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/dangerInvariants/loop2.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:07:33,317 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:07:33,319 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:07:33,331 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:07:33,331 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:07:33,332 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:07:33,334 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:07:33,336 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:07:33,338 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:07:33,339 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:07:33,339 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:07:33,340 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:07:33,340 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:07:33,341 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:07:33,342 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:07:33,344 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:07:33,344 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:07:33,346 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:07:33,347 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:07:33,350 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:07:33,352 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:07:33,353 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:07:33,354 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:07:33,355 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:07:33,357 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 12:07:33,358 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 12:07:33,358 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 12:07:33,359 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 12:07:33,360 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 12:07:33,361 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 12:07:33,361 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:07:33,362 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:07:33,363 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:07:33,364 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:07:33,365 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:07:33,365 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:07:33,366 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:07:33,366 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 12:07:33,366 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 12:07:33,367 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 12:07:33,368 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 12:07:33,395 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:07:33,408 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:07:33,411 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:07:33,413 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:07:33,413 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:07:33,414 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/dangerInvariants/loop2.bpl [2019-08-05 12:07:33,414 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/dangerInvariants/loop2.bpl' [2019-08-05 12:07:33,444 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:07:33,446 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 12:07:33,447 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:07:33,447 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:07:33,447 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:07:33,470 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "loop2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:33" (1/1) ... [2019-08-05 12:07:33,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "loop2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:33" (1/1) ... [2019-08-05 12:07:33,479 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "loop2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:33" (1/1) ... [2019-08-05 12:07:33,479 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "loop2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:33" (1/1) ... [2019-08-05 12:07:33,482 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "loop2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:33" (1/1) ... [2019-08-05 12:07:33,486 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "loop2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:33" (1/1) ... [2019-08-05 12:07:33,487 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "loop2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:33" (1/1) ... [2019-08-05 12:07:33,488 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:07:33,489 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:07:33,489 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:07:33,489 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:07:33,490 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "loop2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:33" (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 12:07:33,557 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 12:07:33,558 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 12:07:33,558 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 12:07:33,811 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:07:33,812 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:07:33,813 INFO L202 PluginConnector]: Adding new model loop2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:07:33 BoogieIcfgContainer [2019-08-05 12:07:33,813 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:07:33,813 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 12:07:33,814 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 12:07:33,814 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 12:07:33,816 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "loop2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:07:33" (1/1) ... [2019-08-05 12:07:33,827 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 12:07:33,831 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 12:07:33,844 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-05 12:07:33,854 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 12:07:33,855 INFO L184 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-05 12:07:34,151 WARN L188 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 8 [2019-08-05 12:07:34,293 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 12:07:34,293 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 12:07:34,296 INFO L178 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 26#(= main_x 10) [2019-08-05 12:07:34,303 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 12:07:34,305 INFO L168 Benchmark]: Toolchain (without parser) took 858.46 ms. Allocated memory is still 133.7 MB. Free memory was 110.2 MB in the beginning and 87.6 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. [2019-08-05 12:07:34,306 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 133.7 MB. Free memory was 111.2 MB in the beginning and 111.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-05 12:07:34,307 INFO L168 Benchmark]: Boogie Preprocessor took 41.67 ms. Allocated memory is still 133.7 MB. Free memory was 110.0 MB in the beginning and 107.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:07:34,308 INFO L168 Benchmark]: RCFGBuilder took 324.49 ms. Allocated memory is still 133.7 MB. Free memory was 107.8 MB in the beginning and 98.9 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2019-08-05 12:07:34,309 INFO L168 Benchmark]: Symbolic Interpretation took 489.36 ms. Allocated memory is still 133.7 MB. Free memory was 98.9 MB in the beginning and 87.6 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2019-08-05 12:07:34,313 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 11]: 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 0.24 ms. Allocated memory is still 133.7 MB. Free memory was 111.2 MB in the beginning and 111.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 41.67 ms. Allocated memory is still 133.7 MB. Free memory was 110.0 MB in the beginning and 107.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 324.49 ms. Allocated memory is still 133.7 MB. Free memory was 107.8 MB in the beginning and 98.9 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 489.36 ms. Allocated memory is still 133.7 MB. Free memory was 98.9 MB in the beginning and 87.6 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...