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/fragtest_simple.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:09:44,412 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:09:44,416 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:09:44,435 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:09:44,435 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:09:44,436 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:09:44,438 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:09:44,440 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:09:44,442 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:09:44,444 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:09:44,445 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:09:44,450 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:09:44,451 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:09:44,452 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:09:44,453 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:09:44,454 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:09:44,458 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:09:44,459 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:09:44,463 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:09:44,466 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:09:44,468 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:09:44,469 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:09:44,470 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:09:44,474 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:09:44,476 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:09:44,476 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:09:44,477 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:09:44,477 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:09:44,478 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:09:44,479 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:09:44,479 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:09:44,481 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:09:44,482 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:09:44,482 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:09:44,485 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:09:44,485 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:09:44,488 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:09:44,488 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:09:44,488 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:09:44,489 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:09:44,490 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:09:44,532 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:09:44,547 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:09:44,551 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:09:44,554 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:09:44,554 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:09:44,555 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/fragtest_simple.i_4.bpl [2019-08-09 14:09:44,555 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/fragtest_simple.i_4.bpl' [2019-08-09 14:09:44,608 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:09:44,609 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:09:44,610 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:09:44,610 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:09:44,610 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:09:44,637 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:44" (1/1) ... [2019-08-09 14:09:44,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:44" (1/1) ... [2019-08-09 14:09:44,647 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:44" (1/1) ... [2019-08-09 14:09:44,648 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:44" (1/1) ... [2019-08-09 14:09:44,655 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:44" (1/1) ... [2019-08-09 14:09:44,658 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:44" (1/1) ... [2019-08-09 14:09:44,660 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:44" (1/1) ... [2019-08-09 14:09:44,666 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:09:44,667 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:09:44,667 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:09:44,668 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:09:44,669 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:44" (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 [2019-08-09 14:09:44,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 14:09:44,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 14:09:44,937 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 14:09:44,937 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-08-09 14:09:44,938 INFO L202 PluginConnector]: Adding new model fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:09:44 BoogieIcfgContainer [2019-08-09 14:09:44,939 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:09:44,939 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:09:44,940 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:09:44,940 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:09:44,941 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:09:44" (1/1) ... [2019-08-09 14:09:45,119 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:09:45,128 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:09:45,131 INFO L168 Benchmark]: Toolchain (without parser) took 520.63 ms. Allocated memory is still 133.2 MB. Free memory was 109.6 MB in the beginning and 90.1 MB in the end (delta: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 7.1 GB. [2019-08-09 14:09:45,133 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 133.2 MB. Free memory was 110.8 MB in the beginning and 110.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-09 14:09:45,134 INFO L168 Benchmark]: Boogie Preprocessor took 56.81 ms. Allocated memory is still 133.2 MB. Free memory was 109.4 MB in the beginning and 107.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-09 14:09:45,136 INFO L168 Benchmark]: RCFGBuilder took 271.76 ms. Allocated memory is still 133.2 MB. Free memory was 107.3 MB in the beginning and 97.2 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-08-09 14:09:45,138 INFO L168 Benchmark]: Symbolic Interpretation took 188.53 ms. Allocated memory is still 133.2 MB. Free memory was 97.2 MB in the beginning and 90.3 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 7.1 GB. [2019-08-09 14:09:45,143 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 75]: 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. Predicate is 48#(and (= |ULTIMATE.start___VERIFIER_assert_#in~cond| (ite (<= 0 ULTIMATE.start_main_~k~5) 1 0)) (= |ULTIMATE.start___VERIFIER_assert_#in~cond| ULTIMATE.start___VERIFIER_assert_~cond) (= 0 ULTIMATE.start___VERIFIER_assert_~cond)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 133.2 MB. Free memory was 110.8 MB in the beginning and 110.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 56.81 ms. Allocated memory is still 133.2 MB. Free memory was 109.4 MB in the beginning and 107.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 271.76 ms. Allocated memory is still 133.2 MB. Free memory was 107.3 MB in the beginning and 97.2 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 188.53 ms. Allocated memory is still 133.2 MB. Free memory was 97.2 MB in the beginning and 90.3 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...