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/unsafeLoop.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:20:56,153 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:20:56,156 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:20:56,167 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:20:56,168 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:20:56,169 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:20:56,170 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:20:56,172 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:20:56,174 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:20:56,175 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:20:56,176 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:20:56,177 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:20:56,177 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:20:56,178 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:20:56,179 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:20:56,180 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:20:56,181 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:20:56,182 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:20:56,184 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:20:56,186 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:20:56,187 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:20:56,189 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:20:56,190 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:20:56,191 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:20:56,193 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:20:56,193 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:20:56,193 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:20:56,196 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:20:56,197 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:20:56,198 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:20:56,199 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:20:56,199 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:20:56,200 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:20:56,201 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:20:56,202 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:20:56,202 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:20:56,203 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:20:56,203 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:20:56,204 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:20:56,204 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:20:56,205 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:20:56,231 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:20:56,244 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:20:56,248 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:20:56,249 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:20:56,250 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:20:56,251 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/loopAcceleration/unsafeLoop.bpl [2019-08-09 14:20:56,251 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/loopAcceleration/unsafeLoop.bpl' [2019-08-09 14:20:56,283 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:20:56,284 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:20:56,285 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:20:56,285 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:20:56,285 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:20:56,310 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unsafeLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:56" (1/1) ... [2019-08-09 14:20:56,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unsafeLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:56" (1/1) ... [2019-08-09 14:20:56,320 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unsafeLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:56" (1/1) ... [2019-08-09 14:20:56,320 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unsafeLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:56" (1/1) ... [2019-08-09 14:20:56,323 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unsafeLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:56" (1/1) ... [2019-08-09 14:20:56,327 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unsafeLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:56" (1/1) ... [2019-08-09 14:20:56,328 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unsafeLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:56" (1/1) ... [2019-08-09 14:20:56,329 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:20:56,330 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:20:56,331 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:20:56,331 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:20:56,332 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unsafeLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:56" (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 14:20:56,401 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-09 14:20:56,402 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 14:20:56,402 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 14:20:56,549 INFO L275 CfgBuilder]: Using library mode [2019-08-09 14:20:56,549 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-09 14:20:56,551 INFO L202 PluginConnector]: Adding new model unsafeLoop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:20:56 BoogieIcfgContainer [2019-08-09 14:20:56,551 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:20:56,552 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:20:56,552 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:20:56,552 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:20:56,556 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "unsafeLoop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:20:56" (1/1) ... [2019-08-09 14:20:56,705 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:20:56,713 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:20:56,716 INFO L168 Benchmark]: Toolchain (without parser) took 430.50 ms. Allocated memory is still 136.3 MB. Free memory was 105.0 MB in the beginning and 89.0 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-08-09 14:20:56,717 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 136.3 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-09 14:20:56,719 INFO L168 Benchmark]: Boogie Preprocessor took 45.09 ms. Allocated memory is still 136.3 MB. Free memory was 104.8 MB in the beginning and 102.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-09 14:20:56,720 INFO L168 Benchmark]: RCFGBuilder took 220.69 ms. Allocated memory is still 136.3 MB. Free memory was 102.7 MB in the beginning and 93.7 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-08-09 14:20:56,721 INFO L168 Benchmark]: Symbolic Interpretation took 161.37 ms. Allocated memory is still 136.3 MB. Free memory was 93.7 MB in the beginning and 89.2 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-08-09 14:20:56,725 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 (= main_x 1000001)) (not (< main_x 1000000))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 136.3 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 45.09 ms. Allocated memory is still 136.3 MB. Free memory was 104.8 MB in the beginning and 102.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 220.69 ms. Allocated memory is still 136.3 MB. Free memory was 102.7 MB in the beginning and 93.7 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 161.37 ms. Allocated memory is still 136.3 MB. Free memory was 93.7 MB in the beginning and 89.2 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...