./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/sum_25x0-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 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_25x0-1.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 4039dcb878ce4fadab8efdd435e8ec3d803b5cc8 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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_25x0-1.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 4039dcb878ce4fadab8efdd435e8ec3d803b5cc8 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 21:18:24,473 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:18:24,476 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:18:24,505 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:18:24,507 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:18:24,508 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:18:24,524 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:18:24,542 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:18:24,549 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:18:24,552 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:18:24,555 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:18:24,562 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:18:24,564 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:18:24,568 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:18:24,573 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:18:24,578 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:18:24,580 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:18:24,584 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:18:24,590 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:18:24,596 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:18:24,605 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:18:24,613 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:18:24,615 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:18:24,623 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:18:24,628 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:18:24,628 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:18:24,629 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:18:24,633 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:18:24,635 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:18:24,639 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:18:24,641 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:18:24,642 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:18:24,644 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:18:24,647 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:18:24,650 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:18:24,651 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:18:24,653 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:18:24,654 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:18:24,654 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:18:24,657 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:18:24,660 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:18:24,661 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:18:24,700 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:18:24,702 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:18:24,706 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:18:24,710 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:18:24,710 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:18:24,711 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:18:24,711 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:18:24,711 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:18:24,712 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:18:24,712 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:18:24,713 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:18:24,714 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:18:24,716 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:18:24,717 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:18:24,717 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:18:24,717 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:18:24,717 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:18:24,718 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:18:24,719 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:18:24,719 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:18:24,721 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:18:24,721 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:18:24,721 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:18:24,722 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:18:24,724 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:18:24,724 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:18:24,724 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:18:24,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:18:24,725 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:18:24,725 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 -> 4039dcb878ce4fadab8efdd435e8ec3d803b5cc8 [2019-11-24 21:18:25,393 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:18:25,423 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:18:25,430 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:18:25,432 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:18:25,438 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:18:25,438 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/sum_25x0-1.c [2019-11-24 21:18:25,600 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9490146e0/6139d0855e9746c0b92f1797e6a2cfce/FLAGae69a2d92 [2019-11-24 21:18:26,632 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:18:26,633 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/sum_25x0-1.c [2019-11-24 21:18:26,651 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9490146e0/6139d0855e9746c0b92f1797e6a2cfce/FLAGae69a2d92 [2019-11-24 21:18:26,690 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9490146e0/6139d0855e9746c0b92f1797e6a2cfce [2019-11-24 21:18:26,697 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:18:26,699 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:18:26,705 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:18:26,709 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:18:26,713 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:18:26,716 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:18:26" (1/1) ... [2019-11-24 21:18:26,723 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3840934b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:26, skipping insertion in model container [2019-11-24 21:18:26,726 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:18:26" (1/1) ... [2019-11-24 21:18:26,743 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:18:26,785 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:18:27,150 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:18:27,161 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:18:27,184 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:18:27,223 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:18:27,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:27 WrapperNode [2019-11-24 21:18:27,225 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:18:27,232 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:18:27,232 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:18:27,232 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:18:27,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:27" (1/1) ... [2019-11-24 21:18:27,262 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:27" (1/1) ... [2019-11-24 21:18:27,296 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:18:27,306 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:18:27,306 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:18:27,306 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:18:27,399 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:27" (1/1) ... [2019-11-24 21:18:27,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:27" (1/1) ... [2019-11-24 21:18:27,401 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:27" (1/1) ... [2019-11-24 21:18:27,401 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:27" (1/1) ... [2019-11-24 21:18:27,404 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:27" (1/1) ... [2019-11-24 21:18:27,406 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:27" (1/1) ... [2019-11-24 21:18:27,407 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:27" (1/1) ... [2019-11-24 21:18:27,409 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:18:27,429 INFO L168 Benchmark]: Toolchain (without parser) took 712.26 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. [2019-11-24 21:18:27,434 INFO L168 Benchmark]: CDTParser took 0.87 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. [2019-11-24 21:18:27,435 INFO L168 Benchmark]: CACSL2BoogieTranslator took 520.46 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. [2019-11-24 21:18:27,437 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.65 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. [2019-11-24 21:18:27,444 INFO L168 Benchmark]: Boogie Preprocessor took 103.46 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. [2019-11-24 21:18:27,454 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.87 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 520.46 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 73.65 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 103.46 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 0.1.24-32f2683 [2019-11-24 21:18:31,296 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:18:31,303 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:18:31,336 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:18:31,338 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:18:31,343 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:18:31,345 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:18:31,360 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:18:31,367 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:18:31,372 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:18:31,374 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:18:31,379 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:18:31,380 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:18:31,385 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:18:31,387 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:18:31,390 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:18:31,393 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:18:31,396 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:18:31,400 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:18:31,409 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:18:31,417 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:18:31,422 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:18:31,423 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:18:31,431 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:18:31,435 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:18:31,436 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:18:31,439 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:18:31,441 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:18:31,442 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:18:31,445 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:18:31,447 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:18:31,448 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:18:31,449 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:18:31,453 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:18:31,456 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:18:31,457 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:18:31,458 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:18:31,461 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:18:31,461 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:18:31,462 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:18:31,467 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:18:31,468 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:18:31,518 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:18:31,525 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:18:31,526 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:18:31,530 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:18:31,532 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:18:31,532 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:18:31,533 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:18:31,533 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:18:31,533 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:18:31,534 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:18:31,537 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:18:31,537 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:18:31,537 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:18:31,539 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:18:31,539 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:18:31,539 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:18:31,540 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:18:31,542 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:18:31,542 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:18:31,543 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:18:31,543 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:18:31,545 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:18:31,545 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:18:31,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:18:31,546 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:18:31,548 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:18:31,548 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:18:31,548 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:18:31,549 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:18:31,549 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:18:31,553 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:18:31,553 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 -> 4039dcb878ce4fadab8efdd435e8ec3d803b5cc8 [2019-11-24 21:18:32,077 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:18:32,117 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:18:32,124 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:18:32,128 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:18:32,131 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:18:32,133 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/sum_25x0-1.c [2019-11-24 21:18:32,292 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5bff0860/f98bc63d960b4437b601818823bf6b1c/FLAG43ee74d14 [2019-11-24 21:18:33,321 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:18:33,326 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/sum_25x0-1.c [2019-11-24 21:18:33,338 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5bff0860/f98bc63d960b4437b601818823bf6b1c/FLAG43ee74d14 [2019-11-24 21:18:33,376 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5bff0860/f98bc63d960b4437b601818823bf6b1c [2019-11-24 21:18:33,385 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:18:33,387 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:18:33,393 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:18:33,394 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:18:33,403 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:18:33,404 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:18:33" (1/1) ... [2019-11-24 21:18:33,412 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@232dfd5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:33, skipping insertion in model container [2019-11-24 21:18:33,413 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:18:33" (1/1) ... [2019-11-24 21:18:33,426 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:18:33,473 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:18:33,803 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:18:33,814 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:18:33,839 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:18:33,858 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:18:33,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:33 WrapperNode [2019-11-24 21:18:33,861 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:18:33,862 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:18:33,863 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:18:33,864 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:18:33,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:33" (1/1) ... [2019-11-24 21:18:33,961 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:33" (1/1) ... [2019-11-24 21:18:33,998 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:18:33,999 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:18:33,999 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:18:33,999 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:18:34,028 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:33" (1/1) ... [2019-11-24 21:18:34,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:33" (1/1) ... [2019-11-24 21:18:34,033 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:33" (1/1) ... [2019-11-24 21:18:34,034 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:33" (1/1) ... [2019-11-24 21:18:34,043 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:33" (1/1) ... [2019-11-24 21:18:34,047 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:33" (1/1) ... [2019-11-24 21:18:34,048 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:33" (1/1) ... [2019-11-24 21:18:34,050 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:18:34,065 INFO L168 Benchmark]: Toolchain (without parser) took 665.86 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. [2019-11-24 21:18:34,067 INFO L168 Benchmark]: CDTParser took 0.50 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. [2019-11-24 21:18:34,071 INFO L168 Benchmark]: CACSL2BoogieTranslator took 469.17 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. [2019-11-24 21:18:34,073 INFO L168 Benchmark]: Boogie Procedure Inliner took 135.86 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 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. [2019-11-24 21:18:34,077 INFO L168 Benchmark]: Boogie Preprocessor took 52.06 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. [2019-11-24 21:18:34,088 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 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 469.17 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 135.86 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 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 52.06 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...