./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/sum_2x3-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 65d6cd23 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_2x3-1.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 5417ea5971c5cfa3624e07fbe8bf33ef4632cb6f ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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_2x3-1.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 5417ea5971c5cfa3624e07fbe8bf33ef4632cb6f ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 23:05:05,439 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:05:05,444 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:05:05,475 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:05:05,477 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:05:05,479 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:05:05,483 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:05:05,496 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:05:05,504 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:05:05,518 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:05:05,520 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:05:05,524 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:05:05,525 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:05:05,529 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:05:05,533 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:05:05,535 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:05:05,538 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:05:05,540 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:05:05,545 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:05:05,550 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:05:05,551 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:05:05,561 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:05:05,565 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:05:05,567 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:05:05,576 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:05:05,577 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:05:05,577 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:05:05,580 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:05:05,581 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:05:05,586 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:05:05,586 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:05:05,587 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:05:05,589 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:05:05,591 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:05:05,598 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:05:05,598 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:05:05,600 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:05:05,602 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:05:05,602 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:05:05,603 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:05:05,606 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:05:05,608 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 23:05:05,660 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:05:05,664 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:05:05,667 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:05:05,669 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:05:05,669 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:05:05,669 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:05:05,670 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:05:05,671 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 23:05:05,674 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:05:05,674 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:05:05,675 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:05:05,676 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:05:05,676 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:05:05,677 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:05:05,677 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:05:05,677 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:05:05,678 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:05:05,678 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:05:05,681 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:05:05,681 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:05:05,681 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:05:05,682 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:05:05,682 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:05:05,683 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:05:05,683 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:05:05,683 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 23:05:05,683 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 23:05:05,684 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:05:05,686 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 -> 5417ea5971c5cfa3624e07fbe8bf33ef4632cb6f [2019-11-25 23:05:06,222 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:05:06,251 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:05:06,257 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:05:06,262 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:05:06,263 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:05:06,265 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/sum_2x3-1.c [2019-11-25 23:05:06,417 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f65390fdb/81245cbbf745440192a03573b4b7ecf4/FLAG6ba28ef8d [2019-11-25 23:05:07,443 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:05:07,446 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/sum_2x3-1.c [2019-11-25 23:05:07,463 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f65390fdb/81245cbbf745440192a03573b4b7ecf4/FLAG6ba28ef8d [2019-11-25 23:05:07,502 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f65390fdb/81245cbbf745440192a03573b4b7ecf4 [2019-11-25 23:05:07,510 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:05:07,513 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:05:07,521 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:05:07,521 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:05:07,525 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:05:07,530 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:05:07" (1/1) ... [2019-11-25 23:05:07,539 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 25.11 11:05:07, skipping insertion in model container [2019-11-25 23:05:07,540 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:05:07" (1/1) ... [2019-11-25 23:05:07,561 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:05:07,603 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:05:08,034 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:05:08,049 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 23:05:08,091 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:05:08,124 INFO L208 MainTranslator]: Completed translation [2019-11-25 23:05:08,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:08 WrapperNode [2019-11-25 23:05:08,125 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:05:08,130 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 23:05:08,131 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 23:05:08,131 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 23:05:08,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:08" (1/1) ... [2019-11-25 23:05:08,156 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:08" (1/1) ... [2019-11-25 23:05:08,192 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 23:05:08,195 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 23:05:08,195 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 23:05:08,204 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 23:05:08,300 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:08" (1/1) ... [2019-11-25 23:05:08,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:08" (1/1) ... [2019-11-25 23:05:08,305 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:08" (1/1) ... [2019-11-25 23:05:08,306 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:08" (1/1) ... [2019-11-25 23:05:08,312 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:08" (1/1) ... [2019-11-25 23:05:08,317 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:08" (1/1) ... [2019-11-25 23:05:08,318 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:08" (1/1) ... [2019-11-25 23:05:08,321 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 23:05:08,335 INFO L168 Benchmark]: Toolchain (without parser) took 814.06 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. [2019-11-25 23:05:08,338 INFO L168 Benchmark]: CDTParser took 1.02 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. [2019-11-25 23:05:08,339 INFO L168 Benchmark]: CACSL2BoogieTranslator took 605.66 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. [2019-11-25 23:05:08,343 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.78 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. [2019-11-25 23:05:08,346 INFO L168 Benchmark]: Boogie Preprocessor took 130.05 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. [2019-11-25 23:05:08,357 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.02 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 605.66 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 63.78 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 130.05 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. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-65d6cd2 [2019-11-25 23:05:12,110 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:05:12,114 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:05:12,140 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:05:12,142 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:05:12,144 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:05:12,146 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:05:12,172 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:05:12,175 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:05:12,182 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:05:12,183 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:05:12,188 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:05:12,191 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:05:12,196 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:05:12,200 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:05:12,204 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:05:12,210 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:05:12,213 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:05:12,217 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:05:12,228 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:05:12,234 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:05:12,239 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:05:12,244 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:05:12,246 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:05:12,255 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:05:12,256 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:05:12,256 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:05:12,260 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:05:12,261 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:05:12,264 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:05:12,264 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:05:12,265 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:05:12,266 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:05:12,270 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:05:12,272 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:05:12,275 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:05:12,276 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:05:12,277 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:05:12,277 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:05:12,281 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:05:12,283 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:05:12,285 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 23:05:12,323 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:05:12,324 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:05:12,328 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:05:12,328 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:05:12,329 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:05:12,330 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:05:12,330 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:05:12,332 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:05:12,332 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:05:12,333 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:05:12,334 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:05:12,334 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:05:12,335 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 23:05:12,337 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 23:05:12,338 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:05:12,338 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:05:12,338 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:05:12,339 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:05:12,339 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:05:12,339 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:05:12,342 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:05:12,342 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:05:12,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:05:12,343 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:05:12,343 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:05:12,343 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:05:12,344 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 23:05:12,347 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 23:05:12,347 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:05:12,347 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 23:05:12,349 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 -> 5417ea5971c5cfa3624e07fbe8bf33ef4632cb6f [2019-11-25 23:05:12,942 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:05:12,972 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:05:12,979 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:05:12,983 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:05:12,986 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:05:12,988 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/sum_2x3-1.c [2019-11-25 23:05:13,146 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bcea45b56/b71e379a9261487ba74c438e82647ddb/FLAGca825be67 [2019-11-25 23:05:14,190 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:05:14,193 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/sum_2x3-1.c [2019-11-25 23:05:14,205 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bcea45b56/b71e379a9261487ba74c438e82647ddb/FLAGca825be67 [2019-11-25 23:05:14,480 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bcea45b56/b71e379a9261487ba74c438e82647ddb [2019-11-25 23:05:14,491 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:05:14,498 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:05:14,500 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:05:14,500 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:05:14,506 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:05:14,510 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:05:14" (1/1) ... [2019-11-25 23:05:14,520 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39d0afd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:14, skipping insertion in model container [2019-11-25 23:05:14,521 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:05:14" (1/1) ... [2019-11-25 23:05:14,540 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:05:14,587 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:05:15,009 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:05:15,026 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 23:05:15,065 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:05:15,095 INFO L208 MainTranslator]: Completed translation [2019-11-25 23:05:15,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:15 WrapperNode [2019-11-25 23:05:15,103 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:05:15,104 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 23:05:15,104 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 23:05:15,105 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 23:05:15,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:15" (1/1) ... [2019-11-25 23:05:15,145 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:15" (1/1) ... [2019-11-25 23:05:15,283 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 23:05:15,284 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 23:05:15,284 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 23:05:15,284 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 23:05:15,294 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:15" (1/1) ... [2019-11-25 23:05:15,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:15" (1/1) ... [2019-11-25 23:05:15,297 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:15" (1/1) ... [2019-11-25 23:05:15,297 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:15" (1/1) ... [2019-11-25 23:05:15,304 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:15" (1/1) ... [2019-11-25 23:05:15,306 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:15" (1/1) ... [2019-11-25 23:05:15,308 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:15" (1/1) ... [2019-11-25 23:05:15,310 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 23:05:15,320 INFO L168 Benchmark]: Toolchain (without parser) took 819.45 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 997.0 MB in the end (delta: -31.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:05:15,322 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:05:15,324 INFO L168 Benchmark]: CACSL2BoogieTranslator took 603.73 ms. Allocated memory is still 1.0 GB. Free memory was 966.0 MB in the beginning and 954.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-25 23:05:15,326 INFO L168 Benchmark]: Boogie Procedure Inliner took 179.30 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 997.0 MB in the end (delta: -42.5 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-25 23:05:15,327 INFO L168 Benchmark]: Boogie Preprocessor took 26.53 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. [2019-11-25 23:05:15,348 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 603.73 ms. Allocated memory is still 1.0 GB. Free memory was 966.0 MB in the beginning and 954.5 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 179.30 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 997.0 MB in the end (delta: -42.5 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 26.53 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...