./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/sum_25x0-2.c --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/recursive-simple/sum_25x0-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 59acfc6d5178664a3f2144603274c2b6e876292a .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_25x0-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 59acfc6d5178664a3f2144603274c2b6e876292a ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 10:00:07,228 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:00:07,233 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:00:07,267 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:00:07,269 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:00:07,272 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:00:07,274 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:00:07,303 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:00:07,307 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:00:07,310 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:00:07,315 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:00:07,320 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:00:07,321 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:00:07,325 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:00:07,329 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:00:07,334 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:00:07,336 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:00:07,340 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:00:07,347 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:00:07,357 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:00:07,363 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:00:07,370 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:00:07,372 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:00:07,376 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:00:07,386 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:00:07,386 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:00:07,388 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:00:07,390 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:00:07,395 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:00:07,397 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:00:07,397 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:00:07,398 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:00:07,401 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:00:07,404 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:00:07,407 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:00:07,409 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:00:07,410 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:00:07,412 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:00:07,412 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:00:07,413 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:00:07,419 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:00:07,420 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 10:00:07,460 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:00:07,462 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:00:07,466 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:00:07,467 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:00:07,467 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:00:07,467 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:00:07,470 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:00:07,470 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 10:00:07,471 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:00:07,471 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:00:07,472 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:00:07,472 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:00:07,475 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:00:07,475 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:00:07,476 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:00:07,476 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:00:07,476 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:00:07,477 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:00:07,477 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:00:07,477 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:00:07,480 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:00:07,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:00:07,480 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:00:07,481 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:00:07,481 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:00:07,481 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 10:00:07,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 10:00:07,482 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:00:07,485 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 -> 59acfc6d5178664a3f2144603274c2b6e876292a [2019-11-27 10:00:08,000 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:00:08,028 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:00:08,036 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:00:08,038 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:00:08,039 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:00:08,040 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/sum_25x0-2.c [2019-11-27 10:00:08,179 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8899601df/c244a69772c34e42bf760c8a32a57e4a/FLAGf9f886968 [2019-11-27 10:00:09,134 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:00:09,135 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/sum_25x0-2.c [2019-11-27 10:00:09,152 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8899601df/c244a69772c34e42bf760c8a32a57e4a/FLAGf9f886968 [2019-11-27 10:00:09,331 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8899601df/c244a69772c34e42bf760c8a32a57e4a [2019-11-27 10:00:09,338 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:00:09,342 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:00:09,346 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:00:09,349 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:00:09,355 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:00:09,360 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:00:09" (1/1) ... [2019-11-27 10:00:09,367 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38d4f559 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:09, skipping insertion in model container [2019-11-27 10:00:09,368 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:00:09" (1/1) ... [2019-11-27 10:00:09,388 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:00:09,430 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:00:09,860 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:00:09,871 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:00:09,911 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:00:09,945 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:00:09,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:09 WrapperNode [2019-11-27 10:00:09,947 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:00:09,948 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:00:09,948 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:00:09,949 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:00:09,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:09" (1/1) ... [2019-11-27 10:00:09,983 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:09" (1/1) ... [2019-11-27 10:00:10,026 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:00:10,031 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:00:10,031 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:00:10,032 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:00:10,136 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:09" (1/1) ... [2019-11-27 10:00:10,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:09" (1/1) ... [2019-11-27 10:00:10,138 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:09" (1/1) ... [2019-11-27 10:00:10,138 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:09" (1/1) ... [2019-11-27 10:00:10,141 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:09" (1/1) ... [2019-11-27 10:00:10,143 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:09" (1/1) ... [2019-11-27 10:00:10,146 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:09" (1/1) ... [2019-11-27 10:00:10,149 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:00:10,160 INFO L168 Benchmark]: Toolchain (without parser) took 809.43 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.6 MB in the beginning and 996.9 MB in the end (delta: -35.3 MB). Peak memory consumption was 22.1 MB. Max. memory is 12.5 GB. [2019-11-27 10:00:10,162 INFO L168 Benchmark]: CDTParser took 0.36 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 10:00:10,166 INFO L168 Benchmark]: CACSL2BoogieTranslator took 601.82 ms. Allocated memory is still 1.0 GB. Free memory was 961.6 MB in the beginning and 948.8 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 12.5 GB. [2019-11-27 10:00:10,167 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.48 ms. Allocated memory is still 1.0 GB. Free memory is still 948.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:00:10,172 INFO L168 Benchmark]: Boogie Preprocessor took 118.29 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 996.9 MB in the end (delta: -48.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 10:00:10,182 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 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 601.82 ms. Allocated memory is still 1.0 GB. Free memory was 961.6 MB in the beginning and 948.8 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 82.48 ms. Allocated memory is still 1.0 GB. Free memory is still 948.8 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 118.29 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 996.9 MB in the end (delta: -48.2 MB). Peak memory consumption was 9.2 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 10:00:14,017 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:00:14,023 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:00:14,057 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:00:14,057 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:00:14,060 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:00:14,066 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:00:14,081 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:00:14,084 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:00:14,092 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:00:14,093 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:00:14,097 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:00:14,101 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:00:14,106 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:00:14,110 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:00:14,115 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:00:14,117 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:00:14,122 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:00:14,127 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:00:14,137 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:00:14,143 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:00:14,149 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:00:14,153 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:00:14,156 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:00:14,165 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:00:14,167 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:00:14,167 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:00:14,169 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:00:14,173 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:00:14,174 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:00:14,175 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:00:14,176 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:00:14,178 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:00:14,184 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:00:14,188 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:00:14,189 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:00:14,190 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:00:14,191 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:00:14,191 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:00:14,192 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:00:14,196 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:00:14,198 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 10:00:14,237 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:00:14,237 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:00:14,243 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:00:14,245 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:00:14,245 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:00:14,246 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:00:14,246 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:00:14,248 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:00:14,248 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:00:14,248 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:00:14,250 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:00:14,250 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:00:14,250 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 10:00:14,253 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 10:00:14,253 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:00:14,254 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:00:14,254 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:00:14,254 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:00:14,255 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:00:14,255 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:00:14,255 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:00:14,258 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:00:14,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:00:14,259 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:00:14,260 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:00:14,260 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:00:14,260 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 10:00:14,261 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 10:00:14,261 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:00:14,263 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 10:00:14,264 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 -> 59acfc6d5178664a3f2144603274c2b6e876292a [2019-11-27 10:00:14,900 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:00:14,935 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:00:14,944 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:00:14,947 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:00:14,948 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:00:14,952 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/sum_25x0-2.c [2019-11-27 10:00:15,102 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86861dc30/f3f5810d74ab4aebb9d62efd7b2cfdde/FLAG1dd19c048 [2019-11-27 10:00:16,117 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:00:16,119 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/sum_25x0-2.c [2019-11-27 10:00:16,134 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86861dc30/f3f5810d74ab4aebb9d62efd7b2cfdde/FLAG1dd19c048 [2019-11-27 10:00:16,420 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86861dc30/f3f5810d74ab4aebb9d62efd7b2cfdde [2019-11-27 10:00:16,439 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:00:16,445 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:00:16,447 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:00:16,450 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:00:16,457 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:00:16,461 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:00:16" (1/1) ... [2019-11-27 10:00:16,468 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fc99dca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:16, skipping insertion in model container [2019-11-27 10:00:16,471 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:00:16" (1/1) ... [2019-11-27 10:00:16,489 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:00:16,535 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:00:16,929 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:00:16,943 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:00:16,968 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:00:17,012 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:00:17,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:17 WrapperNode [2019-11-27 10:00:17,016 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:00:17,017 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:00:17,020 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:00:17,020 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:00:17,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:17" (1/1) ... [2019-11-27 10:00:17,133 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:17" (1/1) ... [2019-11-27 10:00:17,176 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:00:17,179 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:00:17,179 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:00:17,180 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:00:17,199 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:17" (1/1) ... [2019-11-27 10:00:17,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:17" (1/1) ... [2019-11-27 10:00:17,206 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:17" (1/1) ... [2019-11-27 10:00:17,206 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:17" (1/1) ... [2019-11-27 10:00:17,215 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:17" (1/1) ... [2019-11-27 10:00:17,220 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:17" (1/1) ... [2019-11-27 10:00:17,222 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:17" (1/1) ... [2019-11-27 10:00:17,224 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:00:17,239 INFO L168 Benchmark]: Toolchain (without parser) took 785.35 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 997.0 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:00:17,241 INFO L168 Benchmark]: CDTParser took 0.39 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. [2019-11-27 10:00:17,243 INFO L168 Benchmark]: CACSL2BoogieTranslator took 568.84 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 10:00:17,248 INFO L168 Benchmark]: Boogie Procedure Inliner took 162.09 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 997.0 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 10:00:17,249 INFO L168 Benchmark]: Boogie Preprocessor took 45.20 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:00:17,262 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 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 568.84 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 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 162.09 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 997.0 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 45.20 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...