./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/verifythis/prefixsum_rec.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) 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/verifythis/prefixsum_rec.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-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-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4f7077bba653370b680c2ff46ec9417a9e7cf514 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/verifythis/prefixsum_rec.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-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-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4f7077bba653370b680c2ff46ec9417a9e7cf514 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 17:47:14,321 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:47:14,325 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:47:14,360 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:47:14,362 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:47:14,366 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:47:14,369 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:47:14,387 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:47:14,390 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:47:14,397 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:47:14,400 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:47:14,403 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:47:14,404 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:47:14,407 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:47:14,409 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:47:14,419 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:47:14,422 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:47:14,430 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:47:14,434 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:47:14,444 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:47:14,448 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:47:14,458 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:47:14,462 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:47:14,467 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:47:14,472 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:47:14,473 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:47:14,473 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:47:14,476 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:47:14,477 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:47:14,482 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:47:14,483 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:47:14,484 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:47:14,484 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:47:14,486 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:47:14,491 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:47:14,492 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:47:14,496 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:47:14,496 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:47:14,497 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:47:14,499 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:47:14,504 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:47:14,505 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2019-11-27 17:47:14,544 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:47:14,545 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:47:14,552 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:47:14,552 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:47:14,554 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:47:14,554 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:47:14,554 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:47:14,556 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:47:14,556 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:47:14,556 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:47:14,560 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:47:14,561 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:47:14,561 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:47:14,562 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:47:14,564 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:47:14,567 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:47:14,567 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:47:14,568 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:47:14,568 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:47:14,568 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:47:14,569 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:47:14,569 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:47:14,572 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:47:14,573 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:47:14,574 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:47:14,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:47:14,575 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-memcleanup) ) 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 -> 4f7077bba653370b680c2ff46ec9417a9e7cf514 [2019-11-27 17:47:15,118 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:47:15,151 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:47:15,157 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:47:15,161 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:47:15,166 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:47:15,167 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/verifythis/prefixsum_rec.c [2019-11-27 17:47:15,346 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/236f5b9b7/bda6b27064664f1e9c3ff2ad08644ee1/FLAGef51c5c31 [2019-11-27 17:47:16,428 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:47:16,432 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/verifythis/prefixsum_rec.c [2019-11-27 17:47:16,449 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/236f5b9b7/bda6b27064664f1e9c3ff2ad08644ee1/FLAGef51c5c31 [2019-11-27 17:47:16,478 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/236f5b9b7/bda6b27064664f1e9c3ff2ad08644ee1 [2019-11-27 17:47:16,482 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:47:16,485 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:47:16,494 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:47:16,494 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:47:16,498 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:47:16,504 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:47:16" (1/1) ... [2019-11-27 17:47:16,511 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50044e83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:16, skipping insertion in model container [2019-11-27 17:47:16,512 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:47:16" (1/1) ... [2019-11-27 17:47:16,527 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:47:16,586 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:47:17,069 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:47:17,112 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:47:17,281 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:47:17,315 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:47:17,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:17 WrapperNode [2019-11-27 17:47:17,316 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:47:17,317 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:47:17,318 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:47:17,319 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:47:17,334 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:17" (1/1) ... [2019-11-27 17:47:17,342 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:17" (1/1) ... [2019-11-27 17:47:17,382 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:17" (1/1) ... [2019-11-27 17:47:17,384 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:17" (1/1) ... [2019-11-27 17:47:17,422 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:17" (1/1) ... [2019-11-27 17:47:17,434 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:17" (1/1) ... [2019-11-27 17:47:17,441 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:17" (1/1) ... [2019-11-27 17:47:17,449 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:47:17,461 INFO L168 Benchmark]: Toolchain (without parser) took 967.27 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.3 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:47:17,474 INFO L168 Benchmark]: CDTParser took 0.37 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 17:47:17,478 INFO L168 Benchmark]: CACSL2BoogieTranslator took 822.98 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.3 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 17:47:17,483 INFO L168 Benchmark]: Boogie Preprocessor took 131.94 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:47:17,491 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 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 822.98 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.3 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 131.94 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 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 0.1.24-509859d [2019-11-27 17:47:21,414 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:47:21,422 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:47:21,456 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:47:21,459 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:47:21,461 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:47:21,466 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:47:21,483 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:47:21,486 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:47:21,494 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:47:21,495 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:47:21,500 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:47:21,503 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:47:21,507 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:47:21,511 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:47:21,516 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:47:21,519 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:47:21,522 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:47:21,526 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:47:21,536 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:47:21,543 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:47:21,549 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:47:21,553 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:47:21,555 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:47:21,562 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:47:21,563 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:47:21,563 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:47:21,568 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:47:21,569 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:47:21,570 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:47:21,573 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:47:21,574 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:47:21,576 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:47:21,579 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:47:21,581 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:47:21,584 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:47:21,585 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:47:21,587 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:47:21,587 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:47:21,589 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:47:21,593 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:47:21,594 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2019-11-27 17:47:21,633 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:47:21,636 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:47:21,640 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:47:21,643 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:47:21,643 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:47:21,644 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:47:21,644 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:47:21,644 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:47:21,644 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:47:21,645 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:47:21,646 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:47:21,646 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:47:21,649 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:47:21,650 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:47:21,650 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:47:21,650 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:47:21,650 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:47:21,651 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:47:21,651 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:47:21,652 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:47:21,654 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:47:21,654 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:47:21,654 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:47:21,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:47:21,655 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:47:21,655 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:47:21,656 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:47:21,657 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:47:21,657 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:47:21,657 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-memcleanup) ) 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 -> 4f7077bba653370b680c2ff46ec9417a9e7cf514 [2019-11-27 17:47:22,222 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:47:22,251 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:47:22,259 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:47:22,263 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:47:22,265 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:47:22,268 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/verifythis/prefixsum_rec.c [2019-11-27 17:47:22,443 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4e4bb5c5/a5da5a41e6284a9aa7145d8fa12264cb/FLAG28c907725 [2019-11-27 17:47:23,542 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:47:23,545 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/verifythis/prefixsum_rec.c [2019-11-27 17:47:23,562 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4e4bb5c5/a5da5a41e6284a9aa7145d8fa12264cb/FLAG28c907725 [2019-11-27 17:47:23,595 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4e4bb5c5/a5da5a41e6284a9aa7145d8fa12264cb [2019-11-27 17:47:23,598 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:47:23,603 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:47:23,607 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:47:23,608 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:47:23,614 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:47:23,615 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:47:23" (1/1) ... [2019-11-27 17:47:23,623 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50044e83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:23, skipping insertion in model container [2019-11-27 17:47:23,624 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:47:23" (1/1) ... [2019-11-27 17:47:23,636 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:47:23,674 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:47:24,218 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:47:24,336 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:47:24,446 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:47:24,478 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:47:24,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:24 WrapperNode [2019-11-27 17:47:24,480 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:47:24,481 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:47:24,481 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:47:24,482 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:47:24,497 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:24" (1/1) ... [2019-11-27 17:47:24,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:24" (1/1) ... [2019-11-27 17:47:24,547 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:24" (1/1) ... [2019-11-27 17:47:24,548 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:24" (1/1) ... [2019-11-27 17:47:24,584 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:24" (1/1) ... [2019-11-27 17:47:24,602 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:24" (1/1) ... [2019-11-27 17:47:24,606 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:24" (1/1) ... [2019-11-27 17:47:24,619 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:47:24,625 INFO L168 Benchmark]: Toolchain (without parser) took 1021.11 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 991.5 MB in the end (delta: -29.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:47:24,632 INFO L168 Benchmark]: CDTParser took 1.15 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 17:47:24,634 INFO L168 Benchmark]: CACSL2BoogieTranslator took 873.84 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.5 MB in the end (delta: -29.8 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. [2019-11-27 17:47:24,635 INFO L168 Benchmark]: Boogie Preprocessor took 140.52 ms. Allocated memory is still 1.0 GB. Free memory is still 991.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:47:24,651 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.15 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 873.84 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.5 MB in the end (delta: -29.8 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 140.52 ms. Allocated memory is still 1.0 GB. Free memory is still 991.5 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...