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/toy/LoopFree-incorrect.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:14:43,136 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:14:43,138 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:14:43,150 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:14:43,150 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:14:43,151 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:14:43,153 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:14:43,154 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:14:43,156 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:14:43,157 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:14:43,158 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:14:43,159 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:14:43,159 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:14:43,160 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:14:43,161 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:14:43,162 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:14:43,163 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:14:43,164 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:14:43,166 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:14:43,168 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:14:43,169 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:14:43,175 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:14:43,176 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:14:43,177 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:14:43,179 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:14:43,179 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:14:43,179 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:14:43,180 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:14:43,181 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:14:43,182 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:14:43,182 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:14:43,183 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:14:43,183 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:14:43,184 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:14:43,185 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:14:43,185 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:14:43,186 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:14:43,186 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:14:43,186 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:14:43,187 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:14:43,188 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:14:43,220 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:14:43,234 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:14:43,237 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:14:43,240 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:14:43,240 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:14:43,241 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/LoopFree-incorrect.bpl [2019-08-09 14:14:43,241 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/LoopFree-incorrect.bpl' [2019-08-09 14:14:43,275 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:14:43,277 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:14:43,277 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:14:43,277 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:14:43,278 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:14:43,302 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "LoopFree-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:43" (1/1) ... [2019-08-09 14:14:43,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "LoopFree-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:43" (1/1) ... [2019-08-09 14:14:43,311 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "LoopFree-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:43" (1/1) ... [2019-08-09 14:14:43,311 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "LoopFree-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:43" (1/1) ... [2019-08-09 14:14:43,316 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "LoopFree-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:43" (1/1) ... [2019-08-09 14:14:43,318 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "LoopFree-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:43" (1/1) ... [2019-08-09 14:14:43,319 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "LoopFree-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:43" (1/1) ... [2019-08-09 14:14:43,320 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:14:43,321 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:14:43,322 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:14:43,322 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:14:43,323 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "LoopFree-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:43" (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 [2019-08-09 14:14:43,391 INFO L124 BoogieDeclarations]: Specification and implementation of procedure loopFreeEx given in one single declaration [2019-08-09 14:14:43,391 INFO L130 BoogieDeclarations]: Found specification of procedure loopFreeEx [2019-08-09 14:14:43,391 INFO L138 BoogieDeclarations]: Found implementation of procedure loopFreeEx [2019-08-09 14:14:43,560 INFO L275 CfgBuilder]: Using library mode [2019-08-09 14:14:43,560 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-09 14:14:43,562 INFO L202 PluginConnector]: Adding new model LoopFree-incorrect.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:14:43 BoogieIcfgContainer [2019-08-09 14:14:43,562 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:14:43,563 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:14:43,563 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:14:43,563 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:14:43,564 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "LoopFree-incorrect.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:14:43" (1/1) ... [2019-08-09 14:14:43,681 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:14:43,691 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:14:43,694 INFO L168 Benchmark]: Toolchain (without parser) took 416.33 ms. Allocated memory is still 138.9 MB. Free memory was 107.6 MB in the beginning and 89.7 MB in the end (delta: 17.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 7.1 GB. [2019-08-09 14:14:43,697 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory was 108.6 MB in the beginning and 108.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-09 14:14:43,698 INFO L168 Benchmark]: Boogie Preprocessor took 43.75 ms. Allocated memory is still 138.9 MB. Free memory was 107.4 MB in the beginning and 105.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-08-09 14:14:43,700 INFO L168 Benchmark]: RCFGBuilder took 240.93 ms. Allocated memory is still 138.9 MB. Free memory was 105.2 MB in the beginning and 94.9 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2019-08-09 14:14:43,702 INFO L168 Benchmark]: Symbolic Interpretation took 128.51 ms. Allocated memory is still 138.9 MB. Free memory was 94.9 MB in the beginning and 89.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. [2019-08-09 14:14:43,708 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 24]: 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. Predicate is 33#(and (not (= 0 loopFreeEx_x)) (= 4 loopFreeEx_y) (= 1 loopFreeEx_x)). Possible FailurePath: - UnprovableResult [Line: 32]: 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. Predicate is 30#(and (= (- 1) loopFreeEx_x) (or (= loopFreeEx_y 4) (= loopFreeEx_y 7))). Possible FailurePath: - UnprovableResult [Line: 34]: 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. Predicate is 27#(and (= (+ loopFreeEx_y 1) loopFreeEx_x) (= 7 loopFreeEx_y) (= (- 1) loopFreeEx_y)). 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 138.9 MB. Free memory was 108.6 MB in the beginning and 108.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.75 ms. Allocated memory is still 138.9 MB. Free memory was 107.4 MB in the beginning and 105.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 240.93 ms. Allocated memory is still 138.9 MB. Free memory was 105.2 MB in the beginning and 94.9 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 128.51 ms. Allocated memory is still 138.9 MB. Free memory was 94.9 MB in the beginning and 89.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...