java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/Sifa.xml -i ../../../trunk/examples/unrolling-tests/IRS-Dep-InfiniteRecursion.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b03553c [2019-08-05 18:05:57,113 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:05:57,115 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:05:57,127 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:05:57,128 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:05:57,129 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:05:57,130 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:05:57,133 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:05:57,135 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:05:57,137 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:05:57,138 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:05:57,139 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:05:57,139 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:05:57,141 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:05:57,142 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:05:57,143 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:05:57,144 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:05:57,145 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:05:57,147 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:05:57,149 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:05:57,151 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:05:57,153 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:05:57,154 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:05:57,155 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:05:57,158 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:05:57,159 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:05:57,159 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:05:57,160 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:05:57,161 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:05:57,162 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:05:57,162 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:05:57,163 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:05:57,164 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:05:57,165 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:05:57,167 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:05:57,167 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:05:57,168 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:05:57,168 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:05:57,168 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:05:57,170 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:05:57,170 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:05:57,200 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:05:57,225 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:05:57,229 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:05:57,231 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:05:57,232 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:05:57,234 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/unrolling-tests/IRS-Dep-InfiniteRecursion.bpl [2019-08-05 18:05:57,234 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/unrolling-tests/IRS-Dep-InfiniteRecursion.bpl' [2019-08-05 18:05:57,267 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:05:57,269 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:05:57,269 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:05:57,270 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:05:57,270 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:05:57,299 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "IRS-Dep-InfiniteRecursion.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:05:57" (1/1) ... [2019-08-05 18:05:57,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "IRS-Dep-InfiniteRecursion.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:05:57" (1/1) ... [2019-08-05 18:05:57,308 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "IRS-Dep-InfiniteRecursion.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:05:57" (1/1) ... [2019-08-05 18:05:57,308 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "IRS-Dep-InfiniteRecursion.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:05:57" (1/1) ... [2019-08-05 18:05:57,311 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "IRS-Dep-InfiniteRecursion.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:05:57" (1/1) ... [2019-08-05 18:05:57,312 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "IRS-Dep-InfiniteRecursion.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:05:57" (1/1) ... [2019-08-05 18:05:57,314 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "IRS-Dep-InfiniteRecursion.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:05:57" (1/1) ... [2019-08-05 18:05:57,315 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:05:57,318 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:05:57,318 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:05:57,318 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:05:57,320 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "IRS-Dep-InfiniteRecursion.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:05:57" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-08-05 18:05:57,390 INFO L130 BoogieDeclarations]: Found specification of procedure SimpleTrace [2019-08-05 18:05:57,390 INFO L138 BoogieDeclarations]: Found implementation of procedure SimpleTrace [2019-08-05 18:05:57,390 INFO L130 BoogieDeclarations]: Found specification of procedure Main [2019-08-05 18:05:57,390 INFO L138 BoogieDeclarations]: Found implementation of procedure Main [2019-08-05 18:05:57,561 INFO L275 CfgBuilder]: Using library mode [2019-08-05 18:05:57,561 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 18:05:57,563 INFO L202 PluginConnector]: Adding new model IRS-Dep-InfiniteRecursion.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:05:57 BoogieIcfgContainer [2019-08-05 18:05:57,563 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:05:57,564 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:05:57,564 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:05:57,565 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:05:57,566 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "IRS-Dep-InfiniteRecursion.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:05:57" (1/1) ... [2019-08-05 18:05:57,582 INFO L148 IcfgInterpreter]: Started Sifa with 0 locations of interest [2019-08-05 18:05:57,582 WARN L150 IcfgInterpreter]: No location of interest given. Interpreter runs nevertheless. You may want to cancel. [2019-08-05 18:05:57,585 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:05:57,594 INFO L160 IcfgInterpreter]: Initial procedures are [] [2019-08-05 18:05:57,603 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:05:57,603 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:05:57,604 WARN L172 IcfgInterpreter]: No locations of interest were given [2019-08-05 18:05:57,605 INFO L84 terpretationObserver]: All locations of interest are guaranteed to be unreachable. [2019-08-05 18:05:57,608 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:05:57,612 INFO L168 Benchmark]: Toolchain (without parser) took 341.44 ms. Allocated memory is still 137.9 MB. Free memory was 106.1 MB in the beginning and 94.0 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. [2019-08-05 18:05:57,613 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.30 ms. Allocated memory is still 137.9 MB. Free memory is still 107.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 18:05:57,614 INFO L168 Benchmark]: Boogie Preprocessor took 46.03 ms. Allocated memory is still 137.9 MB. Free memory was 106.1 MB in the beginning and 103.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 18:05:57,616 INFO L168 Benchmark]: RCFGBuilder took 245.12 ms. Allocated memory is still 137.9 MB. Free memory was 103.9 MB in the beginning and 96.1 MB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 7.1 GB. [2019-08-05 18:05:57,617 INFO L168 Benchmark]: Symbolic Interpretation took 44.07 ms. Allocated memory is still 137.9 MB. Free memory was 96.1 MB in the beginning and 94.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-05 18:05:57,623 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - AllSpecificationsHoldResult: All specifications hold All locations of interest are guaranteed to be unreachable. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.30 ms. Allocated memory is still 137.9 MB. Free memory is still 107.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.03 ms. Allocated memory is still 137.9 MB. Free memory was 106.1 MB in the beginning and 103.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 245.12 ms. Allocated memory is still 137.9 MB. Free memory was 103.9 MB in the beginning and 96.1 MB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 44.07 ms. Allocated memory is still 137.9 MB. Free memory was 96.1 MB in the beginning and 94.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...