java -ea -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_array_compound_exp_cong.epf -i ../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/ArrayInit01.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c30ebe1 [2018-12-17 14:42:36,403 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-17 14:42:36,405 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-17 14:42:36,417 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-17 14:42:36,418 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-17 14:42:36,419 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-17 14:42:36,420 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-17 14:42:36,422 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-17 14:42:36,424 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-17 14:42:36,425 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-17 14:42:36,428 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-17 14:42:36,429 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-17 14:42:36,430 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-17 14:42:36,433 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-17 14:42:36,438 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-17 14:42:36,439 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-17 14:42:36,440 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-17 14:42:36,442 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-17 14:42:36,444 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-17 14:42:36,446 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-17 14:42:36,447 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-17 14:42:36,448 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-17 14:42:36,451 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-17 14:42:36,451 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-17 14:42:36,452 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-17 14:42:36,453 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-17 14:42:36,454 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-17 14:42:36,455 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-17 14:42:36,456 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-17 14:42:36,457 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-17 14:42:36,457 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-17 14:42:36,458 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-12-17 14:42:36,461 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_array_compound_exp_cong.epf [2018-12-17 14:42:36,485 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-17 14:42:36,489 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-17 14:42:36,490 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2018-12-17 14:42:36,490 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2018-12-17 14:42:36,491 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-17 14:42:36,492 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-17 14:42:36,492 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-17 14:42:36,492 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-17 14:42:36,492 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-17 14:42:36,492 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-17 14:42:36,495 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2018-12-17 14:42:36,495 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-17 14:42:36,495 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-17 14:42:36,496 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-17 14:42:36,496 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-17 14:42:36,497 INFO L133 SettingsManager]: * Use SBE=true [2018-12-17 14:42:36,497 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-17 14:42:36,497 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-17 14:42:36,497 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-17 14:42:36,497 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-17 14:42:36,498 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-17 14:42:36,498 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-17 14:42:36,498 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-17 14:42:36,498 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-17 14:42:36,499 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-17 14:42:36,499 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-17 14:42:36,499 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-17 14:42:36,499 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-17 14:42:36,500 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-17 14:42:36,500 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-17 14:42:36,501 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-17 14:42:36,501 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-17 14:42:36,501 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-17 14:42:36,501 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-17 14:42:36,502 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-17 14:42:36,502 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-17 14:42:36,502 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-17 14:42:36,502 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-17 14:42:36,503 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-12-17 14:42:36,533 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-17 14:42:36,546 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-17 14:42:36,550 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-17 14:42:36,551 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-12-17 14:42:36,552 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-12-17 14:42:36,552 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/ArrayInit01.bpl [2018-12-17 14:42:36,553 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/ArrayInit01.bpl' [2018-12-17 14:42:36,585 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-17 14:42:36,586 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-12-17 14:42:36,587 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-17 14:42:36,587 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-17 14:42:36,588 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-17 14:42:36,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 02:42:36" (1/1) ... [2018-12-17 14:42:36,617 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 02:42:36" (1/1) ... [2018-12-17 14:42:36,623 WARN L165 Inliner]: Program contained no entry procedure! [2018-12-17 14:42:36,624 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-12-17 14:42:36,624 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-12-17 14:42:36,626 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-17 14:42:36,627 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-17 14:42:36,627 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-17 14:42:36,627 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-17 14:42:36,639 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 02:42:36" (1/1) ... [2018-12-17 14:42:36,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 02:42:36" (1/1) ... [2018-12-17 14:42:36,640 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 02:42:36" (1/1) ... [2018-12-17 14:42:36,641 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 02:42:36" (1/1) ... [2018-12-17 14:42:36,644 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 02:42:36" (1/1) ... [2018-12-17 14:42:36,648 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 02:42:36" (1/1) ... [2018-12-17 14:42:36,649 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 02:42:36" (1/1) ... [2018-12-17 14:42:36,650 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-17 14:42:36,651 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-17 14:42:36,651 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-17 14:42:36,651 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-17 14:42:36,652 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 02:42:36" (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 [2018-12-17 14:42:36,723 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-12-17 14:42:36,723 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-17 14:42:36,723 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-17 14:42:37,053 INFO L272 CfgBuilder]: Using library mode [2018-12-17 14:42:37,053 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-17 14:42:37,054 INFO L202 PluginConnector]: Adding new model ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 02:42:37 BoogieIcfgContainer [2018-12-17 14:42:37,054 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-17 14:42:37,054 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-12-17 14:42:37,055 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-12-17 14:42:37,055 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-12-17 14:42:37,056 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 02:42:37" (1/1) ... [2018-12-17 14:42:37,090 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-17 14:42:41,161 FATAL L210 ngHoareTripleChecker]: Soundness check failed for the following hoare triple [2018-12-17 14:42:41,161 FATAL L212 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2018-12-17 14:42:41,162 FATAL L214 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2018-12-17 14:42:41,163 FATAL L218 ngHoareTripleChecker]: -- [2018-12-17 14:42:41,164 FATAL L219 ngHoareTripleChecker]: Pre: {2147483633#(or (and (= c_j 0) (= c_i 0)) (and (= c_j 0) (not (= c_n 0)) (not (= c_i 0))))} [2018-12-17 14:42:41,167 FATAL L223 ngHoareTripleChecker]: Action: assume i < n;a := a[i := 0];i := i + 1; [2018-12-17 14:42:41,169 FATAL L184 hOps$ForEachOp$OfRef]: ActionStr: (and (= c_i_primed (+ c_i 1)) (= c_a_primed (store c_a c_i 0)) (< c_i c_n)) [2018-12-17 14:42:41,169 FATAL L225 ngHoareTripleChecker]: Post: {2147483632#(exists ((v_b_14_1 Int) (v_b_13_1 Int) (v_v_145_1 Int)) (and (forall ((v_idx_26 Int) (v_idx_27 Int) (v_idx_28 Int)) (or (<= v_b_14_1 v_idx_27) (= (select c_a v_idx_27) 0) (<= v_b_13_1 v_idx_26) (< v_idx_27 v_b_13_1) (< v_idx_28 v_b_14_1))) (= v_v_145_1 0) (= c_j 0) (not (= c_n 0)) (not (= v_b_13_1 0))))} [2018-12-17 14:42:41,173 FATAL L263 ngHoareTripleChecker]: -- [2018-12-17 14:42:41,174 FATAL L264 ngHoareTripleChecker]: Simplified triple [2018-12-17 14:42:41,326 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 11 [2018-12-17 14:42:41,327 FATAL L265 ngHoareTripleChecker]: Pre: {2147483633#(or (and (= j 0) (= i 0)) (and (= j 0) (not (= n 0))))} [2018-12-17 14:42:41,327 FATAL L269 ngHoareTripleChecker]: Action: assume i < n;a := a[i := 0];i := i + 1; [2018-12-17 14:42:41,328 FATAL L184 hOps$ForEachOp$OfRef]: ActionStr: (and (= c_i_primed (+ c_i 1)) (= c_a_primed (store c_a c_i 0)) (< c_i c_n)) [2018-12-17 14:42:41,656 FATAL L271 ngHoareTripleChecker]: Post: {2147483632#(and (= j 0) (not (= n 0)) (exists ((v_b_14_1 Int) (v_b_13_1 Int)) (and (forall ((v_idx_27 Int)) (or (<= v_b_14_1 v_idx_27) (= (select a v_idx_27) 0) (< v_idx_27 v_b_13_1))) (not (= v_b_13_1 0)))))} [2018-12-17 14:42:43,927 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-17 14:42:43,944 INFO L272 AbstractInterpreter]: Visited 6 different actions 21 times. Merged at 5 different actions 15 times. Widened at 1 different actions 1 times. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2018-12-17 14:42:43,946 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-12-17 14:42:43,948 INFO L168 Benchmark]: Toolchain (without parser) took 7362.51 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 200.9 MB). Peak memory consumption was 200.9 MB. Max. memory is 7.1 GB. [2018-12-17 14:42:43,950 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-12-17 14:42:43,952 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.42 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-12-17 14:42:43,953 INFO L168 Benchmark]: Boogie Preprocessor took 23.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-12-17 14:42:43,953 INFO L168 Benchmark]: RCFGBuilder took 403.19 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-12-17 14:42:43,955 INFO L168 Benchmark]: Abstract Interpretation took 6892.19 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 179.8 MB). Peak memory consumption was 179.8 MB. Max. memory is 7.1 GB. [2018-12-17 14:42:43,959 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - GenericResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 39.42 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 23.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 403.19 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 6892.19 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 179.8 MB). Peak memory consumption was 179.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 34]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L26] i := 0; [L27] assume j == i; [L29] COND FALSE !(i < n) [L33] assume 0 <= r && r < n; [L34] assert a[r] == 0; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...