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/twoLoopsSameVars.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b03553c [2019-08-05 18:17:11,259 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:17:11,261 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:17:11,275 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:17:11,275 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:17:11,276 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:17:11,280 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:17:11,283 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:17:11,286 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:17:11,288 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:17:11,290 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:17:11,291 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:17:11,292 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:17:11,293 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:17:11,294 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:17:11,295 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:17:11,296 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:17:11,304 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:17:11,306 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:17:11,308 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:17:11,310 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:17:11,310 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:17:11,312 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:17:11,312 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:17:11,314 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:17:11,315 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:17:11,315 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:17:11,316 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:17:11,316 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:17:11,317 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:17:11,317 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:17:11,318 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:17:11,319 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:17:11,320 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:17:11,321 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:17:11,321 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:17:11,321 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:17:11,322 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:17:11,322 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:17:11,323 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:17:11,323 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:17:11,350 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:17:11,361 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:17:11,365 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:17:11,366 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:17:11,367 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:17:11,367 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/loopAcceleration/loopAccelerationWerner/twoLoopsSameVars.bpl [2019-08-05 18:17:11,368 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/loopAcceleration/loopAccelerationWerner/twoLoopsSameVars.bpl' [2019-08-05 18:17:11,391 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:17:11,393 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:17:11,393 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:17:11,393 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:17:11,393 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:17:11,416 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "twoLoopsSameVars.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:17:11" (1/1) ... [2019-08-05 18:17:11,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "twoLoopsSameVars.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:17:11" (1/1) ... [2019-08-05 18:17:11,424 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "twoLoopsSameVars.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:17:11" (1/1) ... [2019-08-05 18:17:11,424 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "twoLoopsSameVars.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:17:11" (1/1) ... [2019-08-05 18:17:11,427 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "twoLoopsSameVars.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:17:11" (1/1) ... [2019-08-05 18:17:11,431 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "twoLoopsSameVars.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:17:11" (1/1) ... [2019-08-05 18:17:11,432 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "twoLoopsSameVars.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:17:11" (1/1) ... [2019-08-05 18:17:11,433 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:17:11,434 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:17:11,434 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:17:11,435 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:17:11,435 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "twoLoopsSameVars.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:17:11" (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 18:17:11,514 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 18:17:11,515 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 18:17:11,515 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 18:17:11,817 INFO L275 CfgBuilder]: Using library mode [2019-08-05 18:17:11,817 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 18:17:11,818 INFO L202 PluginConnector]: Adding new model twoLoopsSameVars.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:17:11 BoogieIcfgContainer [2019-08-05 18:17:11,818 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:17:11,819 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:17:11,819 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:17:11,819 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:17:11,820 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "twoLoopsSameVars.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:17:11" (1/1) ... [2019-08-05 18:17:11,829 INFO L148 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-08-05 18:17:11,832 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:17:11,839 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-05 18:17:11,848 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:17:11,849 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-05 18:17:11,952 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:17:11,952 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:17:11,955 INFO L179 IcfgInterpreter]: Location mainErr1ASSERT_VIOLATIONASSERT has predicate 41#(and (< main_x 10001) (not (< main_x 10000)) (not (= main_x 10000))) [2019-08-05 18:17:11,956 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 44#(and (not (= main_x 5000)) (not (< main_x 5000)) (< main_x 5001)) [2019-08-05 18:17:11,957 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:17:11,964 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:17:11,967 INFO L168 Benchmark]: Toolchain (without parser) took 573.04 ms. Allocated memory is still 137.9 MB. Free memory was 106.5 MB in the beginning and 89.3 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 7.1 GB. [2019-08-05 18:17:11,968 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory was 107.6 MB in the beginning and 107.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-05 18:17:11,970 INFO L168 Benchmark]: Boogie Preprocessor took 40.51 ms. Allocated memory is still 137.9 MB. Free memory was 106.3 MB in the beginning and 104.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-05 18:17:11,971 INFO L168 Benchmark]: RCFGBuilder took 384.29 ms. Allocated memory is still 137.9 MB. Free memory was 104.2 MB in the beginning and 94.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-08-05 18:17:11,972 INFO L168 Benchmark]: Symbolic Interpretation took 145.53 ms. Allocated memory is still 137.9 MB. Free memory was 94.8 MB in the beginning and 89.3 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2019-08-05 18:17:11,976 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - 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: - UnprovableResult [Line: 16]: 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 0.21 ms. Allocated memory is still 137.9 MB. Free memory was 107.6 MB in the beginning and 107.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 40.51 ms. Allocated memory is still 137.9 MB. Free memory was 106.3 MB in the beginning and 104.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 384.29 ms. Allocated memory is still 137.9 MB. Free memory was 104.2 MB in the beginning and 94.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 145.53 ms. Allocated memory is still 137.9 MB. Free memory was 94.8 MB in the beginning and 89.3 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...