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/toy/tooDifficultLoopInvariant/LuxembourgOctopus.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:49:20,491 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:49:20,493 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:49:20,504 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:49:20,504 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:49:20,505 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:49:20,507 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:49:20,508 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:49:20,510 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:49:20,511 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:49:20,512 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:49:20,512 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:49:20,513 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:49:20,513 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:49:20,514 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:49:20,516 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:49:20,516 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:49:20,517 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:49:20,519 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:49:20,522 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:49:20,524 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:49:20,525 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:49:20,526 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:49:20,527 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:49:20,529 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:49:20,530 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:49:20,530 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:49:20,531 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:49:20,532 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:49:20,533 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:49:20,533 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:49:20,534 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:49:20,535 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:49:20,535 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:49:20,536 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:49:20,537 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:49:20,537 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:49:20,538 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:49:20,538 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:49:20,539 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:49:20,539 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:49:20,591 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:49:20,607 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:49:20,610 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:49:20,612 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:49:20,612 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:49:20,613 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/LuxembourgOctopus.bpl [2019-08-05 11:49:20,613 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/LuxembourgOctopus.bpl' [2019-08-05 11:49:20,647 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:49:20,649 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 11:49:20,650 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:49:20,650 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:49:20,650 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:49:20,675 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "LuxembourgOctopus.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:49:20" (1/1) ... [2019-08-05 11:49:20,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "LuxembourgOctopus.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:49:20" (1/1) ... [2019-08-05 11:49:20,685 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "LuxembourgOctopus.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:49:20" (1/1) ... [2019-08-05 11:49:20,685 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "LuxembourgOctopus.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:49:20" (1/1) ... [2019-08-05 11:49:20,690 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "LuxembourgOctopus.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:49:20" (1/1) ... [2019-08-05 11:49:20,695 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "LuxembourgOctopus.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:49:20" (1/1) ... [2019-08-05 11:49:20,696 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "LuxembourgOctopus.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:49:20" (1/1) ... [2019-08-05 11:49:20,698 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:49:20,699 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:49:20,700 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:49:20,700 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:49:20,702 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "LuxembourgOctopus.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:49:20" (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 11:49:20,769 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 11:49:20,770 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 11:49:20,770 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 11:49:21,015 INFO L275 CfgBuilder]: Using library mode [2019-08-05 11:49:21,016 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-05 11:49:21,018 INFO L202 PluginConnector]: Adding new model LuxembourgOctopus.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:49:21 BoogieIcfgContainer [2019-08-05 11:49:21,018 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:49:21,018 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 11:49:21,019 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 11:49:21,019 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 11:49:21,022 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "LuxembourgOctopus.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:49:21" (1/1) ... [2019-08-05 11:49:21,034 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 11:49:21,038 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 11:49:21,055 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-05 11:49:21,063 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 11:49:21,065 INFO L184 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-05 11:49:21,314 WARN L188 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2019-08-05 11:49:21,514 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 20 [2019-08-05 11:49:21,551 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 11:49:21,551 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 11:49:21,554 INFO L178 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 23#(and (= main_x (+ main_z 1000)) (not (<= main_y 0))) [2019-08-05 11:49:21,563 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 11:49:21,565 INFO L168 Benchmark]: Toolchain (without parser) took 915.51 ms. Allocated memory is still 135.3 MB. Free memory was 111.4 MB in the beginning and 86.8 MB in the end (delta: 24.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. [2019-08-05 11:49:21,567 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 135.3 MB. Free memory was 112.7 MB in the beginning and 112.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 11:49:21,568 INFO L168 Benchmark]: Boogie Preprocessor took 48.98 ms. Allocated memory is still 135.3 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 11:49:21,569 INFO L168 Benchmark]: RCFGBuilder took 318.79 ms. Allocated memory is still 135.3 MB. Free memory was 109.2 MB in the beginning and 100.5 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. [2019-08-05 11:49:21,570 INFO L168 Benchmark]: Symbolic Interpretation took 544.60 ms. Allocated memory is still 135.3 MB. Free memory was 100.5 MB in the beginning and 86.8 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. [2019-08-05 11:49:21,574 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 25]: 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 0.19 ms. Allocated memory is still 135.3 MB. Free memory was 112.7 MB in the beginning and 112.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 48.98 ms. Allocated memory is still 135.3 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 318.79 ms. Allocated memory is still 135.3 MB. Free memory was 109.2 MB in the beginning and 100.5 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 544.60 ms. Allocated memory is still 135.3 MB. Free memory was 100.5 MB in the beginning and 86.8 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...