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-b8c145f [2019-08-05 11:46:38,221 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:46:38,223 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:46:38,234 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:46:38,235 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:46:38,236 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:46:38,237 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:46:38,239 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:46:38,241 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:46:38,242 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:46:38,242 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:46:38,243 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:46:38,243 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:46:38,244 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:46:38,245 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:46:38,246 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:46:38,247 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:46:38,248 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:46:38,250 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:46:38,252 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:46:38,253 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:46:38,254 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:46:38,256 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:46:38,257 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:46:38,259 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:46:38,259 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:46:38,259 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:46:38,260 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:46:38,260 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:46:38,261 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:46:38,262 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:46:38,262 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:46:38,263 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:46:38,264 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:46:38,265 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:46:38,265 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:46:38,266 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:46:38,266 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:46:38,266 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:46:38,267 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:46:38,268 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:46:38,295 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:46:38,307 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:46:38,310 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:46:38,312 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:46:38,313 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:46:38,313 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/nonlinear/Power3-Safe.bpl [2019-08-05 11:46:38,314 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/nonlinear/Power3-Safe.bpl' [2019-08-05 11:46:38,345 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:46:38,346 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 11:46:38,347 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:46:38,347 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:46:38,347 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:46:38,372 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Power3-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:46:38" (1/1) ... [2019-08-05 11:46:38,374 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Power3-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:46:38" (1/1) ... [2019-08-05 11:46:38,381 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Power3-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:46:38" (1/1) ... [2019-08-05 11:46:38,381 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Power3-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:46:38" (1/1) ... [2019-08-05 11:46:38,384 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Power3-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:46:38" (1/1) ... [2019-08-05 11:46:38,388 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Power3-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:46:38" (1/1) ... [2019-08-05 11:46:38,389 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Power3-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:46:38" (1/1) ... [2019-08-05 11:46:38,390 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:46:38,391 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:46:38,391 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:46:38,391 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:46:38,392 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Power3-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:46:38" (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 [2019-08-05 11:46:38,463 INFO L124 BoogieDeclarations]: Specification and implementation of procedure power given in one single declaration [2019-08-05 11:46:38,463 INFO L130 BoogieDeclarations]: Found specification of procedure power [2019-08-05 11:46:38,463 INFO L138 BoogieDeclarations]: Found implementation of procedure power [2019-08-05 11:46:38,530 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-08-05 11:46:38,696 INFO L275 CfgBuilder]: Using library mode [2019-08-05 11:46:38,696 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 11:46:38,697 INFO L202 PluginConnector]: Adding new model Power3-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:46:38 BoogieIcfgContainer [2019-08-05 11:46:38,698 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:46:38,698 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 11:46:38,698 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 11:46:38,698 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 11:46:38,700 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "Power3-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:46:38" (1/1) ... [2019-08-05 11:46:38,711 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 11:46:38,714 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 11:46:38,720 INFO L160 IcfgInterpreter]: Initial procedures are [power] [2019-08-05 11:46:38,729 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 11:46:38,730 INFO L184 IcfgInterpreter]: Interpreting procedure power with input of size 1 [2019-08-05 11:46:38,978 WARN L188 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 13 [2019-08-05 11:46:39,234 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 30 [2019-08-05 11:46:39,533 WARN L188 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2019-08-05 11:47:27,518 WARN L188 SmtUtils]: Spent 46.41 s on a formula simplification that was a NOOP. DAG size: 68 [2019-08-05 11:47:27,558 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 11:47:27,558 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 11:47:27,561 INFO L178 IcfgInterpreter]: Location powerErr0ENSURES_VIOLATIONPOST_CONDITION has predicate 33#(and (< 0 (+ power_tmp 1)) (not (>= power_res (* power_a power_b))) (not (< 0 power_tmp)) (exists ((v_power_res_12 Int)) (= power_res (* v_power_res_12 power_a)))) [2019-08-05 11:47:27,572 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 11:47:27,574 INFO L168 Benchmark]: Toolchain (without parser) took 49227.92 ms. Allocated memory is still 139.5 MB. Free memory was 109.3 MB in the beginning and 68.1 MB in the end (delta: 41.2 MB). Peak memory consumption was 41.2 MB. Max. memory is 7.1 GB. [2019-08-05 11:47:27,576 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 110.3 MB in the beginning and 110.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-05 11:47:27,577 INFO L168 Benchmark]: Boogie Preprocessor took 43.92 ms. Allocated memory is still 139.5 MB. Free memory was 109.1 MB in the beginning and 107.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-05 11:47:27,578 INFO L168 Benchmark]: RCFGBuilder took 306.86 ms. Allocated memory is still 139.5 MB. Free memory was 106.8 MB in the beginning and 97.5 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-08-05 11:47:27,579 INFO L168 Benchmark]: Symbolic Interpretation took 48874.42 ms. Allocated memory is still 139.5 MB. Free memory was 97.5 MB in the beginning and 68.1 MB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 7.1 GB. [2019-08-05 11:47:27,583 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 139.5 MB. Free memory was 110.3 MB in the beginning and 110.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.92 ms. Allocated memory is still 139.5 MB. Free memory was 109.1 MB in the beginning and 107.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 306.86 ms. Allocated memory is still 139.5 MB. Free memory was 106.8 MB in the beginning and 97.5 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 48874.42 ms. Allocated memory is still 139.5 MB. Free memory was 97.5 MB in the beginning and 68.1 MB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...