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/toy/tooDifficultLoopInvariant/ValueTerminatedArrayIteration01.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-04 21:58:47,813 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-04 21:58:47,817 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-04 21:58:47,833 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-04 21:58:47,833 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-04 21:58:47,835 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-04 21:58:47,836 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-04 21:58:47,839 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-04 21:58:47,841 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-04 21:58:47,842 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-04 21:58:47,844 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-04 21:58:47,845 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-04 21:58:47,845 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-04 21:58:47,848 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-04 21:58:47,849 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-04 21:58:47,850 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-04 21:58:47,851 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-04 21:58:47,859 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-04 21:58:47,863 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-04 21:58:47,867 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-04 21:58:47,869 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-04 21:58:47,871 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-04 21:58:47,872 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-04 21:58:47,874 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-04 21:58:47,876 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-04 21:58:47,876 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-04 21:58:47,876 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-04 21:58:47,878 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-04 21:58:47,878 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-04 21:58:47,879 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-04 21:58:47,881 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-04 21:58:47,882 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-04 21:58:47,883 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-04 21:58:47,884 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-04 21:58:47,885 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-04 21:58:47,886 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-04 21:58:47,887 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-04 21:58:47,888 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-04 21:58:47,888 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-04 21:58:47,889 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-04 21:58:47,890 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-04 21:58:47,943 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-04 21:58:47,964 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-04 21:58:47,968 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-04 21:58:47,969 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-04 21:58:47,970 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-04 21:58:47,972 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/ValueTerminatedArrayIteration01.bpl [2019-08-04 21:58:47,972 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/ValueTerminatedArrayIteration01.bpl' [2019-08-04 21:58:48,009 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-04 21:58:48,011 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-04 21:58:48,011 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-04 21:58:48,011 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-04 21:58:48,012 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-04 21:58:48,037 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:48" (1/1) ... [2019-08-04 21:58:48,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:48" (1/1) ... [2019-08-04 21:58:48,048 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:48" (1/1) ... [2019-08-04 21:58:48,048 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:48" (1/1) ... [2019-08-04 21:58:48,052 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:48" (1/1) ... [2019-08-04 21:58:48,057 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:48" (1/1) ... [2019-08-04 21:58:48,059 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:48" (1/1) ... [2019-08-04 21:58:48,061 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-04 21:58:48,063 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-04 21:58:48,063 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-04 21:58:48,063 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-04 21:58:48,064 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:48" (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 [2019-08-04 21:58:48,134 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-04 21:58:48,135 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-04 21:58:48,135 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-04 21:58:48,392 INFO L275 CfgBuilder]: Using library mode [2019-08-04 21:58:48,392 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-04 21:58:48,394 INFO L202 PluginConnector]: Adding new model ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 09:58:48 BoogieIcfgContainer [2019-08-04 21:58:48,394 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-04 21:58:48,394 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-04 21:58:48,394 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-04 21:58:48,395 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-04 21:58:48,397 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 09:58:48" (1/1) ... [2019-08-04 21:58:48,409 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-04 21:58:48,413 INFO L155 IcfgInterpreter]: Building call graph [2019-08-04 21:58:48,427 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-04 21:58:48,437 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-04 21:58:48,439 INFO L184 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-04 21:58:48,757 WARN L188 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2019-08-04 21:58:48,875 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2019-08-04 21:58:49,254 WARN L188 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2019-08-04 21:58:49,350 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-04 21:58:49,351 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-04 21:58:49,353 INFO L178 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 23#(and (not (= (select a (+ i (- 1))) 42)) (= 42 (select a i)) (not (<= i end))) [2019-08-04 21:58:49,361 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-04 21:58:49,363 INFO L168 Benchmark]: Toolchain (without parser) took 1352.37 ms. Allocated memory is still 133.2 MB. Free memory was 110.6 MB in the beginning and 76.8 MB in the end (delta: 33.7 MB). Peak memory consumption was 33.7 MB. Max. memory is 7.1 GB. [2019-08-04 21:58:49,365 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 133.2 MB. Free memory was 111.8 MB in the beginning and 111.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-04 21:58:49,366 INFO L168 Benchmark]: Boogie Preprocessor took 50.76 ms. Allocated memory is still 133.2 MB. Free memory was 110.6 MB in the beginning and 108.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-04 21:58:49,367 INFO L168 Benchmark]: RCFGBuilder took 331.59 ms. Allocated memory is still 133.2 MB. Free memory was 108.3 MB in the beginning and 99.0 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-08-04 21:58:49,368 INFO L168 Benchmark]: Symbolic Interpretation took 967.12 ms. Allocated memory is still 133.2 MB. Free memory was 99.0 MB in the beginning and 77.1 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. [2019-08-04 21:58:49,372 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 20]: 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 0.24 ms. Allocated memory is still 133.2 MB. Free memory was 111.8 MB in the beginning and 111.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 50.76 ms. Allocated memory is still 133.2 MB. Free memory was 110.6 MB in the beginning and 108.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 331.59 ms. Allocated memory is still 133.2 MB. Free memory was 108.3 MB in the beginning and 99.0 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 967.12 ms. Allocated memory is still 133.2 MB. Free memory was 99.0 MB in the beginning and 77.1 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...