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/lassos/UnboundedDecrease.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:46:30,335 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:46:30,337 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:46:30,350 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:46:30,350 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:46:30,352 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:46:30,353 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:46:30,355 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:46:30,357 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:46:30,358 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:46:30,358 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:46:30,360 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:46:30,360 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:46:30,361 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:46:30,362 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:46:30,363 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:46:30,364 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:46:30,365 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:46:30,367 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:46:30,369 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:46:30,370 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:46:30,371 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:46:30,373 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:46:30,374 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:46:30,376 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:46:30,376 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:46:30,376 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:46:30,379 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:46:30,379 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:46:30,380 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:46:30,381 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:46:30,381 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:46:30,382 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:46:30,383 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:46:30,384 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:46:30,384 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:46:30,385 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:46:30,385 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:46:30,385 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:46:30,387 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:46:30,387 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:46:30,430 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:46:30,443 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:46:30,446 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:46:30,448 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:46:30,449 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:46:30,450 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/lassos/UnboundedDecrease.bpl [2019-08-06 16:46:30,450 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/lassos/UnboundedDecrease.bpl' [2019-08-06 16:46:30,487 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:46:30,488 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:46:30,489 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:46:30,489 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:46:30,490 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:46:30,518 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "UnboundedDecrease.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:46:30" (1/1) ... [2019-08-06 16:46:30,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "UnboundedDecrease.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:46:30" (1/1) ... [2019-08-06 16:46:30,528 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "UnboundedDecrease.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:46:30" (1/1) ... [2019-08-06 16:46:30,528 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "UnboundedDecrease.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:46:30" (1/1) ... [2019-08-06 16:46:30,531 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "UnboundedDecrease.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:46:30" (1/1) ... [2019-08-06 16:46:30,536 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "UnboundedDecrease.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:46:30" (1/1) ... [2019-08-06 16:46:30,537 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "UnboundedDecrease.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:46:30" (1/1) ... [2019-08-06 16:46:30,538 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:46:30,539 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:46:30,540 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:46:30,541 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:46:30,542 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "UnboundedDecrease.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:46:30" (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 [2019-08-06 16:46:30,618 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-06 16:46:30,618 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-06 16:46:30,619 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-06 16:46:30,781 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:46:30,781 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-06 16:46:30,783 INFO L202 PluginConnector]: Adding new model UnboundedDecrease.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:46:30 BoogieIcfgContainer [2019-08-06 16:46:30,783 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:46:30,784 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:46:30,784 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:46:30,784 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:46:30,785 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "UnboundedDecrease.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:46:30" (1/1) ... [2019-08-06 16:46:30,797 INFO L148 IcfgInterpreter]: Started Sifa with 0 locations of interest [2019-08-06 16:46:30,797 WARN L150 IcfgInterpreter]: No location of interest given. Interpreter runs nevertheless. You may want to cancel. [2019-08-06 16:46:30,800 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:46:30,805 INFO L160 IcfgInterpreter]: Initial procedures are [] [2019-08-06 16:46:30,813 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:46:30,814 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:46:30,814 WARN L172 IcfgInterpreter]: No locations of interest were given [2019-08-06 16:46:30,815 INFO L84 terpretationObserver]: All locations of interest are guaranteed to be unreachable. [2019-08-06 16:46:30,816 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:46:30,819 INFO L168 Benchmark]: Toolchain (without parser) took 330.14 ms. Allocated memory is still 137.4 MB. Free memory was 105.7 MB in the beginning and 93.0 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. [2019-08-06 16:46:30,820 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 137.4 MB. Free memory is still 106.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-06 16:46:30,822 INFO L168 Benchmark]: Boogie Preprocessor took 49.55 ms. Allocated memory is still 137.4 MB. Free memory was 105.7 MB in the beginning and 103.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:46:30,823 INFO L168 Benchmark]: RCFGBuilder took 243.87 ms. Allocated memory is still 137.4 MB. Free memory was 103.5 MB in the beginning and 94.7 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2019-08-06 16:46:30,824 INFO L168 Benchmark]: Symbolic Interpretation took 32.95 ms. Allocated memory is still 137.4 MB. Free memory was 94.7 MB in the beginning and 93.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-06 16:46:30,827 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 0.23 ms. Allocated memory is still 137.4 MB. Free memory is still 106.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 49.55 ms. Allocated memory is still 137.4 MB. Free memory was 105.7 MB in the beginning and 103.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 243.87 ms. Allocated memory is still 137.4 MB. Free memory was 103.5 MB in the beginning and 94.7 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 32.95 ms. Allocated memory is still 137.4 MB. Free memory was 94.7 MB in the beginning and 93.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...