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/underapprox1.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b03553c [2019-08-05 18:11:17,196 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:11:17,199 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:11:17,216 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:11:17,216 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:11:17,217 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:11:17,220 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:11:17,223 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:11:17,225 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:11:17,226 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:11:17,229 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:11:17,230 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:11:17,231 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:11:17,234 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:11:17,242 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:11:17,243 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:11:17,244 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:11:17,245 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:11:17,250 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:11:17,254 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:11:17,256 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:11:17,260 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:11:17,261 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:11:17,262 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:11:17,267 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:11:17,267 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:11:17,267 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:11:17,269 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:11:17,272 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:11:17,273 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:11:17,273 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:11:17,274 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:11:17,275 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:11:17,275 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:11:17,278 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:11:17,278 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:11:17,279 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:11:17,279 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:11:17,280 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:11:17,281 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:11:17,281 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:11:17,325 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:11:17,341 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:11:17,345 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:11:17,347 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:11:17,348 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:11:17,349 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/underapprox1.i_3.bpl [2019-08-05 18:11:17,349 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/underapprox1.i_3.bpl' [2019-08-05 18:11:17,389 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:11:17,391 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:11:17,391 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:11:17,391 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:11:17,391 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:11:17,416 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "underapprox1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:11:17" (1/1) ... [2019-08-05 18:11:17,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "underapprox1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:11:17" (1/1) ... [2019-08-05 18:11:17,425 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "underapprox1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:11:17" (1/1) ... [2019-08-05 18:11:17,426 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "underapprox1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:11:17" (1/1) ... [2019-08-05 18:11:17,429 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "underapprox1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:11:17" (1/1) ... [2019-08-05 18:11:17,431 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "underapprox1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:11:17" (1/1) ... [2019-08-05 18:11:17,432 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "underapprox1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:11:17" (1/1) ... [2019-08-05 18:11:17,433 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:11:17,434 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:11:17,434 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:11:17,434 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:11:17,435 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "underapprox1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:11:17" (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 [2019-08-05 18:11:17,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 18:11:17,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 18:11:17,801 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 18:11:17,802 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-05 18:11:17,803 INFO L202 PluginConnector]: Adding new model underapprox1.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:11:17 BoogieIcfgContainer [2019-08-05 18:11:17,804 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:11:17,804 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:11:17,804 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:11:17,804 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:11:17,805 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "underapprox1.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:11:17" (1/1) ... [2019-08-05 18:11:17,819 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 18:11:17,827 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:11:17,840 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-05 18:11:17,848 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:11:17,849 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-05 18:11:17,966 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:11:17,966 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:11:17,970 INFO L179 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 23#(and (= |ULTIMATE.start___VERIFIER_assert_#in~cond| (ite (not (= (mod ULTIMATE.start_main_~y~4 4294967296) 64)) 1 0)) (= |ULTIMATE.start___VERIFIER_assert_#in~cond| ULTIMATE.start___VERIFIER_assert_~cond) (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (exists ((v_ULTIMATE.start_main_~y~4_9 Int)) (= ULTIMATE.start_main_~y~4 (* 2 v_ULTIMATE.start_main_~y~4_9))) (not (< (mod ULTIMATE.start_main_~x~4 4294967296) 6)) (< (mod (+ ULTIMATE.start_main_~x~4 4294967295) 4294967296) 6)) [2019-08-05 18:11:17,971 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:11:17,979 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:11:17,982 INFO L168 Benchmark]: Toolchain (without parser) took 590.33 ms. Allocated memory is still 135.8 MB. Free memory was 107.6 MB in the beginning and 90.7 MB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 7.1 GB. [2019-08-05 18:11:17,983 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.25 ms. Allocated memory is still 135.8 MB. Free memory was 108.9 MB in the beginning and 108.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-08-05 18:11:17,985 INFO L168 Benchmark]: Boogie Preprocessor took 42.38 ms. Allocated memory is still 135.8 MB. Free memory was 107.6 MB in the beginning and 105.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-05 18:11:17,986 INFO L168 Benchmark]: RCFGBuilder took 369.58 ms. Allocated memory is still 135.8 MB. Free memory was 105.4 MB in the beginning and 96.1 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-08-05 18:11:17,987 INFO L168 Benchmark]: Symbolic Interpretation took 175.06 ms. Allocated memory is still 135.8 MB. Free memory was 96.1 MB in the beginning and 90.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. [2019-08-05 18:11:17,992 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 36]: 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 0.25 ms. Allocated memory is still 135.8 MB. Free memory was 108.9 MB in the beginning and 108.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 42.38 ms. Allocated memory is still 135.8 MB. Free memory was 107.6 MB in the beginning and 105.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 369.58 ms. Allocated memory is still 135.8 MB. Free memory was 105.4 MB in the beginning and 96.1 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 175.06 ms. Allocated memory is still 135.8 MB. Free memory was 96.1 MB in the beginning and 90.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...