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/nested1.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:42:32,396 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:42:32,398 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:42:32,409 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:42:32,409 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:42:32,410 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:42:32,412 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:42:32,414 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:42:32,415 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:42:32,416 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:42:32,417 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:42:32,418 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:42:32,418 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:42:32,419 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:42:32,420 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:42:32,421 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:42:32,422 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:42:32,423 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:42:32,425 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:42:32,427 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:42:32,428 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:42:32,429 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:42:32,430 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:42:32,431 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:42:32,434 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:42:32,434 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:42:32,434 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:42:32,435 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:42:32,435 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:42:32,436 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:42:32,436 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:42:32,437 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:42:32,438 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:42:32,439 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:42:32,440 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:42:32,440 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:42:32,441 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:42:32,441 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:42:32,441 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:42:32,442 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:42:32,443 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:42:32,470 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:42:32,481 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:42:32,485 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:42:32,486 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:42:32,487 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:42:32,487 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/nested1.i_4.bpl [2019-08-05 11:42:32,488 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/nested1.i_4.bpl' [2019-08-05 11:42:32,525 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:42:32,526 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 11:42:32,527 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:42:32,527 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:42:32,527 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:42:32,550 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:42:32" (1/1) ... [2019-08-05 11:42:32,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:42:32" (1/1) ... [2019-08-05 11:42:32,559 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:42:32" (1/1) ... [2019-08-05 11:42:32,559 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:42:32" (1/1) ... [2019-08-05 11:42:32,562 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:42:32" (1/1) ... [2019-08-05 11:42:32,564 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:42:32" (1/1) ... [2019-08-05 11:42:32,565 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:42:32" (1/1) ... [2019-08-05 11:42:32,566 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:42:32,567 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:42:32,567 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:42:32,568 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:42:32,569 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:42:32" (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 [2019-08-05 11:42:32,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 11:42:32,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 11:42:32,886 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2019-08-05 11:42:32,889 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 11:42:32,889 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-05 11:42:32,890 INFO L202 PluginConnector]: Adding new model nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:42:32 BoogieIcfgContainer [2019-08-05 11:42:32,890 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:42:32,891 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 11:42:32,891 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 11:42:32,891 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 11:42:32,893 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:42:32" (1/1) ... [2019-08-05 11:42:32,904 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 11:42:32,907 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 11:42:32,913 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-05 11:42:32,921 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 11:42:32,923 INFO L184 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-05 11:42:33,722 WARN L188 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 14 [2019-08-05 11:42:34,049 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 27 [2019-08-05 11:42:34,386 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2019-08-05 11:42:34,602 WARN L188 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 41 [2019-08-05 11:42:34,799 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 9 [2019-08-05 11:42:35,046 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 11:42:35,046 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 11:42:35,049 INFO L178 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 104#(and (= |ULTIMATE.start___VERIFIER_assert_#in~cond| ULTIMATE.start___VERIFIER_assert_~cond) (and (not (< (mod ULTIMATE.start_main_~y~4 4294967296) 10)) (< (mod (+ ULTIMATE.start_main_~y~4 4294967295) 4294967296) 10)) (= 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|) (not (< (mod ULTIMATE.start_main_~x~4 4294967296) 268435455))) [2019-08-05 11:42:35,057 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 11:42:35,060 INFO L168 Benchmark]: Toolchain (without parser) took 2532.85 ms. Allocated memory was 137.4 MB in the beginning and 173.5 MB in the end (delta: 36.2 MB). Free memory was 110.3 MB in the beginning and 121.7 MB in the end (delta: -11.4 MB). Peak memory consumption was 55.0 MB. Max. memory is 7.1 GB. [2019-08-05 11:42:35,060 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 137.4 MB. Free memory is still 111.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 11:42:35,061 INFO L168 Benchmark]: Boogie Preprocessor took 40.02 ms. Allocated memory is still 137.4 MB. Free memory was 109.9 MB in the beginning and 108.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-05 11:42:35,062 INFO L168 Benchmark]: RCFGBuilder took 323.42 ms. Allocated memory is still 137.4 MB. Free memory was 107.8 MB in the beginning and 98.3 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-08-05 11:42:35,064 INFO L168 Benchmark]: Symbolic Interpretation took 2166.51 ms. Allocated memory was 137.4 MB in the beginning and 173.5 MB in the end (delta: 36.2 MB). Free memory was 98.3 MB in the beginning and 121.7 MB in the end (delta: -23.4 MB). Peak memory consumption was 43.0 MB. Max. memory is 7.1 GB. [2019-08-05 11:42:35,067 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 34]: 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 137.4 MB. Free memory is still 111.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 40.02 ms. Allocated memory is still 137.4 MB. Free memory was 109.9 MB in the beginning and 108.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 323.42 ms. Allocated memory is still 137.4 MB. Free memory was 107.8 MB in the beginning and 98.3 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 2166.51 ms. Allocated memory was 137.4 MB in the beginning and 173.5 MB in the end (delta: 36.2 MB). Free memory was 98.3 MB in the beginning and 121.7 MB in the end (delta: -23.4 MB). Peak memory consumption was 43.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...