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/Interactive/input/boogie/stmt-multiassign-bug1.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:12:34,417 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:12:34,419 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:12:34,432 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:12:34,433 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:12:34,434 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:12:34,436 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:12:34,437 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:12:34,439 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:12:34,440 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:12:34,441 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:12:34,442 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:12:34,442 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:12:34,443 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:12:34,444 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:12:34,445 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:12:34,446 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:12:34,447 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:12:34,449 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:12:34,451 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:12:34,453 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:12:34,454 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:12:34,456 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:12:34,457 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:12:34,459 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-05 12:12:34,463 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:12:34,464 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:12:34,464 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:12:34,465 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:12:34,467 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:12:34,467 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:12:34,468 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:12:34,468 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2019-08-05 12:12:34,471 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 12:12:34,484 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:12:34,484 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:12:34,485 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:12:34,485 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:12:34,485 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:12:34,486 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:12:34,486 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:12:34,486 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:12:34,486 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:12:34,486 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:12:34,487 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:12:34,487 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:12:34,487 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:12:34,487 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:12:34,488 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:12:34,488 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:12:34,488 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:12:34,489 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:12:34,489 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:12:34,489 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:12:34,489 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:12:34,489 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:12:34,490 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:12:34,490 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:12:34,490 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:12:34,490 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:12:34,490 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:12:34,491 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:12:34,491 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:12:34,491 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:12:34,491 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:12:34,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:12:34,492 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:12:34,492 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:12:34,492 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:12:34,492 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:12:34,492 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:12:34,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:12:34,493 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:12:34,493 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:12:34,531 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:12:34,545 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:12:34,549 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:12:34,550 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:12:34,551 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:12:34,551 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/Interactive/input/boogie/stmt-multiassign-bug1.bpl [2019-08-05 12:12:34,552 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/Interactive/input/boogie/stmt-multiassign-bug1.bpl' [2019-08-05 12:12:34,577 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:12:34,579 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:12:34,579 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:12:34,580 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:12:34,580 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:12:34,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "stmt-multiassign-bug1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:12:34" (1/1) ... [2019-08-05 12:12:34,606 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "stmt-multiassign-bug1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:12:34" (1/1) ... [2019-08-05 12:12:34,614 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:12:34,615 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:12:34,615 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:12:34,615 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:12:34,627 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "stmt-multiassign-bug1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:12:34" (1/1) ... [2019-08-05 12:12:34,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "stmt-multiassign-bug1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:12:34" (1/1) ... [2019-08-05 12:12:34,628 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "stmt-multiassign-bug1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:12:34" (1/1) ... [2019-08-05 12:12:34,629 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "stmt-multiassign-bug1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:12:34" (1/1) ... [2019-08-05 12:12:34,632 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "stmt-multiassign-bug1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:12:34" (1/1) ... [2019-08-05 12:12:34,634 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "stmt-multiassign-bug1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:12:34" (1/1) ... [2019-08-05 12:12:34,635 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "stmt-multiassign-bug1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:12:34" (1/1) ... [2019-08-05 12:12:34,636 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:12:34,637 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:12:34,637 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:12:34,637 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:12:34,644 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "stmt-multiassign-bug1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:12:34" (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 12:12:34,717 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 12:12:34,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 12:12:34,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 12:12:34,970 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 12:12:34,971 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:12:34,973 INFO L202 PluginConnector]: Adding new model stmt-multiassign-bug1.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:12:34 BoogieIcfgContainer [2019-08-05 12:12:34,973 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:12:34,974 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:12:34,974 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:12:34,975 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:12:34,975 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "stmt-multiassign-bug1.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:12:34" (1/1) ... [2019-08-05 12:12:35,010 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:12:35,096 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:12:35,115 INFO L272 AbstractInterpreter]: Visited 8 different actions 8 times. Never merged. Never widened. Performed 16 root evaluator evaluations with a maximum evaluation depth of 3. Performed 16 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 0 variables. [2019-08-05 12:12:35,116 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:12:35,119 INFO L168 Benchmark]: Toolchain (without parser) took 539.19 ms. Allocated memory is still 134.7 MB. Free memory was 108.8 MB in the beginning and 90.9 MB in the end (delta: 17.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 7.1 GB. [2019-08-05 12:12:35,121 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 134.7 MB. Free memory was 109.8 MB in the beginning and 109.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-05 12:12:35,122 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.09 ms. Allocated memory is still 134.7 MB. Free memory was 108.6 MB in the beginning and 106.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-05 12:12:35,124 INFO L168 Benchmark]: Boogie Preprocessor took 21.79 ms. Allocated memory is still 134.7 MB. Free memory was 106.8 MB in the beginning and 105.9 MB in the end (delta: 969.7 kB). Peak memory consumption was 969.7 kB. Max. memory is 7.1 GB. [2019-08-05 12:12:35,125 INFO L168 Benchmark]: RCFGBuilder took 336.29 ms. Allocated memory is still 134.7 MB. Free memory was 105.9 MB in the beginning and 97.1 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. [2019-08-05 12:12:35,126 INFO L168 Benchmark]: Abstract Interpretation took 141.76 ms. Allocated memory is still 134.7 MB. Free memory was 96.8 MB in the beginning and 90.9 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 7.1 GB. [2019-08-05 12:12:35,134 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 0.18 ms. Allocated memory is still 134.7 MB. Free memory was 109.8 MB in the beginning and 109.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 35.09 ms. Allocated memory is still 134.7 MB. Free memory was 108.6 MB in the beginning and 106.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 21.79 ms. Allocated memory is still 134.7 MB. Free memory was 106.8 MB in the beginning and 105.9 MB in the end (delta: 969.7 kB). Peak memory consumption was 969.7 kB. Max. memory is 7.1 GB. * RCFGBuilder took 336.29 ms. Allocated memory is still 134.7 MB. Free memory was 105.9 MB in the beginning and 97.1 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 141.76 ms. Allocated memory is still 134.7 MB. Free memory was 96.8 MB in the beginning and 90.9 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 14]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L8] assume x >= 0 && x <= 10; [L9] y := 3; [L10] assert true; [L11] b, z := x <= y, 5; [L13] assert z == 5; [L14] assert x < 3; - PositiveResult [Line: 13]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 10]: assertion always holds For all program executions holds that assertion always holds at this location RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...