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/sum04.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:52:40,467 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:52:40,469 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:52:40,485 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:52:40,485 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:52:40,486 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:52:40,488 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:52:40,490 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:52:40,492 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:52:40,494 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:52:40,495 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:52:40,497 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:52:40,497 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:52:40,498 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:52:40,506 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:52:40,507 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:52:40,508 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:52:40,511 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:52:40,512 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:52:40,517 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:52:40,519 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:52:40,520 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:52:40,522 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:52:40,523 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:52:40,527 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:52:40,527 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:52:40,527 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:52:40,528 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:52:40,529 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:52:40,529 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:52:40,530 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:52:40,532 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:52:40,533 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:52:40,534 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:52:40,537 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:52:40,537 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:52:40,538 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:52:40,538 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:52:40,539 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:52:40,539 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:52:40,543 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:52:40,595 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:52:40,614 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:52:40,621 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:52:40,623 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:52:40,624 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:52:40,625 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/sum04.i_4.bpl [2019-08-06 16:52:40,625 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/sum04.i_4.bpl' [2019-08-06 16:52:40,662 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:52:40,663 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:52:40,664 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:52:40,664 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:52:40,664 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:52:40,683 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum04.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:40" (1/1) ... [2019-08-06 16:52:40,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum04.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:40" (1/1) ... [2019-08-06 16:52:40,691 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum04.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:40" (1/1) ... [2019-08-06 16:52:40,692 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum04.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:40" (1/1) ... [2019-08-06 16:52:40,694 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum04.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:40" (1/1) ... [2019-08-06 16:52:40,696 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum04.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:40" (1/1) ... [2019-08-06 16:52:40,697 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum04.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:40" (1/1) ... [2019-08-06 16:52:40,698 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:52:40,699 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:52:40,699 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:52:40,699 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:52:40,700 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum04.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:40" (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 16:52:40,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-06 16:52:40,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-06 16:52:40,926 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2019-08-06 16:52:40,987 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-06 16:52:40,989 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-06 16:52:40,990 INFO L202 PluginConnector]: Adding new model sum04.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:52:40 BoogieIcfgContainer [2019-08-06 16:52:40,991 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:52:40,991 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:52:40,991 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:52:40,992 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:52:40,993 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "sum04.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:52:40" (1/1) ... [2019-08-06 16:52:41,007 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:52:41,012 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:52:41,025 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-06 16:52:41,033 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:52:41,035 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-06 16:52:41,187 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:52:41,188 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:52:41,190 INFO L179 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 52#(or (and (= ULTIMATE.start_main_~sn~4 0) (= ULTIMATE.start_main_~i~4 1) (= |ULTIMATE.start___VERIFIER_assert_#in~cond| ULTIMATE.start___VERIFIER_assert_~cond) (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (not (<= ULTIMATE.start_main_~i~4 8)) (= |ULTIMATE.start___VERIFIER_assert_#in~cond| (ite (or (= ULTIMATE.start_main_~sn~4 0) (= ULTIMATE.start_main_~sn~4 16)) 1 0))) (and (= |ULTIMATE.start___VERIFIER_assert_#in~cond| ULTIMATE.start___VERIFIER_assert_~cond) (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (<= ULTIMATE.start_main_~i~4 9) (not (<= ULTIMATE.start_main_~i~4 8)) (= |ULTIMATE.start___VERIFIER_assert_#in~cond| (ite (or (= ULTIMATE.start_main_~sn~4 0) (= ULTIMATE.start_main_~sn~4 16)) 1 0)))) [2019-08-06 16:52:41,192 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:52:41,197 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:52:41,200 INFO L168 Benchmark]: Toolchain (without parser) took 535.78 ms. Allocated memory is still 132.1 MB. Free memory was 108.4 MB in the beginning and 90.1 MB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 7.1 GB. [2019-08-06 16:52:41,201 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 132.1 MB. Free memory was 109.7 MB in the beginning and 109.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-06 16:52:41,202 INFO L168 Benchmark]: Boogie Preprocessor took 34.62 ms. Allocated memory is still 132.1 MB. Free memory was 108.4 MB in the beginning and 106.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:52:41,203 INFO L168 Benchmark]: RCFGBuilder took 292.06 ms. Allocated memory is still 132.1 MB. Free memory was 106.2 MB in the beginning and 95.9 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2019-08-06 16:52:41,204 INFO L168 Benchmark]: Symbolic Interpretation took 206.06 ms. Allocated memory is still 132.1 MB. Free memory was 95.7 MB in the beginning and 90.1 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. [2019-08-06 16:52:41,208 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 33]: 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 0.21 ms. Allocated memory is still 132.1 MB. Free memory was 109.7 MB in the beginning and 109.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 34.62 ms. Allocated memory is still 132.1 MB. Free memory was 108.4 MB in the beginning and 106.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 292.06 ms. Allocated memory is still 132.1 MB. Free memory was 106.2 MB in the beginning and 95.9 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 206.06 ms. Allocated memory is still 132.1 MB. Free memory was 95.7 MB in the beginning and 90.1 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...