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/20170304-DifficultPathPrograms/num_conversion_1.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-e6f8464 [2019-08-06 14:20:39,232 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 14:20:39,234 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 14:20:39,246 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 14:20:39,247 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 14:20:39,248 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 14:20:39,249 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 14:20:39,251 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 14:20:39,253 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 14:20:39,254 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 14:20:39,255 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 14:20:39,257 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 14:20:39,257 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 14:20:39,258 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 14:20:39,259 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 14:20:39,260 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 14:20:39,261 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 14:20:39,262 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 14:20:39,264 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 14:20:39,266 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 14:20:39,268 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 14:20:39,269 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 14:20:39,270 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 14:20:39,271 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 14:20:39,273 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 14:20:39,273 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 14:20:39,274 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 14:20:39,275 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 14:20:39,275 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 14:20:39,276 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 14:20:39,276 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 14:20:39,277 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 14:20:39,278 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 14:20:39,279 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 14:20:39,280 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 14:20:39,280 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 14:20:39,281 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 14:20:39,281 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 14:20:39,281 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 14:20:39,282 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 14:20:39,283 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 14:20:39,337 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 14:20:39,352 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 14:20:39,356 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 14:20:39,358 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 14:20:39,360 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 14:20:39,361 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/num_conversion_1.i_3.bpl [2019-08-06 14:20:39,361 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/num_conversion_1.i_3.bpl' [2019-08-06 14:20:39,413 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 14:20:39,415 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 14:20:39,416 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 14:20:39,416 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 14:20:39,416 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 14:20:39,439 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "num_conversion_1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:20:39" (1/1) ... [2019-08-06 14:20:39,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "num_conversion_1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:20:39" (1/1) ... [2019-08-06 14:20:39,449 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "num_conversion_1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:20:39" (1/1) ... [2019-08-06 14:20:39,449 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "num_conversion_1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:20:39" (1/1) ... [2019-08-06 14:20:39,454 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "num_conversion_1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:20:39" (1/1) ... [2019-08-06 14:20:39,456 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "num_conversion_1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:20:39" (1/1) ... [2019-08-06 14:20:39,456 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "num_conversion_1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:20:39" (1/1) ... [2019-08-06 14:20:39,458 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 14:20:39,459 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 14:20:39,459 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 14:20:39,459 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 14:20:39,460 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "num_conversion_1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:20:39" (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 14:20:39,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-06 14:20:39,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-06 14:20:39,672 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-06 14:20:39,672 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-06 14:20:39,673 INFO L202 PluginConnector]: Adding new model num_conversion_1.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 02:20:39 BoogieIcfgContainer [2019-08-06 14:20:39,674 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 14:20:39,674 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 14:20:39,674 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 14:20:39,675 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 14:20:39,676 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "num_conversion_1.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 02:20:39" (1/1) ... [2019-08-06 14:20:39,687 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 14:20:39,691 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 14:20:39,698 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-06 14:20:39,706 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 14:20:39,709 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-06 14:20:39,869 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 14:20:39,869 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 14:20:39,873 INFO L179 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 23#(and (= (ite (= (mod ULTIMATE.start_main_~y~4 256) (mod ULTIMATE.start_main_~x~4 256)) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond|) (exists ((v_ULTIMATE.start_main_~y~4_11 Int)) (= ULTIMATE.start_main_~y~4 (+ (mod v_ULTIMATE.start_main_~y~4_11 256) (mod ULTIMATE.start_main_~i~5 256)))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond| ULTIMATE.start___VERIFIER_assert_~cond) (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (not (= (mod ULTIMATE.start_main_~bit~5 256) 0)) (not (< (mod ULTIMATE.start_main_~c~4 256) 8)) (exists ((v_ULTIMATE.start_main_~c~4_11 Int)) (and (< (mod v_ULTIMATE.start_main_~c~4_11 256) 8) (= (+ (mod v_ULTIMATE.start_main_~c~4_11 256) 1) ULTIMATE.start_main_~c~4)))) [2019-08-06 14:20:39,875 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 14:20:39,884 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 14:20:39,887 INFO L168 Benchmark]: Toolchain (without parser) took 471.02 ms. Allocated memory is still 138.9 MB. Free memory was 107.2 MB in the beginning and 90.1 MB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 7.1 GB. [2019-08-06 14:20:39,889 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 138.9 MB. Free memory was 108.5 MB in the beginning and 108.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-06 14:20:39,890 INFO L168 Benchmark]: Boogie Preprocessor took 42.66 ms. Allocated memory is still 138.9 MB. Free memory was 107.0 MB in the beginning and 105.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-06 14:20:39,893 INFO L168 Benchmark]: RCFGBuilder took 215.05 ms. Allocated memory is still 138.9 MB. Free memory was 105.0 MB in the beginning and 95.3 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-08-06 14:20:39,894 INFO L168 Benchmark]: Symbolic Interpretation took 209.90 ms. Allocated memory is still 138.9 MB. Free memory was 95.3 MB in the beginning and 90.1 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. [2019-08-06 14:20:39,900 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 45]: 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 0.24 ms. Allocated memory is still 138.9 MB. Free memory was 108.5 MB in the beginning and 108.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 42.66 ms. Allocated memory is still 138.9 MB. Free memory was 107.0 MB in the beginning and 105.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 215.05 ms. Allocated memory is still 138.9 MB. Free memory was 105.0 MB in the beginning and 95.3 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 209.90 ms. Allocated memory is still 138.9 MB. Free memory was 95.3 MB in the beginning and 90.1 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...