./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/id_b3_o5-2.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/id_b3_o5-2.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 8d39666f7b9e3c393826226f879477647e7209cc ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/id_b3_o5-2.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 8d39666f7b9e3c393826226f879477647e7209cc ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:59:55,147 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:59:55,149 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:59:55,173 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:59:55,174 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:59:55,183 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:59:55,186 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:59:55,197 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:59:55,204 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:59:55,210 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:59:55,211 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:59:55,214 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:59:55,214 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:59:55,217 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:59:55,221 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:59:55,223 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:59:55,224 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:59:55,225 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:59:55,229 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:59:55,234 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:59:55,240 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:59:55,245 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:59:55,246 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:59:55,250 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:59:55,256 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:59:55,257 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:59:55,257 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:59:55,258 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:59:55,259 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:59:55,260 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:59:55,260 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:59:55,262 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:59:55,263 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:59:55,265 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:59:55,266 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:59:55,268 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:59:55,269 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:59:55,270 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:59:55,270 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:59:55,271 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:59:55,274 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:59:55,275 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:59:55,305 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:59:55,305 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:59:55,308 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:59:55,309 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:59:55,309 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:59:55,309 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:59:55,310 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:59:55,311 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:59:55,311 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:59:55,311 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:59:55,312 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:59:55,312 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:59:55,314 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:59:55,314 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:59:55,314 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:59:55,315 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:59:55,315 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:59:55,315 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:59:55,315 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:59:55,315 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:59:55,317 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:59:55,317 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:59:55,317 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:59:55,317 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:59:55,318 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:59:55,319 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:59:55,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:59:55,319 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:59:55,319 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 -> 8d39666f7b9e3c393826226f879477647e7209cc [2019-11-27 09:59:55,802 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:59:55,818 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:59:55,821 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:59:55,826 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:59:55,828 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:59:55,829 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_b3_o5-2.c [2019-11-27 09:59:55,936 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a5910278/9b5f040f93ec4efe807290fa16e152a5/FLAGd2eeb50d6 [2019-11-27 09:59:56,630 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:59:56,632 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_b3_o5-2.c [2019-11-27 09:59:56,642 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a5910278/9b5f040f93ec4efe807290fa16e152a5/FLAGd2eeb50d6 [2019-11-27 09:59:56,965 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a5910278/9b5f040f93ec4efe807290fa16e152a5 [2019-11-27 09:59:56,971 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:59:56,973 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:59:56,973 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:59:56,978 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:59:56,983 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:59:56,984 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:59:56" (1/1) ... [2019-11-27 09:59:56,986 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70a51836 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:56, skipping insertion in model container [2019-11-27 09:59:56,987 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:59:56" (1/1) ... [2019-11-27 09:59:57,000 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:59:57,018 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:59:57,285 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:59:57,291 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:59:57,314 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:59:57,334 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:59:57,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:57 WrapperNode [2019-11-27 09:59:57,335 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:59:57,336 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:59:57,336 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:59:57,337 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:59:57,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:57" (1/1) ... [2019-11-27 09:59:57,353 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:57" (1/1) ... [2019-11-27 09:59:57,436 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:59:57,438 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:59:57,438 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:59:57,445 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:59:57,452 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:57" (1/1) ... [2019-11-27 09:59:57,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:57" (1/1) ... [2019-11-27 09:59:57,454 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:57" (1/1) ... [2019-11-27 09:59:57,454 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:57" (1/1) ... [2019-11-27 09:59:57,456 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:57" (1/1) ... [2019-11-27 09:59:57,458 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:57" (1/1) ... [2019-11-27 09:59:57,459 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:57" (1/1) ... [2019-11-27 09:59:57,464 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:59:57,483 INFO L168 Benchmark]: Toolchain (without parser) took 493.69 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 991.3 MB in the end (delta: -31.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:59:57,485 INFO L168 Benchmark]: CDTParser took 0.92 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:59:57,488 INFO L168 Benchmark]: CACSL2BoogieTranslator took 362.45 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:59:57,491 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.56 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 997.0 MB in the end (delta: -48.2 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 09:59:57,495 INFO L168 Benchmark]: Boogie Preprocessor took 26.20 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:59:57,502 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.92 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 362.45 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 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 101.56 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 997.0 MB in the end (delta: -48.2 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 26.20 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 10:00:00,282 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:00:00,288 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:00:00,312 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:00:00,315 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:00:00,317 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:00:00,319 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:00:00,332 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:00:00,338 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:00:00,341 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:00:00,344 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:00:00,349 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:00:00,349 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:00:00,352 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:00:00,353 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:00:00,355 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:00:00,359 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:00:00,360 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:00:00,362 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:00:00,368 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:00:00,373 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:00:00,379 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:00:00,381 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:00:00,383 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:00:00,390 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:00:00,391 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:00:00,391 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:00:00,393 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:00:00,393 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:00:00,394 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:00:00,398 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:00:00,399 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:00:00,399 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:00:00,400 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:00:00,401 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:00:00,403 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:00:00,405 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:00:00,408 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:00:00,408 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:00:00,409 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:00:00,410 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:00:00,411 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 10:00:00,442 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:00:00,442 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:00:00,444 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:00:00,444 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:00:00,446 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:00:00,446 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:00:00,446 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:00:00,446 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:00:00,447 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:00:00,449 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:00:00,450 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:00:00,450 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:00:00,450 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 10:00:00,451 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 10:00:00,451 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:00:00,451 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:00:00,451 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:00:00,451 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:00:00,452 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:00:00,452 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:00:00,454 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:00:00,454 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:00:00,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:00:00,454 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:00:00,455 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:00:00,455 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:00:00,455 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 10:00:00,455 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 10:00:00,455 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:00:00,457 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 10:00:00,458 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 -> 8d39666f7b9e3c393826226f879477647e7209cc [2019-11-27 10:00:00,877 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:00:00,896 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:00:00,902 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:00:00,908 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:00:00,909 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:00:00,910 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_b3_o5-2.c [2019-11-27 10:00:01,021 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6779af181/f6797db4f9804aa2894c49e9511cd645/FLAG9df975c07 [2019-11-27 10:00:01,828 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:00:01,830 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_b3_o5-2.c [2019-11-27 10:00:01,838 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6779af181/f6797db4f9804aa2894c49e9511cd645/FLAG9df975c07 [2019-11-27 10:00:02,139 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6779af181/f6797db4f9804aa2894c49e9511cd645 [2019-11-27 10:00:02,146 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:00:02,148 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:00:02,151 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:00:02,151 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:00:02,158 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:00:02,159 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:00:02" (1/1) ... [2019-11-27 10:00:02,167 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@408413cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:02, skipping insertion in model container [2019-11-27 10:00:02,167 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:00:02" (1/1) ... [2019-11-27 10:00:02,183 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:00:02,214 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:00:02,497 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:00:02,504 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:00:02,525 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:00:02,551 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:00:02,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:02 WrapperNode [2019-11-27 10:00:02,552 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:00:02,553 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:00:02,553 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:00:02,553 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:00:02,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:02" (1/1) ... [2019-11-27 10:00:02,629 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:02" (1/1) ... [2019-11-27 10:00:02,660 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:00:02,661 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:00:02,661 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:00:02,661 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:00:02,668 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:02" (1/1) ... [2019-11-27 10:00:02,669 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:02" (1/1) ... [2019-11-27 10:00:02,670 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:02" (1/1) ... [2019-11-27 10:00:02,670 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:02" (1/1) ... [2019-11-27 10:00:02,674 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:02" (1/1) ... [2019-11-27 10:00:02,676 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:02" (1/1) ... [2019-11-27 10:00:02,677 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:02" (1/1) ... [2019-11-27 10:00:02,679 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:00:02,683 INFO L168 Benchmark]: Toolchain (without parser) took 533.30 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 997.0 MB in the end (delta: -36.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:00:02,698 INFO L168 Benchmark]: CDTParser took 2.65 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 10:00:02,699 INFO L168 Benchmark]: CACSL2BoogieTranslator took 401.69 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 10:00:02,702 INFO L168 Benchmark]: Boogie Procedure Inliner took 107.66 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 997.0 MB in the end (delta: -48.2 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 10:00:02,706 INFO L168 Benchmark]: Boogie Preprocessor took 18.16 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 10:00:02,716 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.65 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 401.69 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 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 107.66 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 997.0 MB in the end (delta: -48.2 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 18.16 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...