./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/termination-crafted/RecursiveNonterminating-1.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/RecursiveNonterminating-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 f21f1881350863de740f7b7321104b53617dd8ce ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/RecursiveNonterminating-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 f21f1881350863de740f7b7321104b53617dd8ce ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:24:19,843 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:24:19,846 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:24:19,870 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:24:19,872 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:24:19,889 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:24:19,891 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:24:19,913 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:24:19,917 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:24:19,919 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:24:19,923 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:24:19,927 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:24:19,932 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:24:19,937 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:24:19,939 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:24:19,946 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:24:19,948 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:24:19,953 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:24:19,958 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:24:19,966 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:24:19,977 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:24:19,985 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:24:19,989 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:24:19,992 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:24:20,002 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:24:20,005 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:24:20,005 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:24:20,009 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:24:20,010 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:24:20,011 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:24:20,013 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:24:20,015 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:24:20,016 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:24:20,021 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:24:20,023 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:24:20,023 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:24:20,026 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:24:20,027 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:24:20,027 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:24:20,030 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:24:20,033 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:24:20,035 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2019-11-27 11:24:20,079 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:24:20,079 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:24:20,082 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:24:20,082 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:24:20,083 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:24:20,083 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:24:20,087 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:24:20,087 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:24:20,087 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:24:20,088 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:24:20,089 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:24:20,090 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:24:20,090 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:24:20,090 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:24:20,091 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:24:20,091 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:24:20,091 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:24:20,092 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:24:20,094 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:24:20,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:24:20,094 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:24:20,095 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:24:20,095 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 11:24:20,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 11:24:20,096 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 -> f21f1881350863de740f7b7321104b53617dd8ce [2019-11-27 11:24:20,754 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:24:20,787 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:24:20,794 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:24:20,797 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:24:20,802 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:24:20,803 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/RecursiveNonterminating-1.c [2019-11-27 11:24:20,963 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/668179594/5cde29a1831b4aa1946a87111bbe9d5e/FLAG8f108e2f3 [2019-11-27 11:24:21,995 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:24:21,998 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/RecursiveNonterminating-1.c [2019-11-27 11:24:22,016 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/668179594/5cde29a1831b4aa1946a87111bbe9d5e/FLAG8f108e2f3 [2019-11-27 11:24:22,057 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/668179594/5cde29a1831b4aa1946a87111bbe9d5e [2019-11-27 11:24:22,069 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:24:22,072 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:24:22,076 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:24:22,078 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:24:22,087 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:24:22,091 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:24:22" (1/1) ... [2019-11-27 11:24:22,104 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c002b55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:22, skipping insertion in model container [2019-11-27 11:24:22,106 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:24:22" (1/1) ... [2019-11-27 11:24:22,127 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:24:22,173 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:24:22,577 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:24:22,584 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:24:22,607 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:24:22,623 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:24:22,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:22 WrapperNode [2019-11-27 11:24:22,624 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:24:22,626 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:24:22,626 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:24:22,626 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:24:22,723 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:22" (1/1) ... [2019-11-27 11:24:22,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:22" (1/1) ... [2019-11-27 11:24:22,734 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:22" (1/1) ... [2019-11-27 11:24:22,735 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:22" (1/1) ... [2019-11-27 11:24:22,743 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:22" (1/1) ... [2019-11-27 11:24:22,745 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:22" (1/1) ... [2019-11-27 11:24:22,747 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:22" (1/1) ... [2019-11-27 11:24:22,748 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:24:22,770 INFO L168 Benchmark]: Toolchain (without parser) took 682.50 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 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. [2019-11-27 11:24:22,773 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:24:22,777 INFO L168 Benchmark]: CACSL2BoogieTranslator took 548.60 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. [2019-11-27 11:24:22,782 INFO L168 Benchmark]: Boogie Preprocessor took 124.65 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. [2019-11-27 11:24:22,796 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 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 548.60 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 124.65 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-da95e15 [2019-11-27 11:24:26,644 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:24:26,646 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:24:26,669 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:24:26,671 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:24:26,686 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:24:26,690 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:24:26,707 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:24:26,709 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:24:26,714 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:24:26,720 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:24:26,725 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:24:26,725 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:24:26,734 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:24:26,737 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:24:26,739 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:24:26,741 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:24:26,747 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:24:26,752 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:24:26,761 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:24:26,770 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:24:26,776 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:24:26,779 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:24:26,786 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:24:26,791 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:24:26,793 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:24:26,793 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:24:26,796 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:24:26,797 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:24:26,801 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:24:26,801 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:24:26,802 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:24:26,805 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:24:26,809 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:24:26,811 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:24:26,813 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:24:26,814 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:24:26,815 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:24:26,816 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:24:26,819 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:24:26,823 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:24:26,824 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2019-11-27 11:24:26,866 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:24:26,870 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:24:26,873 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:24:26,875 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:24:26,875 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:24:26,876 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:24:26,876 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:24:26,876 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:24:26,878 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:24:26,878 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:24:26,879 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:24:26,882 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:24:26,882 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:24:26,883 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:24:26,883 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 11:24:26,883 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 11:24:26,884 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:24:26,884 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:24:26,887 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:24:26,887 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:24:26,887 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:24:26,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:24:26,888 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:24:26,888 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:24:26,889 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 11:24:26,889 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 11:24:26,892 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 11:24:26,892 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 -> f21f1881350863de740f7b7321104b53617dd8ce [2019-11-27 11:24:27,531 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:24:27,563 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:24:27,569 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:24:27,573 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:24:27,577 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:24:27,578 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/RecursiveNonterminating-1.c [2019-11-27 11:24:27,731 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da28cf513/b0256e40bdcd4d749fd6f0eb98bdfe81/FLAG763b600e6 [2019-11-27 11:24:28,747 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:24:28,750 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/RecursiveNonterminating-1.c [2019-11-27 11:24:28,769 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da28cf513/b0256e40bdcd4d749fd6f0eb98bdfe81/FLAG763b600e6 [2019-11-27 11:24:28,806 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da28cf513/b0256e40bdcd4d749fd6f0eb98bdfe81 [2019-11-27 11:24:28,814 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:24:28,822 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:24:28,827 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:24:28,827 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:24:28,833 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:24:28,839 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:24:28" (1/1) ... [2019-11-27 11:24:28,844 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e0a05f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:28, skipping insertion in model container [2019-11-27 11:24:28,845 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:24:28" (1/1) ... [2019-11-27 11:24:28,865 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:24:28,909 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:24:29,347 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:24:29,354 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:24:29,382 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:24:29,397 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:24:29,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:29 WrapperNode [2019-11-27 11:24:29,398 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:24:29,399 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:24:29,400 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:24:29,400 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:24:29,488 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:29" (1/1) ... [2019-11-27 11:24:29,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:29" (1/1) ... [2019-11-27 11:24:29,503 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:29" (1/1) ... [2019-11-27 11:24:29,503 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:29" (1/1) ... [2019-11-27 11:24:29,511 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:29" (1/1) ... [2019-11-27 11:24:29,514 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:29" (1/1) ... [2019-11-27 11:24:29,515 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:29" (1/1) ... [2019-11-27 11:24:29,517 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:24:29,523 INFO L168 Benchmark]: Toolchain (without parser) took 701.46 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. [2019-11-27 11:24:29,525 INFO L168 Benchmark]: CDTParser took 0.62 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 11:24:29,527 INFO L168 Benchmark]: CACSL2BoogieTranslator took 572.39 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 11:24:29,529 INFO L168 Benchmark]: Boogie Preprocessor took 118.14 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 11:24:29,535 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62 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 572.39 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 118.14 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...