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/loopAccelerationAbstractPathConditions.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:07:49,425 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:07:49,427 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:07:49,438 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:07:49,439 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:07:49,440 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:07:49,441 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:07:49,443 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:07:49,444 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:07:49,445 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:07:49,446 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:07:49,447 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:07:49,447 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:07:49,448 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:07:49,449 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:07:49,450 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:07:49,451 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:07:49,452 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:07:49,453 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:07:49,455 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:07:49,457 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:07:49,458 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:07:49,459 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:07:49,460 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:07:49,462 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 12:07:49,463 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 12:07:49,463 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 12:07:49,464 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 12:07:49,464 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 12:07:49,465 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 12:07:49,466 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:07:49,466 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:07:49,467 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:07:49,468 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:07:49,469 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:07:49,469 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:07:49,470 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:07:49,470 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 12:07:49,471 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 12:07:49,471 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 12:07:49,472 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 12:07:49,505 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:07:49,519 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:07:49,522 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:07:49,523 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:07:49,523 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:07:49,524 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/loopAcceleration/loopAccelerationAbstractPathConditions.bpl [2019-08-05 12:07:49,524 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/loopAcceleration/loopAccelerationAbstractPathConditions.bpl' [2019-08-05 12:07:49,550 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:07:49,552 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 12:07:49,553 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:07:49,553 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:07:49,553 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:07:49,575 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "loopAccelerationAbstractPathConditions.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:49" (1/1) ... [2019-08-05 12:07:49,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "loopAccelerationAbstractPathConditions.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:49" (1/1) ... [2019-08-05 12:07:49,585 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "loopAccelerationAbstractPathConditions.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:49" (1/1) ... [2019-08-05 12:07:49,585 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "loopAccelerationAbstractPathConditions.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:49" (1/1) ... [2019-08-05 12:07:49,589 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "loopAccelerationAbstractPathConditions.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:49" (1/1) ... [2019-08-05 12:07:49,593 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "loopAccelerationAbstractPathConditions.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:49" (1/1) ... [2019-08-05 12:07:49,594 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "loopAccelerationAbstractPathConditions.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:49" (1/1) ... [2019-08-05 12:07:49,595 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:07:49,596 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:07:49,596 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:07:49,596 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:07:49,597 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "loopAccelerationAbstractPathConditions.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:49" (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 12:07:49,660 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 12:07:49,660 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 12:07:49,660 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 12:07:49,996 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:07:49,996 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:07:49,997 INFO L202 PluginConnector]: Adding new model loopAccelerationAbstractPathConditions.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:07:49 BoogieIcfgContainer [2019-08-05 12:07:49,998 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:07:49,998 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 12:07:49,998 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 12:07:49,998 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 12:07:50,000 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "loopAccelerationAbstractPathConditions.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:07:49" (1/1) ... [2019-08-05 12:07:50,010 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 12:07:50,012 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 12:07:50,019 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-05 12:07:50,027 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 12:07:50,028 INFO L184 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-05 12:07:50,348 WARN L188 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 20 [2019-08-05 12:07:50,649 WARN L188 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 41 [2019-08-05 12:07:50,952 WARN L188 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 59 [2019-08-05 12:07:52,719 WARN L188 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 95 [2019-08-05 12:07:52,746 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 12:07:52,747 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 12:07:52,749 INFO L178 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 34#(and (< i (+ n 1)) (< 12 k) (not (< i n))) [2019-08-05 12:07:52,757 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 12:07:52,760 INFO L168 Benchmark]: Toolchain (without parser) took 3207.38 ms. Allocated memory is still 134.2 MB. Free memory was 111.6 MB in the beginning and 68.5 MB in the end (delta: 43.2 MB). Peak memory consumption was 43.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:07:52,761 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.17 ms. Allocated memory is still 134.2 MB. Free memory is still 112.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 12:07:52,762 INFO L168 Benchmark]: Boogie Preprocessor took 42.58 ms. Allocated memory is still 134.2 MB. Free memory was 111.6 MB in the beginning and 109.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:07:52,763 INFO L168 Benchmark]: RCFGBuilder took 402.03 ms. Allocated memory is still 134.2 MB. Free memory was 109.4 MB in the beginning and 98.3 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:07:52,764 INFO L168 Benchmark]: Symbolic Interpretation took 2759.68 ms. Allocated memory is still 134.2 MB. Free memory was 98.3 MB in the beginning and 68.5 MB in the end (delta: 29.9 MB). Peak memory consumption was 29.9 MB. Max. memory is 7.1 GB. [2019-08-05 12:07:52,768 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 27]: 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: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.17 ms. Allocated memory is still 134.2 MB. Free memory is still 112.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 42.58 ms. Allocated memory is still 134.2 MB. Free memory was 111.6 MB in the beginning and 109.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 402.03 ms. Allocated memory is still 134.2 MB. Free memory was 109.4 MB in the beginning and 98.3 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 2759.68 ms. Allocated memory is still 134.2 MB. Free memory was 98.3 MB in the beginning and 68.5 MB in the end (delta: 29.9 MB). Peak memory consumption was 29.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...