./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/id_o100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/recursive-simple/id_o100.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 3c7581d7152a915ede2b7a090503832fb0897bb4 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_o100.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 3c7581d7152a915ede2b7a090503832fb0897bb4 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 21:18:20,079 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:18:20,087 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:18:20,128 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:18:20,128 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:18:20,132 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:18:20,137 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:18:20,157 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:18:20,159 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:18:20,164 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:18:20,167 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:18:20,174 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:18:20,174 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:18:20,181 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:18:20,183 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:18:20,188 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:18:20,191 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:18:20,197 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:18:20,202 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:18:20,213 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:18:20,219 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:18:20,229 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:18:20,232 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:18:20,241 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:18:20,249 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:18:20,249 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:18:20,251 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:18:20,257 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:18:20,257 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:18:20,259 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:18:20,263 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:18:20,264 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:18:20,265 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:18:20,269 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:18:20,274 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:18:20,274 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:18:20,276 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:18:20,279 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:18:20,279 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:18:20,281 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:18:20,285 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:18:20,286 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:18:20,326 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:18:20,328 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:18:20,332 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:18:20,334 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:18:20,335 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:18:20,335 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:18:20,337 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:18:20,337 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:18:20,337 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:18:20,338 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:18:20,339 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:18:20,341 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:18:20,341 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:18:20,342 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:18:20,342 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:18:20,342 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:18:20,344 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:18:20,344 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:18:20,345 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:18:20,346 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:18:20,346 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:18:20,349 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:18:20,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:18:20,350 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:18:20,350 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:18:20,350 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:18:20,351 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:18:20,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:18:20,351 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:18:20,354 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 -> 3c7581d7152a915ede2b7a090503832fb0897bb4 [2019-11-24 21:18:20,900 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:18:20,935 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:18:20,942 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:18:20,947 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:18:20,948 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:18:20,951 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_o100.c [2019-11-24 21:18:21,112 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85d559d09/ad1be91fda084f67aa3e19bce52dfdcd/FLAGefdef24ab [2019-11-24 21:18:22,151 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:18:22,155 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_o100.c [2019-11-24 21:18:22,171 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85d559d09/ad1be91fda084f67aa3e19bce52dfdcd/FLAGefdef24ab [2019-11-24 21:18:22,205 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85d559d09/ad1be91fda084f67aa3e19bce52dfdcd [2019-11-24 21:18:22,213 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:18:22,221 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:18:22,224 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:18:22,224 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:18:22,233 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:18:22,234 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:18:22" (1/1) ... [2019-11-24 21:18:22,243 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f01879f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:22, skipping insertion in model container [2019-11-24 21:18:22,244 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:18:22" (1/1) ... [2019-11-24 21:18:22,265 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:18:22,307 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:18:22,747 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:18:22,760 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:18:22,786 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:18:22,812 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:18:22,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:22 WrapperNode [2019-11-24 21:18:22,814 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:18:22,822 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:18:22,823 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:18:22,824 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:18:22,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:22" (1/1) ... [2019-11-24 21:18:22,854 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:22" (1/1) ... [2019-11-24 21:18:23,003 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:18:23,003 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:18:23,004 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:18:23,004 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:18:23,026 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:22" (1/1) ... [2019-11-24 21:18:23,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:22" (1/1) ... [2019-11-24 21:18:23,031 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:22" (1/1) ... [2019-11-24 21:18:23,032 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:22" (1/1) ... [2019-11-24 21:18:23,039 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:22" (1/1) ... [2019-11-24 21:18:23,042 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:22" (1/1) ... [2019-11-24 21:18:23,046 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:22" (1/1) ... [2019-11-24 21:18:23,047 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:18:23,064 INFO L168 Benchmark]: Toolchain (without parser) took 837.36 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 996.9 MB in the end (delta: -35.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:18:23,067 INFO L168 Benchmark]: CDTParser took 0.99 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:18:23,069 INFO L168 Benchmark]: CACSL2BoogieTranslator took 590.94 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-24 21:18:23,072 INFO L168 Benchmark]: Boogie Procedure Inliner took 180.85 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 996.9 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-24 21:18:23,077 INFO L168 Benchmark]: Boogie Preprocessor took 47.49 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:18:23,090 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.99 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 590.94 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 180.85 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 996.9 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 47.49 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 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... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 21:18:27,149 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:18:27,157 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:18:27,196 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:18:27,197 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:18:27,199 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:18:27,207 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:18:27,223 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:18:27,233 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:18:27,241 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:18:27,243 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:18:27,246 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:18:27,249 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:18:27,252 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:18:27,255 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:18:27,259 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:18:27,263 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:18:27,264 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:18:27,270 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:18:27,278 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:18:27,287 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:18:27,296 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:18:27,300 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:18:27,302 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:18:27,312 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:18:27,313 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:18:27,313 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:18:27,316 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:18:27,316 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:18:27,319 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:18:27,321 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:18:27,322 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:18:27,324 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:18:27,330 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:18:27,332 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:18:27,333 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:18:27,336 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:18:27,337 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:18:27,337 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:18:27,339 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:18:27,343 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:18:27,344 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:18:27,411 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:18:27,411 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:18:27,424 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:18:27,427 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:18:27,427 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:18:27,429 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:18:27,429 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:18:27,430 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:18:27,430 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:18:27,432 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:18:27,434 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:18:27,434 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:18:27,434 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:18:27,437 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:18:27,437 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:18:27,440 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:18:27,440 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:18:27,441 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:18:27,441 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:18:27,443 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:18:27,445 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:18:27,445 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:18:27,446 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:18:27,448 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:18:27,449 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:18:27,449 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:18:27,449 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:18:27,450 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:18:27,451 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:18:27,453 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:18:27,454 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:18:27,455 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 -> 3c7581d7152a915ede2b7a090503832fb0897bb4 [2019-11-24 21:18:28,028 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:18:28,072 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:18:28,079 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:18:28,083 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:18:28,088 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:18:28,089 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_o100.c [2019-11-24 21:18:28,267 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c58812089/ac537edec75b488a8d222b1d3443ba47/FLAGd0aaf617d [2019-11-24 21:18:29,281 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:18:29,284 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_o100.c [2019-11-24 21:18:29,299 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c58812089/ac537edec75b488a8d222b1d3443ba47/FLAGd0aaf617d [2019-11-24 21:18:29,335 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c58812089/ac537edec75b488a8d222b1d3443ba47 [2019-11-24 21:18:29,345 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:18:29,351 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:18:29,354 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:18:29,355 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:18:29,361 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:18:29,366 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:18:29" (1/1) ... [2019-11-24 21:18:29,374 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d465a67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:29, skipping insertion in model container [2019-11-24 21:18:29,375 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:18:29" (1/1) ... [2019-11-24 21:18:29,395 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:18:29,437 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:18:29,863 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:18:29,889 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:18:29,914 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:18:29,938 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:18:29,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:29 WrapperNode [2019-11-24 21:18:29,940 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:18:29,941 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:18:29,942 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:18:29,944 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:18:29,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:29" (1/1) ... [2019-11-24 21:18:29,962 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:29" (1/1) ... [2019-11-24 21:18:30,085 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:18:30,087 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:18:30,090 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:18:30,090 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:18:30,108 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:29" (1/1) ... [2019-11-24 21:18:30,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:29" (1/1) ... [2019-11-24 21:18:30,110 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:29" (1/1) ... [2019-11-24 21:18:30,111 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:29" (1/1) ... [2019-11-24 21:18:30,115 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:29" (1/1) ... [2019-11-24 21:18:30,118 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:29" (1/1) ... [2019-11-24 21:18:30,120 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:29" (1/1) ... [2019-11-24 21:18:30,122 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:18:30,139 INFO L168 Benchmark]: Toolchain (without parser) took 777.33 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 997.0 MB in the end (delta: -35.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:18:30,142 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:18:30,143 INFO L168 Benchmark]: CACSL2BoogieTranslator took 585.68 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-24 21:18:30,145 INFO L168 Benchmark]: Boogie Procedure Inliner took 146.11 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-24 21:18:30,147 INFO L168 Benchmark]: Boogie Preprocessor took 35.19 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:18:30,155 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 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 585.68 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 146.11 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 35.19 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...