java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationInline.xml -s ../../../trunk/examples/settings/ai/array-bench/reach_32bit_compound_exp_cong.epf -i ../../../trunk/examples/programs/abstractInterpretation/regression/oct/stmt-assign-relational-twoVar.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:18:45,394 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:18:45,398 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:18:45,413 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:18:45,414 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:18:45,415 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:18:45,417 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:18:45,420 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:18:45,422 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:18:45,423 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:18:45,426 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:18:45,427 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:18:45,427 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:18:45,428 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:18:45,429 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:18:45,432 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:18:45,434 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:18:45,442 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:18:45,445 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:18:45,450 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:18:45,454 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:18:45,455 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:18:45,458 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:18:45,458 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:18:45,462 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 12:18:45,462 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 12:18:45,463 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 12:18:45,464 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 12:18:45,465 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 12:18:45,466 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 12:18:45,466 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:18:45,467 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:18:45,468 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:18:45,469 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:18:45,472 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:18:45,472 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:18:45,473 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:18:45,473 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 12:18:45,474 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 12:18:45,474 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 12:18:45,478 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 12:18:45,479 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_compound_exp_cong.epf [2019-08-05 12:18:45,491 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:18:45,491 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:18:45,492 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:18:45,492 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:18:45,493 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:18:45,493 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:18:45,493 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:18:45,493 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:18:45,494 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:18:45,494 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:18:45,494 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:18:45,494 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:18:45,494 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:18:45,495 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:18:45,495 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:18:45,495 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:18:45,496 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:18:45,496 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:18:45,496 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:18:45,496 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:18:45,496 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:18:45,497 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:18:45,497 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:18:45,497 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:18:45,497 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:18:45,497 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:18:45,498 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:18:45,498 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:18:45,498 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:18:45,498 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:18:45,498 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:18:45,499 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:18:45,499 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:18:45,499 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:18:45,499 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:18:45,499 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:18:45,500 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:18:45,500 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:18:45,500 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:18:45,500 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:18:45,528 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:18:45,539 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:18:45,542 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:18:45,544 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:18:45,544 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:18:45,545 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/oct/stmt-assign-relational-twoVar.bpl [2019-08-05 12:18:45,545 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/oct/stmt-assign-relational-twoVar.bpl' [2019-08-05 12:18:45,576 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:18:45,578 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:18:45,579 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:18:45,579 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:18:45,579 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:18:45,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "stmt-assign-relational-twoVar.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:45" (1/1) ... [2019-08-05 12:18:45,602 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "stmt-assign-relational-twoVar.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:45" (1/1) ... [2019-08-05 12:18:45,609 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:18:45,610 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:18:45,610 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:18:45,611 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:18:45,621 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "stmt-assign-relational-twoVar.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:45" (1/1) ... [2019-08-05 12:18:45,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "stmt-assign-relational-twoVar.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:45" (1/1) ... [2019-08-05 12:18:45,622 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "stmt-assign-relational-twoVar.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:45" (1/1) ... [2019-08-05 12:18:45,623 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "stmt-assign-relational-twoVar.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:45" (1/1) ... [2019-08-05 12:18:45,625 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "stmt-assign-relational-twoVar.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:45" (1/1) ... [2019-08-05 12:18:45,626 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "stmt-assign-relational-twoVar.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:45" (1/1) ... [2019-08-05 12:18:45,627 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "stmt-assign-relational-twoVar.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:45" (1/1) ... [2019-08-05 12:18:45,628 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:18:45,629 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:18:45,629 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:18:45,629 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:18:45,630 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "stmt-assign-relational-twoVar.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:45" (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:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:18:45,692 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 12:18:45,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 12:18:45,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 12:18:45,939 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 12:18:45,940 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:18:45,942 INFO L202 PluginConnector]: Adding new model stmt-assign-relational-twoVar.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:18:45 BoogieIcfgContainer [2019-08-05 12:18:45,942 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:18:45,943 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:18:45,943 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:18:45,943 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:18:45,944 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "stmt-assign-relational-twoVar.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:18:45" (1/1) ... [2019-08-05 12:18:45,977 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:18:46,102 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:18:46,123 INFO L272 AbstractInterpreter]: Visited 8 different actions 8 times. Never merged. Never widened. Performed 24 root evaluator evaluations with a maximum evaluation depth of 3. Performed 24 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 0 variables. [2019-08-05 12:18:46,124 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:18:46,127 INFO L168 Benchmark]: Toolchain (without parser) took 547.52 ms. Allocated memory is still 134.2 MB. Free memory was 107.0 MB in the beginning and 88.9 MB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 7.1 GB. [2019-08-05 12:18:46,128 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 134.2 MB. Free memory was 108.2 MB in the beginning and 108.0 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-05 12:18:46,129 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.36 ms. Allocated memory is still 134.2 MB. Free memory was 107.0 MB in the beginning and 105.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-05 12:18:46,130 INFO L168 Benchmark]: Boogie Preprocessor took 17.91 ms. Allocated memory is still 134.2 MB. Free memory was 105.3 MB in the beginning and 104.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:18:46,131 INFO L168 Benchmark]: RCFGBuilder took 313.42 ms. Allocated memory is still 134.2 MB. Free memory was 104.2 MB in the beginning and 95.1 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:18:46,132 INFO L168 Benchmark]: Abstract Interpretation took 181.18 ms. Allocated memory is still 134.2 MB. Free memory was 94.9 MB in the beginning and 88.9 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 7.1 GB. [2019-08-05 12:18:46,137 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * 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 134.2 MB. Free memory was 108.2 MB in the beginning and 108.0 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 31.36 ms. Allocated memory is still 134.2 MB. Free memory was 107.0 MB in the beginning and 105.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 17.91 ms. Allocated memory is still 134.2 MB. Free memory was 105.3 MB in the beginning and 104.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 313.42 ms. Allocated memory is still 134.2 MB. Free memory was 104.2 MB in the beginning and 95.1 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 181.18 ms. Allocated memory is still 134.2 MB. Free memory was 94.9 MB in the beginning and 88.9 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 8]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L5] havoc x, y; [L6] assume 2 <= x + y && y + x <= 4; [L7] rel := x + y; [L8] assert 2 <= rel && rel <= 4; - UnprovableResult [Line: 13]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L5] havoc x, y; [L6] assume 2 <= x + y && y + x <= 4; [L7] rel := x + y; [L8] assert 2 <= rel && rel <= 4; [L10] havoc x, y; [L11] assume -3 <= x - y && x - y <= -1; [L12] rel := x - y; [L13] assert -3 <= rel && rel <= -1; - UnprovableResult [Line: 18]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L5] havoc x, y; [L6] assume 2 <= x + y && y + x <= 4; [L7] rel := x + y; [L8] assert 2 <= rel && rel <= 4; [L10] havoc x, y; [L11] assume -3 <= x - y && x - y <= -1; [L12] rel := x - y; [L13] assert -3 <= rel && rel <= -1; [L15] havoc x, y; [L16] assume -2 <= y - x && y - x <= 3; [L17] rel := y - x; [L18] assert -2 <= rel && rel <= 3; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...