./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 509859d6 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 0.1.24-509859d [2019-11-27 16:21:55,040 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:21:55,046 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:21:55,081 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:21:55,082 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:21:55,084 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:21:55,090 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:21:55,105 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:21:55,108 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:21:55,116 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:21:55,117 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:21:55,122 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:21:55,123 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:21:55,132 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:21:55,133 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:21:55,135 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:21:55,137 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:21:55,143 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:21:55,146 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:21:55,157 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:21:55,165 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:21:55,172 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:21:55,174 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:21:55,180 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:21:55,188 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:21:55,189 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:21:55,189 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:21:55,192 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:21:55,193 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:21:55,194 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:21:55,196 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:21:55,197 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:21:55,199 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:21:55,202 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:21:55,205 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:21:55,207 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:21:55,208 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:21:55,210 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:21:55,210 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:21:55,211 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:21:55,215 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:21:55,216 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:21:55,257 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:21:55,257 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:21:55,260 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:21:55,262 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:21:55,262 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:21:55,262 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:21:55,263 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:21:55,263 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:21:55,265 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:21:55,265 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:21:55,266 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:21:55,267 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:21:55,267 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:21:55,268 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:21:55,270 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:21:55,270 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:21:55,271 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:21:55,271 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:21:55,271 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:21:55,271 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:21:55,272 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:21:55,273 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:21:55,273 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:21:55,276 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:21:55,276 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:21:55,276 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:21:55,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:21:55,277 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:21:55,277 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 [2019-11-27 16:21:55,860 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:21:55,889 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:21:55,896 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:21:55,898 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:21:55,901 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:21:55,902 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_o100.c [2019-11-27 16:21:56,059 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a852a670/365591738e4743be8a8e5d8365b05562/FLAGd3ee00d58 [2019-11-27 16:21:57,001 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:21:57,007 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_o100.c [2019-11-27 16:21:57,021 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a852a670/365591738e4743be8a8e5d8365b05562/FLAGd3ee00d58 [2019-11-27 16:21:57,198 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a852a670/365591738e4743be8a8e5d8365b05562 [2019-11-27 16:21:57,206 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:21:57,212 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:21:57,214 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:57,217 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:21:57,223 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:21:57,228 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:57" (1/1) ... [2019-11-27 16:21:57,232 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79f65d96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:57, skipping insertion in model container [2019-11-27 16:21:57,237 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:57" (1/1) ... [2019-11-27 16:21:57,257 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:21:57,299 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:21:57,729 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:57,739 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:21:57,778 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:57,813 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:21:57,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:57 WrapperNode [2019-11-27 16:21:57,815 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:57,816 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:57,818 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:21:57,818 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:21:57,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:57" (1/1) ... [2019-11-27 16:21:57,849 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:57" (1/1) ... [2019-11-27 16:21:57,897 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:57,899 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:21:57,899 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:21:57,900 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:21:58,004 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:57" (1/1) ... [2019-11-27 16:21:58,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:57" (1/1) ... [2019-11-27 16:21:58,012 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:57" (1/1) ... [2019-11-27 16:21:58,014 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:57" (1/1) ... [2019-11-27 16:21:58,019 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:57" (1/1) ... [2019-11-27 16:21:58,021 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:57" (1/1) ... [2019-11-27 16:21:58,022 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:57" (1/1) ... [2019-11-27 16:21:58,028 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:21:58,037 INFO L168 Benchmark]: Toolchain (without parser) took 819.63 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 996.9 MB in the end (delta: -36.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:21:58,039 INFO L168 Benchmark]: CDTParser took 1.34 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 16:21:58,045 INFO L168 Benchmark]: CACSL2BoogieTranslator took 601.83 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 16:21:58,046 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.81 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 16:21:58,051 INFO L168 Benchmark]: Boogie Preprocessor took 129.18 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: -48.1 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:21:58,062 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.34 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 601.83 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 82.81 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 129.18 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: -48.1 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 0.1.24-509859d [2019-11-27 16:22:01,858 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:22:01,866 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:22:01,894 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:22:01,894 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:22:01,897 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:22:01,899 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:22:01,932 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:22:01,934 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:22:01,938 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:22:01,944 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:22:01,947 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:22:01,948 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:22:01,955 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:22:01,957 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:22:01,960 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:22:01,963 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:22:01,968 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:22:01,972 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:22:01,981 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:22:01,990 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:22:01,994 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:22:01,999 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:22:02,001 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:22:02,010 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:22:02,010 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:22:02,011 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:22:02,014 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:22:02,017 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:22:02,018 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:22:02,019 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:22:02,020 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:22:02,022 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:22:02,023 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:22:02,028 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:22:02,028 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:22:02,029 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:22:02,032 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:22:02,032 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:22:02,036 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:22:02,040 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:22:02,041 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:22:02,078 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:22:02,080 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:22:02,084 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:22:02,087 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:22:02,087 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:22:02,088 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:22:02,088 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:22:02,088 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:22:02,088 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:22:02,090 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:22:02,091 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:22:02,091 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:22:02,092 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:22:02,093 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:22:02,093 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:22:02,094 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:22:02,096 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:22:02,096 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:22:02,096 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:22:02,097 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:22:02,097 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:22:02,098 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:22:02,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:22:02,099 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:22:02,099 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:22:02,102 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:22:02,102 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:22:02,102 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:22:02,103 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:22:02,103 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:22:02,104 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 [2019-11-27 16:22:02,716 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:22:02,744 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:22:02,750 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:22:02,754 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:22:02,755 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:22:02,756 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_o100.c [2019-11-27 16:22:02,910 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08520c079/f69b32db0c594e23be27576fbcdc4c78/FLAG6396fdfee [2019-11-27 16:22:03,919 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:22:03,919 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_o100.c [2019-11-27 16:22:03,936 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08520c079/f69b32db0c594e23be27576fbcdc4c78/FLAG6396fdfee [2019-11-27 16:22:04,207 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08520c079/f69b32db0c594e23be27576fbcdc4c78 [2019-11-27 16:22:04,216 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:22:04,223 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:22:04,227 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:22:04,228 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:22:04,235 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:22:04,237 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:22:04" (1/1) ... [2019-11-27 16:22:04,245 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9fbebda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:04, skipping insertion in model container [2019-11-27 16:22:04,246 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:22:04" (1/1) ... [2019-11-27 16:22:04,264 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:22:04,306 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:22:04,718 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:22:04,727 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:22:04,746 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:22:04,771 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:22:04,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:04 WrapperNode [2019-11-27 16:22:04,772 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:22:04,773 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:22:04,773 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:22:04,773 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:22:04,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:04" (1/1) ... [2019-11-27 16:22:04,801 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:04" (1/1) ... [2019-11-27 16:22:04,914 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:22:04,915 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:22:04,915 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:22:04,916 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:22:04,927 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:04" (1/1) ... [2019-11-27 16:22:04,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:04" (1/1) ... [2019-11-27 16:22:04,929 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:04" (1/1) ... [2019-11-27 16:22:04,929 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:04" (1/1) ... [2019-11-27 16:22:04,934 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:04" (1/1) ... [2019-11-27 16:22:04,936 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:04" (1/1) ... [2019-11-27 16:22:04,938 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:04" (1/1) ... [2019-11-27 16:22:04,940 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:22:04,960 INFO L168 Benchmark]: Toolchain (without parser) took 720.27 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 991.3 MB in the end (delta: -25.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:22:04,963 INFO L168 Benchmark]: CDTParser took 1.31 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 16:22:04,966 INFO L168 Benchmark]: CACSL2BoogieTranslator took 545.43 ms. Allocated memory is still 1.0 GB. Free memory was 966.0 MB in the beginning and 954.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:22:04,968 INFO L168 Benchmark]: Boogie Procedure Inliner took 141.91 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 991.3 MB in the end (delta: -36.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:22:04,972 INFO L168 Benchmark]: Boogie Preprocessor took 25.15 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:22:04,979 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.31 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 545.43 ms. Allocated memory is still 1.0 GB. Free memory was 966.0 MB in the beginning and 954.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 141.91 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 991.3 MB in the end (delta: -36.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 25.15 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 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...