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/programs/loopAcceleration/simpleLoopCountDown.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:21:03,216 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:21:03,218 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:21:03,229 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:21:03,230 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:21:03,231 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:21:03,232 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:21:03,234 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:21:03,236 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:21:03,237 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:21:03,238 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:21:03,239 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:21:03,239 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:21:03,240 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:21:03,241 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:21:03,242 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:21:03,243 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:21:03,244 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:21:03,246 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:21:03,248 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:21:03,249 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:21:03,250 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:21:03,251 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:21:03,252 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:21:03,254 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:21:03,255 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:21:03,255 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:21:03,256 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:21:03,256 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:21:03,257 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:21:03,257 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:21:03,258 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:21:03,259 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:21:03,260 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:21:03,261 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:21:03,261 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:21:03,262 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:21:03,262 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:21:03,262 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:21:03,263 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:21:03,264 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:21:03,289 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:21:03,301 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:21:03,304 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:21:03,306 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:21:03,306 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:21:03,307 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/loopAcceleration/simpleLoopCountDown.bpl [2019-08-09 14:21:03,307 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/loopAcceleration/simpleLoopCountDown.bpl' [2019-08-09 14:21:03,335 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:21:03,337 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:21:03,337 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:21:03,338 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:21:03,338 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:21:03,358 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "simpleLoopCountDown.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:21:03" (1/1) ... [2019-08-09 14:21:03,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "simpleLoopCountDown.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:21:03" (1/1) ... [2019-08-09 14:21:03,366 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "simpleLoopCountDown.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:21:03" (1/1) ... [2019-08-09 14:21:03,366 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "simpleLoopCountDown.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:21:03" (1/1) ... [2019-08-09 14:21:03,369 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "simpleLoopCountDown.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:21:03" (1/1) ... [2019-08-09 14:21:03,373 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "simpleLoopCountDown.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:21:03" (1/1) ... [2019-08-09 14:21:03,374 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "simpleLoopCountDown.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:21:03" (1/1) ... [2019-08-09 14:21:03,375 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:21:03,376 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:21:03,376 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:21:03,376 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:21:03,377 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "simpleLoopCountDown.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:21:03" (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 [2019-08-09 14:21:03,445 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-09 14:21:03,445 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 14:21:03,445 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 14:21:03,591 INFO L275 CfgBuilder]: Using library mode [2019-08-09 14:21:03,591 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-09 14:21:03,593 INFO L202 PluginConnector]: Adding new model simpleLoopCountDown.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:21:03 BoogieIcfgContainer [2019-08-09 14:21:03,593 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:21:03,594 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:21:03,594 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:21:03,594 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:21:03,595 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "simpleLoopCountDown.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:21:03" (1/1) ... [2019-08-09 14:21:03,759 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:21:03,767 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:21:03,771 INFO L168 Benchmark]: Toolchain (without parser) took 431.94 ms. Allocated memory is still 139.5 MB. Free memory was 108.0 MB in the beginning and 92.0 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-08-09 14:21:03,774 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 139.5 MB. Free memory was 109.0 MB in the beginning and 108.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-08-09 14:21:03,775 INFO L168 Benchmark]: Boogie Preprocessor took 37.79 ms. Allocated memory is still 139.5 MB. Free memory was 107.8 MB in the beginning and 105.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-09 14:21:03,776 INFO L168 Benchmark]: RCFGBuilder took 217.64 ms. Allocated memory is still 139.5 MB. Free memory was 105.6 MB in the beginning and 96.7 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2019-08-09 14:21:03,778 INFO L168 Benchmark]: Symbolic Interpretation took 173.25 ms. Allocated memory is still 139.5 MB. Free memory was 96.7 MB in the beginning and 92.2 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-08-09 14:21:03,786 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 12]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Interpreter reached this location of interest. Location might be reachable. Predicate is 23#(and (not (< 0 main_x)) (not (= main_x 0))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 139.5 MB. Free memory was 109.0 MB in the beginning and 108.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 37.79 ms. Allocated memory is still 139.5 MB. Free memory was 107.8 MB in the beginning and 105.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 217.64 ms. Allocated memory is still 139.5 MB. Free memory was 105.6 MB in the beginning and 96.7 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 173.25 ms. Allocated memory is still 139.5 MB. Free memory was 96.7 MB in the beginning and 92.2 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...