./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-with-pointer/system-with-recursion.i --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-with-pointer/system-with-recursion.i -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 d87f1110511f627d03bb602e53b3240c96adaabd .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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-with-pointer/system-with-recursion.i -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 d87f1110511f627d03bb602e53b3240c96adaabd ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 10:00:09,995 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:00:09,998 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:00:10,021 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:00:10,023 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:00:10,025 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:00:10,028 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:00:10,041 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:00:10,050 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:00:10,053 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:00:10,054 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:00:10,058 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:00:10,058 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:00:10,063 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:00:10,065 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:00:10,066 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:00:10,068 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:00:10,069 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:00:10,075 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:00:10,080 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:00:10,084 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:00:10,091 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:00:10,092 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:00:10,094 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:00:10,100 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:00:10,101 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:00:10,101 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:00:10,105 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:00:10,105 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:00:10,106 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:00:10,109 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:00:10,110 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:00:10,110 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:00:10,111 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:00:10,116 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:00:10,116 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:00:10,117 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:00:10,118 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:00:10,118 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:00:10,119 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:00:10,121 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:00:10,123 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 10:00:10,154 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:00:10,154 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:00:10,159 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:00:10,159 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:00:10,161 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:00:10,161 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:00:10,161 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:00:10,161 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 10:00:10,162 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:00:10,162 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:00:10,165 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:00:10,165 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:00:10,165 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:00:10,166 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:00:10,166 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:00:10,166 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:00:10,166 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:00:10,166 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:00:10,167 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:00:10,169 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:00:10,169 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:00:10,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:00:10,169 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:00:10,170 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:00:10,170 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:00:10,170 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 10:00:10,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 10:00:10,170 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:00:10,171 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 -> d87f1110511f627d03bb602e53b3240c96adaabd [2019-11-27 10:00:10,604 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:00:10,626 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:00:10,633 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:00:10,634 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:00:10,635 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:00:10,636 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-with-pointer/system-with-recursion.i [2019-11-27 10:00:10,744 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6e5d41fb/5121e24d4d0d4fab9b3e1b5fe1bcde69/FLAG1a64a5307 [2019-11-27 10:00:11,642 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:00:11,645 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-with-pointer/system-with-recursion.i [2019-11-27 10:00:11,689 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6e5d41fb/5121e24d4d0d4fab9b3e1b5fe1bcde69/FLAG1a64a5307 [2019-11-27 10:00:11,779 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6e5d41fb/5121e24d4d0d4fab9b3e1b5fe1bcde69 [2019-11-27 10:00:11,784 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:00:11,785 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:00:11,792 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:00:11,792 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:00:11,795 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:00:11,796 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:00:11" (1/1) ... [2019-11-27 10:00:11,799 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49f80d42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:11, skipping insertion in model container [2019-11-27 10:00:11,800 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:00:11" (1/1) ... [2019-11-27 10:00:11,812 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:00:11,905 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:00:12,759 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:00:12,795 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:00:12,946 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:00:13,088 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:00:13,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:13 WrapperNode [2019-11-27 10:00:13,094 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:00:13,095 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:00:13,095 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:00:13,097 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:00:13,109 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 10:00:13,185 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 10:00:13,274 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:00:13,279 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:00:13,279 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:00:13,279 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:00:13,295 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 10:00:13,298 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 10:00:13,309 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 10:00:13,324 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 10:00:13,369 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 10:00:13,385 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 10:00:13,390 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 10:00:13,410 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:00:13,424 INFO L168 Benchmark]: Toolchain (without parser) took 1637.69 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 949.4 MB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 12.5 GB. [2019-11-27 10:00:13,431 INFO L168 Benchmark]: CDTParser took 0.23 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 10:00:13,431 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1302.61 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 955.1 MB in the end (delta: 12.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB. [2019-11-27 10:00:13,432 INFO L168 Benchmark]: Boogie Procedure Inliner took 183.67 ms. Allocated memory is still 1.0 GB. Free memory is still 955.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:00:13,433 INFO L168 Benchmark]: Boogie Preprocessor took 141.75 ms. Allocated memory is still 1.0 GB. Free memory was 955.1 MB in the beginning and 949.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 10:00:13,446 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 1302.61 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 955.1 MB in the end (delta: 12.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 183.67 ms. Allocated memory is still 1.0 GB. Free memory is still 955.1 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 141.75 ms. Allocated memory is still 1.0 GB. Free memory was 955.1 MB in the beginning and 949.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 10:00:16,212 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:00:16,216 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:00:16,241 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:00:16,241 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:00:16,243 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:00:16,247 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:00:16,256 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:00:16,263 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:00:16,266 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:00:16,269 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:00:16,272 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:00:16,272 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:00:16,275 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:00:16,277 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:00:16,279 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:00:16,282 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:00:16,283 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:00:16,286 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:00:16,291 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:00:16,297 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:00:16,302 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:00:16,304 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:00:16,306 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:00:16,312 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:00:16,312 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:00:16,313 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:00:16,314 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:00:16,317 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:00:16,318 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:00:16,318 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:00:16,319 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:00:16,319 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:00:16,323 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:00:16,324 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:00:16,324 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:00:16,325 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:00:16,328 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:00:16,328 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:00:16,330 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:00:16,331 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:00:16,333 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 10:00:16,373 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:00:16,374 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:00:16,377 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:00:16,378 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:00:16,378 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:00:16,379 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:00:16,379 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:00:16,381 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:00:16,381 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:00:16,381 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:00:16,382 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:00:16,382 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:00:16,383 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 10:00:16,383 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 10:00:16,383 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:00:16,383 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:00:16,386 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:00:16,386 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:00:16,386 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:00:16,386 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:00:16,387 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:00:16,387 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:00:16,387 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:00:16,387 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:00:16,387 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:00:16,388 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:00:16,388 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 10:00:16,388 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 10:00:16,388 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:00:16,391 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 10:00:16,392 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 -> d87f1110511f627d03bb602e53b3240c96adaabd [2019-11-27 10:00:16,837 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:00:16,852 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:00:16,857 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:00:16,861 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:00:16,863 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:00:16,864 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-with-pointer/system-with-recursion.i [2019-11-27 10:00:16,973 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/575af5368/d9669a41ab194463a5d9f1d2de27e8a6/FLAGb4b41826e [2019-11-27 10:00:17,883 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:00:17,884 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-with-pointer/system-with-recursion.i [2019-11-27 10:00:17,914 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/575af5368/d9669a41ab194463a5d9f1d2de27e8a6/FLAGb4b41826e [2019-11-27 10:00:18,013 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/575af5368/d9669a41ab194463a5d9f1d2de27e8a6 [2019-11-27 10:00:18,016 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:00:18,018 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:00:18,036 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:00:18,036 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:00:18,042 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:00:18,043 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:00:18" (1/1) ... [2019-11-27 10:00:18,051 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fb8afde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:18, skipping insertion in model container [2019-11-27 10:00:18,051 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:00:18" (1/1) ... [2019-11-27 10:00:18,067 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:00:18,152 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:00:19,043 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:00:19,091 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:00:19,282 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:00:19,421 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:00:19,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:19 WrapperNode [2019-11-27 10:00:19,425 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:00:19,425 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:00:19,426 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:00:19,426 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:00:19,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:19" (1/1) ... [2019-11-27 10:00:19,517 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:19" (1/1) ... [2019-11-27 10:00:19,591 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:00:19,598 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:00:19,598 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:00:19,598 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:00:19,606 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:19" (1/1) ... [2019-11-27 10:00:19,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:19" (1/1) ... [2019-11-27 10:00:19,631 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:19" (1/1) ... [2019-11-27 10:00:19,632 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:19" (1/1) ... [2019-11-27 10:00:19,679 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:19" (1/1) ... [2019-11-27 10:00:19,691 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:19" (1/1) ... [2019-11-27 10:00:19,701 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:19" (1/1) ... [2019-11-27 10:00:19,728 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:00:19,731 INFO L168 Benchmark]: Toolchain (without parser) took 1712.51 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 949.3 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.5 MB. Max. memory is 12.5 GB. [2019-11-27 10:00:19,737 INFO L168 Benchmark]: CDTParser took 0.61 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 10:00:19,738 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1389.56 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 955.0 MB in the end (delta: 6.7 MB). Peak memory consumption was 21.1 MB. Max. memory is 12.5 GB. [2019-11-27 10:00:19,739 INFO L168 Benchmark]: Boogie Procedure Inliner took 172.21 ms. Allocated memory is still 1.0 GB. Free memory was 955.0 MB in the beginning and 949.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 10:00:19,741 INFO L168 Benchmark]: Boogie Preprocessor took 130.09 ms. Allocated memory is still 1.0 GB. Free memory is still 949.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:00:19,748 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61 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 1389.56 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 955.0 MB in the end (delta: 6.7 MB). Peak memory consumption was 21.1 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 172.21 ms. Allocated memory is still 1.0 GB. Free memory was 955.0 MB in the beginning and 949.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 130.09 ms. Allocated memory is still 1.0 GB. Free memory is still 949.3 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...