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/loopAccelerationFastUPR/twoLoops_firstPart.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:07:50,685 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:07:50,687 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:07:50,699 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:07:50,699 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:07:50,701 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:07:50,702 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:07:50,704 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:07:50,706 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:07:50,707 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:07:50,708 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:07:50,708 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:07:50,709 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:07:50,710 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:07:50,711 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:07:50,712 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:07:50,713 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:07:50,713 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:07:50,718 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:07:50,722 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:07:50,726 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:07:50,728 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:07:50,730 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:07:50,730 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:07:50,733 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 12:07:50,733 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 12:07:50,734 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 12:07:50,735 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 12:07:50,736 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 12:07:50,738 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 12:07:50,738 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:07:50,741 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:07:50,742 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:07:50,742 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:07:50,744 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:07:50,744 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:07:50,746 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:07:50,746 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 12:07:50,746 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 12:07:50,748 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 12:07:50,749 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 12:07:50,798 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:07:50,814 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:07:50,818 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:07:50,820 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:07:50,821 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:07:50,822 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/loopAcceleration/loopAccelerationFastUPR/twoLoops_firstPart.bpl [2019-08-05 12:07:50,822 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/loopAcceleration/loopAccelerationFastUPR/twoLoops_firstPart.bpl' [2019-08-05 12:07:50,849 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:07:50,850 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 12:07:50,851 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:07:50,851 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:07:50,851 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:07:50,876 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "twoLoops_firstPart.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:50" (1/1) ... [2019-08-05 12:07:50,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "twoLoops_firstPart.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:50" (1/1) ... [2019-08-05 12:07:50,885 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "twoLoops_firstPart.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:50" (1/1) ... [2019-08-05 12:07:50,885 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "twoLoops_firstPart.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:50" (1/1) ... [2019-08-05 12:07:50,890 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "twoLoops_firstPart.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:50" (1/1) ... [2019-08-05 12:07:50,896 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "twoLoops_firstPart.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:50" (1/1) ... [2019-08-05 12:07:50,897 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "twoLoops_firstPart.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:50" (1/1) ... [2019-08-05 12:07:50,898 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:07:50,900 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:07:50,900 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:07:50,900 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:07:50,901 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "twoLoops_firstPart.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:50" (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 12:07:50,969 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 12:07:50,970 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 12:07:50,970 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 12:07:51,215 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:07:51,216 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:07:51,217 INFO L202 PluginConnector]: Adding new model twoLoops_firstPart.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:07:51 BoogieIcfgContainer [2019-08-05 12:07:51,218 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:07:51,218 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 12:07:51,218 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 12:07:51,218 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 12:07:51,224 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "twoLoops_firstPart.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:07:51" (1/1) ... [2019-08-05 12:07:51,235 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 12:07:51,240 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 12:07:51,252 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-05 12:07:51,261 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 12:07:51,262 INFO L184 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-05 12:07:51,501 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 8 [2019-08-05 12:07:51,621 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 12:07:51,622 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 12:07:51,625 INFO L178 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 23#(and (< main_x 503) (not (= main_x 501)) (not (< main_x 500))) [2019-08-05 12:07:51,631 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 12:07:51,634 INFO L168 Benchmark]: Toolchain (without parser) took 782.83 ms. Allocated memory is still 134.2 MB. Free memory was 111.6 MB in the beginning and 90.4 MB in the end (delta: 21.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:07:51,635 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 134.2 MB. Free memory was 112.6 MB in the beginning and 112.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 12:07:51,636 INFO L168 Benchmark]: Boogie Preprocessor took 48.18 ms. Allocated memory is still 134.2 MB. Free memory was 111.4 MB in the beginning and 109.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:07:51,637 INFO L168 Benchmark]: RCFGBuilder took 318.03 ms. Allocated memory is still 134.2 MB. Free memory was 109.2 MB in the beginning and 100.3 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2019-08-05 12:07:51,638 INFO L168 Benchmark]: Symbolic Interpretation took 413.79 ms. Allocated memory is still 134.2 MB. Free memory was 100.3 MB in the beginning and 90.4 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-08-05 12:07:51,642 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: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 134.2 MB. Free memory was 112.6 MB in the beginning and 112.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 48.18 ms. Allocated memory is still 134.2 MB. Free memory was 111.4 MB in the beginning and 109.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 318.03 ms. Allocated memory is still 134.2 MB. Free memory was 109.2 MB in the beginning and 100.3 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 413.79 ms. Allocated memory is still 134.2 MB. Free memory was 100.3 MB in the beginning and 90.4 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...