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/toy/nonlinear/Power3-Safe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:54:12,143 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:54:12,145 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:54:12,157 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:54:12,158 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:54:12,159 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:54:12,160 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:54:12,162 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:54:12,164 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:54:12,164 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:54:12,165 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:54:12,167 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:54:12,167 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:54:12,168 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:54:12,169 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:54:12,170 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:54:12,171 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:54:12,172 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:54:12,173 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:54:12,176 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:54:12,177 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:54:12,178 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:54:12,180 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:54:12,180 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:54:12,183 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:54:12,183 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:54:12,184 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:54:12,184 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:54:12,185 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:54:12,186 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:54:12,187 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:54:12,187 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:54:12,188 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:54:12,189 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:54:12,190 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:54:12,190 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:54:12,191 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:54:12,191 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:54:12,191 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:54:12,192 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:54:12,193 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:54:12,220 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:54:12,234 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:54:12,237 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:54:12,239 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:54:12,239 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:54:12,240 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/nonlinear/Power3-Safe.bpl [2019-08-06 16:54:12,240 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/nonlinear/Power3-Safe.bpl' [2019-08-06 16:54:12,272 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:54:12,273 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:54:12,274 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:54:12,274 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:54:12,274 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:54:12,299 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Power3-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:12" (1/1) ... [2019-08-06 16:54:12,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Power3-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:12" (1/1) ... [2019-08-06 16:54:12,308 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Power3-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:12" (1/1) ... [2019-08-06 16:54:12,308 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Power3-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:12" (1/1) ... [2019-08-06 16:54:12,310 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Power3-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:12" (1/1) ... [2019-08-06 16:54:12,314 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Power3-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:12" (1/1) ... [2019-08-06 16:54:12,315 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Power3-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:12" (1/1) ... [2019-08-06 16:54:12,316 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:54:12,317 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:54:12,317 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:54:12,318 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:54:12,319 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Power3-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:12" (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 16:54:12,384 INFO L124 BoogieDeclarations]: Specification and implementation of procedure power given in one single declaration [2019-08-06 16:54:12,384 INFO L130 BoogieDeclarations]: Found specification of procedure power [2019-08-06 16:54:12,384 INFO L138 BoogieDeclarations]: Found implementation of procedure power [2019-08-06 16:54:12,457 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-08-06 16:54:12,600 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:54:12,600 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:54:12,601 INFO L202 PluginConnector]: Adding new model Power3-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:54:12 BoogieIcfgContainer [2019-08-06 16:54:12,602 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:54:12,602 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:54:12,602 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:54:12,603 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:54:12,604 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "Power3-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:54:12" (1/1) ... [2019-08-06 16:54:12,614 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:54:12,617 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:54:12,625 INFO L160 IcfgInterpreter]: Initial procedures are [power] [2019-08-06 16:54:12,633 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:54:12,634 INFO L185 IcfgInterpreter]: Interpreting procedure power with input of size 1 [2019-08-06 16:54:12,731 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:54:12,731 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:54:12,734 INFO L179 IcfgInterpreter]: Location powerErr0ENSURES_VIOLATIONPOST_CONDITION has predicate 23#(and (< 0 (+ power_tmp 1)) (not (>= power_res (* power_a power_b))) (not (< 0 power_tmp)) (exists ((v_power_res_10 Int)) (= power_res (* v_power_res_10 power_a)))) [2019-08-06 16:54:12,735 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:54:12,742 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:54:12,745 INFO L168 Benchmark]: Toolchain (without parser) took 470.53 ms. Allocated memory is still 138.9 MB. Free memory was 107.6 MB in the beginning and 90.6 MB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:54:12,746 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 138.9 MB. Free memory was 108.6 MB in the beginning and 108.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-06 16:54:12,747 INFO L168 Benchmark]: Boogie Preprocessor took 42.73 ms. Allocated memory is still 138.9 MB. Free memory was 107.3 MB in the beginning and 105.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:54:12,748 INFO L168 Benchmark]: RCFGBuilder took 284.56 ms. Allocated memory is still 138.9 MB. Free memory was 105.1 MB in the beginning and 95.8 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-08-06 16:54:12,749 INFO L168 Benchmark]: Symbolic Interpretation took 140.01 ms. Allocated memory is still 138.9 MB. Free memory was 95.8 MB in the beginning and 90.6 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:54:12,753 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 9]: Unable to prove that procedure postcondition always holds Unable to prove that procedure postcondition always holds Reason: Interpreter reached this location of interest. Location might be reachable.. 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 138.9 MB. Free memory was 108.6 MB in the beginning and 108.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 42.73 ms. Allocated memory is still 138.9 MB. Free memory was 107.3 MB in the beginning and 105.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 284.56 ms. Allocated memory is still 138.9 MB. Free memory was 105.1 MB in the beginning and 95.8 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 140.01 ms. Allocated memory is still 138.9 MB. Free memory was 95.8 MB in the beginning and 90.6 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...