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/twoLoops.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:07:41,116 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:07:41,118 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:07:41,130 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:07:41,130 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:07:41,131 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:07:41,133 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:07:41,135 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:07:41,136 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:07:41,137 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:07:41,138 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:07:41,139 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:07:41,139 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:07:41,140 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:07:41,141 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:07:41,142 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:07:41,143 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:07:41,144 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:07:41,146 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:07:41,147 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:07:41,149 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:07:41,150 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:07:41,151 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:07:41,152 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:07:41,154 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 12:07:41,154 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 12:07:41,154 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 12:07:41,155 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 12:07:41,156 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 12:07:41,157 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 12:07:41,157 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:07:41,158 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:07:41,159 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:07:41,160 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:07:41,161 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:07:41,161 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:07:41,161 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:07:41,162 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 12:07:41,162 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 12:07:41,163 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 12:07:41,163 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 12:07:41,204 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:07:41,224 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:07:41,229 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:07:41,231 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:07:41,231 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:07:41,232 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/loopAcceleration/twoLoops.bpl [2019-08-05 12:07:41,233 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/loopAcceleration/twoLoops.bpl' [2019-08-05 12:07:41,268 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:07:41,269 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 12:07:41,270 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:07:41,270 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:07:41,270 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:07:41,295 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "twoLoops.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:41" (1/1) ... [2019-08-05 12:07:41,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "twoLoops.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:41" (1/1) ... [2019-08-05 12:07:41,304 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "twoLoops.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:41" (1/1) ... [2019-08-05 12:07:41,305 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "twoLoops.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:41" (1/1) ... [2019-08-05 12:07:41,309 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "twoLoops.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:41" (1/1) ... [2019-08-05 12:07:41,314 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "twoLoops.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:41" (1/1) ... [2019-08-05 12:07:41,315 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "twoLoops.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:41" (1/1) ... [2019-08-05 12:07:41,316 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:07:41,318 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:07:41,318 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:07:41,318 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:07:41,319 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "twoLoops.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:41" (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 12:07:41,392 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 12:07:41,393 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 12:07:41,393 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 12:07:41,650 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:07:41,650 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:07:41,652 INFO L202 PluginConnector]: Adding new model twoLoops.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:07:41 BoogieIcfgContainer [2019-08-05 12:07:41,652 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:07:41,653 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 12:07:41,653 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 12:07:41,653 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 12:07:41,655 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "twoLoops.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:07:41" (1/1) ... [2019-08-05 12:07:41,665 INFO L148 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-08-05 12:07:41,668 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 12:07:41,677 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-05 12:07:41,688 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 12:07:41,689 INFO L184 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-05 12:07:41,919 WARN L188 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 8 [2019-08-05 12:07:42,169 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 12:07:42,169 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 12:07:42,172 INFO L178 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 44#(and (< main_x 503) (not (= main_x 501)) (not (< main_x 500))) [2019-08-05 12:07:42,172 INFO L178 IcfgInterpreter]: Location mainErr1ASSERT_VIOLATIONASSERT has predicate 41#(and (not (= main_x 1001)) (< main_x 1002) (not (< main_x 1000))) [2019-08-05 12:07:42,181 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 12:07:42,183 INFO L168 Benchmark]: Toolchain (without parser) took 913.35 ms. Allocated memory is still 141.0 MB. Free memory was 109.4 MB in the beginning and 81.2 MB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:07:42,184 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.67 ms. Allocated memory is still 141.0 MB. Free memory was 110.5 MB in the beginning and 110.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 12:07:42,185 INFO L168 Benchmark]: Boogie Preprocessor took 47.03 ms. Allocated memory is still 141.0 MB. Free memory was 109.2 MB in the beginning and 107.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-05 12:07:42,187 INFO L168 Benchmark]: RCFGBuilder took 334.87 ms. Allocated memory is still 141.0 MB. Free memory was 107.0 MB in the beginning and 97.8 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:07:42,188 INFO L168 Benchmark]: Symbolic Interpretation took 528.23 ms. Allocated memory is still 141.0 MB. Free memory was 97.8 MB in the beginning and 81.2 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 7.1 GB. [2019-08-05 12:07:42,191 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 15]: 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: 19]: 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 0.67 ms. Allocated memory is still 141.0 MB. Free memory was 110.5 MB in the beginning and 110.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 47.03 ms. Allocated memory is still 141.0 MB. Free memory was 109.2 MB in the beginning and 107.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 334.87 ms. Allocated memory is still 141.0 MB. Free memory was 107.0 MB in the beginning and 97.8 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 528.23 ms. Allocated memory is still 141.0 MB. Free memory was 97.8 MB in the beginning and 81.2 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...