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/unclassified/EasyIf.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:59:34,172 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:59:34,174 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:59:34,185 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:59:34,186 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:59:34,187 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:59:34,188 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:59:34,190 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:59:34,192 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:59:34,193 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:59:34,194 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:59:34,195 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:59:34,195 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:59:34,196 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:59:34,197 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:59:34,198 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:59:34,199 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:59:34,200 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:59:34,202 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:59:34,204 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:59:34,206 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:59:34,207 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:59:34,208 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:59:34,209 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:59:34,212 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:59:34,212 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:59:34,212 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:59:34,213 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:59:34,214 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:59:34,215 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:59:34,215 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:59:34,216 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:59:34,217 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:59:34,218 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:59:34,219 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:59:34,219 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:59:34,220 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:59:34,220 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:59:34,220 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:59:34,221 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:59:34,222 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:59:34,252 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:59:34,263 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:59:34,268 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:59:34,270 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:59:34,271 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:59:34,272 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/unclassified/EasyIf.bpl [2019-08-06 16:59:34,272 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/unclassified/EasyIf.bpl' [2019-08-06 16:59:34,304 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:59:34,307 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:59:34,308 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:59:34,308 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:59:34,308 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:59:34,335 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "EasyIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:34" (1/1) ... [2019-08-06 16:59:34,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "EasyIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:34" (1/1) ... [2019-08-06 16:59:34,345 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "EasyIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:34" (1/1) ... [2019-08-06 16:59:34,345 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "EasyIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:34" (1/1) ... [2019-08-06 16:59:34,347 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "EasyIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:34" (1/1) ... [2019-08-06 16:59:34,350 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "EasyIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:34" (1/1) ... [2019-08-06 16:59:34,351 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "EasyIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:34" (1/1) ... [2019-08-06 16:59:34,352 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:59:34,354 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:59:34,354 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:59:34,354 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:59:34,358 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "EasyIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:34" (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 16:59:34,432 INFO L124 BoogieDeclarations]: Specification and implementation of procedure EasyIf given in one single declaration [2019-08-06 16:59:34,433 INFO L130 BoogieDeclarations]: Found specification of procedure EasyIf [2019-08-06 16:59:34,433 INFO L138 BoogieDeclarations]: Found implementation of procedure EasyIf [2019-08-06 16:59:34,636 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:59:34,636 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:59:34,638 INFO L202 PluginConnector]: Adding new model EasyIf.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:59:34 BoogieIcfgContainer [2019-08-06 16:59:34,638 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:59:34,639 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:59:34,639 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:59:34,639 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:59:34,640 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "EasyIf.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:59:34" (1/1) ... [2019-08-06 16:59:34,653 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:59:34,657 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:59:34,667 INFO L160 IcfgInterpreter]: Initial procedures are [EasyIf] [2019-08-06 16:59:34,678 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:59:34,679 INFO L185 IcfgInterpreter]: Interpreting procedure EasyIf with input of size 1 [2019-08-06 16:59:34,739 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:59:34,739 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:59:34,742 INFO L179 IcfgInterpreter]: Location EasyIfErr0ASSERT_VIOLATIONASSERT has predicate 7#(and (not (<= EasyIf_x 0)) (not (< 0 EasyIf_x))) [2019-08-06 16:59:34,744 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:59:34,761 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:59:34,765 INFO L168 Benchmark]: Toolchain (without parser) took 457.43 ms. Allocated memory is still 139.5 MB. Free memory was 108.0 MB in the beginning and 93.5 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:34,767 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.31 ms. Allocated memory is still 139.5 MB. Free memory was 109.1 MB in the beginning and 108.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-08-06 16:59:34,769 INFO L168 Benchmark]: Boogie Preprocessor took 45.11 ms. Allocated memory is still 139.5 MB. Free memory was 107.8 MB in the beginning and 105.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:34,771 INFO L168 Benchmark]: RCFGBuilder took 284.80 ms. Allocated memory is still 139.5 MB. Free memory was 105.7 MB in the beginning and 97.4 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:34,773 INFO L168 Benchmark]: Symbolic Interpretation took 122.73 ms. Allocated memory is still 139.5 MB. Free memory was 97.4 MB in the beginning and 93.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:34,779 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 7]: 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 0.31 ms. Allocated memory is still 139.5 MB. Free memory was 109.1 MB in the beginning and 108.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 45.11 ms. Allocated memory is still 139.5 MB. Free memory was 107.8 MB in the beginning and 105.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 284.80 ms. Allocated memory is still 139.5 MB. Free memory was 105.7 MB in the beginning and 97.4 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 122.73 ms. Allocated memory is still 139.5 MB. Free memory was 97.4 MB in the beginning and 93.5 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...