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/loopAccelerationWerner/twoLoopsSameVars.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:20:59,189 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:20:59,191 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:20:59,207 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:20:59,208 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:20:59,209 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:20:59,210 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:20:59,212 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:20:59,213 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:20:59,214 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:20:59,215 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:20:59,216 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:20:59,216 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:20:59,217 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:20:59,218 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:20:59,219 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:20:59,220 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:20:59,221 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:20:59,223 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:20:59,225 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:20:59,226 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:20:59,227 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:20:59,228 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:20:59,229 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:20:59,231 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:20:59,231 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:20:59,232 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:20:59,232 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:20:59,233 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:20:59,234 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:20:59,234 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:20:59,235 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:20:59,236 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:20:59,236 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:20:59,237 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:20:59,237 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:20:59,238 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:20:59,238 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:20:59,238 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:20:59,239 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:20:59,240 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:20:59,269 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:20:59,285 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:20:59,288 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:20:59,290 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:20:59,291 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:20:59,292 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/loopAcceleration/loopAccelerationWerner/twoLoopsSameVars.bpl [2019-08-09 14:20:59,292 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/loopAcceleration/loopAccelerationWerner/twoLoopsSameVars.bpl' [2019-08-09 14:20:59,316 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:20:59,317 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:20:59,318 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:20:59,318 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:20:59,318 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:20:59,343 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "twoLoopsSameVars.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:59" (1/1) ... [2019-08-09 14:20:59,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "twoLoopsSameVars.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:59" (1/1) ... [2019-08-09 14:20:59,352 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "twoLoopsSameVars.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:59" (1/1) ... [2019-08-09 14:20:59,352 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "twoLoopsSameVars.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:59" (1/1) ... [2019-08-09 14:20:59,355 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "twoLoopsSameVars.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:59" (1/1) ... [2019-08-09 14:20:59,360 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "twoLoopsSameVars.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:59" (1/1) ... [2019-08-09 14:20:59,361 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "twoLoopsSameVars.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:59" (1/1) ... [2019-08-09 14:20:59,362 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:20:59,363 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:20:59,363 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:20:59,363 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:20:59,364 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "twoLoopsSameVars.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:59" (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 14:20:59,431 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-09 14:20:59,431 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 14:20:59,431 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 14:20:59,589 INFO L275 CfgBuilder]: Using library mode [2019-08-09 14:20:59,590 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-09 14:20:59,591 INFO L202 PluginConnector]: Adding new model twoLoopsSameVars.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:20:59 BoogieIcfgContainer [2019-08-09 14:20:59,592 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:20:59,592 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:20:59,592 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:20:59,593 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:20:59,594 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "twoLoopsSameVars.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:20:59" (1/1) ... [2019-08-09 14:20:59,782 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:20:59,790 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:20:59,793 INFO L168 Benchmark]: Toolchain (without parser) took 474.54 ms. Allocated memory is still 132.1 MB. Free memory was 108.8 MB in the beginning and 91.9 MB in the end (delta: 16.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 7.1 GB. [2019-08-09 14:20:59,795 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 132.1 MB. Free memory was 109.8 MB in the beginning and 109.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-09 14:20:59,796 INFO L168 Benchmark]: Boogie Preprocessor took 44.54 ms. Allocated memory is still 132.1 MB. Free memory was 108.6 MB in the beginning and 106.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-09 14:20:59,797 INFO L168 Benchmark]: RCFGBuilder took 229.13 ms. Allocated memory is still 132.1 MB. Free memory was 106.5 MB in the beginning and 97.2 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-08-09 14:20:59,798 INFO L168 Benchmark]: Symbolic Interpretation took 197.71 ms. Allocated memory is still 132.1 MB. Free memory was 97.2 MB in the beginning and 91.9 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. [2019-08-09 14:20:59,802 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 16]: 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 44#(and (not (= main_x 5000)) (not (< main_x 5000))). Possible FailurePath: - UnprovableResult [Line: 21]: 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 41#(and (not (< main_x 10000)) (not (= main_x 10000))). 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 132.1 MB. Free memory was 109.8 MB in the beginning and 109.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.54 ms. Allocated memory is still 132.1 MB. Free memory was 108.6 MB in the beginning and 106.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 229.13 ms. Allocated memory is still 132.1 MB. Free memory was 106.5 MB in the beginning and 97.2 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 197.71 ms. Allocated memory is still 132.1 MB. Free memory was 97.2 MB in the beginning and 91.9 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...