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/nestedLoopWithAssertion.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:07:43,541 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:07:43,543 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:07:43,555 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:07:43,555 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:07:43,556 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:07:43,557 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:07:43,559 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:07:43,561 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:07:43,562 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:07:43,563 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:07:43,563 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:07:43,564 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:07:43,565 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:07:43,566 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:07:43,567 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:07:43,568 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:07:43,569 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:07:43,571 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:07:43,573 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:07:43,575 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:07:43,576 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:07:43,577 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:07:43,578 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:07:43,580 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 12:07:43,580 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 12:07:43,581 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 12:07:43,581 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 12:07:43,582 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 12:07:43,583 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 12:07:43,583 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:07:43,584 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:07:43,585 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:07:43,586 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:07:43,587 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:07:43,587 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:07:43,588 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:07:43,588 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 12:07:43,588 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 12:07:43,589 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 12:07:43,590 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 12:07:43,617 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:07:43,630 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:07:43,634 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:07:43,635 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:07:43,636 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:07:43,637 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/loopAcceleration/loopAccelerationWerner/nestedLoopWithAssertion.bpl [2019-08-05 12:07:43,637 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/loopAcceleration/loopAccelerationWerner/nestedLoopWithAssertion.bpl' [2019-08-05 12:07:43,670 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:07:43,671 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 12:07:43,672 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:07:43,672 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:07:43,672 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:07:43,698 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nestedLoopWithAssertion.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:43" (1/1) ... [2019-08-05 12:07:43,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nestedLoopWithAssertion.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:43" (1/1) ... [2019-08-05 12:07:43,707 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nestedLoopWithAssertion.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:43" (1/1) ... [2019-08-05 12:07:43,708 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nestedLoopWithAssertion.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:43" (1/1) ... [2019-08-05 12:07:43,711 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nestedLoopWithAssertion.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:43" (1/1) ... [2019-08-05 12:07:43,715 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nestedLoopWithAssertion.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:43" (1/1) ... [2019-08-05 12:07:43,716 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nestedLoopWithAssertion.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:43" (1/1) ... [2019-08-05 12:07:43,718 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:07:43,719 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:07:43,719 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:07:43,719 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:07:43,720 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nestedLoopWithAssertion.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:43" (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 12:07:43,789 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 12:07:43,789 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 12:07:43,789 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 12:07:44,076 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:07:44,076 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:07:44,077 INFO L202 PluginConnector]: Adding new model nestedLoopWithAssertion.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:07:44 BoogieIcfgContainer [2019-08-05 12:07:44,078 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:07:44,078 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 12:07:44,078 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 12:07:44,078 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 12:07:44,080 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "nestedLoopWithAssertion.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:07:44" (1/1) ... [2019-08-05 12:07:44,090 INFO L148 IcfgInterpreter]: Started Sifa with 3 locations of interest [2019-08-05 12:07:44,093 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 12:07:44,100 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-05 12:07:44,108 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 12:07:44,110 INFO L184 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-05 12:07:44,408 WARN L188 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 6 [2019-08-05 12:07:44,701 WARN L188 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 12 [2019-08-05 12:07:44,897 WARN L188 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 14 [2019-08-05 12:07:45,244 WARN L188 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 12 [2019-08-05 12:07:45,711 WARN L188 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 16 [2019-08-05 12:07:45,904 WARN L188 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 18 [2019-08-05 12:07:46,397 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 12:07:46,398 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 12:07:46,401 INFO L178 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 110#(and (or (< main_y 10001) (< main_x 5001)) (not (< main_x 5000)) (not (< main_y 10000))) [2019-08-05 12:07:46,402 INFO L178 IcfgInterpreter]: Location mainErr2ASSERT_VIOLATIONASSERT has predicate 104#false [2019-08-05 12:07:46,402 INFO L178 IcfgInterpreter]: Location mainErr1ASSERT_VIOLATIONASSERT has predicate 107#false [2019-08-05 12:07:46,410 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 12:07:46,413 INFO L168 Benchmark]: Toolchain (without parser) took 2740.55 ms. Allocated memory was 140.0 MB in the beginning and 177.7 MB in the end (delta: 37.7 MB). Free memory was 109.5 MB in the beginning and 89.0 MB in the end (delta: 20.5 MB). Peak memory consumption was 58.3 MB. Max. memory is 7.1 GB. [2019-08-05 12:07:46,414 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 140.0 MB. Free memory was 110.8 MB in the beginning and 110.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-05 12:07:46,415 INFO L168 Benchmark]: Boogie Preprocessor took 46.30 ms. Allocated memory is still 140.0 MB. Free memory was 109.5 MB in the beginning and 107.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:07:46,416 INFO L168 Benchmark]: RCFGBuilder took 358.97 ms. Allocated memory is still 140.0 MB. Free memory was 107.4 MB in the beginning and 97.7 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-08-05 12:07:46,418 INFO L168 Benchmark]: Symbolic Interpretation took 2332.33 ms. Allocated memory was 140.0 MB in the beginning and 177.7 MB in the end (delta: 37.7 MB). Free memory was 97.7 MB in the beginning and 89.0 MB in the end (delta: 8.7 MB). Peak memory consumption was 46.5 MB. Max. memory is 7.1 GB. [2019-08-05 12:07:46,422 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 19]: 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.. Possible FailurePath: - PositiveResult [Line: 22]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 21]: assertion always holds For all program executions holds that assertion always holds at this location * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 140.0 MB. Free memory was 110.8 MB in the beginning and 110.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.30 ms. Allocated memory is still 140.0 MB. Free memory was 109.5 MB in the beginning and 107.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 358.97 ms. Allocated memory is still 140.0 MB. Free memory was 107.4 MB in the beginning and 97.7 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 2332.33 ms. Allocated memory was 140.0 MB in the beginning and 177.7 MB in the end (delta: 37.7 MB). Free memory was 97.7 MB in the beginning and 89.0 MB in the end (delta: 8.7 MB). Peak memory consumption was 46.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...