./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 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_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-da95e15 [2019-11-27 10:00:03,902 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:00:03,908 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:00:03,928 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:00:03,930 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:00:03,933 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:00:03,949 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:00:03,969 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:00:03,973 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:00:03,976 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:00:03,981 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:00:03,987 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:00:03,988 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:00:03,992 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:00:03,996 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:00:04,000 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:00:04,004 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:00:04,008 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:00:04,016 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:00:04,024 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:00:04,032 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:00:04,037 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:00:04,040 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:00:04,045 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:00:04,052 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:00:04,053 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:00:04,053 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:00:04,056 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:00:04,058 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:00:04,059 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:00:04,063 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:00:04,064 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:00:04,065 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:00:04,070 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:00:04,072 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:00:04,072 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:00:04,076 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:00:04,079 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:00:04,079 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:00:04,085 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:00:04,087 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:00:04,088 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 10:00:04,131 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:00:04,132 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:00:04,138 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:00:04,139 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:00:04,139 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:00:04,140 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:00:04,140 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:00:04,140 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 10:00:04,143 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:00:04,143 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:00:04,145 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:00:04,145 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:00:04,146 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:00:04,146 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:00:04,146 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:00:04,148 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:00:04,148 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:00:04,148 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:00:04,150 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:00:04,150 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:00:04,150 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:00:04,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:00:04,153 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:00:04,153 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:00:04,153 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:00:04,154 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 10:00:04,154 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 10:00:04,154 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:00:04,154 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 10:00:04,791 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:00:04,824 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:00:04,832 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:00:04,837 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:00:04,837 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:00:04,839 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_o100.c [2019-11-27 10:00:04,995 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4ca60a2d/a190a15d498349f6a30a75d0ce7790b8/FLAGfd605171c [2019-11-27 10:00:06,043 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:00:06,046 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_o100.c [2019-11-27 10:00:06,063 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4ca60a2d/a190a15d498349f6a30a75d0ce7790b8/FLAGfd605171c [2019-11-27 10:00:06,101 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4ca60a2d/a190a15d498349f6a30a75d0ce7790b8 [2019-11-27 10:00:06,108 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:00:06,114 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:00:06,118 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:00:06,119 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:00:06,126 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:00:06,129 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:00:06" (1/1) ... [2019-11-27 10:00:06,137 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 27.11 10:00:06, skipping insertion in model container [2019-11-27 10:00:06,138 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:00:06" (1/1) ... [2019-11-27 10:00:06,159 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:00:06,203 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:00:06,639 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:00:06,654 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:00:06,692 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:00:06,736 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:00:06,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:06 WrapperNode [2019-11-27 10:00:06,745 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:00:06,749 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:00:06,750 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:00:06,751 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:00:06,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:06" (1/1) ... [2019-11-27 10:00:06,792 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:06" (1/1) ... [2019-11-27 10:00:06,917 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:00:06,921 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:00:06,922 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:00:06,922 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:00:06,946 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:06" (1/1) ... [2019-11-27 10:00:06,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:06" (1/1) ... [2019-11-27 10:00:06,947 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:06" (1/1) ... [2019-11-27 10:00:06,948 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:06" (1/1) ... [2019-11-27 10:00:06,954 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:06" (1/1) ... [2019-11-27 10:00:06,960 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:06" (1/1) ... [2019-11-27 10:00:06,962 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:06" (1/1) ... [2019-11-27 10:00:06,963 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:00:06,978 INFO L168 Benchmark]: Toolchain (without parser) took 855.05 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 996.9 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:00:06,981 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:00:06,985 INFO L168 Benchmark]: CACSL2BoogieTranslator took 627.59 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 10:00:06,991 INFO L168 Benchmark]: Boogie Procedure Inliner took 172.23 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 996.9 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 10:00:06,993 INFO L168 Benchmark]: Boogie Preprocessor took 44.31 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. [2019-11-27 10:00:07,009 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 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 627.59 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 172.23 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 996.9 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 44.31 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-da95e15 [2019-11-27 10:00:10,912 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:00:10,917 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:00:10,951 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:00:10,955 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:00:10,957 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:00:10,960 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:00:10,979 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:00:10,985 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:00:10,989 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:00:10,994 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:00:10,998 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:00:10,999 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:00:11,003 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:00:11,007 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:00:11,013 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:00:11,014 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:00:11,020 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:00:11,025 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:00:11,035 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:00:11,044 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:00:11,052 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:00:11,057 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:00:11,060 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:00:11,068 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:00:11,068 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:00:11,069 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:00:11,073 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:00:11,073 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:00:11,077 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:00:11,077 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:00:11,080 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:00:11,082 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:00:11,084 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:00:11,089 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:00:11,090 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:00:11,091 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:00:11,091 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:00:11,093 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:00:11,097 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:00:11,101 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:00:11,104 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 10:00:11,142 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:00:11,146 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:00:11,149 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:00:11,150 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:00:11,150 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:00:11,152 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:00:11,152 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:00:11,153 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:00:11,153 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:00:11,155 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:00:11,156 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:00:11,157 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:00:11,157 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 10:00:11,160 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 10:00:11,160 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:00:11,161 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:00:11,161 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:00:11,161 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:00:11,162 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:00:11,162 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:00:11,162 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:00:11,165 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:00:11,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:00:11,166 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:00:11,166 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:00:11,166 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:00:11,167 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 10:00:11,167 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 10:00:11,167 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:00:11,170 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 10:00:11,171 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 10:00:11,746 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:00:11,776 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:00:11,784 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:00:11,790 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:00:11,790 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:00:11,792 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_o100.c [2019-11-27 10:00:11,960 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94d5407c8/ad2a8d1a3b8d4ee9b6f9fc68b435f07a/FLAG5d492d409 [2019-11-27 10:00:12,985 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:00:12,986 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_o100.c [2019-11-27 10:00:13,005 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94d5407c8/ad2a8d1a3b8d4ee9b6f9fc68b435f07a/FLAG5d492d409 [2019-11-27 10:00:13,043 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94d5407c8/ad2a8d1a3b8d4ee9b6f9fc68b435f07a [2019-11-27 10:00:13,052 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:00:13,059 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:00:13,061 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:00:13,063 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:00:13,071 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:00:13,074 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:00:13" (1/1) ... [2019-11-27 10:00:13,083 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@287c1f00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:13, skipping insertion in model container [2019-11-27 10:00:13,083 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:00:13" (1/1) ... [2019-11-27 10:00:13,104 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:00:13,149 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:00:13,566 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:00:13,583 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:00:13,619 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:00:13,654 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:00:13,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:13 WrapperNode [2019-11-27 10:00:13,658 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:00:13,660 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:00:13,662 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:00:13,662 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:00:13,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:13" (1/1) ... [2019-11-27 10:00:13,793 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:13" (1/1) ... [2019-11-27 10:00:13,827 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:00:13,829 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:00:13,830 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:00:13,832 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:00:13,852 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:13" (1/1) ... [2019-11-27 10:00:13,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:13" (1/1) ... [2019-11-27 10:00:13,857 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:13" (1/1) ... [2019-11-27 10:00:13,857 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:13" (1/1) ... [2019-11-27 10:00:13,868 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:13" (1/1) ... [2019-11-27 10:00:13,873 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:13" (1/1) ... [2019-11-27 10:00:13,877 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:13" (1/1) ... [2019-11-27 10:00:13,880 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:00:13,890 INFO L168 Benchmark]: Toolchain (without parser) took 829.17 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. [2019-11-27 10:00:13,894 INFO L168 Benchmark]: CDTParser took 0.84 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 10:00:13,898 INFO L168 Benchmark]: CACSL2BoogieTranslator took 597.38 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. [2019-11-27 10:00:13,900 INFO L168 Benchmark]: Boogie Procedure Inliner took 168.98 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: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 10:00:13,904 INFO L168 Benchmark]: Boogie Preprocessor took 53.31 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 10:00:13,916 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.84 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 597.38 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 168.98 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: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 53.31 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...