./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/sum_20x0-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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/AutomizerReach.xml -i ../sv-benchmarks/c/recursive-simple/sum_20x0-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f4078ef7bc39da0337b6d8ed5ecbbcec336a37b8 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/AutomizerReach.xml -i ../sv-benchmarks/c/recursive-simple/sum_20x0-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f4078ef7bc39da0337b6d8ed5ecbbcec336a37b8 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:21:57,272 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:21:57,278 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:21:57,313 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:21:57,317 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:21:57,320 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:21:57,325 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:21:57,338 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:21:57,347 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:21:57,353 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:21:57,354 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:21:57,359 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:21:57,362 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:21:57,367 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:21:57,368 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:21:57,372 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:21:57,377 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:21:57,378 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:21:57,383 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:21:57,391 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:21:57,398 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:21:57,407 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:21:57,408 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:21:57,413 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:21:57,419 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:21:57,422 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:21:57,422 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:21:57,424 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:21:57,427 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:21:57,428 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:21:57,429 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:21:57,430 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:21:57,432 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:21:57,436 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:21:57,439 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:21:57,441 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:21:57,442 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:21:57,444 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:21:57,444 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:21:57,448 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:21:57,450 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:21:57,452 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:21:57,505 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:21:57,511 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:21:57,518 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:21:57,518 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:21:57,519 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:21:57,519 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:21:57,520 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:21:57,521 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:21:57,523 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:21:57,523 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:21:57,527 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:21:57,527 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:21:57,528 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:21:57,528 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:21:57,530 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:21:57,530 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:21:57,530 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:21:57,531 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:21:57,531 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:21:57,533 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:21:57,533 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:21:57,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:21:57,535 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:21:57,535 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:21:57,535 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:21:57,537 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:21:57,538 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:21:57,538 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:21:57,538 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 ! call(__VERIFIER_error())) ) 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 -> f4078ef7bc39da0337b6d8ed5ecbbcec336a37b8 [2019-11-27 16:21:58,153 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:21:58,185 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:21:58,189 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:21:58,194 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:21:58,197 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:21:58,199 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/sum_20x0-2.c [2019-11-27 16:21:58,362 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee0c685b5/cbe7f68baf9648bba66b39866d95de35/FLAG2c16e3047 [2019-11-27 16:21:59,377 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:21:59,382 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/sum_20x0-2.c [2019-11-27 16:21:59,397 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee0c685b5/cbe7f68baf9648bba66b39866d95de35/FLAG2c16e3047 [2019-11-27 16:21:59,436 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee0c685b5/cbe7f68baf9648bba66b39866d95de35 [2019-11-27 16:21:59,444 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:21:59,452 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:21:59,456 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:59,457 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:21:59,463 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:21:59,469 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:59" (1/1) ... [2019-11-27 16:21:59,476 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c9b2ded and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:59, skipping insertion in model container [2019-11-27 16:21:59,477 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:59" (1/1) ... [2019-11-27 16:21:59,498 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:21:59,540 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:21:59,970 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:59,985 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:22:00,026 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:22:00,060 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:22:00,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:00 WrapperNode [2019-11-27 16:22:00,064 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:22:00,065 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:22:00,065 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:22:00,065 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:22:00,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:00" (1/1) ... [2019-11-27 16:22:00,101 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:00" (1/1) ... [2019-11-27 16:22:00,142 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:22:00,144 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:22:00,145 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:22:00,152 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:22:00,262 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:00" (1/1) ... [2019-11-27 16:22:00,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:00" (1/1) ... [2019-11-27 16:22:00,265 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:00" (1/1) ... [2019-11-27 16:22:00,266 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:00" (1/1) ... [2019-11-27 16:22:00,273 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:00" (1/1) ... [2019-11-27 16:22:00,278 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:00" (1/1) ... [2019-11-27 16:22:00,279 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:00" (1/1) ... [2019-11-27 16:22:00,283 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:22:00,294 INFO L168 Benchmark]: Toolchain (without parser) took 838.86 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 16:22:00,297 INFO L168 Benchmark]: CDTParser took 2.38 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 16:22:00,301 INFO L168 Benchmark]: CACSL2BoogieTranslator took 607.72 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:22:00,302 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.28 ms. Allocated memory is still 1.0 GB. Free memory is still 950.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:22:00,307 INFO L168 Benchmark]: Boogie Preprocessor took 139.22 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.8 MB in the end (delta: -46.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 12.5 GB. [2019-11-27 16:22:00,319 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.38 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 607.72 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 79.28 ms. Allocated memory is still 1.0 GB. Free memory is still 950.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 139.22 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.8 MB in the end (delta: -46.5 MB). Peak memory consumption was 9.4 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 16:22:04,283 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:22:04,290 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:22:04,329 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:22:04,330 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:22:04,334 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:22:04,338 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:22:04,356 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:22:04,362 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:22:04,367 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:22:04,373 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:22:04,380 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:22:04,381 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:22:04,387 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:22:04,392 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:22:04,397 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:22:04,400 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:22:04,404 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:22:04,412 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:22:04,422 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:22:04,431 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:22:04,435 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:22:04,440 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:22:04,442 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:22:04,452 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:22:04,453 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:22:04,454 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:22:04,458 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:22:04,459 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:22:04,460 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:22:04,462 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:22:04,466 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:22:04,467 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:22:04,471 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:22:04,473 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:22:04,474 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:22:04,477 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:22:04,477 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:22:04,477 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:22:04,483 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:22:04,485 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:22:04,486 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:22:04,529 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:22:04,530 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:22:04,536 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:22:04,537 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:22:04,537 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:22:04,538 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:22:04,538 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:22:04,538 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:22:04,541 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:22:04,541 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:22:04,543 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:22:04,543 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:22:04,543 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:22:04,544 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:22:04,544 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:22:04,546 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:22:04,546 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:22:04,546 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:22:04,547 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:22:04,549 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:22:04,549 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:22:04,549 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:22:04,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:22:04,550 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:22:04,550 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:22:04,552 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:22:04,552 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:22:04,552 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:22:04,553 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:22:04,553 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:22:04,554 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 ! call(__VERIFIER_error())) ) 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 -> f4078ef7bc39da0337b6d8ed5ecbbcec336a37b8 [2019-11-27 16:22:05,118 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:22:05,148 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:22:05,154 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:22:05,162 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:22:05,165 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:22:05,167 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/sum_20x0-2.c [2019-11-27 16:22:05,337 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/005b1122f/4ce50ec590c44101b6ec9947239177f8/FLAGb27cf0afd [2019-11-27 16:22:06,343 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:22:06,345 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/sum_20x0-2.c [2019-11-27 16:22:06,359 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/005b1122f/4ce50ec590c44101b6ec9947239177f8/FLAGb27cf0afd [2019-11-27 16:22:06,397 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/005b1122f/4ce50ec590c44101b6ec9947239177f8 [2019-11-27 16:22:06,405 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:22:06,411 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:22:06,413 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:22:06,416 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:22:06,420 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:22:06,424 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:22:06" (1/1) ... [2019-11-27 16:22:06,432 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6967189c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:06, skipping insertion in model container [2019-11-27 16:22:06,435 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:22:06" (1/1) ... [2019-11-27 16:22:06,454 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:22:06,498 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:22:06,927 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:22:06,941 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:22:06,984 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:22:07,023 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:22:07,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:07 WrapperNode [2019-11-27 16:22:07,026 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:22:07,029 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:22:07,029 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:22:07,029 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:22:07,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:07" (1/1) ... [2019-11-27 16:22:07,145 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:07" (1/1) ... [2019-11-27 16:22:07,188 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:22:07,190 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:22:07,192 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:22:07,192 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:22:07,211 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:07" (1/1) ... [2019-11-27 16:22:07,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:07" (1/1) ... [2019-11-27 16:22:07,213 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:07" (1/1) ... [2019-11-27 16:22:07,213 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:07" (1/1) ... [2019-11-27 16:22:07,220 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:07" (1/1) ... [2019-11-27 16:22:07,224 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:07" (1/1) ... [2019-11-27 16:22:07,225 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:07" (1/1) ... [2019-11-27 16:22:07,227 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:22:07,233 INFO L168 Benchmark]: Toolchain (without parser) took 821.86 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 997.0 MB in the end (delta: -35.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:22:07,235 INFO L168 Benchmark]: CDTParser took 0.47 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 16:22:07,239 INFO L168 Benchmark]: CACSL2BoogieTranslator took 615.46 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:22:07,247 INFO L168 Benchmark]: Boogie Procedure Inliner took 161.11 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 16:22:07,249 INFO L168 Benchmark]: Boogie Preprocessor took 37.42 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:22:07,268 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 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 615.46 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 161.11 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 37.42 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 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...