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/nested1.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:52:16,002 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:52:16,004 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:52:16,016 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:52:16,016 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:52:16,017 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:52:16,019 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:52:16,021 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:52:16,023 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:52:16,024 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:52:16,025 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:52:16,026 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:52:16,027 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:52:16,028 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:52:16,029 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:52:16,034 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:52:16,035 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:52:16,036 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:52:16,038 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:52:16,041 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:52:16,043 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:52:16,045 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:52:16,046 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:52:16,047 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:52:16,050 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:52:16,051 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:52:16,051 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:52:16,052 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:52:16,053 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:52:16,054 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:52:16,055 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:52:16,056 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:52:16,057 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:52:16,058 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:52:16,059 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:52:16,060 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:52:16,061 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:52:16,061 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:52:16,061 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:52:16,063 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:52:16,064 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:52:16,094 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:52:16,107 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:52:16,112 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:52:16,114 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:52:16,117 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:52:16,118 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/nested1.i_4.bpl [2019-08-06 16:52:16,118 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/nested1.i_4.bpl' [2019-08-06 16:52:16,160 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:52:16,161 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:52:16,162 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:52:16,162 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:52:16,162 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:52:16,187 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:16" (1/1) ... [2019-08-06 16:52:16,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:16" (1/1) ... [2019-08-06 16:52:16,196 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:16" (1/1) ... [2019-08-06 16:52:16,197 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:16" (1/1) ... [2019-08-06 16:52:16,200 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:16" (1/1) ... [2019-08-06 16:52:16,202 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:16" (1/1) ... [2019-08-06 16:52:16,203 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:16" (1/1) ... [2019-08-06 16:52:16,205 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:52:16,206 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:52:16,206 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:52:16,206 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:52:16,207 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:16" (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 16:52:16,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-06 16:52:16,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-06 16:52:16,563 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2019-08-06 16:52:16,566 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-06 16:52:16,567 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-06 16:52:16,568 INFO L202 PluginConnector]: Adding new model nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:52:16 BoogieIcfgContainer [2019-08-06 16:52:16,568 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:52:16,569 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:52:16,569 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:52:16,570 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:52:16,570 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:52:16" (1/1) ... [2019-08-06 16:52:16,582 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:52:16,588 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:52:16,603 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-06 16:52:16,612 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:52:16,614 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-06 16:52:16,752 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:52:16,752 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:52:16,755 INFO L179 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 68#(and (= |ULTIMATE.start___VERIFIER_assert_#in~cond| ULTIMATE.start___VERIFIER_assert_~cond) (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (or (and (not (< (mod ULTIMATE.start_main_~y~4 4294967296) 10)) (or (and (= ULTIMATE.start_main_~y~4 0) (< (mod (+ ULTIMATE.start_main_~x~4 4294967295) 4294967296) 268435455) (exists ((v_ULTIMATE.start_main_~y~4_13 Int)) (not (< (mod v_ULTIMATE.start_main_~y~4_13 4294967296) 10)))) (< (mod (+ ULTIMATE.start_main_~y~4 4294967295) 4294967296) 10))) (and (= ULTIMATE.start_main_~y~4 0) (= ULTIMATE.start_main_~x~4 0))) (= (ite (= (mod (ite (and (not (= 0 (mod ULTIMATE.start_main_~x~4 2))) (< (mod ULTIMATE.start_main_~x~4 4294967296) 0)) (+ (mod ULTIMATE.start_main_~x~4 2) (- 2)) (mod ULTIMATE.start_main_~x~4 2)) 4294967296) 0) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond|) (not (< (mod ULTIMATE.start_main_~x~4 4294967296) 268435455))) [2019-08-06 16:52:16,756 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:52:16,762 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:52:16,765 INFO L168 Benchmark]: Toolchain (without parser) took 602.49 ms. Allocated memory is still 138.9 MB. Free memory was 106.0 MB in the beginning and 88.0 MB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:52:16,766 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.25 ms. Allocated memory is still 138.9 MB. Free memory was 107.2 MB in the beginning and 107.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-08-06 16:52:16,767 INFO L168 Benchmark]: Boogie Preprocessor took 43.05 ms. Allocated memory is still 138.9 MB. Free memory was 105.8 MB in the beginning and 103.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-08-06 16:52:16,769 INFO L168 Benchmark]: RCFGBuilder took 362.78 ms. Allocated memory is still 138.9 MB. Free memory was 103.8 MB in the beginning and 94.2 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-08-06 16:52:16,770 INFO L168 Benchmark]: Symbolic Interpretation took 193.51 ms. Allocated memory is still 138.9 MB. Free memory was 94.2 MB in the beginning and 88.0 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:52:16,775 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 34]: 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 138.9 MB. Free memory was 107.2 MB in the beginning and 107.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.05 ms. Allocated memory is still 138.9 MB. Free memory was 105.8 MB in the beginning and 103.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 362.78 ms. Allocated memory is still 138.9 MB. Free memory was 103.8 MB in the beginning and 94.2 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 193.51 ms. Allocated memory is still 138.9 MB. Free memory was 94.2 MB in the beginning and 88.0 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...