./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/loops/invert_string-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/loops/invert_string-2.c -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 01c8dcbf548ac0eef8cebe655947adbb13d26f9a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/loops/invert_string-2.c -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 01c8dcbf548ac0eef8cebe655947adbb13d26f9a .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 17:45:58,015 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:45:58,021 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:45:58,056 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:45:58,057 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:45:58,059 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:45:58,063 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:45:58,080 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:45:58,084 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:45:58,087 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:45:58,091 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:45:58,097 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:45:58,098 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:45:58,107 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:45:58,108 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:45:58,111 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:45:58,114 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:45:58,117 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:45:58,124 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:45:58,132 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:45:58,140 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:45:58,147 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:45:58,149 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:45:58,153 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:45:58,160 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:45:58,161 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:45:58,161 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:45:58,164 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:45:58,164 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:45:58,167 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:45:58,168 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:45:58,171 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:45:58,173 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:45:58,174 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:45:58,178 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:45:58,179 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:45:58,180 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:45:58,183 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:45:58,183 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:45:58,184 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:45:58,190 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:45:58,191 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 17:45:58,232 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:45:58,234 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:45:58,239 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:45:58,239 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:45:58,240 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:45:58,240 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:45:58,240 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:45:58,241 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:45:58,241 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:45:58,243 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:45:58,244 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:45:58,245 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:45:58,245 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:45:58,245 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:45:58,246 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:45:58,248 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:45:58,248 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:45:58,248 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:45:58,249 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:45:58,249 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:45:58,249 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:45:58,250 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:45:58,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:45:58,251 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:45:58,251 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:45:58,254 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:45:58,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:45:58,254 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 -> 01c8dcbf548ac0eef8cebe655947adbb13d26f9a [2019-11-27 17:45:58,771 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:45:58,802 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:45:58,808 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:45:58,812 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:45:58,813 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:45:58,814 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/invert_string-2.c [2019-11-27 17:45:58,973 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abc024591/511232ab0acb47efbe56d59142732fb1/FLAG222eb552a [2019-11-27 17:46:00,034 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:46:00,036 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/invert_string-2.c [2019-11-27 17:46:00,050 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abc024591/511232ab0acb47efbe56d59142732fb1/FLAG222eb552a [2019-11-27 17:46:00,090 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abc024591/511232ab0acb47efbe56d59142732fb1 [2019-11-27 17:46:00,099 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:46:00,106 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:46:00,107 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:46:00,109 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:46:00,118 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:46:00,122 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:46:00" (1/1) ... [2019-11-27 17:46:00,129 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c10032a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:00, skipping insertion in model container [2019-11-27 17:46:00,132 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:46:00" (1/1) ... [2019-11-27 17:46:00,150 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:46:00,200 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:46:00,644 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:46:00,665 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:46:00,738 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:46:00,857 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:46:00,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:00 WrapperNode [2019-11-27 17:46:00,864 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:46:00,865 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:46:00,865 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:46:00,865 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:46:00,901 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:00" (1/1) ... [2019-11-27 17:46:00,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:00" (1/1) ... [2019-11-27 17:46:00,925 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:00" (1/1) ... [2019-11-27 17:46:00,926 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:00" (1/1) ... [2019-11-27 17:46:00,960 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:00" (1/1) ... [2019-11-27 17:46:00,972 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:00" (1/1) ... [2019-11-27 17:46:00,985 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:00" (1/1) ... [2019-11-27 17:46:00,989 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:46:01,001 INFO L168 Benchmark]: Toolchain (without parser) took 890.39 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 991.1 MB in the end (delta: -30.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:46:01,006 INFO L168 Benchmark]: CDTParser took 1.64 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:46:01,008 INFO L168 Benchmark]: CACSL2BoogieTranslator took 757.31 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 996.9 MB in the end (delta: -36.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:46:01,014 INFO L168 Benchmark]: Boogie Preprocessor took 127.71 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:46:01,024 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.64 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 757.31 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 996.9 MB in the end (delta: -36.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 127.71 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.1 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... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 17:46:04,995 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:46:04,998 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:46:05,045 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:46:05,047 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:46:05,050 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:46:05,067 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:46:05,081 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:46:05,086 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:46:05,091 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:46:05,092 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:46:05,098 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:46:05,100 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:46:05,106 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:46:05,109 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:46:05,114 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:46:05,116 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:46:05,121 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:46:05,127 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:46:05,135 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:46:05,143 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:46:05,150 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:46:05,152 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:46:05,157 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:46:05,165 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:46:05,165 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:46:05,166 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:46:05,168 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:46:05,169 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:46:05,170 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:46:05,172 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:46:05,173 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:46:05,176 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:46:05,179 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:46:05,183 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:46:05,183 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:46:05,184 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:46:05,188 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:46:05,188 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:46:05,190 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:46:05,191 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:46:05,193 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 17:46:05,232 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:46:05,233 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:46:05,238 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:46:05,238 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:46:05,238 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:46:05,239 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:46:05,241 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:46:05,241 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:46:05,241 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:46:05,242 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:46:05,243 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:46:05,246 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:46:05,246 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:46:05,247 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:46:05,247 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:46:05,248 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:46:05,248 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:46:05,248 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:46:05,248 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:46:05,249 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:46:05,253 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:46:05,253 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:46:05,254 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:46:05,254 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:46:05,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:46:05,254 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:46:05,255 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:46:05,255 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:46:05,255 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:46:05,256 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:46:05,257 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 -> 01c8dcbf548ac0eef8cebe655947adbb13d26f9a [2019-11-27 17:46:05,825 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:46:05,852 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:46:05,862 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:46:05,865 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:46:05,867 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:46:05,869 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/invert_string-2.c [2019-11-27 17:46:06,023 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cb4eb34e/76dcd1d5bba24a6791d90cb2f7f2e02a/FLAG5406cb0ae [2019-11-27 17:46:06,984 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:46:06,984 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/invert_string-2.c [2019-11-27 17:46:06,998 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cb4eb34e/76dcd1d5bba24a6791d90cb2f7f2e02a/FLAG5406cb0ae [2019-11-27 17:46:07,161 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cb4eb34e/76dcd1d5bba24a6791d90cb2f7f2e02a [2019-11-27 17:46:07,168 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:46:07,172 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:46:07,184 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:46:07,185 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:46:07,194 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:46:07,195 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:46:07" (1/1) ... [2019-11-27 17:46:07,203 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a9841a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:07, skipping insertion in model container [2019-11-27 17:46:07,204 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:46:07" (1/1) ... [2019-11-27 17:46:07,222 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:46:07,269 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:46:07,704 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:46:07,713 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:46:07,784 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:46:07,915 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:46:07,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:07 WrapperNode [2019-11-27 17:46:07,917 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:46:07,918 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:46:07,919 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:46:07,920 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:46:07,938 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:07" (1/1) ... [2019-11-27 17:46:07,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:07" (1/1) ... [2019-11-27 17:46:07,966 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:07" (1/1) ... [2019-11-27 17:46:07,966 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:07" (1/1) ... [2019-11-27 17:46:07,993 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:07" (1/1) ... [2019-11-27 17:46:08,006 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:07" (1/1) ... [2019-11-27 17:46:08,012 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:07" (1/1) ... [2019-11-27 17:46:08,018 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:46:08,025 INFO L168 Benchmark]: Toolchain (without parser) took 853.89 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 991.1 MB in the end (delta: -29.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:46:08,028 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:46:08,030 INFO L168 Benchmark]: CACSL2BoogieTranslator took 733.51 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 996.8 MB in the end (delta: -35.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 17:46:08,032 INFO L168 Benchmark]: Boogie Preprocessor took 102.45 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:46:08,054 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 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 733.51 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 996.8 MB in the end (delta: -35.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 102.45 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 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...