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/NonlinearInvariant1-Safe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:46:40,339 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:46:40,341 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:46:40,358 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:46:40,358 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:46:40,360 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:46:40,361 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:46:40,363 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:46:40,374 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:46:40,375 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:46:40,377 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:46:40,377 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:46:40,377 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:46:40,380 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:46:40,381 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:46:40,383 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:46:40,384 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:46:40,386 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:46:40,389 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:46:40,393 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:46:40,396 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:46:40,397 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:46:40,400 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:46:40,401 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:46:40,404 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:46:40,404 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:46:40,405 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:46:40,406 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:46:40,406 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:46:40,409 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:46:40,409 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:46:40,411 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:46:40,412 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:46:40,413 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:46:40,415 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:46:40,416 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:46:40,418 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:46:40,418 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:46:40,419 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:46:40,419 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:46:40,423 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:46:40,468 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:46:40,485 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:46:40,488 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:46:40,490 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:46:40,490 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:46:40,491 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/nonlinear/NonlinearInvariant1-Safe.bpl [2019-08-05 11:46:40,491 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/nonlinear/NonlinearInvariant1-Safe.bpl' [2019-08-05 11:46:40,527 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:46:40,529 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 11:46:40,529 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:46:40,529 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:46:40,530 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:46:40,555 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:46:40" (1/1) ... [2019-08-05 11:46:40,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:46:40" (1/1) ... [2019-08-05 11:46:40,564 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:46:40" (1/1) ... [2019-08-05 11:46:40,565 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:46:40" (1/1) ... [2019-08-05 11:46:40,569 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:46:40" (1/1) ... [2019-08-05 11:46:40,575 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:46:40" (1/1) ... [2019-08-05 11:46:40,576 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:46:40" (1/1) ... [2019-08-05 11:46:40,577 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:46:40,578 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:46:40,579 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:46:40,579 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:46:40,581 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:46:40" (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 11:46:40,652 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 11:46:40,653 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 11:46:40,653 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 11:46:40,727 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-08-05 11:46:40,954 INFO L275 CfgBuilder]: Using library mode [2019-08-05 11:46:40,954 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-05 11:46:40,961 INFO L202 PluginConnector]: Adding new model NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:46:40 BoogieIcfgContainer [2019-08-05 11:46:40,962 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:46:40,962 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 11:46:40,963 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 11:46:40,965 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 11:46:40,971 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:46:40" (1/1) ... [2019-08-05 11:46:40,995 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 11:46:40,999 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 11:46:41,018 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-05 11:46:41,038 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 11:46:41,039 INFO L184 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-05 11:46:41,241 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2019-08-05 11:46:41,354 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2019-08-05 11:46:41,593 WARN L188 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 58 [2019-08-05 11:46:41,823 WARN L188 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2019-08-05 11:46:54,054 WARN L188 SmtUtils]: Spent 12.18 s on a formula simplification that was a NOOP. DAG size: 122 [2019-08-05 11:46:54,310 WARN L188 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2019-08-05 11:46:54,310 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 11:46:54,310 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 11:46:54,313 INFO L178 IcfgInterpreter]: Location mainErr0ENSURES_VIOLATIONPOST_CONDITION has predicate 33#(and (or (<= 1 main_tmp1) (< (+ main_tmp1 1) 0)) (or (< (+ main_tmp2 1) 0) (<= 1 main_tmp2)) (not (> (* main_out1 main_out2) 0)) (= main_out2 main_tmp2) (= main_out1 main_tmp1)) [2019-08-05 11:46:54,322 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 11:46:54,325 INFO L168 Benchmark]: Toolchain (without parser) took 13795.44 ms. Allocated memory is still 140.0 MB. Free memory was 109.5 MB in the beginning and 63.5 MB in the end (delta: 46.1 MB). Peak memory consumption was 46.1 MB. Max. memory is 7.1 GB. [2019-08-05 11:46:54,326 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 140.0 MB. Free memory was 110.8 MB in the beginning and 110.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 11:46:54,328 INFO L168 Benchmark]: Boogie Preprocessor took 48.28 ms. Allocated memory is still 140.0 MB. Free memory was 109.5 MB in the beginning and 107.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-05 11:46:54,329 INFO L168 Benchmark]: RCFGBuilder took 384.25 ms. Allocated memory is still 140.0 MB. Free memory was 107.2 MB in the beginning and 96.3 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2019-08-05 11:46:54,330 INFO L168 Benchmark]: Symbolic Interpretation took 13359.87 ms. Allocated memory is still 140.0 MB. Free memory was 96.3 MB in the beginning and 63.5 MB in the end (delta: 32.9 MB). Peak memory consumption was 32.9 MB. Max. memory is 7.1 GB. [2019-08-05 11:46:54,334 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 15]: 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 0.20 ms. Allocated memory is still 140.0 MB. Free memory was 110.8 MB in the beginning and 110.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 48.28 ms. Allocated memory is still 140.0 MB. Free memory was 109.5 MB in the beginning and 107.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 384.25 ms. Allocated memory is still 140.0 MB. Free memory was 107.2 MB in the beginning and 96.3 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 13359.87 ms. Allocated memory is still 140.0 MB. Free memory was 96.3 MB in the beginning and 63.5 MB in the end (delta: 32.9 MB). Peak memory consumption was 32.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...