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/loopAcceleration/loopAccelerationWerner/nestedLoop.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:07:44,931 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:07:44,933 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:07:44,944 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:07:44,944 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:07:44,945 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:07:44,947 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:07:44,948 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:07:44,950 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:07:44,951 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:07:44,952 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:07:44,952 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:07:44,952 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:07:44,953 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:07:44,954 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:07:44,955 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:07:44,956 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:07:44,957 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:07:44,959 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:07:44,961 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:07:44,963 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:07:44,964 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:07:44,965 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:07:44,966 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:07:44,968 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 12:07:44,969 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 12:07:44,969 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 12:07:44,970 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 12:07:44,970 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 12:07:44,971 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 12:07:44,971 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:07:44,972 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:07:44,973 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:07:44,974 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:07:44,975 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:07:44,975 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:07:44,975 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:07:44,976 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 12:07:44,976 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 12:07:44,977 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 12:07:44,977 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 12:07:45,014 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:07:45,032 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:07:45,036 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:07:45,038 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:07:45,038 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:07:45,039 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/loopAcceleration/loopAccelerationWerner/nestedLoop.bpl [2019-08-05 12:07:45,041 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/loopAcceleration/loopAccelerationWerner/nestedLoop.bpl' [2019-08-05 12:07:45,072 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:07:45,074 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 12:07:45,075 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:07:45,075 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:07:45,075 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:07:45,099 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nestedLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:45" (1/1) ... [2019-08-05 12:07:45,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nestedLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:45" (1/1) ... [2019-08-05 12:07:45,108 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nestedLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:45" (1/1) ... [2019-08-05 12:07:45,108 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nestedLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:45" (1/1) ... [2019-08-05 12:07:45,113 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nestedLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:45" (1/1) ... [2019-08-05 12:07:45,117 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nestedLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:45" (1/1) ... [2019-08-05 12:07:45,118 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nestedLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:45" (1/1) ... [2019-08-05 12:07:45,119 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:07:45,121 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:07:45,121 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:07:45,121 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:07:45,122 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nestedLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:45" (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 12:07:45,195 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 12:07:45,195 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 12:07:45,195 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 12:07:45,446 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:07:45,446 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:07:45,448 INFO L202 PluginConnector]: Adding new model nestedLoop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:07:45 BoogieIcfgContainer [2019-08-05 12:07:45,448 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:07:45,448 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 12:07:45,449 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 12:07:45,449 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 12:07:45,451 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "nestedLoop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:07:45" (1/1) ... [2019-08-05 12:07:45,461 INFO L148 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-08-05 12:07:45,464 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 12:07:45,471 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-05 12:07:45,480 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 12:07:45,481 INFO L184 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-05 12:07:45,724 WARN L188 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 6 [2019-08-05 12:07:46,203 WARN L188 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 14 [2019-08-05 12:07:46,576 WARN L188 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 12 [2019-08-05 12:07:47,034 WARN L188 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 16 [2019-08-05 12:07:47,153 WARN L188 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 18 [2019-08-05 12:07:47,477 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 12:07:47,477 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 12:07:47,482 INFO L178 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 83#(and (not (= main_x 5000)) (< main_y 10001) (not (< main_x 5000)) (not (< main_y 10000))) [2019-08-05 12:07:47,482 INFO L178 IcfgInterpreter]: Location mainErr1ASSERT_VIOLATIONASSERT has predicate 89#(and (not (= main_y 10000)) (= main_x 5000) (not (< main_y 10000))) [2019-08-05 12:07:47,490 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 12:07:47,492 INFO L168 Benchmark]: Toolchain (without parser) took 2417.60 ms. Allocated memory was 134.7 MB in the beginning and 169.3 MB in the end (delta: 34.6 MB). Free memory was 111.2 MB in the beginning and 103.5 MB in the end (delta: 7.7 MB). Peak memory consumption was 55.0 MB. Max. memory is 7.1 GB. [2019-08-05 12:07:47,494 INFO L168 Benchmark]: Boogie PL CUP Parser took 1.67 ms. Allocated memory is still 134.7 MB. Free memory was 112.3 MB in the beginning and 112.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 12:07:47,495 INFO L168 Benchmark]: Boogie Preprocessor took 44.95 ms. Allocated memory is still 134.7 MB. Free memory was 111.0 MB in the beginning and 108.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:07:47,496 INFO L168 Benchmark]: RCFGBuilder took 327.33 ms. Allocated memory is still 134.7 MB. Free memory was 108.9 MB in the beginning and 99.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-08-05 12:07:47,497 INFO L168 Benchmark]: Symbolic Interpretation took 2041.58 ms. Allocated memory was 134.7 MB in the beginning and 169.3 MB in the end (delta: 34.6 MB). Free memory was 99.5 MB in the beginning and 103.5 MB in the end (delta: -4.0 MB). Peak memory consumption was 43.3 MB. Max. memory is 7.1 GB. [2019-08-05 12:07:47,501 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: - UnprovableResult [Line: 21]: 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 1.67 ms. Allocated memory is still 134.7 MB. Free memory was 112.3 MB in the beginning and 112.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.95 ms. Allocated memory is still 134.7 MB. Free memory was 111.0 MB in the beginning and 108.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 327.33 ms. Allocated memory is still 134.7 MB. Free memory was 108.9 MB in the beginning and 99.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 2041.58 ms. Allocated memory was 134.7 MB in the beginning and 169.3 MB in the end (delta: 34.6 MB). Free memory was 99.5 MB in the beginning and 103.5 MB in the end (delta: -4.0 MB). Peak memory consumption was 43.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...