./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 da95e156 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/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-da95e15 [2019-11-27 11:23:30,224 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:23:30,226 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:23:30,247 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:23:30,248 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:23:30,259 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:23:30,261 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:23:30,273 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:23:30,279 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:23:30,285 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:23:30,289 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:23:30,292 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:23:30,295 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:23:30,302 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:23:30,304 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:23:30,307 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:23:30,312 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:23:30,313 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:23:30,315 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:23:30,323 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:23:30,327 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:23:30,332 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:23:30,333 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:23:30,337 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:23:30,342 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:23:30,343 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:23:30,344 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:23:30,347 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:23:30,347 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:23:30,348 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:23:30,352 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:23:30,353 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:23:30,353 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:23:30,354 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:23:30,355 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:23:30,357 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:23:30,358 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:23:30,359 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:23:30,359 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:23:30,360 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:23:30,363 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:23:30,363 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 11:23:30,393 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:23:30,393 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:23:30,398 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:23:30,398 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:23:30,398 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:23:30,399 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:23:30,399 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:23:30,399 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:23:30,399 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:23:30,402 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:23:30,403 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:23:30,403 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:23:30,403 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:23:30,404 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:23:30,404 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:23:30,404 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:23:30,404 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:23:30,405 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:23:30,405 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:23:30,405 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:23:30,405 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:23:30,407 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:23:30,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:23:30,407 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:23:30,407 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:23:30,408 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 11:23:30,408 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 11:23:30,409 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 11:23:30,817 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:23:30,835 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:23:30,841 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:23:30,843 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:23:30,845 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:23:30,846 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/invert_string-2.c [2019-11-27 11:23:30,931 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c8468fff/e008392963d64f06b6401c6ac306908b/FLAGb6bd39e80 [2019-11-27 11:23:31,641 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:23:31,642 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/invert_string-2.c [2019-11-27 11:23:31,651 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c8468fff/e008392963d64f06b6401c6ac306908b/FLAGb6bd39e80 [2019-11-27 11:23:31,984 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c8468fff/e008392963d64f06b6401c6ac306908b [2019-11-27 11:23:31,989 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:23:31,990 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:23:31,991 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:31,997 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:23:32,002 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:23:32,003 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:31" (1/1) ... [2019-11-27 11:23:32,006 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79f65d96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:32, skipping insertion in model container [2019-11-27 11:23:32,006 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:31" (1/1) ... [2019-11-27 11:23:32,017 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:23:32,040 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:23:32,312 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:32,318 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:23:32,348 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:32,432 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:23:32,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:32 WrapperNode [2019-11-27 11:23:32,433 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:32,434 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:23:32,434 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:23:32,434 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:23:32,445 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:32" (1/1) ... [2019-11-27 11:23:32,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:32" (1/1) ... [2019-11-27 11:23:32,469 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:32" (1/1) ... [2019-11-27 11:23:32,470 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:32" (1/1) ... [2019-11-27 11:23:32,489 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:32" (1/1) ... [2019-11-27 11:23:32,495 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:32" (1/1) ... [2019-11-27 11:23:32,500 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:32" (1/1) ... [2019-11-27 11:23:32,504 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:23:32,523 INFO L168 Benchmark]: Toolchain (without parser) took 516.54 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 989.9 MB in the end (delta: -28.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:23:32,525 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:23:32,528 INFO L168 Benchmark]: CACSL2BoogieTranslator took 442.38 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. [2019-11-27 11:23:32,529 INFO L168 Benchmark]: Boogie Preprocessor took 70.96 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 989.9 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:32,539 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 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 442.38 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. * Boogie Preprocessor took 70.96 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 989.9 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 11:23:35,207 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:23:35,209 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:23:35,228 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:23:35,230 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:23:35,239 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:23:35,243 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:23:35,245 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:23:35,261 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:23:35,265 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:23:35,267 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:23:35,272 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:23:35,273 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:23:35,274 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:23:35,277 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:23:35,278 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:23:35,282 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:23:35,283 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:23:35,289 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:23:35,291 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:23:35,299 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:23:35,300 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:23:35,301 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:23:35,302 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:23:35,310 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:23:35,311 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:23:35,311 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:23:35,313 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:23:35,314 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:23:35,315 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:23:35,320 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:23:35,321 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:23:35,321 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:23:35,322 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:23:35,326 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:23:35,326 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:23:35,327 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:23:35,327 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:23:35,327 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:23:35,333 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:23:35,334 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:23:35,338 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 11:23:35,365 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:23:35,365 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:23:35,369 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:23:35,369 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:23:35,369 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:23:35,371 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:23:35,371 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:23:35,371 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:23:35,371 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:23:35,372 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:23:35,372 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:23:35,374 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:23:35,374 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:23:35,374 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:23:35,374 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:23:35,375 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:23:35,377 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 11:23:35,377 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 11:23:35,377 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:23:35,377 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:23:35,378 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:23:35,378 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:23:35,378 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:23:35,378 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:23:35,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:23:35,379 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:23:35,379 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:23:35,381 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 11:23:35,381 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 11:23:35,381 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 11:23:35,382 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 11:23:35,813 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:23:35,828 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:23:35,833 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:23:35,837 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:23:35,839 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:23:35,840 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/invert_string-2.c [2019-11-27 11:23:35,943 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0356127cb/cea1cd6eed8a43bb867a32e12c3ac661/FLAGbc7330111 [2019-11-27 11:23:36,654 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:23:36,655 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/invert_string-2.c [2019-11-27 11:23:36,665 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0356127cb/cea1cd6eed8a43bb867a32e12c3ac661/FLAGbc7330111 [2019-11-27 11:23:36,996 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0356127cb/cea1cd6eed8a43bb867a32e12c3ac661 [2019-11-27 11:23:37,003 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:23:37,005 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:23:37,011 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:37,011 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:23:37,018 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:23:37,018 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:36" (1/1) ... [2019-11-27 11:23:37,027 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79f65d96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:37, skipping insertion in model container [2019-11-27 11:23:37,027 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:36" (1/1) ... [2019-11-27 11:23:37,040 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:23:37,063 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:23:37,383 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:37,396 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:23:37,435 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:37,530 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:23:37,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:37 WrapperNode [2019-11-27 11:23:37,531 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:37,532 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:23:37,532 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:23:37,532 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:23:37,545 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:37" (1/1) ... [2019-11-27 11:23:37,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:37" (1/1) ... [2019-11-27 11:23:37,570 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:37" (1/1) ... [2019-11-27 11:23:37,572 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:37" (1/1) ... [2019-11-27 11:23:37,592 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:37" (1/1) ... [2019-11-27 11:23:37,600 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:37" (1/1) ... [2019-11-27 11:23:37,609 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:37" (1/1) ... [2019-11-27 11:23:37,613 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:23:37,618 INFO L168 Benchmark]: Toolchain (without parser) took 611.51 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 991.1 MB in the end (delta: -29.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:23:37,621 INFO L168 Benchmark]: CDTParser took 1.51 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:23:37,622 INFO L168 Benchmark]: CACSL2BoogieTranslator took 520.53 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 11:23:37,623 INFO L168 Benchmark]: Boogie Preprocessor took 82.76 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 11:23:37,635 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.51 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 520.53 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 82.76 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...