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/simple4.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:09:24,171 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:09:24,173 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:09:24,184 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:09:24,184 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:09:24,185 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:09:24,187 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:09:24,188 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:09:24,190 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:09:24,191 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:09:24,192 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:09:24,193 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:09:24,193 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:09:24,194 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:09:24,195 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:09:24,196 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:09:24,197 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:09:24,198 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:09:24,200 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:09:24,202 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:09:24,203 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:09:24,204 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:09:24,205 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:09:24,206 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:09:24,208 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:09:24,209 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:09:24,209 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:09:24,210 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:09:24,210 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:09:24,211 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:09:24,211 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:09:24,212 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:09:24,213 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:09:24,213 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:09:24,214 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:09:24,215 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:09:24,215 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:09:24,216 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:09:24,216 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:09:24,217 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:09:24,217 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:09:24,247 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:09:24,262 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:09:24,266 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:09:24,268 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:09:24,268 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:09:24,269 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/simple4.i_3.bpl [2019-08-09 14:09:24,269 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/simple4.i_3.bpl' [2019-08-09 14:09:24,308 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:09:24,310 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:09:24,310 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:09:24,310 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:09:24,310 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:09:24,333 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "simple4.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:24" (1/1) ... [2019-08-09 14:09:24,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "simple4.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:24" (1/1) ... [2019-08-09 14:09:24,341 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "simple4.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:24" (1/1) ... [2019-08-09 14:09:24,342 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "simple4.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:24" (1/1) ... [2019-08-09 14:09:24,345 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "simple4.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:24" (1/1) ... [2019-08-09 14:09:24,346 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "simple4.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:24" (1/1) ... [2019-08-09 14:09:24,347 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "simple4.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:24" (1/1) ... [2019-08-09 14:09:24,348 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:09:24,349 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:09:24,350 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:09:24,350 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:09:24,351 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "simple4.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:24" (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 14:09:24,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 14:09:24,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 14:09:24,556 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 14:09:24,557 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 14:09:24,558 INFO L202 PluginConnector]: Adding new model simple4.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:09:24 BoogieIcfgContainer [2019-08-09 14:09:24,559 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:09:24,560 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:09:24,560 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:09:24,561 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:09:24,562 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "simple4.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:09:24" (1/1) ... [2019-08-09 14:09:24,717 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:09:24,727 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:09:24,730 INFO L168 Benchmark]: Toolchain (without parser) took 419.29 ms. Allocated memory is still 133.7 MB. Free memory was 108.9 MB in the beginning and 92.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-08-09 14:09:24,732 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 133.7 MB. Free memory was 110.2 MB in the beginning and 109.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-08-09 14:09:24,733 INFO L168 Benchmark]: Boogie Preprocessor took 38.77 ms. Allocated memory is still 133.7 MB. Free memory was 108.9 MB in the beginning and 106.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-09 14:09:24,734 INFO L168 Benchmark]: RCFGBuilder took 209.27 ms. Allocated memory is still 133.7 MB. Free memory was 106.7 MB in the beginning and 97.6 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-08-09 14:09:24,735 INFO L168 Benchmark]: Symbolic Interpretation took 167.47 ms. Allocated memory is still 133.7 MB. Free memory was 97.6 MB in the beginning and 92.8 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-08-09 14:09:24,739 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 30]: 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 23#(and (not (< 1 (mod ULTIMATE.start_main_~x~4 4294967296))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond| ULTIMATE.start___VERIFIER_assert_~cond) (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= (ite (= (mod (ite (and (not (= 0 (mod ULTIMATE.start_main_~x~4 2))) (< (mod ULTIMATE.start_main_~x~4 4294967296) 0)) (+ (mod ULTIMATE.start_main_~x~4 2) (- 2)) (mod ULTIMATE.start_main_~x~4 2)) 4294967296) 0) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond|)). 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 133.7 MB. Free memory was 110.2 MB in the beginning and 109.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 38.77 ms. Allocated memory is still 133.7 MB. Free memory was 108.9 MB in the beginning and 106.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 209.27 ms. Allocated memory is still 133.7 MB. Free memory was 106.7 MB in the beginning and 97.6 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 167.47 ms. Allocated memory is still 133.7 MB. Free memory was 97.6 MB in the beginning and 92.8 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...