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 -s ../../../trunk/examples/settings/ai/array-bench/reach_32bit_camel.epf -i ../../../trunk/examples/programs/heapseparator/speedup-poc-dd-9-limited.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-1ae3202 [2019-03-04 16:25:42,237 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-03-04 16:25:42,239 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-03-04 16:25:42,250 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-03-04 16:25:42,251 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-03-04 16:25:42,252 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-03-04 16:25:42,253 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-03-04 16:25:42,255 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-03-04 16:25:42,256 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-03-04 16:25:42,257 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-03-04 16:25:42,258 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2019-03-04 16:25:42,286 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_camel.epf [2019-03-04 16:25:42,312 INFO L110 SettingsManager]: Loading preferences was successful [2019-03-04 16:25:42,312 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-03-04 16:25:42,313 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-03-04 16:25:42,313 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-03-04 16:25:42,314 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-03-04 16:25:42,315 INFO L133 SettingsManager]: * User list type=DISABLED [2019-03-04 16:25:42,315 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-03-04 16:25:42,315 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-03-04 16:25:42,315 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-03-04 16:25:42,315 INFO L133 SettingsManager]: * Underlying domain=OctagonDomain [2019-03-04 16:25:42,316 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2019-03-04 16:25:42,316 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-03-04 16:25:42,316 INFO L133 SettingsManager]: * Interval Domain=false [2019-03-04 16:25:42,317 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-03-04 16:25:42,318 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-03-04 16:25:42,318 INFO L133 SettingsManager]: * Use SBE=true [2019-03-04 16:25:42,318 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-03-04 16:25:42,319 INFO L133 SettingsManager]: * sizeof long=4 [2019-03-04 16:25:42,321 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-03-04 16:25:42,321 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-03-04 16:25:42,321 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-03-04 16:25:42,321 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-03-04 16:25:42,321 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-03-04 16:25:42,322 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-03-04 16:25:42,322 INFO L133 SettingsManager]: * sizeof long double=12 [2019-03-04 16:25:42,322 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-03-04 16:25:42,322 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-03-04 16:25:42,323 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-03-04 16:25:42,323 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-03-04 16:25:42,323 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-03-04 16:25:42,323 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-03-04 16:25:42,323 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-03-04 16:25:42,324 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-03-04 16:25:42,324 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-03-04 16:25:42,324 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-03-04 16:25:42,324 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-03-04 16:25:42,325 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-03-04 16:25:42,325 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-03-04 16:25:42,325 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-03-04 16:25:42,378 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-03-04 16:25:42,390 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-03-04 16:25:42,393 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-03-04 16:25:42,395 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-03-04 16:25:42,395 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-03-04 16:25:42,396 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/heapseparator/speedup-poc-dd-9-limited.bpl [2019-03-04 16:25:42,396 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/heapseparator/speedup-poc-dd-9-limited.bpl' [2019-03-04 16:25:42,438 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-03-04 16:25:42,440 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-03-04 16:25:42,440 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-03-04 16:25:42,440 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-03-04 16:25:42,441 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-03-04 16:25:42,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "speedup-poc-dd-9-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 04:25:42" (1/1) ... [2019-03-04 16:25:42,468 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "speedup-poc-dd-9-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 04:25:42" (1/1) ... [2019-03-04 16:25:42,496 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-03-04 16:25:42,497 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-03-04 16:25:42,498 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-03-04 16:25:42,498 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-03-04 16:25:42,508 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "speedup-poc-dd-9-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 04:25:42" (1/1) ... [2019-03-04 16:25:42,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "speedup-poc-dd-9-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 04:25:42" (1/1) ... [2019-03-04 16:25:42,511 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "speedup-poc-dd-9-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 04:25:42" (1/1) ... [2019-03-04 16:25:42,512 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "speedup-poc-dd-9-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 04:25:42" (1/1) ... [2019-03-04 16:25:42,516 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "speedup-poc-dd-9-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 04:25:42" (1/1) ... [2019-03-04 16:25:42,520 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "speedup-poc-dd-9-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 04:25:42" (1/1) ... [2019-03-04 16:25:42,521 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "speedup-poc-dd-9-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 04:25:42" (1/1) ... [2019-03-04 16:25:42,523 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-03-04 16:25:42,524 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-03-04 16:25:42,524 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-03-04 16:25:42,524 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-03-04 16:25:42,525 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "speedup-poc-dd-9-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 04:25:42" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-03-04 16:25:42,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-03-04 16:25:42,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-03-04 16:25:43,141 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-03-04 16:25:43,142 INFO L286 CfgBuilder]: Removed 21 assue(true) statements. [2019-03-04 16:25:43,143 INFO L202 PluginConnector]: Adding new model speedup-poc-dd-9-limited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 04:25:43 BoogieIcfgContainer [2019-03-04 16:25:43,144 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-03-04 16:25:43,145 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-03-04 16:25:43,146 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-03-04 16:25:43,149 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-03-04 16:25:43,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "speedup-poc-dd-9-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 04:25:42" (1/2) ... [2019-03-04 16:25:43,150 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52e6eaba and model type speedup-poc-dd-9-limited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 04:25:43, skipping insertion in model container [2019-03-04 16:25:43,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "speedup-poc-dd-9-limited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 04:25:43" (2/2) ... [2019-03-04 16:25:43,155 INFO L112 eAbstractionObserver]: Analyzing ICFG speedup-poc-dd-9-limited.bpl [2019-03-04 16:25:43,165 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-03-04 16:25:43,178 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 9 error locations. [2019-03-04 16:25:43,195 INFO L257 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2019-03-04 16:25:43,232 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-03-04 16:25:43,233 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-03-04 16:25:43,233 INFO L383 AbstractCegarLoop]: Hoare is true [2019-03-04 16:25:43,233 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-03-04 16:25:43,233 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-03-04 16:25:43,233 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-03-04 16:25:43,234 INFO L387 AbstractCegarLoop]: Difference is false [2019-03-04 16:25:43,234 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-03-04 16:25:43,234 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-03-04 16:25:43,256 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2019-03-04 16:25:43,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-03-04 16:25:43,271 INFO L394 BasicCegarLoop]: Found error trace [2019-03-04 16:25:43,272 INFO L402 BasicCegarLoop]: trace histogram [1, 1] [2019-03-04 16:25:43,276 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr6ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr7ASSERT_VIOLATIONASSERT, ULTIMATE.startErr5ASSERT_VIOLATIONASSERT, ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr8ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4ASSERT_VIOLATIONASSERT]=== [2019-03-04 16:25:43,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-03-04 16:25:43,286 INFO L82 PathProgramCache]: Analyzing trace with hash 1000, now seen corresponding path program 1 times [2019-03-04 16:25:43,288 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-03-04 16:25:43,289 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-03-04 16:25:43,334 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-03-04 16:25:43,335 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-03-04 16:25:43,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-03-04 16:25:43,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-03-04 16:25:43,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-03-04 16:25:43,496 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-03-04 16:25:43,496 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-03-04 16:25:43,501 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-03-04 16:25:43,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-03-04 16:25:43,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-03-04 16:25:43,518 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 3 states. [2019-03-04 16:25:43,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-03-04 16:25:43,787 INFO L93 Difference]: Finished difference Result 41 states and 57 transitions. [2019-03-04 16:25:43,788 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-03-04 16:25:43,789 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2019-03-04 16:25:43,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-03-04 16:25:43,802 INFO L225 Difference]: With dead ends: 41 [2019-03-04 16:25:43,802 INFO L226 Difference]: Without dead ends: 36 [2019-03-04 16:25:43,806 INFO L631 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 [2019-03-04 16:25:43,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2019-03-04 16:25:43,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 20. [2019-03-04 16:25:43,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-03-04 16:25:43,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 37 transitions. [2019-03-04 16:25:43,857 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 37 transitions. Word has length 2 [2019-03-04 16:25:43,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-03-04 16:25:43,859 INFO L480 AbstractCegarLoop]: Abstraction has 20 states and 37 transitions. [2019-03-04 16:25:43,859 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-03-04 16:25:43,859 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 37 transitions. [2019-03-04 16:25:43,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-03-04 16:25:43,860 INFO L394 BasicCegarLoop]: Found error trace [2019-03-04 16:25:43,860 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-03-04 16:25:43,860 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr6ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr7ASSERT_VIOLATIONASSERT, ULTIMATE.startErr5ASSERT_VIOLATIONASSERT, ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr8ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4ASSERT_VIOLATIONASSERT]=== [2019-03-04 16:25:43,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-03-04 16:25:43,861 INFO L82 PathProgramCache]: Analyzing trace with hash 30388, now seen corresponding path program 1 times [2019-03-04 16:25:43,861 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-03-04 16:25:43,861 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-03-04 16:25:43,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-03-04 16:25:43,862 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-03-04 16:25:43,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-03-04 16:25:43,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-03-04 16:25:44,100 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-03-04 16:25:44,100 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-03-04 16:25:44,100 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-03-04 16:25:44,119 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-03-04 16:25:44,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-03-04 16:25:44,153 WARN L254 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 21 conjunts are in the unsatisfiable core [2019-03-04 16:25:44,159 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-03-04 16:25:44,252 INFO L453 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 33 [2019-03-04 16:25:44,309 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,312 INFO L453 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2019-03-04 16:25:44,357 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,369 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,392 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,395 INFO L453 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 37 [2019-03-04 16:25:44,423 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,425 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,428 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,436 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,441 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,446 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,451 INFO L453 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 39 [2019-03-04 16:25:44,477 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,481 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,483 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,485 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,510 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,512 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,516 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,517 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,519 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,521 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,527 INFO L453 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 41 [2019-03-04 16:25:44,575 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,582 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,583 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,587 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,589 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,590 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,594 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,596 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,600 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,602 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,604 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,606 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,607 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,610 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,612 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,615 INFO L453 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 43 [2019-03-04 16:25:44,657 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,659 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,661 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,663 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,665 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,669 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,670 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,672 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,674 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,677 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,679 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,713 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,742 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,754 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,771 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,773 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,774 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,775 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,777 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,779 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,781 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,781 INFO L301 Elim1Store]: Index analysis took 134 ms [2019-03-04 16:25:44,785 INFO L453 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 45 [2019-03-04 16:25:44,832 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,854 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,879 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,886 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,895 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,897 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,899 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,900 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,901 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,903 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,905 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,907 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,910 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,912 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,914 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,916 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,918 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,920 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,922 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,924 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,926 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,928 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,930 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,932 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,934 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,936 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,938 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,940 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,941 INFO L301 Elim1Store]: Index analysis took 124 ms [2019-03-04 16:25:44,945 INFO L453 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 47 [2019-03-04 16:25:44,973 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,975 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,977 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,979 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,982 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,984 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,989 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,991 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,993 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,995 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,997 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:44,999 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:45,001 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:45,003 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:45,005 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:45,007 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:45,009 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:45,011 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:45,013 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:45,015 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:45,016 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:45,018 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:45,025 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:45,027 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:45,028 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:45,030 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:45,032 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:45,035 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:45,037 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:45,039 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:45,041 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:45,043 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:45,047 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:45,048 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:45,053 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:45,055 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:45,058 INFO L453 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 46 [2019-03-04 16:25:45,059 INFO L309 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2019-03-04 16:25:45,092 INFO L309 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-03-04 16:25:45,217 INFO L309 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-03-04 16:25:45,433 INFO L309 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-03-04 16:25:45,470 INFO L309 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-03-04 16:25:45,518 INFO L309 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-03-04 16:25:45,587 INFO L309 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-03-04 16:25:45,619 INFO L309 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-03-04 16:25:45,652 INFO L309 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-03-04 16:25:45,761 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:45,763 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:45,764 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:45,766 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:45,769 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:45,776 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:45,777 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:45,778 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:45,779 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:45,792 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:45,799 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:45,801 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:45,803 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:45,805 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:45,807 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:45,808 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:45,839 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:45,841 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:45,843 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:45,844 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:45,844 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:45,849 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:45,850 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:45,855 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:45,856 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:45,857 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:45,862 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:45,863 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:45,864 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:45,865 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:45,866 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:45,867 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:45,868 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:45,871 INFO L453 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 16 [2019-03-04 16:25:45,872 INFO L309 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2019-03-04 16:25:45,878 INFO L309 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-03-04 16:25:45,880 INFO L309 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-03-04 16:25:45,881 INFO L309 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-03-04 16:25:45,883 INFO L309 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-03-04 16:25:45,885 INFO L309 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-03-04 16:25:45,937 INFO L309 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 2 dim-1 vars, End of recursive call: 7 dim-0 vars, and 1 xjuncts. [2019-03-04 16:25:45,938 INFO L209 ElimStorePlain]: Needed 16 recursive calls to eliminate 9 variables, input treesize:149, output treesize:70 [2019-03-04 16:25:46,003 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:46,005 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:46,007 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:46,009 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:46,011 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:46,013 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:46,015 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:46,016 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:46,018 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:46,031 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:46,032 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:46,033 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:46,034 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:46,035 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:46,036 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:46,037 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:46,045 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:46,070 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:46,071 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:46,072 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:46,072 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:46,073 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:46,091 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:46,101 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:46,102 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:46,102 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:46,103 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:46,104 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:46,109 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:46,110 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:46,111 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:46,112 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:46,112 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:46,113 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:46,114 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:46,116 INFO L188 IndexEqualityManager]: detected not equals via solver [2019-03-04 16:25:46,116 INFO L301 Elim1Store]: Index analysis took 115 ms [2019-03-04 16:25:46,119 INFO L453 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 51 [2019-03-04 16:25:46,120 INFO L309 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-03-04 16:25:46,230 INFO L309 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 1 dim-1 vars, End of recursive call: 8 dim-0 vars, and 1 xjuncts. [2019-03-04 16:25:46,231 INFO L209 ElimStorePlain]: Needed 2 recursive calls to eliminate 9 variables, input treesize:80, output treesize:72 [2019-03-04 16:25:49,085 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-03-04 16:25:49,106 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-03-04 16:25:49,106 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2] total 4 [2019-03-04 16:25:49,107 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-03-04 16:25:49,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-03-04 16:25:49,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=16, Unknown=1, NotChecked=0, Total=30 [2019-03-04 16:25:49,108 INFO L87 Difference]: Start difference. First operand 20 states and 37 transitions. Second operand 6 states. [2019-03-04 16:26:12,197 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2019-03-04 16:26:12,199 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:123) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.pop(Scriptor.java:139) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.DiffWrapperScript.pop(DiffWrapperScript.java:102) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.pop(ManagedScript.java:131) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.unAssertPostcondition(IncrementalHoareTripleChecker.java:652) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.clearAssertionStack(IncrementalHoareTripleChecker.java:256) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.releaseLock(IncrementalHoareTripleChecker.java:271) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.ProtectiveHoareTripleChecker.releaseLock(ProtectiveHoareTripleChecker.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.EfficientHoareTripleChecker.releaseLock(EfficientHoareTripleChecker.java:164) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.CachingHoareTripleChecker.releaseLock(CachingHoareTripleChecker.java:202) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.switchToReadonlyMode(AbstractInterpolantAutomaton.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:715) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:628) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:472) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) 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) Caused by: java.io.IOException: Stream Closed at java.io.FileOutputStream.writeBytes(Native Method) at java.io.FileOutputStream.write(FileOutputStream.java:326) at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:82) at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:140) at sun.nio.cs.StreamEncoder.implFlush(StreamEncoder.java:297) at sun.nio.cs.StreamEncoder.flush(StreamEncoder.java:141) at java.io.OutputStreamWriter.flush(OutputStreamWriter.java:229) at java.io.BufferedWriter.flush(BufferedWriter.java:254) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:120) ... 28 more [2019-03-04 16:26:12,203 INFO L168 Benchmark]: Toolchain (without parser) took 29764.45 ms. Allocated memory was 139.5 MB in the beginning and 202.4 MB in the end (delta: 62.9 MB). Free memory was 105.5 MB in the beginning and 105.1 MB in the end (delta: 364.5 kB). Peak memory consumption was 63.3 MB. Max. memory is 7.1 GB. [2019-03-04 16:26:12,207 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 139.5 MB. Free memory is still 106.9 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-03-04 16:26:12,208 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.76 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 103.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-03-04 16:26:12,209 INFO L168 Benchmark]: Boogie Preprocessor took 26.00 ms. Allocated memory is still 139.5 MB. Free memory was 103.1 MB in the beginning and 101.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-03-04 16:26:12,210 INFO L168 Benchmark]: RCFGBuilder took 620.80 ms. Allocated memory is still 139.5 MB. Free memory was 101.7 MB in the beginning and 87.8 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. [2019-03-04 16:26:12,211 INFO L168 Benchmark]: TraceAbstraction took 29056.83 ms. Allocated memory was 139.5 MB in the beginning and 202.4 MB in the end (delta: 62.9 MB). Free memory was 87.6 MB in the beginning and 105.1 MB in the end (delta: -17.5 MB). Peak memory consumption was 45.4 MB. Max. memory is 7.1 GB. [2019-03-04 16:26:12,216 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 139.5 MB. Free memory is still 106.9 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 56.76 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 103.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 26.00 ms. Allocated memory is still 139.5 MB. Free memory was 103.1 MB in the beginning and 101.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 620.80 ms. Allocated memory is still 139.5 MB. Free memory was 101.7 MB in the beginning and 87.8 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 29056.83 ms. Allocated memory was 139.5 MB in the beginning and 202.4 MB in the end (delta: 62.9 MB). Free memory was 87.6 MB in the beginning and 105.1 MB in the end (delta: -17.5 MB). Peak memory consumption was 45.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken: de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:123) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...