./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-invgen/nested6.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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/AutomizerReach.xml -i ../sv-benchmarks/c/loop-invgen/nested6.i -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 934ee9c856a834ce808d29dea79c6912619f897f ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/loop-invgen/nested6.i -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 934ee9c856a834ce808d29dea79c6912619f897f .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:51:37,350 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:51:37,356 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:51:37,394 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:51:37,395 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:51:37,397 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:51:37,402 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:51:37,404 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:51:37,427 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:51:37,430 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:51:37,432 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:51:37,434 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:51:37,435 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:51:37,441 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:51:37,442 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:51:37,448 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:51:37,451 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:51:37,461 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:51:37,466 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:51:37,475 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:51:37,482 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:51:37,490 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:51:37,496 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:51:37,497 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:51:37,506 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:51:37,508 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:51:37,508 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:51:37,513 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:51:37,514 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:51:37,515 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:51:37,516 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:51:37,517 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:51:37,522 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:51:37,525 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:51:37,529 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:51:37,530 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:51:37,531 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:51:37,534 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:51:37,534 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:51:37,536 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:51:37,540 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:51:37,541 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:51:37,583 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:51:37,585 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:51:37,592 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:51:37,592 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:51:37,593 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:51:37,596 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:51:37,596 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:51:37,597 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:51:37,597 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:51:37,597 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:51:37,599 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:51:37,599 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:51:37,599 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:51:37,600 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:51:37,600 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:51:37,602 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:51:37,602 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:51:37,602 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:51:37,604 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:51:37,604 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:51:37,604 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:51:37,605 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:51:37,607 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:51:37,607 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:51:37,608 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:51:37,608 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:51:37,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:51:37,609 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:51:37,613 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 -> 934ee9c856a834ce808d29dea79c6912619f897f [2019-11-27 09:51:38,260 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:51:38,294 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:51:38,305 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:51:38,306 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:51:38,308 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:51:38,310 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invgen/nested6.i [2019-11-27 09:51:38,474 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acb7a450f/b2b170fb5d214d20b6918a25b0dc03fa/FLAG705c6061f [2019-11-27 09:51:39,505 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:51:39,506 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/nested6.i [2019-11-27 09:51:39,525 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acb7a450f/b2b170fb5d214d20b6918a25b0dc03fa/FLAG705c6061f [2019-11-27 09:51:39,560 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acb7a450f/b2b170fb5d214d20b6918a25b0dc03fa [2019-11-27 09:51:39,570 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:51:39,574 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:51:39,579 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:51:39,582 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:51:39,586 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:51:39,590 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:51:39" (1/1) ... [2019-11-27 09:51:39,600 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f01879f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:39, skipping insertion in model container [2019-11-27 09:51:39,601 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:51:39" (1/1) ... [2019-11-27 09:51:39,620 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:51:39,666 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:51:40,092 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:51:40,103 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:51:40,152 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:51:40,172 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:51:40,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:40 WrapperNode [2019-11-27 09:51:40,174 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:51:40,182 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:51:40,182 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:51:40,182 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:51:40,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:40" (1/1) ... [2019-11-27 09:51:40,202 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:40" (1/1) ... [2019-11-27 09:51:40,350 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:51:40,354 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:51:40,354 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:51:40,354 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:51:40,374 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:40" (1/1) ... [2019-11-27 09:51:40,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:40" (1/1) ... [2019-11-27 09:51:40,381 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:40" (1/1) ... [2019-11-27 09:51:40,382 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:40" (1/1) ... [2019-11-27 09:51:40,399 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:40" (1/1) ... [2019-11-27 09:51:40,413 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:40" (1/1) ... [2019-11-27 09:51:40,422 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:40" (1/1) ... [2019-11-27 09:51:40,427 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:51:40,441 INFO L168 Benchmark]: Toolchain (without parser) took 860.17 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 09:51:40,445 INFO L168 Benchmark]: CDTParser took 4.05 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 09:51:40,447 INFO L168 Benchmark]: CACSL2BoogieTranslator took 595.95 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 09:51:40,451 INFO L168 Benchmark]: Boogie Procedure Inliner took 171.63 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: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-27 09:51:40,455 INFO L168 Benchmark]: Boogie Preprocessor took 77.94 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 09:51:40,466 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 4.05 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 595.95 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 171.63 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: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 77.94 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... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 09:51:44,397 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:51:44,404 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:51:44,439 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:51:44,442 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:51:44,445 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:51:44,450 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:51:44,466 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:51:44,471 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:51:44,476 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:51:44,479 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:51:44,485 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:51:44,487 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:51:44,493 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:51:44,498 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:51:44,501 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:51:44,505 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:51:44,508 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:51:44,514 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:51:44,522 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:51:44,530 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:51:44,537 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:51:44,540 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:51:44,545 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:51:44,551 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:51:44,553 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:51:44,553 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:51:44,557 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:51:44,558 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:51:44,562 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:51:44,562 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:51:44,563 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:51:44,567 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:51:44,572 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:51:44,574 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:51:44,575 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:51:44,578 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:51:44,578 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:51:44,579 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:51:44,580 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:51:44,586 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:51:44,587 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:51:44,625 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:51:44,628 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:51:44,631 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:51:44,631 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:51:44,631 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:51:44,632 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:51:44,633 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:51:44,633 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:51:44,633 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:51:44,636 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:51:44,637 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:51:44,638 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:51:44,638 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:51:44,639 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:51:44,639 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:51:44,641 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:51:44,641 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:51:44,641 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:51:44,642 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:51:44,642 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:51:44,643 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:51:44,646 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:51:44,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:51:44,647 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:51:44,647 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:51:44,647 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:51:44,647 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:51:44,648 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:51:44,648 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:51:44,648 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:51:44,650 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 -> 934ee9c856a834ce808d29dea79c6912619f897f [2019-11-27 09:51:45,199 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:51:45,229 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:51:45,237 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:51:45,242 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:51:45,245 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:51:45,247 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invgen/nested6.i [2019-11-27 09:51:45,408 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce1b221a7/cd24258386ff42ca80b974fab1144bab/FLAG3d47563d8 [2019-11-27 09:51:46,431 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:51:46,432 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/nested6.i [2019-11-27 09:51:46,446 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce1b221a7/cd24258386ff42ca80b974fab1144bab/FLAG3d47563d8 [2019-11-27 09:51:46,472 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce1b221a7/cd24258386ff42ca80b974fab1144bab [2019-11-27 09:51:46,485 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:51:46,487 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:51:46,491 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:51:46,492 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:51:46,499 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:51:46,501 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:51:46" (1/1) ... [2019-11-27 09:51:46,512 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d465a67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:46, skipping insertion in model container [2019-11-27 09:51:46,515 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:51:46" (1/1) ... [2019-11-27 09:51:46,532 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:51:46,581 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:51:46,985 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:51:46,999 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:51:47,049 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:51:47,084 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:51:47,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:47 WrapperNode [2019-11-27 09:51:47,090 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:51:47,091 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:51:47,091 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:51:47,091 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:51:47,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:47" (1/1) ... [2019-11-27 09:51:47,217 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:47" (1/1) ... [2019-11-27 09:51:47,266 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:51:47,267 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:51:47,267 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:51:47,267 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:51:47,289 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:47" (1/1) ... [2019-11-27 09:51:47,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:47" (1/1) ... [2019-11-27 09:51:47,295 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:47" (1/1) ... [2019-11-27 09:51:47,295 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:47" (1/1) ... [2019-11-27 09:51:47,313 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:47" (1/1) ... [2019-11-27 09:51:47,327 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:47" (1/1) ... [2019-11-27 09:51:47,342 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:47" (1/1) ... [2019-11-27 09:51:47,346 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:51:47,357 INFO L168 Benchmark]: Toolchain (without parser) took 869.29 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 09:51:47,363 INFO L168 Benchmark]: CDTParser took 0.31 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 09:51:47,365 INFO L168 Benchmark]: CACSL2BoogieTranslator took 599.14 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 09:51:47,371 INFO L168 Benchmark]: Boogie Procedure Inliner took 175.47 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 09:51:47,374 INFO L168 Benchmark]: Boogie Preprocessor took 86.84 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:51:47,386 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 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 599.14 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 175.47 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 86.84 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 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...