java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/programs/20181010-MemSafetyPathprograms/tree_of_cslls_true-valid-memsafety.i_51.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 10:59:57,493 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 10:59:57,495 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 10:59:57,507 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 10:59:57,507 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 10:59:57,508 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 10:59:57,510 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 10:59:57,512 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 10:59:57,513 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 10:59:57,514 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 10:59:57,515 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 10:59:57,516 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 10:59:57,516 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 10:59:57,517 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 10:59:57,518 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 10:59:57,519 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 10:59:57,520 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 10:59:57,521 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 10:59:57,523 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 10:59:57,525 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 10:59:57,527 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 10:59:57,528 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 10:59:57,529 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 10:59:57,530 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 10:59:57,534 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-05 10:59:57,538 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 10:59:57,540 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 10:59:57,541 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 10:59:57,543 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 10:59:57,544 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 10:59:57,544 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 10:59:57,545 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 10:59:57,546 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 10:59:57,546 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 10:59:57,547 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 10:59:57,547 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 10:59:57,578 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 10:59:57,590 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 10:59:57,593 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 10:59:57,595 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 10:59:57,595 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 10:59:57,596 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/tree_of_cslls_true-valid-memsafety.i_51.bpl [2019-08-05 10:59:57,596 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/tree_of_cslls_true-valid-memsafety.i_51.bpl' [2019-08-05 10:59:57,659 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 10:59:57,660 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 10:59:57,661 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 10:59:57,661 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 10:59:57,661 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 10:59:57,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "tree_of_cslls_true-valid-memsafety.i_51.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:59:57" (1/1) ... [2019-08-05 10:59:57,694 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "tree_of_cslls_true-valid-memsafety.i_51.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:59:57" (1/1) ... [2019-08-05 10:59:57,703 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 10:59:57,703 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 10:59:57,704 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 10:59:57,704 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 10:59:57,715 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "tree_of_cslls_true-valid-memsafety.i_51.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:59:57" (1/1) ... [2019-08-05 10:59:57,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "tree_of_cslls_true-valid-memsafety.i_51.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:59:57" (1/1) ... [2019-08-05 10:59:57,720 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "tree_of_cslls_true-valid-memsafety.i_51.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:59:57" (1/1) ... [2019-08-05 10:59:57,720 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "tree_of_cslls_true-valid-memsafety.i_51.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:59:57" (1/1) ... [2019-08-05 10:59:57,730 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "tree_of_cslls_true-valid-memsafety.i_51.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:59:57" (1/1) ... [2019-08-05 10:59:57,732 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "tree_of_cslls_true-valid-memsafety.i_51.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:59:57" (1/1) ... [2019-08-05 10:59:57,734 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "tree_of_cslls_true-valid-memsafety.i_51.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:59:57" (1/1) ... [2019-08-05 10:59:57,738 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 10:59:57,739 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 10:59:57,739 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 10:59:57,739 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 10:59:57,740 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "tree_of_cslls_true-valid-memsafety.i_51.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:59:57" (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 10:59:57,821 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 10:59:57,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 10:59:57,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 10:59:58,226 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 10:59:58,227 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 10:59:58,228 INFO L202 PluginConnector]: Adding new model tree_of_cslls_true-valid-memsafety.i_51.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:59:58 BoogieIcfgContainer [2019-08-05 10:59:58,228 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 10:59:58,230 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 10:59:58,230 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 10:59:58,233 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 10:59:58,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "tree_of_cslls_true-valid-memsafety.i_51.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:59:57" (1/2) ... [2019-08-05 10:59:58,234 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1efbd862 and model type tree_of_cslls_true-valid-memsafety.i_51.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 10:59:58, skipping insertion in model container [2019-08-05 10:59:58,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "tree_of_cslls_true-valid-memsafety.i_51.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:59:58" (2/2) ... [2019-08-05 10:59:58,237 INFO L109 eAbstractionObserver]: Analyzing ICFG tree_of_cslls_true-valid-memsafety.i_51.bpl [2019-08-05 10:59:58,246 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 10:59:58,255 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-05 10:59:58,282 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-05 10:59:58,334 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 10:59:58,336 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 10:59:58,336 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 10:59:58,336 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 10:59:58,336 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 10:59:58,337 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 10:59:58,337 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 10:59:58,337 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 10:59:58,338 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 10:59:58,354 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2019-08-05 10:59:58,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-08-05 10:59:58,363 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:59:58,364 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-08-05 10:59:58,367 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:59:58,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:59:58,375 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, now seen corresponding path program 1 times [2019-08-05 10:59:58,452 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:59:58,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:59:58,648 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 39 conjunts are in the unsatisfiable core [2019-08-05 10:59:58,655 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:59:58,729 INFO L392 ElimStorePlain]: Different costs {0=[|ULTIMATE.start_#Ultimate.alloc_old_#length|], 3=[|ULTIMATE.start_#Ultimate.alloc_old_#valid|]} [2019-08-05 10:59:58,781 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-05 10:59:58,782 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:59:58,982 WARN L188 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-08-05 10:59:58,984 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:59:59,054 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:59:59,055 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 39 [2019-08-05 10:59:59,057 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:59:59,058 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:59:59,062 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:59:59,064 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-05 10:59:59,367 WARN L188 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2019-08-05 10:59:59,368 INFO L567 ElimStorePlain]: treesize reduction 26, result has 82.7 percent of original size [2019-08-05 10:59:59,390 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 10:59:59,402 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 10:59:59,425 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 10:59:59,429 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 33 [2019-08-05 10:59:59,429 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-05 10:59:59,539 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2019-08-05 10:59:59,540 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:59:59,592 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 10:59:59,606 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 10:59:59,607 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 10:59:59,613 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 33 [2019-08-05 10:59:59,616 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-05 10:59:59,742 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2019-08-05 10:59:59,743 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:59:59,744 INFO L496 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:59:59,745 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 9 variables, input treesize:126, output treesize:82 [2019-08-05 10:59:59,880 INFO L392 ElimStorePlain]: Different costs {1=[|ULTIMATE.start_#Ultimate.alloc_old_#length|], 3=[|ULTIMATE.start_#Ultimate.alloc_old_#valid|]} [2019-08-05 10:59:59,909 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 10:59:59,911 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2019-08-05 10:59:59,912 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:59:59,994 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:00:00,018 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:00:00,019 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 32 [2019-08-05 11:00:00,021 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:00:00,022 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:00:00,023 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:00:00,024 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-05 11:00:00,159 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2019-08-05 11:00:00,160 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:00:00,230 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:00:00,253 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:00:00,276 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:00:00,279 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 23 [2019-08-05 11:00:00,281 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-05 11:00:00,570 WARN L188 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2019-08-05 11:00:00,572 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:00:00,625 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:00:00,631 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:00:00,633 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:00:00,635 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 13 [2019-08-05 11:00:00,635 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-05 11:00:00,664 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:00:00,665 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-05 11:00:00,665 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 8 variables, input treesize:114, output treesize:12 [2019-08-05 11:00:00,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 11:00:00,694 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 11:00:00,694 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-08-05 11:00:00,698 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-08-05 11:00:00,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-08-05 11:00:00,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-08-05 11:00:00,711 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2019-08-05 11:00:00,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 11:00:00,822 INFO L93 Difference]: Finished difference Result 7 states and 7 transitions. [2019-08-05 11:00:00,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-08-05 11:00:00,823 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2019-08-05 11:00:00,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 11:00:00,832 INFO L225 Difference]: With dead ends: 7 [2019-08-05 11:00:00,832 INFO L226 Difference]: Without dead ends: 7 [2019-08-05 11:00:00,834 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-08-05 11:00:00,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2019-08-05 11:00:00,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2019-08-05 11:00:00,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-08-05 11:00:00,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2019-08-05 11:00:00,869 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2019-08-05 11:00:00,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 11:00:00,869 INFO L475 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2019-08-05 11:00:00,870 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-08-05 11:00:00,870 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2019-08-05 11:00:00,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-08-05 11:00:00,870 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:00:00,871 INFO L399 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2019-08-05 11:00:00,871 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 11:00:00,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:00:00,872 INFO L82 PathProgramCache]: Analyzing trace with hash 889591169, now seen corresponding path program 1 times [2019-08-05 11:00:00,873 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:00:01,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 11:00:01,217 INFO L256 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 82 conjunts are in the unsatisfiable core [2019-08-05 11:00:01,220 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 11:00:01,297 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2019-08-05 11:00:01,298 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2019-08-05 11:00:01,360 INFO L567 ElimStorePlain]: treesize reduction 13, result has 89.2 percent of original size [2019-08-05 11:00:01,422 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:00:01,424 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:00:01,426 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:00:01,430 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 33 [2019-08-05 11:00:01,430 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-05 11:00:01,461 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:00:01,468 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:00:01,471 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:00:01,473 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:00:01,479 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 33 [2019-08-05 11:00:01,479 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-05 11:00:01,524 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:00:01,525 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-05 11:00:01,526 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 7 variables, input treesize:116, output treesize:60 [2019-08-05 11:00:01,596 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-05 11:00:01,617 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:00:01,617 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 29 [2019-08-05 11:00:01,618 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:00:01,619 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 11:00:01,709 INFO L567 ElimStorePlain]: treesize reduction 9, result has 90.5 percent of original size [2019-08-05 11:00:01,710 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 11:00:01,710 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:93, output treesize:86 [2019-08-05 11:00:01,876 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2019-08-05 11:00:01,894 INFO L392 ElimStorePlain]: Different costs {28=[|v_#memory_$Pointer$.offset_12|], 41=[|v_#memory_$Pointer$.base_12|]} [2019-08-05 11:00:01,911 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:00:01,914 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:00:01,916 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:00:01,922 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-05 11:00:01,929 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:00:02,080 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 41 [2019-08-05 11:00:02,080 INFO L341 Elim1Store]: treesize reduction 44, result has 72.3 percent of original size [2019-08-05 11:00:02,081 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 121 treesize of output 180 [2019-08-05 11:00:02,082 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:00:02,083 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 11:00:02,375 WARN L188 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 72 [2019-08-05 11:00:02,375 INFO L567 ElimStorePlain]: treesize reduction 58, result has 82.5 percent of original size [2019-08-05 11:00:02,380 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:00:02,405 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:00:02,414 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:00:02,416 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:00:02,898 WARN L188 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2019-08-05 11:00:02,899 INFO L341 Elim1Store]: treesize reduction 26, result has 88.7 percent of original size [2019-08-05 11:00:02,900 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 157 treesize of output 265 [2019-08-05 11:00:02,903 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:00:02,904 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:00:02,905 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 11:00:02,922 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:00:02,923 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:00:02,926 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:00:02,927 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:00:02,929 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:00:02,930 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:00:02,936 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 11:00:02,939 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:00:02,944 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:00:02,946 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:00:02,947 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:00:02,947 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:00:02,949 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:00:02,957 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-05 11:00:03,488 WARN L188 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 69 [2019-08-05 11:00:03,488 INFO L567 ElimStorePlain]: treesize reduction 2627, result has 6.8 percent of original size [2019-08-05 11:00:03,490 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 11:00:03,491 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:00:03,492 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:00:03,495 INFO L496 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2019-08-05 11:00:03,495 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 8 variables, input treesize:286, output treesize:164 [2019-08-05 11:00:03,496 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 11:00:03,496 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 11:00:03,582 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 11:00:03,584 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 11:00:03,757 WARN L188 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 49 [2019-08-05 11:00:03,836 INFO L392 ElimStorePlain]: Different costs {1=[|ULTIMATE.start_#Ultimate.alloc_old_#length|], 11=[|ULTIMATE.start_#Ultimate.alloc_old_#valid|]} [2019-08-05 11:00:03,854 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:00:03,862 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 97 [2019-08-05 11:00:03,863 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 11:00:03,874 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:00:03,889 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 149 [2019-08-05 11:00:03,893 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-05 11:00:03,909 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:00:03,913 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 106 [2019-08-05 11:00:03,914 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-05 11:00:04,036 WARN L188 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 43 [2019-08-05 11:00:04,037 INFO L567 ElimStorePlain]: treesize reduction 250, result has 27.3 percent of original size [2019-08-05 11:00:04,057 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:00:04,057 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 30 [2019-08-05 11:00:04,058 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:00:04,059 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:00:04,060 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-05 11:00:04,157 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:00:04,179 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 23 [2019-08-05 11:00:04,180 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-05 11:00:04,213 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:00:04,217 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2019-08-05 11:00:04,218 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-05 11:00:04,229 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:00:04,230 INFO L496 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-05 11:00:04,230 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 10 variables, input treesize:347, output treesize:12 [2019-08-05 11:00:04,279 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 11:00:04,280 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 11:00:04,280 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2019-08-05 11:00:04,283 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-08-05 11:00:04,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-08-05 11:00:04,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-08-05 11:00:04,287 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 6 states. [2019-08-05 11:00:04,481 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 47 [2019-08-05 11:00:04,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 11:00:04,491 INFO L93 Difference]: Finished difference Result 5 states and 5 transitions. [2019-08-05 11:00:04,492 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-08-05 11:00:04,492 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 6 [2019-08-05 11:00:04,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 11:00:04,493 INFO L225 Difference]: With dead ends: 5 [2019-08-05 11:00:04,493 INFO L226 Difference]: Without dead ends: 0 [2019-08-05 11:00:04,495 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-08-05 11:00:04,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-08-05 11:00:04,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-08-05 11:00:04,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-08-05 11:00:04,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-08-05 11:00:04,496 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2019-08-05 11:00:04,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 11:00:04,496 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-08-05 11:00:04,496 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-08-05 11:00:04,496 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-08-05 11:00:04,497 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-08-05 11:00:04,502 INFO L202 PluginConnector]: Adding new model tree_of_cslls_true-valid-memsafety.i_51.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 11:00:04 BoogieIcfgContainer [2019-08-05 11:00:04,502 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 11:00:04,504 INFO L168 Benchmark]: Toolchain (without parser) took 6843.38 ms. Allocated memory was 140.5 MB in the beginning and 243.3 MB in the end (delta: 102.8 MB). Free memory was 106.4 MB in the beginning and 72.0 MB in the end (delta: 34.4 MB). Peak memory consumption was 137.1 MB. Max. memory is 7.1 GB. [2019-08-05 11:00:04,504 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 140.5 MB. Free memory is still 108.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 11:00:04,505 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.25 ms. Allocated memory is still 140.5 MB. Free memory was 106.4 MB in the beginning and 104.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-05 11:00:04,505 INFO L168 Benchmark]: Boogie Preprocessor took 34.80 ms. Allocated memory is still 140.5 MB. Free memory was 104.8 MB in the beginning and 103.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-05 11:00:04,506 INFO L168 Benchmark]: RCFGBuilder took 489.88 ms. Allocated memory is still 140.5 MB. Free memory was 103.0 MB in the beginning and 83.0 MB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. [2019-08-05 11:00:04,507 INFO L168 Benchmark]: TraceAbstraction took 6272.05 ms. Allocated memory was 140.5 MB in the beginning and 243.3 MB in the end (delta: 102.8 MB). Free memory was 82.5 MB in the beginning and 72.0 MB in the end (delta: 10.5 MB). Peak memory consumption was 113.3 MB. Max. memory is 7.1 GB. [2019-08-05 11:00:04,510 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 0.23 ms. Allocated memory is still 140.5 MB. Free memory is still 108.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 42.25 ms. Allocated memory is still 140.5 MB. Free memory was 106.4 MB in the beginning and 104.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 34.80 ms. Allocated memory is still 140.5 MB. Free memory was 104.8 MB in the beginning and 103.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 489.88 ms. Allocated memory is still 140.5 MB. Free memory was 103.0 MB in the beginning and 83.0 MB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 6272.05 ms. Allocated memory was 140.5 MB in the beginning and 243.3 MB in the end (delta: 102.8 MB). Free memory was 82.5 MB in the beginning and 72.0 MB in the end (delta: 10.5 MB). Peak memory consumption was 113.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 277]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. SAFE Result, 6.1s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4 SDtfs, 0 SDslu, 2 SDs, 0 SdLazy, 15 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.1s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 1 QuantifiedInterpolants, 1910 SizeOfPredicates, 85 NumberOfNonLiveVariables, 316 ConjunctsInSsa, 121 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1/2 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...