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 0.1.24-3b9210c [2019-08-06 16:59:53,935 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:59:53,937 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:59:53,949 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:59:53,949 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:59:53,951 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:59:53,952 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:59:53,954 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:59:53,955 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:59:53,956 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:59:53,957 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:59:53,958 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:59:53,959 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:59:53,960 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:59:53,964 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:59:53,965 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:59:53,966 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:59:53,967 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:59:53,969 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:59:53,971 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:59:53,977 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:59:53,978 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:59:53,979 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:59:53,980 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:59:53,984 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:59:53,984 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:59:53,984 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:59:53,986 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:59:53,987 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:59:53,988 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:59:53,988 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:59:53,990 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:59:53,991 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:59:53,993 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:59:53,994 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:59:53,994 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:59:53,995 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:59:53,995 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:59:53,995 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:59:53,997 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:59:53,998 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:59:54,038 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:59:54,050 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:59:54,054 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:59:54,055 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:59:54,056 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:59:54,058 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/loopAcceleration/loopAccelerationWerner/twoLoopsSameVars.bpl [2019-08-06 16:59:54,058 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/loopAcceleration/loopAccelerationWerner/twoLoopsSameVars.bpl' [2019-08-06 16:59:54,093 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:59:54,095 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:59:54,096 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:59:54,096 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:59:54,096 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:59:54,117 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "twoLoopsSameVars.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:54" (1/1) ... [2019-08-06 16:59:54,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "twoLoopsSameVars.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:54" (1/1) ... [2019-08-06 16:59:54,127 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "twoLoopsSameVars.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:54" (1/1) ... [2019-08-06 16:59:54,127 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "twoLoopsSameVars.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:54" (1/1) ... [2019-08-06 16:59:54,129 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "twoLoopsSameVars.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:54" (1/1) ... [2019-08-06 16:59:54,134 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "twoLoopsSameVars.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:54" (1/1) ... [2019-08-06 16:59:54,135 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "twoLoopsSameVars.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:54" (1/1) ... [2019-08-06 16:59:54,136 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:59:54,137 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:59:54,137 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:59:54,137 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:59:54,139 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "twoLoopsSameVars.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:54" (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 [2019-08-06 16:59:54,209 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-06 16:59:54,210 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-06 16:59:54,210 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-06 16:59:54,508 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:59:54,508 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:59:54,510 INFO L202 PluginConnector]: Adding new model twoLoopsSameVars.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:59:54 BoogieIcfgContainer [2019-08-06 16:59:54,510 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:59:54,510 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:59:54,511 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:59:54,511 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:59:54,512 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "twoLoopsSameVars.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:59:54" (1/1) ... [2019-08-06 16:59:54,526 INFO L148 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-08-06 16:59:54,531 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:59:54,541 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-06 16:59:54,550 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:59:54,552 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-06 16:59:54,681 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:59:54,681 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:59:54,684 INFO L179 IcfgInterpreter]: Location mainErr1ASSERT_VIOLATIONASSERT has predicate 41#(and (< main_x 10001) (not (< main_x 10000)) (not (= main_x 10000))) [2019-08-06 16:59:54,685 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 44#(and (not (= main_x 5000)) (not (< main_x 5000)) (< main_x 5001)) [2019-08-06 16:59:54,686 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:59:54,693 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:59:54,696 INFO L168 Benchmark]: Toolchain (without parser) took 600.54 ms. Allocated memory is still 141.0 MB. Free memory was 109.4 MB in the beginning and 92.2 MB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:54,698 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.26 ms. Allocated memory is still 141.0 MB. Free memory was 110.6 MB in the beginning and 110.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-08-06 16:59:54,699 INFO L168 Benchmark]: Boogie Preprocessor took 41.02 ms. Allocated memory is still 141.0 MB. Free memory was 109.4 MB in the beginning and 107.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:54,700 INFO L168 Benchmark]: RCFGBuilder took 372.94 ms. Allocated memory is still 141.0 MB. Free memory was 107.2 MB in the beginning and 97.8 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:54,701 INFO L168 Benchmark]: Symbolic Interpretation took 183.30 ms. Allocated memory is still 141.0 MB. Free memory was 97.8 MB in the beginning and 92.2 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:54,705 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 0.26 ms. Allocated memory is still 141.0 MB. Free memory was 110.6 MB in the beginning and 110.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 41.02 ms. Allocated memory is still 141.0 MB. Free memory was 109.4 MB in the beginning and 107.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 372.94 ms. Allocated memory is still 141.0 MB. Free memory was 107.2 MB in the beginning and 97.8 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 183.30 ms. Allocated memory is still 141.0 MB. Free memory was 97.8 MB in the beginning and 92.2 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...