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/Pdr/oneLoopUnsafe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:59:49,171 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:59:49,174 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:59:49,185 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:59:49,186 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:59:49,187 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:59:49,188 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:59:49,190 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:59:49,192 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:59:49,193 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:59:49,194 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:59:49,195 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:59:49,196 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:59:49,196 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:59:49,197 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:59:49,199 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:59:49,199 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:59:49,200 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:59:49,202 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:59:49,204 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:59:49,206 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:59:49,208 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:59:49,209 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:59:49,210 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:59:49,212 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:59:49,213 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:59:49,213 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:59:49,214 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:59:49,214 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:59:49,215 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:59:49,216 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:59:49,217 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:59:49,218 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:59:49,218 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:59:49,220 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:59:49,220 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:59:49,221 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:59:49,221 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:59:49,221 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:59:49,222 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:59:49,223 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:59:49,250 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:59:49,262 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:59:49,266 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:59:49,267 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:59:49,268 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:59:49,269 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/Pdr/oneLoopUnsafe.bpl [2019-08-06 16:59:49,269 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/Pdr/oneLoopUnsafe.bpl' [2019-08-06 16:59:49,302 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:59:49,304 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:59:49,305 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:59:49,305 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:59:49,305 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:59:49,330 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "oneLoopUnsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:49" (1/1) ... [2019-08-06 16:59:49,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "oneLoopUnsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:49" (1/1) ... [2019-08-06 16:59:49,340 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "oneLoopUnsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:49" (1/1) ... [2019-08-06 16:59:49,340 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "oneLoopUnsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:49" (1/1) ... [2019-08-06 16:59:49,346 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "oneLoopUnsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:49" (1/1) ... [2019-08-06 16:59:49,352 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "oneLoopUnsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:49" (1/1) ... [2019-08-06 16:59:49,353 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "oneLoopUnsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:49" (1/1) ... [2019-08-06 16:59:49,354 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:59:49,355 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:59:49,355 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:59:49,355 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:59:49,356 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "oneLoopUnsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:49" (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 16:59:49,423 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-06 16:59:49,423 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-06 16:59:49,424 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-06 16:59:49,566 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:59:49,566 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:59:49,568 INFO L202 PluginConnector]: Adding new model oneLoopUnsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:59:49 BoogieIcfgContainer [2019-08-06 16:59:49,568 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:59:49,568 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:59:49,568 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:59:49,569 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:59:49,569 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "oneLoopUnsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:59:49" (1/1) ... [2019-08-06 16:59:49,582 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:59:49,585 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:59:49,592 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-06 16:59:49,600 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:59:49,602 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-06 16:59:49,688 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:59:49,689 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:59:49,692 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 15#(and (not (= main_x 3)) (not (< main_x 1)) (or (= 1 (+ main_x (- 1))) (= 0 (+ main_x (- 1)))) (< main_x 2)) [2019-08-06 16:59:49,693 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:59:49,701 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:59:49,704 INFO L168 Benchmark]: Toolchain (without parser) took 398.87 ms. Allocated memory is still 131.1 MB. Free memory was 107.6 MB in the beginning and 91.7 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:49,705 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 131.1 MB. Free memory was 108.7 MB in the beginning and 108.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-06 16:59:49,707 INFO L168 Benchmark]: Boogie Preprocessor took 49.83 ms. Allocated memory is still 131.1 MB. Free memory was 107.4 MB in the beginning and 105.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:49,708 INFO L168 Benchmark]: RCFGBuilder took 212.79 ms. Allocated memory is still 131.1 MB. Free memory was 105.4 MB in the beginning and 96.5 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:49,709 INFO L168 Benchmark]: Symbolic Interpretation took 132.82 ms. Allocated memory is still 131.1 MB. Free memory was 96.5 MB in the beginning and 91.7 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:49,713 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 13]: 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 0.23 ms. Allocated memory is still 131.1 MB. Free memory was 108.7 MB in the beginning and 108.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 49.83 ms. Allocated memory is still 131.1 MB. Free memory was 107.4 MB in the beginning and 105.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 212.79 ms. Allocated memory is still 131.1 MB. Free memory was 105.4 MB in the beginning and 96.5 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 132.82 ms. Allocated memory is still 131.1 MB. Free memory was 96.5 MB in the beginning and 91.7 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...