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/loopAccelerationAbstractPathConditions.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b03553c [2019-08-05 18:17:12,930 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:17:12,932 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:17:12,944 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:17:12,944 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:17:12,945 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:17:12,947 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:17:12,952 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:17:12,954 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:17:12,955 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:17:12,956 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:17:12,957 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:17:12,957 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:17:12,958 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:17:12,959 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:17:12,961 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:17:12,961 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:17:12,962 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:17:12,965 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:17:12,967 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:17:12,969 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:17:12,970 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:17:12,971 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:17:12,972 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:17:12,975 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:17:12,975 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:17:12,975 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:17:12,976 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:17:12,977 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:17:12,978 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:17:12,978 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:17:12,979 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:17:12,980 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:17:12,981 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:17:12,983 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:17:12,983 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:17:12,984 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:17:12,984 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:17:12,984 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:17:12,985 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:17:12,986 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:17:13,014 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:17:13,029 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:17:13,033 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:17:13,034 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:17:13,036 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:17:13,037 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/loopAcceleration/loopAccelerationAbstractPathConditions.bpl [2019-08-05 18:17:13,037 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/loopAcceleration/loopAccelerationAbstractPathConditions.bpl' [2019-08-05 18:17:13,082 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:17:13,084 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:17:13,085 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:17:13,085 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:17:13,086 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:17:13,111 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "loopAccelerationAbstractPathConditions.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:17:13" (1/1) ... [2019-08-05 18:17:13,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "loopAccelerationAbstractPathConditions.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:17:13" (1/1) ... [2019-08-05 18:17:13,122 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "loopAccelerationAbstractPathConditions.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:17:13" (1/1) ... [2019-08-05 18:17:13,122 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "loopAccelerationAbstractPathConditions.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:17:13" (1/1) ... [2019-08-05 18:17:13,126 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "loopAccelerationAbstractPathConditions.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:17:13" (1/1) ... [2019-08-05 18:17:13,133 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "loopAccelerationAbstractPathConditions.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:17:13" (1/1) ... [2019-08-05 18:17:13,134 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "loopAccelerationAbstractPathConditions.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:17:13" (1/1) ... [2019-08-05 18:17:13,135 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:17:13,136 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:17:13,137 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:17:13,137 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:17:13,140 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "loopAccelerationAbstractPathConditions.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:17:13" (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 18:17:13,212 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 18:17:13,213 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 18:17:13,213 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 18:17:13,527 INFO L275 CfgBuilder]: Using library mode [2019-08-05 18:17:13,527 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 18:17:13,530 INFO L202 PluginConnector]: Adding new model loopAccelerationAbstractPathConditions.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:17:13 BoogieIcfgContainer [2019-08-05 18:17:13,530 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:17:13,531 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:17:13,534 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:17:13,535 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:17:13,536 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "loopAccelerationAbstractPathConditions.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:17:13" (1/1) ... [2019-08-05 18:17:13,553 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 18:17:13,556 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:17:13,565 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-05 18:17:13,574 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:17:13,576 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-05 18:17:13,687 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:17:13,687 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:17:13,690 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 24#(and (< i (+ n 1)) (< 12 k) (not (< i n))) [2019-08-05 18:17:13,691 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:17:13,698 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:17:13,701 INFO L168 Benchmark]: Toolchain (without parser) took 616.75 ms. Allocated memory is still 140.0 MB. Free memory was 108.3 MB in the beginning and 90.1 MB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 7.1 GB. [2019-08-05 18:17:13,703 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 109.6 MB in the beginning and 109.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-08-05 18:17:13,704 INFO L168 Benchmark]: Boogie Preprocessor took 51.05 ms. Allocated memory is still 140.0 MB. Free memory was 108.3 MB in the beginning and 106.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 18:17:13,706 INFO L168 Benchmark]: RCFGBuilder took 393.94 ms. Allocated memory is still 140.0 MB. Free memory was 106.1 MB in the beginning and 95.2 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2019-08-05 18:17:13,707 INFO L168 Benchmark]: Symbolic Interpretation took 167.85 ms. Allocated memory is still 140.0 MB. Free memory was 95.2 MB in the beginning and 90.1 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. [2019-08-05 18:17:13,711 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 27]: 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 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 109.6 MB in the beginning and 109.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 51.05 ms. Allocated memory is still 140.0 MB. Free memory was 108.3 MB in the beginning and 106.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 393.94 ms. Allocated memory is still 140.0 MB. Free memory was 106.1 MB in the beginning and 95.2 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 167.85 ms. Allocated memory is still 140.0 MB. Free memory was 95.2 MB in the beginning and 90.1 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...