./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/memsafety-ext/tree_stack.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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/memsafety-ext/tree_stack.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-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 32bit --witnessprinter.graph.data.programhash 3e23c3bca784f04992b2007c94519fee617936af ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/memsafety-ext/tree_stack.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-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 32bit --witnessprinter.graph.data.programhash 3e23c3bca784f04992b2007c94519fee617936af ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 00:25:57,064 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:25:57,067 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:25:57,096 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:25:57,097 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:25:57,100 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:25:57,102 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:25:57,130 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:25:57,132 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:25:57,139 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:25:57,141 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:25:57,146 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:25:57,148 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:25:57,155 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:25:57,157 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:25:57,163 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:25:57,165 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:25:57,170 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:25:57,177 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:25:57,185 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:25:57,193 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:25:57,200 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:25:57,204 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:25:57,207 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:25:57,217 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:25:57,218 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:25:57,218 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:25:57,220 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:25:57,221 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:25:57,225 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:25:57,225 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:25:57,226 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:25:57,229 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:25:57,233 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:25:57,235 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:25:57,239 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:25:57,240 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:25:57,241 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:25:57,241 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:25:57,244 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:25:57,246 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:25:57,250 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-26 00:25:57,290 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:25:57,292 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:25:57,296 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:25:57,298 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:25:57,298 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:25:57,299 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:25:57,300 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:25:57,300 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:25:57,304 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:25:57,304 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:25:57,306 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:25:57,306 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:25:57,307 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:25:57,307 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:25:57,308 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:25:57,308 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:25:57,308 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:25:57,309 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:25:57,309 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:25:57,312 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:25:57,312 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:25:57,313 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:25:57,313 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:25:57,313 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:25:57,314 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:25:57,314 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 00:25:57,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 00:25:57,317 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e23c3bca784f04992b2007c94519fee617936af [2019-11-26 00:25:57,858 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:25:57,892 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:25:57,898 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:25:57,902 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:25:57,906 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:25:57,907 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety-ext/tree_stack.i [2019-11-26 00:25:58,072 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d349d188/1ea29d227745406fa76a9b004bd6b5cc/FLAGe2a942138 [2019-11-26 00:25:59,297 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:25:59,298 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety-ext/tree_stack.i [2019-11-26 00:25:59,344 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d349d188/1ea29d227745406fa76a9b004bd6b5cc/FLAGe2a942138 [2019-11-26 00:25:59,378 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d349d188/1ea29d227745406fa76a9b004bd6b5cc [2019-11-26 00:25:59,383 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:25:59,387 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:25:59,397 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:25:59,398 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:25:59,402 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:25:59,403 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:25:59" (1/1) ... [2019-11-26 00:25:59,407 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77c3aba3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:59, skipping insertion in model container [2019-11-26 00:25:59,410 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:25:59" (1/1) ... [2019-11-26 00:25:59,426 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:25:59,542 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:26:00,533 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:26:00,565 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:26:00,716 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:26:00,833 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:26:00,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:26:00 WrapperNode [2019-11-26 00:26:00,836 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:26:00,837 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:26:00,841 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:26:00,841 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:26:00,859 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:26:00" (1/1) ... [2019-11-26 00:26:00,860 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:26:00" (1/1) ... [2019-11-26 00:26:00,907 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:26:00" (1/1) ... [2019-11-26 00:26:00,908 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:26:00" (1/1) ... [2019-11-26 00:26:00,959 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:26:00" (1/1) ... [2019-11-26 00:26:00,979 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:26:00" (1/1) ... [2019-11-26 00:26:00,988 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:26:00" (1/1) ... [2019-11-26 00:26:01,003 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:26:01,024 INFO L168 Benchmark]: Toolchain (without parser) took 1623.10 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 978.2 MB in the end (delta: -16.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:26:01,025 INFO L168 Benchmark]: CDTParser took 0.58 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 00:26:01,032 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1439.80 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 978.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-26 00:26:01,039 INFO L168 Benchmark]: Boogie Preprocessor took 166.39 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:26:01,044 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58 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 1439.80 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 978.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 166.39 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. 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 00:26:04,817 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:26:04,822 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:26:04,860 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:26:04,861 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:26:04,864 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:26:04,871 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:26:04,893 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:26:04,898 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:26:04,903 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:26:04,906 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:26:04,912 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:26:04,912 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:26:04,919 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:26:04,922 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:26:04,926 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:26:04,930 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:26:04,933 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:26:04,939 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:26:04,947 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:26:04,954 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:26:04,961 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:26:04,962 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:26:04,963 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:26:04,974 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:26:04,977 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:26:04,977 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:26:04,979 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:26:04,980 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:26:04,984 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:26:04,985 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:26:04,986 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:26:04,989 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:26:04,991 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:26:04,995 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:26:04,996 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:26:04,997 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:26:04,999 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:26:04,999 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:26:05,000 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:26:05,006 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:26:05,007 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-26 00:26:05,046 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:26:05,047 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:26:05,051 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:26:05,053 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:26:05,053 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:26:05,054 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:26:05,054 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:26:05,056 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:26:05,056 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:26:05,056 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:26:05,058 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:26:05,061 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:26:05,061 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:26:05,062 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:26:05,062 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:26:05,063 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:26:05,063 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 00:26:05,063 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 00:26:05,064 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:26:05,066 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:26:05,066 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:26:05,066 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:26:05,067 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:26:05,067 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:26:05,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:26:05,069 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:26:05,070 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:26:05,070 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 00:26:05,072 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 00:26:05,072 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 00:26:05,074 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e23c3bca784f04992b2007c94519fee617936af [2019-11-26 00:26:05,631 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:26:05,660 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:26:05,664 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:26:05,669 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:26:05,671 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:26:05,673 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety-ext/tree_stack.i [2019-11-26 00:26:05,830 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e2f827fb/03021d1f336549869a3cc70735e3be91/FLAG486a8941b [2019-11-26 00:26:07,044 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:26:07,047 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety-ext/tree_stack.i [2019-11-26 00:26:07,083 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e2f827fb/03021d1f336549869a3cc70735e3be91/FLAG486a8941b [2019-11-26 00:26:07,542 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e2f827fb/03021d1f336549869a3cc70735e3be91 [2019-11-26 00:26:07,549 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:26:07,551 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:26:07,564 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:26:07,564 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:26:07,571 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:26:07,573 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:26:07" (1/1) ... [2019-11-26 00:26:07,580 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d1b8b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:26:07, skipping insertion in model container [2019-11-26 00:26:07,581 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:26:07" (1/1) ... [2019-11-26 00:26:07,591 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:26:07,706 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:26:08,635 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:26:08,653 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:26:08,804 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:26:08,929 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:26:08,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:26:08 WrapperNode [2019-11-26 00:26:08,932 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:26:08,933 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:26:08,934 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:26:08,934 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:26:08,958 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:26:08" (1/1) ... [2019-11-26 00:26:08,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:26:08" (1/1) ... [2019-11-26 00:26:09,038 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:26:08" (1/1) ... [2019-11-26 00:26:09,041 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:26:08" (1/1) ... [2019-11-26 00:26:09,105 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:26:08" (1/1) ... [2019-11-26 00:26:09,129 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:26:08" (1/1) ... [2019-11-26 00:26:09,141 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:26:08" (1/1) ... [2019-11-26 00:26:09,156 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:26:09,172 INFO L168 Benchmark]: Toolchain (without parser) took 1611.91 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 958.8 MB in the beginning and 973.9 MB in the end (delta: -15.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:26:09,178 INFO L168 Benchmark]: CDTParser took 3.22 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 00:26:09,180 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1369.10 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 958.8 MB in the beginning and 979.6 MB in the end (delta: -20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-26 00:26:09,182 INFO L168 Benchmark]: Boogie Preprocessor took 226.52 ms. Allocated memory is still 1.0 GB. Free memory was 979.6 MB in the beginning and 973.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 00:26:09,188 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.22 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 1369.10 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 958.8 MB in the beginning and 979.6 MB in the end (delta: -20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 226.52 ms. Allocated memory is still 1.0 GB. Free memory was 979.6 MB in the beginning and 973.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...