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/toy/tooDifficultLoopInvariant/HierarchicalTraceAbstraction/GeometricalIntegerCakeWithArray.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-04 21:47:07,119 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-04 21:47:07,121 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-04 21:47:07,133 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-04 21:47:07,134 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-04 21:47:07,135 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-04 21:47:07,137 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-04 21:47:07,139 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-04 21:47:07,141 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-04 21:47:07,143 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-04 21:47:07,145 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-04 21:47:07,145 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-04 21:47:07,145 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-04 21:47:07,146 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-04 21:47:07,147 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-04 21:47:07,149 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-04 21:47:07,149 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-04 21:47:07,150 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-04 21:47:07,152 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-04 21:47:07,154 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-04 21:47:07,156 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-04 21:47:07,157 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-04 21:47:07,159 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-04 21:47:07,159 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-04 21:47:07,162 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-04 21:47:07,165 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-04 21:47:07,166 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-04 21:47:07,167 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-04 21:47:07,167 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-04 21:47:07,170 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-04 21:47:07,170 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-04 21:47:07,171 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-04 21:47:07,172 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-04 21:47:07,175 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-04 21:47:07,176 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-04 21:47:07,176 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-04 21:47:07,177 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-04 21:47:07,178 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-04 21:47:07,178 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-04 21:47:07,179 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-04 21:47:07,180 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-04 21:47:07,224 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-04 21:47:07,238 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-04 21:47:07,241 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-04 21:47:07,243 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-04 21:47:07,243 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-04 21:47:07,244 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HierarchicalTraceAbstraction/GeometricalIntegerCakeWithArray.bpl [2019-08-04 21:47:07,244 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HierarchicalTraceAbstraction/GeometricalIntegerCakeWithArray.bpl' [2019-08-04 21:47:07,273 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-04 21:47:07,275 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-04 21:47:07,276 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-04 21:47:07,276 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-04 21:47:07,276 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-04 21:47:07,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "GeometricalIntegerCakeWithArray.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:47:07" (1/1) ... [2019-08-04 21:47:07,302 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "GeometricalIntegerCakeWithArray.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:47:07" (1/1) ... [2019-08-04 21:47:07,308 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-04 21:47:07,308 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-04 21:47:07,308 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-04 21:47:07,311 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-04 21:47:07,311 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-04 21:47:07,312 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-04 21:47:07,312 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-04 21:47:07,322 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "GeometricalIntegerCakeWithArray.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:47:07" (1/1) ... [2019-08-04 21:47:07,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "GeometricalIntegerCakeWithArray.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:47:07" (1/1) ... [2019-08-04 21:47:07,323 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "GeometricalIntegerCakeWithArray.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:47:07" (1/1) ... [2019-08-04 21:47:07,324 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "GeometricalIntegerCakeWithArray.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:47:07" (1/1) ... [2019-08-04 21:47:07,327 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "GeometricalIntegerCakeWithArray.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:47:07" (1/1) ... [2019-08-04 21:47:07,331 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "GeometricalIntegerCakeWithArray.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:47:07" (1/1) ... [2019-08-04 21:47:07,332 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "GeometricalIntegerCakeWithArray.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:47:07" (1/1) ... [2019-08-04 21:47:07,333 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-04 21:47:07,334 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-04 21:47:07,334 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-04 21:47:07,334 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-04 21:47:07,335 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "GeometricalIntegerCakeWithArray.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:47:07" (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 [2019-08-04 21:47:07,404 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-04 21:47:07,404 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-04 21:47:07,405 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-04 21:47:07,655 INFO L275 CfgBuilder]: Using library mode [2019-08-04 21:47:07,655 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-04 21:47:07,656 INFO L202 PluginConnector]: Adding new model GeometricalIntegerCakeWithArray.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 09:47:07 BoogieIcfgContainer [2019-08-04 21:47:07,656 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-04 21:47:07,657 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-04 21:47:07,657 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-04 21:47:07,660 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-04 21:47:07,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "GeometricalIntegerCakeWithArray.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:47:07" (1/2) ... [2019-08-04 21:47:07,662 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3deae004 and model type GeometricalIntegerCakeWithArray.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.08 09:47:07, skipping insertion in model container [2019-08-04 21:47:07,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "GeometricalIntegerCakeWithArray.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 09:47:07" (2/2) ... [2019-08-04 21:47:07,664 INFO L109 eAbstractionObserver]: Analyzing ICFG GeometricalIntegerCakeWithArray.bpl [2019-08-04 21:47:07,672 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-04 21:47:07,679 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-08-04 21:47:07,693 INFO L252 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-08-04 21:47:07,715 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-04 21:47:07,716 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-04 21:47:07,717 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-04 21:47:07,717 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-04 21:47:07,717 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-04 21:47:07,717 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-04 21:47:07,717 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-04 21:47:07,717 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-04 21:47:07,718 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-04 21:47:07,732 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2019-08-04 21:47:07,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-08-04 21:47:07,740 INFO L391 BasicCegarLoop]: Found error trace [2019-08-04 21:47:07,741 INFO L399 BasicCegarLoop]: trace histogram [1, 1] [2019-08-04 21:47:07,743 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONINVARIANTandASSERT, mainErr1ASSERT_VIOLATIONASSERT]=== [2019-08-04 21:47:07,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-04 21:47:07,749 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-08-04 21:47:07,797 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-04 21:47:07,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-04 21:47:07,840 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2019-08-04 21:47:07,845 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-04 21:47:08,126 WARN L188 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2019-08-04 21:47:08,127 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-04 21:47:08,128 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 1 case distinctions, treesize of input 11 treesize of output 29 [2019-08-04 21:47:08,129 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-04 21:47:08,217 INFO L567 ElimStorePlain]: treesize reduction 12, result has 62.5 percent of original size [2019-08-04 21:47:08,218 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-04 21:47:08,219 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:20 [2019-08-04 21:47:08,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-04 21:47:08,277 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-04 21:47:08,277 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-08-04 21:47:08,281 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-08-04 21:47:08,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-08-04 21:47:08,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-04 21:47:08,294 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 3 states. [2019-08-04 21:47:08,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-04 21:47:08,487 INFO L93 Difference]: Finished difference Result 13 states and 15 transitions. [2019-08-04 21:47:08,487 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-08-04 21:47:08,489 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2019-08-04 21:47:08,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-04 21:47:08,499 INFO L225 Difference]: With dead ends: 13 [2019-08-04 21:47:08,499 INFO L226 Difference]: Without dead ends: 8 [2019-08-04 21:47:08,501 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-04 21:47:08,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2019-08-04 21:47:08,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2019-08-04 21:47:08,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-08-04 21:47:08,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2019-08-04 21:47:08,534 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 2 [2019-08-04 21:47:08,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-04 21:47:08,535 INFO L475 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2019-08-04 21:47:08,535 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-08-04 21:47:08,535 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2019-08-04 21:47:08,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-08-04 21:47:08,536 INFO L391 BasicCegarLoop]: Found error trace [2019-08-04 21:47:08,536 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-08-04 21:47:08,536 INFO L418 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONINVARIANTandASSERT, mainErr1ASSERT_VIOLATIONASSERT]=== [2019-08-04 21:47:08,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-04 21:47:08,537 INFO L82 PathProgramCache]: Analyzing trace with hash 926592, now seen corresponding path program 1 times [2019-08-04 21:47:08,538 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-04 21:47:08,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-04 21:47:08,560 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2019-08-04 21:47:08,561 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-04 21:47:08,690 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-04 21:47:08,730 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-04 21:47:08,798 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 17 treesize of output 9 [2019-08-04 21:47:08,798 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-04 21:47:09,095 WARN L188 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2019-08-04 21:47:09,096 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-04 21:47:09,097 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 63 treesize of output 99 [2019-08-04 21:47:09,100 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-04 21:47:09,101 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-04 21:47:09,103 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-04 21:47:09,106 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-04 21:47:09,108 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-04 21:47:09,111 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-04 21:47:09,115 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-04 21:47:09,116 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-04 21:47:09,117 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-04 21:47:09,121 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-04 21:47:09,124 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-04 21:47:09,125 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-04 21:47:09,128 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-04 21:47:09,132 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-04 21:47:09,133 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-04 21:47:09,134 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-04 21:47:09,136 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-04 21:47:09,139 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-04 21:47:09,142 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-04 21:47:09,143 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-04 21:47:09,147 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-04 21:47:09,152 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-04 21:47:09,154 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-04 21:47:09,156 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-04 21:47:09,157 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-04 21:47:09,162 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-04 21:47:09,169 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-04 21:47:09,174 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-04 21:47:09,177 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-04 21:47:09,181 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-04 21:47:09,182 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-04 21:47:09,183 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-04 21:47:09,187 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-04 21:47:09,191 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-04 21:47:09,193 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-04 21:47:09,194 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-04 21:47:09,196 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-04 21:47:09,197 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-04 21:47:09,199 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-04 21:47:09,201 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-04 21:47:09,202 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-04 21:47:09,205 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-04 21:47:09,210 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-04 21:47:09,243 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: This case should habe been handled by DER at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.classify(DerPreprocessor.java:212) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.classify(DerPreprocessor.java:192) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.(DerPreprocessor.java:95) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:291) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:253) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:553) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:466) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:256) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:553) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:466) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:245) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:292) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:188) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.FixedRefinementStrategy.getTraceCheck(FixedRefinementStrategy.java:134) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:453) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:371) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-08-04 21:47:09,248 INFO L168 Benchmark]: Toolchain (without parser) took 1973.04 ms. Allocated memory was 138.9 MB in the beginning and 178.3 MB in the end (delta: 39.3 MB). Free memory was 107.4 MB in the beginning and 128.5 MB in the end (delta: -21.0 MB). Peak memory consumption was 58.6 MB. Max. memory is 7.1 GB. [2019-08-04 21:47:09,249 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory was 108.6 MB in the beginning and 108.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-04 21:47:09,251 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.41 ms. Allocated memory is still 138.9 MB. Free memory was 107.2 MB in the beginning and 105.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-04 21:47:09,251 INFO L168 Benchmark]: Boogie Preprocessor took 22.10 ms. Allocated memory is still 138.9 MB. Free memory was 105.5 MB in the beginning and 104.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-08-04 21:47:09,252 INFO L168 Benchmark]: RCFGBuilder took 322.41 ms. Allocated memory is still 138.9 MB. Free memory was 104.2 MB in the beginning and 94.7 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-08-04 21:47:09,253 INFO L168 Benchmark]: TraceAbstraction took 1589.02 ms. Allocated memory was 138.9 MB in the beginning and 178.3 MB in the end (delta: 39.3 MB). Free memory was 94.3 MB in the beginning and 128.5 MB in the end (delta: -34.2 MB). Peak memory consumption was 45.5 MB. Max. memory is 7.1 GB. [2019-08-04 21:47:09,258 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 138.9 MB. Free memory was 108.6 MB in the beginning and 108.4 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 35.41 ms. Allocated memory is still 138.9 MB. Free memory was 107.2 MB in the beginning and 105.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 22.10 ms. Allocated memory is still 138.9 MB. Free memory was 105.5 MB in the beginning and 104.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 322.41 ms. Allocated memory is still 138.9 MB. Free memory was 104.2 MB in the beginning and 94.7 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1589.02 ms. Allocated memory was 138.9 MB in the beginning and 178.3 MB in the end (delta: 39.3 MB). Free memory was 94.3 MB in the beginning and 128.5 MB in the end (delta: -34.2 MB). Peak memory consumption was 45.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: This case should habe been handled by DER de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: This case should habe been handled by DER: de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.classify(DerPreprocessor.java:212) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...