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_2.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-e6f8464 [2019-08-06 14:19:52,061 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 14:19:52,067 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 14:19:52,085 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 14:19:52,086 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 14:19:52,087 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 14:19:52,089 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 14:19:52,093 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 14:19:52,096 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 14:19:52,097 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 14:19:52,098 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 14:19:52,099 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 14:19:52,100 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 14:19:52,101 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 14:19:52,102 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 14:19:52,103 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 14:19:52,104 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 14:19:52,105 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 14:19:52,106 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 14:19:52,109 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 14:19:52,110 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 14:19:52,112 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 14:19:52,113 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 14:19:52,114 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 14:19:52,119 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 14:19:52,119 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 14:19:52,119 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 14:19:52,124 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 14:19:52,124 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 14:19:52,125 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 14:19:52,125 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 14:19:52,128 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 14:19:52,129 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 14:19:52,130 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 14:19:52,133 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 14:19:52,133 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 14:19:52,134 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 14:19:52,134 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 14:19:52,134 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 14:19:52,135 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 14:19:52,136 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 14:19:52,175 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 14:19:52,192 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 14:19:52,196 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 14:19:52,198 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 14:19:52,198 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 14:19:52,199 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/num_conversion_2.i_3.bpl [2019-08-06 14:19:52,200 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/num_conversion_2.i_3.bpl' [2019-08-06 14:19:52,234 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 14:19:52,235 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 14:19:52,236 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 14:19:52,236 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 14:19:52,236 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 14:19:52,259 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "num_conversion_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:19:52" (1/1) ... [2019-08-06 14:19:52,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "num_conversion_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:19:52" (1/1) ... [2019-08-06 14:19:52,269 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "num_conversion_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:19:52" (1/1) ... [2019-08-06 14:19:52,269 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "num_conversion_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:19:52" (1/1) ... [2019-08-06 14:19:52,273 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "num_conversion_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:19:52" (1/1) ... [2019-08-06 14:19:52,275 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "num_conversion_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:19:52" (1/1) ... [2019-08-06 14:19:52,276 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "num_conversion_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:19:52" (1/1) ... [2019-08-06 14:19:52,278 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 14:19:52,279 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 14:19:52,279 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 14:19:52,279 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 14:19:52,281 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "num_conversion_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:19:52" (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 14:19:52,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-06 14:19:52,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-06 14:19:52,572 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-06 14:19:52,572 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-06 14:19:52,573 INFO L202 PluginConnector]: Adding new model num_conversion_2.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 02:19:52 BoogieIcfgContainer [2019-08-06 14:19:52,574 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 14:19:52,574 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 14:19:52,574 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 14:19:52,574 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 14:19:52,575 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "num_conversion_2.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 02:19:52" (1/1) ... [2019-08-06 14:19:52,585 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 14:19:52,588 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 14:19:52,595 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-06 14:19:52,603 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 14:19:52,604 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-06 14:19:52,702 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 14:19:52,702 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 14:19:52,705 INFO L179 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 23#(and (exists ((v_ULTIMATE.start_main_~y~5_10 Int)) (= ULTIMATE.start_main_~y~5 (+ (mod ULTIMATE.start_main_~i~6 256) (mod v_ULTIMATE.start_main_~y~5_10 256)))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond| ULTIMATE.start___VERIFIER_assert_~cond) (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (not (< (mod ULTIMATE.start_main_~c~5 256) 8)) (exists ((v_ULTIMATE.start_main_~c~5_10 Int)) (and (< (mod v_ULTIMATE.start_main_~c~5_10 256) 8) (= ULTIMATE.start_main_~c~5 (+ (mod v_ULTIMATE.start_main_~c~5_10 256) 1)))) (= (ite (= (mod ULTIMATE.start_main_~x~5 256) (mod ULTIMATE.start_main_~y~5 256)) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond|) (not (= 0 (mod ULTIMATE.start_main_~bit~6 256)))) [2019-08-06 14:19:52,706 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 14:19:52,713 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 14:19:52,716 INFO L168 Benchmark]: Toolchain (without parser) took 479.45 ms. Allocated memory is still 133.2 MB. Free memory was 108.3 MB in the beginning and 91.2 MB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 7.1 GB. [2019-08-06 14:19:52,718 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 133.2 MB. Free memory was 109.5 MB in the beginning and 109.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-06 14:19:52,719 INFO L168 Benchmark]: Boogie Preprocessor took 42.23 ms. Allocated memory is still 133.2 MB. Free memory was 108.1 MB in the beginning and 106.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-06 14:19:52,720 INFO L168 Benchmark]: RCFGBuilder took 295.01 ms. Allocated memory is still 133.2 MB. Free memory was 106.0 MB in the beginning and 96.3 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-08-06 14:19:52,721 INFO L168 Benchmark]: Symbolic Interpretation took 139.53 ms. Allocated memory is still 133.2 MB. Free memory was 96.3 MB in the beginning and 91.2 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2019-08-06 14:19:52,725 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 46]: 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 133.2 MB. Free memory was 109.5 MB in the beginning and 109.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 42.23 ms. Allocated memory is still 133.2 MB. Free memory was 108.1 MB in the beginning and 106.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 295.01 ms. Allocated memory is still 133.2 MB. Free memory was 106.0 MB in the beginning and 96.3 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 139.53 ms. Allocated memory is still 133.2 MB. Free memory was 96.3 MB in the beginning and 91.2 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...