./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/termination-crafted/MutualRecursion_1a.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 65d6cd23 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/MutualRecursion_1a.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 c27ad91a5bec233234e07a14bfd5505e082df4cd ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/MutualRecursion_1a.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 c27ad91a5bec233234e07a14bfd5505e082df4cd .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-26 00:28:49,366 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:28:49,373 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:28:49,407 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:28:49,409 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:28:49,413 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:28:49,417 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:28:49,433 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:28:49,440 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:28:49,442 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:28:49,446 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:28:49,452 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:28:49,452 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:28:49,458 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:28:49,461 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:28:49,467 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:28:49,470 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:28:49,479 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:28:49,483 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:28:49,493 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:28:49,502 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:28:49,507 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:28:49,511 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:28:49,515 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:28:49,524 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:28:49,526 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:28:49,526 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:28:49,530 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:28:49,530 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:28:49,533 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:28:49,535 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:28:49,536 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:28:49,540 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:28:49,542 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:28:49,546 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:28:49,547 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:28:49,548 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:28:49,549 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:28:49,551 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:28:49,553 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:28:49,557 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:28:49,558 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2019-11-26 00:28:49,597 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:28:49,597 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:28:49,599 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:28:49,604 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:28:49,604 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:28:49,605 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:28:49,607 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:28:49,607 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:28:49,607 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:28:49,608 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:28:49,609 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:28:49,609 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:28:49,612 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:28:49,612 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:28:49,613 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:28:49,613 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:28:49,613 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:28:49,614 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:28:49,614 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:28:49,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:28:49,614 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:28:49,617 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:28:49,617 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 00:28:49,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 00:28:49,618 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 -> c27ad91a5bec233234e07a14bfd5505e082df4cd [2019-11-26 00:28:50,184 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:28:50,217 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:28:50,224 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:28:50,229 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:28:50,230 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:28:50,231 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/MutualRecursion_1a.c [2019-11-26 00:28:50,385 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e49263ed2/f1df0b43b8fe4f24b1970f7c6d3ace93/FLAGb292abf61 [2019-11-26 00:28:51,386 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:28:51,390 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/MutualRecursion_1a.c [2019-11-26 00:28:51,410 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e49263ed2/f1df0b43b8fe4f24b1970f7c6d3ace93/FLAGb292abf61 [2019-11-26 00:28:51,559 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e49263ed2/f1df0b43b8fe4f24b1970f7c6d3ace93 [2019-11-26 00:28:51,566 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:28:51,570 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:28:51,576 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:51,577 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:28:51,587 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:28:51,588 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:51" (1/1) ... [2019-11-26 00:28:51,595 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@454e1e37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:51, skipping insertion in model container [2019-11-26 00:28:51,595 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:51" (1/1) ... [2019-11-26 00:28:51,615 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:28:51,661 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:28:52,081 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:52,091 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:28:52,129 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:52,145 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:28:52,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:52 WrapperNode [2019-11-26 00:28:52,147 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:52,148 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:28:52,148 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:28:52,148 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:28:52,164 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:52" (1/1) ... [2019-11-26 00:28:52,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:52" (1/1) ... [2019-11-26 00:28:52,172 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:52" (1/1) ... [2019-11-26 00:28:52,172 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:52" (1/1) ... [2019-11-26 00:28:52,252 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:52" (1/1) ... [2019-11-26 00:28:52,260 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:52" (1/1) ... [2019-11-26 00:28:52,269 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:52" (1/1) ... [2019-11-26 00:28:52,271 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:28:52,277 INFO L168 Benchmark]: Toolchain (without parser) took 706.14 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 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. [2019-11-26 00:28:52,288 INFO L168 Benchmark]: CDTParser took 3.13 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 00:28:52,290 INFO L168 Benchmark]: CACSL2BoogieTranslator took 570.89 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 00:28:52,295 INFO L168 Benchmark]: Boogie Preprocessor took 125.28 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 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. [2019-11-26 00:28:52,306 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.13 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 570.89 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 125.28 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 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 0.1.24-65d6cd2 [2019-11-26 00:28:56,019 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:28:56,021 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:28:56,053 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:28:56,055 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:28:56,057 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:28:56,071 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:28:56,086 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:28:56,090 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:28:56,094 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:28:56,100 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:28:56,103 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:28:56,105 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:28:56,109 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:28:56,113 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:28:56,116 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:28:56,120 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:28:56,126 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:28:56,128 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:28:56,139 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:28:56,146 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:28:56,153 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:28:56,155 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:28:56,159 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:28:56,166 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:28:56,168 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:28:56,168 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:28:56,172 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:28:56,172 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:28:56,174 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:28:56,177 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:28:56,178 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:28:56,179 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:28:56,181 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:28:56,184 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:28:56,185 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:28:56,186 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:28:56,190 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:28:56,190 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:28:56,191 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:28:56,193 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:28:56,195 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2019-11-26 00:28:56,235 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:28:56,236 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:28:56,241 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:28:56,241 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:28:56,242 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:28:56,244 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:28:56,244 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:28:56,245 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:28:56,245 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:28:56,245 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:28:56,246 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:28:56,249 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:28:56,249 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:28:56,250 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:28:56,250 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 00:28:56,250 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 00:28:56,251 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:28:56,251 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:28:56,252 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:28:56,253 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:28:56,253 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:28:56,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:28:56,255 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:28:56,255 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:28:56,256 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 00:28:56,256 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 00:28:56,256 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 00:28:56,258 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 -> c27ad91a5bec233234e07a14bfd5505e082df4cd [2019-11-26 00:28:56,894 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:28:56,926 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:28:56,932 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:28:56,936 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:28:56,938 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:28:56,939 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/MutualRecursion_1a.c [2019-11-26 00:28:57,090 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbe624ade/68fd9e14d2d04955aa866533267fc859/FLAGfa5bf5153 [2019-11-26 00:28:58,072 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:28:58,077 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/MutualRecursion_1a.c [2019-11-26 00:28:58,095 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbe624ade/68fd9e14d2d04955aa866533267fc859/FLAGfa5bf5153 [2019-11-26 00:28:58,254 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbe624ade/68fd9e14d2d04955aa866533267fc859 [2019-11-26 00:28:58,261 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:28:58,269 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:28:58,274 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:58,275 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:28:58,281 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:28:58,288 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:58" (1/1) ... [2019-11-26 00:28:58,295 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d0bfed4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:58, skipping insertion in model container [2019-11-26 00:28:58,297 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:58" (1/1) ... [2019-11-26 00:28:58,316 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:28:58,360 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:28:58,789 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:58,806 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:28:58,840 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:58,883 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:28:58,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:58 WrapperNode [2019-11-26 00:28:58,884 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:58,885 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:28:58,888 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:28:58,888 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:28:58,998 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:58" (1/1) ... [2019-11-26 00:28:59,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:58" (1/1) ... [2019-11-26 00:28:59,016 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:58" (1/1) ... [2019-11-26 00:28:59,017 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:58" (1/1) ... [2019-11-26 00:28:59,026 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:58" (1/1) ... [2019-11-26 00:28:59,040 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:58" (1/1) ... [2019-11-26 00:28:59,042 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:58" (1/1) ... [2019-11-26 00:28:59,044 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:28:59,051 INFO L168 Benchmark]: Toolchain (without parser) took 780.58 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.4 MB in the end (delta: -24.0 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-26 00:28:59,053 INFO L168 Benchmark]: CDTParser took 2.18 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 00:28:59,055 INFO L168 Benchmark]: CACSL2BoogieTranslator took 610.82 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 955.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 00:28:59,057 INFO L168 Benchmark]: Boogie Preprocessor took 158.91 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 955.9 MB in the beginning and 991.4 MB in the end (delta: -35.4 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-26 00:28:59,064 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.18 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 610.82 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 955.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 158.91 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 955.9 MB in the beginning and 991.4 MB in the end (delta: -35.4 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...