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/abstractInterpretation/regression/open/int/loop-nondet.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:58:41,012 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:58:41,014 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:58:41,025 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:58:41,026 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:58:41,027 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:58:41,028 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:58:41,030 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:58:41,034 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:58:41,035 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:58:41,036 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:58:41,037 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:58:41,037 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:58:41,038 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:58:41,039 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:58:41,040 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:58:41,041 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:58:41,042 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:58:41,044 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:58:41,046 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:58:41,048 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:58:41,049 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:58:41,051 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:58:41,051 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:58:41,058 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:58:41,059 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:58:41,059 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:58:41,064 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:58:41,064 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:58:41,067 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:58:41,067 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:58:41,070 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:58:41,071 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:58:41,072 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:58:41,075 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:58:41,075 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:58:41,076 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:58:41,076 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:58:41,076 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:58:41,077 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:58:41,078 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:58:41,125 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:58:41,148 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:58:41,152 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:58:41,154 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:58:41,155 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:58:41,156 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/open/int/loop-nondet.bpl [2019-08-06 16:58:41,157 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/open/int/loop-nondet.bpl' [2019-08-06 16:58:41,191 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:58:41,193 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:58:41,193 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:58:41,193 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:58:41,194 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:58:41,218 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "loop-nondet.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:41" (1/1) ... [2019-08-06 16:58:41,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "loop-nondet.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:41" (1/1) ... [2019-08-06 16:58:41,227 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "loop-nondet.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:41" (1/1) ... [2019-08-06 16:58:41,228 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "loop-nondet.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:41" (1/1) ... [2019-08-06 16:58:41,232 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "loop-nondet.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:41" (1/1) ... [2019-08-06 16:58:41,239 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "loop-nondet.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:41" (1/1) ... [2019-08-06 16:58:41,240 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "loop-nondet.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:41" (1/1) ... [2019-08-06 16:58:41,241 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:58:41,243 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:58:41,243 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:58:41,243 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:58:41,244 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "loop-nondet.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:41" (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 [2019-08-06 16:58:41,318 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-06 16:58:41,319 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-06 16:58:41,319 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-06 16:58:41,571 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:58:41,571 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-06 16:58:41,572 INFO L202 PluginConnector]: Adding new model loop-nondet.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:58:41 BoogieIcfgContainer [2019-08-06 16:58:41,572 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:58:41,573 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:58:41,573 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:58:41,573 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:58:41,574 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "loop-nondet.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:58:41" (1/1) ... [2019-08-06 16:58:41,584 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:58:41,587 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:58:41,593 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-06 16:58:41,601 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:58:41,602 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-06 16:58:41,678 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:58:41,679 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:58:41,682 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 30#(and (not (<= main_x main_y)) (or (not (= main_y main_x)) (and (= main_y main_x) (not (= (+ main_y 1) main_x))))) [2019-08-06 16:58:41,683 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:58:41,690 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:58:41,693 INFO L168 Benchmark]: Toolchain (without parser) took 499.18 ms. Allocated memory is still 138.4 MB. Free memory was 106.8 MB in the beginning and 90.3 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:41,695 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 138.4 MB. Free memory was 108.1 MB in the beginning and 107.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-06 16:58:41,696 INFO L168 Benchmark]: Boogie Preprocessor took 48.87 ms. Allocated memory is still 138.4 MB. Free memory was 106.8 MB in the beginning and 104.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:41,697 INFO L168 Benchmark]: RCFGBuilder took 329.61 ms. Allocated memory is still 138.4 MB. Free memory was 104.7 MB in the beginning and 95.4 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:41,698 INFO L168 Benchmark]: Symbolic Interpretation took 117.55 ms. Allocated memory is still 138.4 MB. Free memory was 95.4 MB in the beginning and 90.3 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:41,702 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 17]: 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 0.20 ms. Allocated memory is still 138.4 MB. Free memory was 108.1 MB in the beginning and 107.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 48.87 ms. Allocated memory is still 138.4 MB. Free memory was 106.8 MB in the beginning and 104.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 329.61 ms. Allocated memory is still 138.4 MB. Free memory was 104.7 MB in the beginning and 95.4 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 117.55 ms. Allocated memory is still 138.4 MB. Free memory was 95.4 MB in the beginning and 90.3 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...