./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 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/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 0.1.24-65d6cd2 [2019-11-26 00:28:57,115 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:28:57,121 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:28:57,155 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:28:57,157 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:28:57,159 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:28:57,162 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:28:57,186 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:28:57,189 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:28:57,196 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:28:57,199 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:28:57,205 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:28:57,207 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:28:57,211 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:28:57,215 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:28:57,220 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:28:57,227 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:28:57,229 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:28:57,234 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:28:57,243 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:28:57,250 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:28:57,258 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:28:57,260 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:28:57,266 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:28:57,273 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:28:57,274 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:28:57,276 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:28:57,278 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:28:57,281 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:28:57,286 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:28:57,286 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:28:57,287 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:28:57,288 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:28:57,289 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:28:57,295 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:28:57,295 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:28:57,298 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:28:57,299 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:28:57,299 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:28:57,304 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:28:57,306 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:28:57,308 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2019-11-26 00:28:57,350 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:28:57,352 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:28:57,356 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:28:57,358 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:28:57,358 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:28:57,359 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:28:57,361 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:28:57,361 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:28:57,362 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:28:57,362 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:28:57,366 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:28:57,366 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:28:57,367 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:28:57,367 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:28:57,368 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:28:57,368 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:28:57,368 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:28:57,369 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:28:57,369 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:28:57,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:28:57,371 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:28:57,372 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:28:57,372 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 00:28:57,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 00:28:57,373 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 [2019-11-26 00:28:57,925 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:28:57,960 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:28:57,967 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:28:57,974 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:28:57,975 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:28:57,975 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/RecursiveNonterminating-1.c [2019-11-26 00:28:58,134 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26f1bbc4d/e099bf7278c64dd69cc23f64fc57559d/FLAGe57847fe0 [2019-11-26 00:28:59,136 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:28:59,137 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/RecursiveNonterminating-1.c [2019-11-26 00:28:59,156 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26f1bbc4d/e099bf7278c64dd69cc23f64fc57559d/FLAGe57847fe0 [2019-11-26 00:28:59,196 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26f1bbc4d/e099bf7278c64dd69cc23f64fc57559d [2019-11-26 00:28:59,203 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:28:59,209 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:28:59,213 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:59,213 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:28:59,219 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:28:59,225 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:59" (1/1) ... [2019-11-26 00:28:59,234 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c60f834 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:59, skipping insertion in model container [2019-11-26 00:28:59,234 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:59" (1/1) ... [2019-11-26 00:28:59,253 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:28:59,300 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:28:59,730 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:59,742 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:28:59,786 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:59,820 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:28:59,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:59 WrapperNode [2019-11-26 00:28:59,825 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:59,826 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:28:59,826 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:28:59,826 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:28:59,929 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:59" (1/1) ... [2019-11-26 00:28:59,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:59" (1/1) ... [2019-11-26 00:28:59,951 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:59" (1/1) ... [2019-11-26 00:28:59,952 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:59" (1/1) ... [2019-11-26 00:28:59,960 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:59" (1/1) ... [2019-11-26 00:28:59,967 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:59" (1/1) ... [2019-11-26 00:28:59,968 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:59" (1/1) ... [2019-11-26 00:28:59,973 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:28:59,989 INFO L168 Benchmark]: Toolchain (without parser) took 769.84 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 997.0 MB in the end (delta: -35.4 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-26 00:28:59,994 INFO L168 Benchmark]: CDTParser took 1.25 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 00:28:59,996 INFO L168 Benchmark]: CACSL2BoogieTranslator took 612.74 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 00:29:00,001 INFO L168 Benchmark]: Boogie Preprocessor took 149.50 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-26 00:29:00,012 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.25 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 612.74 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 149.50 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-65d6cd2 [2019-11-26 00:29:03,827 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:29:03,831 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:29:03,855 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:29:03,856 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:29:03,859 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:29:03,861 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:29:03,887 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:29:03,891 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:29:03,897 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:29:03,899 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:29:03,905 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:29:03,907 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:29:03,913 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:29:03,919 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:29:03,921 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:29:03,923 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:29:03,929 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:29:03,935 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:29:03,943 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:29:03,950 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:29:03,956 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:29:03,962 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:29:03,964 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:29:03,971 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:29:03,973 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:29:03,973 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:29:03,978 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:29:03,979 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:29:03,980 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:29:03,983 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:29:03,984 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:29:03,985 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:29:03,989 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:29:03,990 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:29:03,994 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:29:03,995 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:29:03,996 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:29:03,996 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:29:03,998 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:29:04,002 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:29:04,003 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2019-11-26 00:29:04,039 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:29:04,041 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:29:04,045 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:29:04,049 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:29:04,049 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:29:04,050 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:29:04,050 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:29:04,050 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:29:04,050 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:29:04,051 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:29:04,052 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:29:04,054 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:29:04,054 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:29:04,055 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:29:04,055 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 00:29:04,057 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 00:29:04,057 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:29:04,057 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:29:04,058 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:29:04,058 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:29:04,060 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:29:04,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:29:04,060 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:29:04,061 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:29:04,061 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 00:29:04,061 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 00:29:04,063 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 00:29:04,063 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 [2019-11-26 00:29:04,666 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:29:04,697 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:29:04,705 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:29:04,711 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:29:04,712 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:29:04,716 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/RecursiveNonterminating-1.c [2019-11-26 00:29:04,873 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2282e0466/11305c17a08945b6a6221412d64b9653/FLAG147a88cb7 [2019-11-26 00:29:05,848 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:29:05,852 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/RecursiveNonterminating-1.c [2019-11-26 00:29:05,870 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2282e0466/11305c17a08945b6a6221412d64b9653/FLAG147a88cb7 [2019-11-26 00:29:06,019 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2282e0466/11305c17a08945b6a6221412d64b9653 [2019-11-26 00:29:06,028 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:29:06,033 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:29:06,038 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:29:06,040 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:29:06,047 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:29:06,051 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:29:06" (1/1) ... [2019-11-26 00:29:06,059 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b733779 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:06, skipping insertion in model container [2019-11-26 00:29:06,060 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:29:06" (1/1) ... [2019-11-26 00:29:06,080 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:29:06,126 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:29:06,561 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:29:06,577 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:29:06,619 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:29:06,652 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:29:06,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:06 WrapperNode [2019-11-26 00:29:06,654 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:29:06,657 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:29:06,658 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:29:06,658 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:29:06,674 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:06" (1/1) ... [2019-11-26 00:29:06,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:06" (1/1) ... [2019-11-26 00:29:06,772 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:06" (1/1) ... [2019-11-26 00:29:06,775 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:06" (1/1) ... [2019-11-26 00:29:06,791 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:06" (1/1) ... [2019-11-26 00:29:06,796 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:06" (1/1) ... [2019-11-26 00:29:06,800 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:06" (1/1) ... [2019-11-26 00:29:06,802 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:29:06,814 INFO L168 Benchmark]: Toolchain (without parser) took 777.33 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 997.0 MB in the end (delta: -35.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-26 00:29:06,819 INFO L168 Benchmark]: CDTParser took 0.94 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 00:29:06,823 INFO L168 Benchmark]: CACSL2BoogieTranslator took 618.60 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.1 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. [2019-11-26 00:29:06,825 INFO L168 Benchmark]: Boogie Preprocessor took 148.37 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.1 MB in the beginning and 997.0 MB in the end (delta: -46.9 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-26 00:29:06,836 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.94 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 618.60 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.1 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 148.37 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.1 MB in the beginning and 997.0 MB in the end (delta: -46.9 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...