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/functions1.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:52:12,922 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:52:12,924 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:52:12,940 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:52:12,940 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:52:12,941 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:52:12,943 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:52:12,945 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:52:12,947 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:52:12,948 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:52:12,949 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:52:12,950 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:52:12,951 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:52:12,952 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:52:12,953 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:52:12,954 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:52:12,955 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:52:12,956 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:52:12,958 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:52:12,961 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:52:12,963 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:52:12,964 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:52:12,965 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:52:12,966 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:52:12,969 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:52:12,969 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:52:12,969 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:52:12,970 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:52:12,971 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:52:12,972 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:52:12,972 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:52:12,973 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:52:12,973 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:52:12,974 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:52:12,976 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:52:12,976 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:52:12,977 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:52:12,977 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:52:12,977 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:52:12,978 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:52:12,979 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:52:13,022 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:52:13,045 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:52:13,049 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:52:13,051 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:52:13,052 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:52:13,053 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/functions1.i_3.bpl [2019-08-06 16:52:13,053 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/functions1.i_3.bpl' [2019-08-06 16:52:13,097 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:52:13,099 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:52:13,099 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:52:13,100 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:52:13,100 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:52:13,126 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "functions1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:13" (1/1) ... [2019-08-06 16:52:13,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "functions1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:13" (1/1) ... [2019-08-06 16:52:13,136 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "functions1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:13" (1/1) ... [2019-08-06 16:52:13,137 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "functions1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:13" (1/1) ... [2019-08-06 16:52:13,143 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "functions1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:13" (1/1) ... [2019-08-06 16:52:13,146 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "functions1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:13" (1/1) ... [2019-08-06 16:52:13,149 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "functions1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:13" (1/1) ... [2019-08-06 16:52:13,150 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:52:13,156 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:52:13,157 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:52:13,157 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:52:13,160 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "functions1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:13" (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 16:52:13,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-06 16:52:13,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-06 16:52:13,459 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-06 16:52:13,460 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-06 16:52:13,461 INFO L202 PluginConnector]: Adding new model functions1.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:52:13 BoogieIcfgContainer [2019-08-06 16:52:13,461 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:52:13,462 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:52:13,462 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:52:13,462 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:52:13,463 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "functions1.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:52:13" (1/1) ... [2019-08-06 16:52:13,474 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:52:13,477 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:52:13,484 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-06 16:52:13,492 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:52:13,493 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-06 16:52:13,572 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:52:13,572 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:52:13,576 INFO L179 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 23#(and (not (< (mod ULTIMATE.start_main_~x~5 4294967296) 268435455)) (= ULTIMATE.start_f_~z |ULTIMATE.start_f_#in~z|) (= |ULTIMATE.start___VERIFIER_assert_#in~cond| ULTIMATE.start___VERIFIER_assert_~cond) (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= (+ ULTIMATE.start_f_~z 2) |ULTIMATE.start_f_#res|) (= |ULTIMATE.start___VERIFIER_assert_#in~cond| (ite (<= (mod (ite (and (not (= 0 (mod ULTIMATE.start_main_~x~5 2))) (< (mod ULTIMATE.start_main_~x~5 4294967296) 0)) (+ (mod ULTIMATE.start_main_~x~5 2) (- 2)) (mod ULTIMATE.start_main_~x~5 2)) 4294967296) 2147483647) (mod (ite (and (not (= 0 (mod ULTIMATE.start_main_~x~5 2))) (< (mod ULTIMATE.start_main_~x~5 4294967296) 0)) (+ (mod ULTIMATE.start_main_~x~5 2) (- 2)) (mod ULTIMATE.start_main_~x~5 2)) 4294967296) (+ (mod (ite (and (not (= 0 (mod ULTIMATE.start_main_~x~5 2))) (< (mod ULTIMATE.start_main_~x~5 4294967296) 0)) (+ (mod ULTIMATE.start_main_~x~5 2) (- 2)) (mod ULTIMATE.start_main_~x~5 2)) 4294967296) (- 4294967296)))) (< (mod |ULTIMATE.start_f_#in~z| 4294967296) 268435455) (= ULTIMATE.start_main_~x~5 |ULTIMATE.start_f_#res|)) [2019-08-06 16:52:13,578 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:52:13,585 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:52:13,588 INFO L168 Benchmark]: Toolchain (without parser) took 488.80 ms. Allocated memory is still 134.2 MB. Free memory was 110.6 MB in the beginning and 93.7 MB in the end (delta: 16.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 7.1 GB. [2019-08-06 16:52:13,590 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.25 ms. Allocated memory is still 134.2 MB. Free memory was 111.8 MB in the beginning and 111.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-06 16:52:13,591 INFO L168 Benchmark]: Boogie Preprocessor took 51.48 ms. Allocated memory is still 134.2 MB. Free memory was 110.4 MB in the beginning and 108.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-06 16:52:13,592 INFO L168 Benchmark]: RCFGBuilder took 304.96 ms. Allocated memory is still 134.2 MB. Free memory was 108.3 MB in the beginning and 98.9 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-08-06 16:52:13,593 INFO L168 Benchmark]: Symbolic Interpretation took 123.64 ms. Allocated memory is still 134.2 MB. Free memory was 98.7 MB in the beginning and 93.7 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2019-08-06 16:52:13,597 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 41]: 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 134.2 MB. Free memory was 111.8 MB in the beginning and 111.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 51.48 ms. Allocated memory is still 134.2 MB. Free memory was 110.4 MB in the beginning and 108.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 304.96 ms. Allocated memory is still 134.2 MB. Free memory was 108.3 MB in the beginning and 98.9 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 123.64 ms. Allocated memory is still 134.2 MB. Free memory was 98.7 MB in the beginning and 93.7 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...