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/underapprox2.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:52:27,617 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:52:27,619 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:52:27,630 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:52:27,631 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:52:27,632 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:52:27,633 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:52:27,635 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:52:27,637 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:52:27,638 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:52:27,639 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:52:27,640 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:52:27,641 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:52:27,642 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:52:27,643 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:52:27,644 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:52:27,645 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:52:27,646 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:52:27,648 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:52:27,650 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:52:27,652 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:52:27,653 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:52:27,655 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:52:27,655 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:52:27,658 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:52:27,659 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:52:27,659 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:52:27,660 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:52:27,660 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:52:27,662 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:52:27,662 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:52:27,663 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:52:27,664 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:52:27,665 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:52:27,666 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:52:27,666 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:52:27,667 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:52:27,668 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:52:27,668 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:52:27,669 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:52:27,670 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:52:27,706 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:52:27,723 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:52:27,727 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:52:27,729 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:52:27,730 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:52:27,731 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/underapprox2.i_3.bpl [2019-08-06 16:52:27,731 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/underapprox2.i_3.bpl' [2019-08-06 16:52:27,769 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:52:27,771 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:52:27,773 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:52:27,773 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:52:27,773 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:52:27,797 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "underapprox2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:27" (1/1) ... [2019-08-06 16:52:27,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "underapprox2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:27" (1/1) ... [2019-08-06 16:52:27,806 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "underapprox2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:27" (1/1) ... [2019-08-06 16:52:27,806 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "underapprox2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:27" (1/1) ... [2019-08-06 16:52:27,810 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "underapprox2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:27" (1/1) ... [2019-08-06 16:52:27,813 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "underapprox2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:27" (1/1) ... [2019-08-06 16:52:27,814 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "underapprox2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:27" (1/1) ... [2019-08-06 16:52:27,815 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:52:27,816 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:52:27,818 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:52:27,819 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:52:27,820 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "underapprox2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:27" (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 16:52:27,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-06 16:52:27,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-06 16:52:28,071 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-06 16:52:28,071 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-06 16:52:28,072 INFO L202 PluginConnector]: Adding new model underapprox2.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:52:28 BoogieIcfgContainer [2019-08-06 16:52:28,073 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:52:28,073 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:52:28,073 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:52:28,074 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:52:28,074 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "underapprox2.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:52:28" (1/1) ... [2019-08-06 16:52:28,086 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:52:28,092 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:52:28,102 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-06 16:52:28,112 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:52:28,113 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-06 16:52:28,218 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:52:28,219 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:52:28,222 INFO L179 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 23#(and (= (ite (not (= 6 (mod ULTIMATE.start_main_~x~4 4294967296))) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond|) (= |ULTIMATE.start___VERIFIER_assert_#in~cond| ULTIMATE.start___VERIFIER_assert_~cond) (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (not (< (mod ULTIMATE.start_main_~x~4 4294967296) 6)) (< (mod (+ ULTIMATE.start_main_~x~4 4294967295) 4294967296) 6) (exists ((v_ULTIMATE.start_main_~y~4_8 Int)) (= ULTIMATE.start_main_~y~4 (* 2 v_ULTIMATE.start_main_~y~4_8)))) [2019-08-06 16:52:28,223 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:52:28,230 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:52:28,233 INFO L168 Benchmark]: Toolchain (without parser) took 460.62 ms. Allocated memory is still 132.6 MB. Free memory was 108.9 MB in the beginning and 91.9 MB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:52:28,233 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 132.6 MB. Free memory is still 109.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-06 16:52:28,235 INFO L168 Benchmark]: Boogie Preprocessor took 42.75 ms. Allocated memory is still 132.6 MB. Free memory was 108.9 MB in the beginning and 106.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:52:28,236 INFO L168 Benchmark]: RCFGBuilder took 256.86 ms. Allocated memory is still 132.6 MB. Free memory was 106.7 MB in the beginning and 97.5 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:52:28,237 INFO L168 Benchmark]: Symbolic Interpretation took 156.56 ms. Allocated memory is still 132.6 MB. Free memory was 97.1 MB in the beginning and 91.9 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:52:28,241 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 36]: 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 0.22 ms. Allocated memory is still 132.6 MB. Free memory is still 109.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 42.75 ms. Allocated memory is still 132.6 MB. Free memory was 108.9 MB in the beginning and 106.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 256.86 ms. Allocated memory is still 132.6 MB. Free memory was 106.7 MB in the beginning and 97.5 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 156.56 ms. Allocated memory is still 132.6 MB. Free memory was 97.1 MB in the beginning and 91.9 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...