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/loopAcceleration/unsafeLoop.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:59:51,072 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:59:51,074 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:59:51,086 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:59:51,086 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:59:51,087 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:59:51,089 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:59:51,090 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:59:51,092 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:59:51,093 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:59:51,094 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:59:51,095 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:59:51,096 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:59:51,097 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:59:51,098 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:59:51,099 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:59:51,100 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:59:51,101 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:59:51,103 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:59:51,105 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:59:51,107 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:59:51,108 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:59:51,110 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:59:51,111 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:59:51,113 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:59:51,114 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:59:51,114 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:59:51,115 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:59:51,115 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:59:51,116 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:59:51,117 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:59:51,118 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:59:51,119 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:59:51,119 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:59:51,121 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:59:51,121 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:59:51,122 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:59:51,122 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:59:51,122 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:59:51,123 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:59:51,124 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:59:51,150 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:59:51,163 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:59:51,166 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:59:51,167 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:59:51,168 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:59:51,168 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/loopAcceleration/unsafeLoop.bpl [2019-08-06 16:59:51,169 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/loopAcceleration/unsafeLoop.bpl' [2019-08-06 16:59:51,192 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:59:51,194 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:59:51,195 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:59:51,195 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:59:51,195 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:59:51,219 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unsafeLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:51" (1/1) ... [2019-08-06 16:59:51,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unsafeLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:51" (1/1) ... [2019-08-06 16:59:51,228 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unsafeLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:51" (1/1) ... [2019-08-06 16:59:51,228 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unsafeLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:51" (1/1) ... [2019-08-06 16:59:51,231 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unsafeLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:51" (1/1) ... [2019-08-06 16:59:51,235 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unsafeLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:51" (1/1) ... [2019-08-06 16:59:51,236 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unsafeLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:51" (1/1) ... [2019-08-06 16:59:51,237 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:59:51,239 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:59:51,239 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:59:51,239 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:59:51,240 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unsafeLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:51" (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 16:59:51,309 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-06 16:59:51,309 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-06 16:59:51,309 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-06 16:59:51,545 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:59:51,545 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:59:51,546 INFO L202 PluginConnector]: Adding new model unsafeLoop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:59:51 BoogieIcfgContainer [2019-08-06 16:59:51,547 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:59:51,547 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:59:51,547 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:59:51,548 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:59:51,549 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "unsafeLoop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:59:51" (1/1) ... [2019-08-06 16:59:51,560 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:59:51,562 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:59:51,569 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-06 16:59:51,577 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:59:51,579 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-06 16:59:51,662 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:59:51,663 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:59:51,665 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 23#(and (< main_x 1000001) (not (= main_x 1000001)) (not (< main_x 1000000))) [2019-08-06 16:59:51,666 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:59:51,673 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:59:51,675 INFO L168 Benchmark]: Toolchain (without parser) took 480.41 ms. Allocated memory is still 139.5 MB. Free memory was 108.1 MB in the beginning and 91.9 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:51,677 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 109.1 MB in the beginning and 108.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-06 16:59:51,679 INFO L168 Benchmark]: Boogie Preprocessor took 43.41 ms. Allocated memory is still 139.5 MB. Free memory was 107.9 MB in the beginning and 105.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:51,680 INFO L168 Benchmark]: RCFGBuilder took 308.33 ms. Allocated memory is still 139.5 MB. Free memory was 105.7 MB in the beginning and 96.8 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:51,683 INFO L168 Benchmark]: Symbolic Interpretation took 125.44 ms. Allocated memory is still 139.5 MB. Free memory was 96.8 MB in the beginning and 91.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:51,689 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 12]: 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 139.5 MB. Free memory was 109.1 MB in the beginning and 108.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.41 ms. Allocated memory is still 139.5 MB. Free memory was 107.9 MB in the beginning and 105.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 308.33 ms. Allocated memory is still 139.5 MB. Free memory was 105.7 MB in the beginning and 96.8 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 125.44 ms. Allocated memory is still 139.5 MB. Free memory was 96.8 MB in the beginning and 91.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...