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/string_concat-noarr.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:52:19,784 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:52:19,786 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:52:19,801 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:52:19,802 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:52:19,803 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:52:19,804 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:52:19,806 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:52:19,808 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:52:19,809 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:52:19,810 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:52:19,811 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:52:19,811 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:52:19,812 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:52:19,813 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:52:19,815 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:52:19,815 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:52:19,816 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:52:19,818 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:52:19,821 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:52:19,822 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:52:19,823 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:52:19,825 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:52:19,826 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:52:19,828 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:52:19,829 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:52:19,829 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:52:19,830 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:52:19,834 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:52:19,836 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:52:19,836 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:52:19,837 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:52:19,838 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:52:19,842 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:52:19,843 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:52:19,843 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:52:19,845 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:52:19,846 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:52:19,846 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:52:19,847 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:52:19,848 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:52:19,883 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:52:19,895 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:52:19,899 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:52:19,901 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:52:19,901 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:52:19,902 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/string_concat-noarr.i_3.bpl [2019-08-06 16:52:19,903 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/string_concat-noarr.i_3.bpl' [2019-08-06 16:52:19,936 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:52:19,938 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:52:19,938 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:52:19,939 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:52:19,939 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:52:19,963 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "string_concat-noarr.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:19" (1/1) ... [2019-08-06 16:52:19,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "string_concat-noarr.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:19" (1/1) ... [2019-08-06 16:52:19,972 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "string_concat-noarr.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:19" (1/1) ... [2019-08-06 16:52:19,973 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "string_concat-noarr.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:19" (1/1) ... [2019-08-06 16:52:19,976 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "string_concat-noarr.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:19" (1/1) ... [2019-08-06 16:52:19,978 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "string_concat-noarr.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:19" (1/1) ... [2019-08-06 16:52:19,979 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "string_concat-noarr.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:19" (1/1) ... [2019-08-06 16:52:19,981 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:52:19,982 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:52:19,982 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:52:19,982 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:52:19,983 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "string_concat-noarr.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:19" (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 16:52:20,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-06 16:52:20,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-06 16:52:20,294 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-06 16:52:20,294 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-06 16:52:20,295 INFO L202 PluginConnector]: Adding new model string_concat-noarr.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:52:20 BoogieIcfgContainer [2019-08-06 16:52:20,295 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:52:20,296 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:52:20,296 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:52:20,296 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:52:20,298 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "string_concat-noarr.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:52:20" (1/1) ... [2019-08-06 16:52:20,308 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:52:20,311 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:52:20,318 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-06 16:52:20,325 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:52:20,327 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-06 16:52:20,424 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:52:20,424 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:52:20,427 INFO L179 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 27#(and (= |ULTIMATE.start___VERIFIER_assert_#in~cond| (ite (< ULTIMATE.start_main_~i~5 200) 1 0)) (exists ((|v_ULTIMATE.start_main_#t~nondet2_9| Int)) (and (<= |v_ULTIMATE.start_main_#t~nondet2_9| 2147483647) (<= 0 (+ |v_ULTIMATE.start_main_#t~nondet2_9| 2147483648)) (not (= 0 |v_ULTIMATE.start_main_#t~nondet2_9|)))) (exists ((|v_ULTIMATE.start_main_#t~nondet2_10| Int)) (and (<= 0 (+ |v_ULTIMATE.start_main_#t~nondet2_10| 2147483648)) (<= |v_ULTIMATE.start_main_#t~nondet2_10| 2147483647) (or (= |v_ULTIMATE.start_main_#t~nondet2_10| 0) (not (< ULTIMATE.start_main_~i~5 1000000))))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond| ULTIMATE.start___VERIFIER_assert_~cond) (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (not (<= 100 ULTIMATE.start_main_~j~5)) (< ULTIMATE.start_main_~i~5 1000001)) [2019-08-06 16:52:20,428 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:52:20,436 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:52:20,439 INFO L168 Benchmark]: Toolchain (without parser) took 499.60 ms. Allocated memory is still 133.7 MB. Free memory was 110.1 MB in the beginning and 92.3 MB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 7.1 GB. [2019-08-06 16:52:20,440 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.25 ms. Allocated memory is still 133.7 MB. Free memory was 111.4 MB in the beginning and 111.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-06 16:52:20,441 INFO L168 Benchmark]: Boogie Preprocessor took 42.78 ms. Allocated memory is still 133.7 MB. Free memory was 109.9 MB in the beginning and 108.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-08-06 16:52:20,443 INFO L168 Benchmark]: RCFGBuilder took 313.53 ms. Allocated memory is still 133.7 MB. Free memory was 107.8 MB in the beginning and 98.1 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-08-06 16:52:20,444 INFO L168 Benchmark]: Symbolic Interpretation took 140.32 ms. Allocated memory is still 133.7 MB. Free memory was 98.1 MB in the beginning and 92.3 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. [2019-08-06 16:52:20,448 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 53]: 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 133.7 MB. Free memory was 111.4 MB in the beginning and 111.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 42.78 ms. Allocated memory is still 133.7 MB. Free memory was 109.9 MB in the beginning and 108.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 313.53 ms. Allocated memory is still 133.7 MB. Free memory was 107.8 MB in the beginning and 98.1 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 140.32 ms. Allocated memory is still 133.7 MB. Free memory was 98.1 MB in the beginning and 92.3 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...