,825 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:46:53,829 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:46:53,835 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:46:53,837 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:46:53,839 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:46:53,845 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:46:53,850 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:46:53,858 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:46:53,863 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:46:53,869 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:46:53,874 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:46:53,880 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:46:53,887 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:46:53,890 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:46:53,890 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:46:53,893 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:46:53,895 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:46:53,896 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:46:53,899 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:46:53,900 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:46:53,903 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:46:53,904 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:46:53,909 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:46:53,911 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:46:53,913 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:46:53,916 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:46:53,916 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:46:53,919 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:46:53,921 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:46:53,925 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2019-11-27 17:46:53,963 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:46:53,968 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:46:53,970 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:46:53,971 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:46:53,971 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:46:53,971 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:46:53,972 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:46:53,975 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:46:53,975 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:46:53,975 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:46:53,977 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:46:53,977 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:46:53,978 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:46:53,978 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:46:53,978 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:46:53,979 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:46:53,981 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:46:53,981 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:46:53,982 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:46:53,982 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:46:53,982 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:46:53,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:46:53,984 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:46:53,984 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:46:53,985 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:46:53,987 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:46:53,987 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:46:53,987 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 -> 040d33ccd9815b678c9b7e32d7f71732a5b9b93a [2019-11-27 17:46:54,623 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:46:54,656 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:46:54,663 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:46:54,667 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:46:54,669 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:46:54,670 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/Stockholm-1.c [2019-11-27 17:46:54,832 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8169ad88/5fb028f567dd41c4807156fcdaad2f99/FLAG5cc5d3a7a [2019-11-27 17:46:55,851 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:46:55,854 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/Stockholm-1.c [2019-11-27 17:46:55,872 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8169ad88/5fb028f567dd41c4807156fcdaad2f99/FLAG5cc5d3a7a [2019-11-27 17:46:56,132 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8169ad88/5fb028f567dd41c4807156fcdaad2f99 [2019-11-27 17:46:56,141 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:46:56,147 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:46:56,149 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:46:56,150 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:46:56,164 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:46:56,168 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:46:56" (1/1) ... [2019-11-27 17:46:56,175 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@364378cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:56, skipping insertion in model container [2019-11-27 17:46:56,178 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:46:56" (1/1) ... [2019-11-27 17:46:56,197 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:46:56,245 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:46:56,629 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:46:56,639 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:46:56,680 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:46:56,715 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:46:56,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:56 WrapperNode [2019-11-27 17:46:56,717 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:46:56,719 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:46:56,719 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:46:56,720 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:46:56,814 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:56" (1/1) ... [2019-11-27 17:46:56,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:56" (1/1) ... [2019-11-27 17:46:56,824 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:56" (1/1) ... [2019-11-27 17:46:56,825 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:56" (1/1) ... [2019-11-27 17:46:56,833 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:56" (1/1) ... [2019-11-27 17:46:56,839 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:56" (1/1) ... [2019-11-27 17:46:56,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:56" (1/1) ... [2019-11-27 17:46:56,848 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:46:56,856 INFO L168 Benchmark]: Toolchain (without parser) took 706.51 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 991.3 MB in the end (delta: -31.0 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 17:46:56,857 INFO L168 Benchmark]: CDTParser took 2.00 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:46:56,859 INFO L168 Benchmark]: CACSL2BoogieTranslator took 569.15 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 17:46:56,861 INFO L168 Benchmark]: Boogie Preprocessor took 129.21 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 991.3 MB in the end (delta: -42.4 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 17:46:56,869 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.00 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 569.15 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 129.21 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 991.3 MB in the end (delta: -42.4 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...