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/BoogiePL/sifa/02-if-else.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b03553c [2019-08-05 18:06:00,073 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:06:00,076 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:06:00,088 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:06:00,088 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:06:00,089 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:06:00,090 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:06:00,092 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:06:00,094 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:06:00,095 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:06:00,096 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:06:00,097 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:06:00,097 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:06:00,098 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:06:00,099 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:06:00,100 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:06:00,101 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:06:00,102 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:06:00,104 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:06:00,106 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:06:00,108 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:06:00,109 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:06:00,110 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:06:00,111 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:06:00,113 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:06:00,114 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:06:00,114 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:06:00,117 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:06:00,118 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:06:00,119 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:06:00,119 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:06:00,122 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:06:00,123 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:06:00,125 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:06:00,126 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:06:00,126 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:06:00,127 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:06:00,127 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:06:00,127 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:06:00,131 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:06:00,132 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:06:00,177 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:06:00,195 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:06:00,200 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:06:00,201 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:06:00,203 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:06:00,204 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/BoogiePL/sifa/02-if-else.bpl [2019-08-05 18:06:00,204 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/BoogiePL/sifa/02-if-else.bpl' [2019-08-05 18:06:00,236 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:06:00,237 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:06:00,238 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:06:00,238 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:06:00,238 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:06:00,263 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "02-if-else.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:06:00" (1/1) ... [2019-08-05 18:06:00,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "02-if-else.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:06:00" (1/1) ... [2019-08-05 18:06:00,273 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "02-if-else.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:06:00" (1/1) ... [2019-08-05 18:06:00,273 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "02-if-else.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:06:00" (1/1) ... [2019-08-05 18:06:00,276 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "02-if-else.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:06:00" (1/1) ... [2019-08-05 18:06:00,277 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "02-if-else.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:06:00" (1/1) ... [2019-08-05 18:06:00,278 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "02-if-else.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:06:00" (1/1) ... [2019-08-05 18:06:00,279 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:06:00,280 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:06:00,280 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:06:00,281 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:06:00,282 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "02-if-else.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:06:00" (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 18:06:00,354 INFO L124 BoogieDeclarations]: Specification and implementation of procedure f given in one single declaration [2019-08-05 18:06:00,354 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-08-05 18:06:00,355 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-08-05 18:06:00,623 INFO L275 CfgBuilder]: Using library mode [2019-08-05 18:06:00,623 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 18:06:00,625 INFO L202 PluginConnector]: Adding new model 02-if-else.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:06:00 BoogieIcfgContainer [2019-08-05 18:06:00,625 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:06:00,626 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:06:00,626 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:06:00,626 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:06:00,627 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "02-if-else.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:06:00" (1/1) ... [2019-08-05 18:06:00,637 INFO L148 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-08-05 18:06:00,639 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:06:00,646 INFO L160 IcfgInterpreter]: Initial procedures are [f] [2019-08-05 18:06:00,654 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:06:00,656 INFO L185 IcfgInterpreter]: Interpreting procedure f with input of size 1 [2019-08-05 18:06:00,691 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:06:00,692 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:06:00,694 INFO L179 IcfgInterpreter]: Location fErr1ASSERT_VIOLATIONASSERT has predicate 7#(and (not (= f_i 0)) (or (= f_i 1) (= f_i 0))) [2019-08-05 18:06:00,695 INFO L179 IcfgInterpreter]: Location fErr0ASSERT_VIOLATIONASSERT has predicate 10#(and (not (= f_i 0)) (or (= f_i 1) (= f_i 0)) (not (= f_i 1))) [2019-08-05 18:06:00,696 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:06:00,704 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:06:00,707 INFO L168 Benchmark]: Toolchain (without parser) took 468.35 ms. Allocated memory is still 137.9 MB. Free memory was 106.2 MB in the beginning and 91.4 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 7.1 GB. [2019-08-05 18:06:00,708 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory is still 107.1 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 18:06:00,709 INFO L168 Benchmark]: Boogie Preprocessor took 42.00 ms. Allocated memory is still 137.9 MB. Free memory was 106.2 MB in the beginning and 104.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 18:06:00,710 INFO L168 Benchmark]: RCFGBuilder took 345.02 ms. Allocated memory is still 137.9 MB. Free memory was 104.0 MB in the beginning and 95.2 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. [2019-08-05 18:06:00,711 INFO L168 Benchmark]: Symbolic Interpretation took 78.36 ms. Allocated memory is still 137.9 MB. Free memory was 95.2 MB in the beginning and 91.4 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-08-05 18:06:00,716 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 10]: 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: - UnprovableResult [Line: 9]: 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 0.21 ms. Allocated memory is still 137.9 MB. Free memory is still 107.1 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 42.00 ms. Allocated memory is still 137.9 MB. Free memory was 106.2 MB in the beginning and 104.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 345.02 ms. Allocated memory is still 137.9 MB. Free memory was 104.0 MB in the beginning and 95.2 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 78.36 ms. Allocated memory is still 137.9 MB. Free memory was 95.2 MB in the beginning and 91.4 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...