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/quantifier/Arrays/Arrays20.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:18:26,119 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:18:26,121 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:18:26,133 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:18:26,133 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:18:26,134 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:18:26,135 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:18:26,137 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:18:26,139 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:18:26,140 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:18:26,141 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:18:26,142 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:18:26,142 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:18:26,143 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:18:26,144 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:18:26,146 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:18:26,146 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:18:26,147 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:18:26,149 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:18:26,153 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:18:26,155 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:18:26,160 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:18:26,162 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:18:26,165 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:18:26,169 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:18:26,169 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:18:26,169 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:18:26,171 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:18:26,171 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:18:26,172 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:18:26,172 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:18:26,173 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:18:26,174 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:18:26,176 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:18:26,177 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:18:26,177 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:18:26,178 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:18:26,178 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:18:26,179 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:18:26,182 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:18:26,184 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:18:26,226 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:18:26,238 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:18:26,242 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:18:26,243 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:18:26,244 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:18:26,244 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/quantifier/Arrays/Arrays20.bpl [2019-08-09 14:18:26,245 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/quantifier/Arrays/Arrays20.bpl' [2019-08-09 14:18:26,277 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:18:26,278 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:18:26,279 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:18:26,279 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:18:26,279 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:18:26,302 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Arrays20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:26" (1/1) ... [2019-08-09 14:18:26,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Arrays20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:26" (1/1) ... [2019-08-09 14:18:26,313 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Arrays20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:26" (1/1) ... [2019-08-09 14:18:26,313 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Arrays20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:26" (1/1) ... [2019-08-09 14:18:26,318 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Arrays20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:26" (1/1) ... [2019-08-09 14:18:26,323 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Arrays20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:26" (1/1) ... [2019-08-09 14:18:26,324 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Arrays20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:26" (1/1) ... [2019-08-09 14:18:26,326 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:18:26,327 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:18:26,327 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:18:26,328 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:18:26,328 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Arrays20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:26" (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 14:18:26,397 INFO L130 BoogieDeclarations]: Found specification of procedure p2 [2019-08-09 14:18:26,397 INFO L138 BoogieDeclarations]: Found implementation of procedure p2 [2019-08-09 14:18:26,398 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 14:18:26,398 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 14:18:26,702 INFO L275 CfgBuilder]: Using library mode [2019-08-09 14:18:26,702 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-09 14:18:26,704 INFO L202 PluginConnector]: Adding new model Arrays20.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:18:26 BoogieIcfgContainer [2019-08-09 14:18:26,704 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:18:26,705 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:18:26,705 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:18:26,705 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:18:26,706 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "Arrays20.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:18:26" (1/1) ... [2019-08-09 14:18:27,558 WARN L188 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-08-09 14:18:27,640 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:18:27,649 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:18:27,654 INFO L168 Benchmark]: Toolchain (without parser) took 1373.08 ms. Allocated memory was 133.7 MB in the beginning and 170.9 MB in the end (delta: 37.2 MB). Free memory was 110.1 MB in the beginning and 144.7 MB in the end (delta: -34.6 MB). Peak memory consumption was 56.0 MB. Max. memory is 7.1 GB. [2019-08-09 14:18:27,655 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 133.7 MB. Free memory was 111.4 MB in the beginning and 111.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-09 14:18:27,657 INFO L168 Benchmark]: Boogie Preprocessor took 47.94 ms. Allocated memory is still 133.7 MB. Free memory was 109.9 MB in the beginning and 107.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-09 14:18:27,659 INFO L168 Benchmark]: RCFGBuilder took 377.08 ms. Allocated memory is still 133.7 MB. Free memory was 107.7 MB in the beginning and 94.3 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. [2019-08-09 14:18:27,661 INFO L168 Benchmark]: Symbolic Interpretation took 944.74 ms. Allocated memory was 133.7 MB in the beginning and 170.9 MB in the end (delta: 37.2 MB). Free memory was 94.3 MB in the beginning and 144.7 MB in the end (delta: -50.4 MB). Peak memory consumption was 40.2 MB. Max. memory is 7.1 GB. [2019-08-09 14:18:27,664 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 48]: 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 68#(and (<= 0 main_i) (= 8 (select a 7)) (not (<= (select a main_i) 10)) (= (select a 6) 7) (= (select a 1) 2) (= 12 (select a 11)) (= (select a 2) 3) (= 11 (select a 10)) (= 1 (select a 0)) (< main_i 10) (= 13 (select a 12)) (= 6 (select a 5)) (= 4 (select a 3)) (= 10 (select a 9)) (= (select a 8) 9) (= (select a 4) 5)). Possible FailurePath: - PositiveResult [Line: 39]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 42]: assertion always holds For all program executions holds that assertion always holds at this location - UnprovableResult [Line: 51]: 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 51#(and (= 8 (select a 7)) (= (select a 6) 7) (= (select a 1) 2) (= 12 (select a 11)) (= (select a 2) 3) (= 11 (select a 10)) (= 1 (select a 0)) (= 13 (select a 12)) (= 6 (select a 5)) (= 4 (select a 3)) (not (= 1 (select a main_i))) (= 10 (select a 9)) (= main_i 0) (= (select a 8) 9) (= (select a 4) 5)). Possible FailurePath: - PositiveResult [Line: 41]: assertion always holds For all program executions holds that assertion always holds at this location - UnprovableResult [Line: 45]: 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 74#(and (not (= 12 (select a 11))) (= 1 (select a 0)) (= 6 (select a 5)) (= 4 (select a 3)) (= 8 (select a 7)) (= (select a 6) 7) (= (select a 1) 2) (= (select a 2) 3) (= 10 (select a 9)) (= 11 (select a 10)) (= (select a 8) 9) (= (select a 4) 5)). Possible FailurePath: - PositiveResult [Line: 36]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 40]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 35]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 38]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 37]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 43]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 44]: assertion always holds For all program executions holds that assertion always holds at this location - UnprovableResult [Line: 53]: 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 (= main_i 1) (= 8 (select a 7)) (= (select a 6) 7) (= (select a 1) 2) (= 12 (select a 11)) (= (select a 2) 3) (= 11 (select a 10)) (= 1 (select a 0)) (not (= 2 (select a main_i))) (= 13 (select a 12)) (= 6 (select a 5)) (= 4 (select a 3)) (= 10 (select a 9)) (= (select a 8) 9) (= (select a 4) 5)). Possible FailurePath: - UnprovableResult [Line: 46]: 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 71#(and (= 8 (select a 7)) (not (= 13 (select a 12))) (= (select a 6) 7) (= (select a 1) 2) (= 12 (select a 11)) (= (select a 2) 3) (= 11 (select a 10)) (= 1 (select a 0)) (= 6 (select a 5)) (= 4 (select a 3)) (= 10 (select a 9)) (= (select a 8) 9) (= (select a 4) 5)). Possible FailurePath: - UnprovableResult [Line: 58]: 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 65#(and (< main_i 20) (not (= (select b main_i) (select a main_i))) (= main_i 0)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 133.7 MB. Free memory was 111.4 MB in the beginning and 111.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 47.94 ms. Allocated memory is still 133.7 MB. Free memory was 109.9 MB in the beginning and 107.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 377.08 ms. Allocated memory is still 133.7 MB. Free memory was 107.7 MB in the beginning and 94.3 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 944.74 ms. Allocated memory was 133.7 MB in the beginning and 170.9 MB in the end (delta: 37.2 MB). Free memory was 94.3 MB in the beginning and 144.7 MB in the end (delta: -50.4 MB). Peak memory consumption was 40.2 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...