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-1-limited.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-1ae3202 [2019-03-04 16:23:54,949 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-03-04 16:23:54,951 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-03-04 16:23:54,967 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-03-04 16:23:55,007 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 16:23:55,029 INFO L110 SettingsManager]: Loading preferences was successful [2019-03-04 16:23:55,030 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-03-04 16:23:55,031 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-03-04 16:23:55,033 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-03-04 16:23:55,033 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-03-04 16:23:55,033 INFO L133 SettingsManager]: * User list type=DISABLED [2019-03-04 16:23:55,034 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-03-04 16:23:55,034 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-03-04 16:23:55,035 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-03-04 16:23:55,035 INFO L133 SettingsManager]: * Underlying domain=OctagonDomain [2019-03-04 16:23:55,035 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2019-03-04 16:23:55,035 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-03-04 16:23:55,035 INFO L133 SettingsManager]: * Interval Domain=false [2019-03-04 16:23:55,036 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-03-04 16:23:55,036 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-03-04 16:23:55,037 INFO L133 SettingsManager]: * Use SBE=true [2019-03-04 16:23:55,038 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-03-04 16:23:55,038 INFO L133 SettingsManager]: * sizeof long=4 [2019-03-04 16:23:55,039 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-03-04 16:23:55,039 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-03-04 16:23:55,039 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-03-04 16:23:55,039 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-03-04 16:23:55,039 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-03-04 16:23:55,040 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-03-04 16:23:55,041 INFO L133 SettingsManager]: * sizeof long double=12 [2019-03-04 16:23:55,041 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-03-04 16:23:55,041 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-03-04 16:23:55,041 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-03-04 16:23:55,042 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-03-04 16:23:55,042 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-03-04 16:23:55,042 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-03-04 16:23:55,043 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-03-04 16:23:55,043 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-03-04 16:23:55,043 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-03-04 16:23:55,043 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-03-04 16:23:55,043 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-03-04 16:23:55,043 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-03-04 16:23:55,044 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-03-04 16:23:55,044 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-03-04 16:23:55,084 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-03-04 16:23:55,096 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-03-04 16:23:55,099 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-03-04 16:23:55,100 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-03-04 16:23:55,101 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-03-04 16:23:55,102 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/heapseparator/speedup-poc-dd-1-limited.bpl [2019-03-04 16:23:55,102 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/heapseparator/speedup-poc-dd-1-limited.bpl' [2019-03-04 16:23:55,131 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-03-04 16:23:55,133 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-03-04 16:23:55,134 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-03-04 16:23:55,134 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-03-04 16:23:55,134 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-03-04 16:23:55,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "speedup-poc-dd-1-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 04:23:55" (1/1) ... [2019-03-04 16:23:55,163 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "speedup-poc-dd-1-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 04:23:55" (1/1) ... [2019-03-04 16:23:55,185 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-03-04 16:23:55,186 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-03-04 16:23:55,186 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-03-04 16:23:55,186 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-03-04 16:23:55,197 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "speedup-poc-dd-1-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 04:23:55" (1/1) ... [2019-03-04 16:23:55,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "speedup-poc-dd-1-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 04:23:55" (1/1) ... [2019-03-04 16:23:55,198 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "speedup-poc-dd-1-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 04:23:55" (1/1) ... [2019-03-04 16:23:55,199 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "speedup-poc-dd-1-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 04:23:55" (1/1) ... [2019-03-04 16:23:55,201 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "speedup-poc-dd-1-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 04:23:55" (1/1) ... [2019-03-04 16:23:55,204 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "speedup-poc-dd-1-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 04:23:55" (1/1) ... [2019-03-04 16:23:55,205 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "speedup-poc-dd-1-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 04:23:55" (1/1) ... [2019-03-04 16:23:55,206 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-03-04 16:23:55,207 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-03-04 16:23:55,207 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-03-04 16:23:55,207 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-03-04 16:23:55,208 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "speedup-poc-dd-1-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 04:23:55" (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 16:23:55,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-03-04 16:23:55,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-03-04 16:23:55,497 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-03-04 16:23:55,497 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. [2019-03-04 16:23:55,498 INFO L202 PluginConnector]: Adding new model speedup-poc-dd-1-limited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 04:23:55 BoogieIcfgContainer [2019-03-04 16:23:55,499 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-03-04 16:23:55,500 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-03-04 16:23:55,501 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-03-04 16:23:55,504 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-03-04 16:23:55,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "speedup-poc-dd-1-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 04:23:55" (1/2) ... [2019-03-04 16:23:55,506 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67d5939f and model type speedup-poc-dd-1-limited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 04:23:55, skipping insertion in model container [2019-03-04 16:23:55,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "speedup-poc-dd-1-limited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 04:23:55" (2/2) ... [2019-03-04 16:23:55,508 INFO L112 eAbstractionObserver]: Analyzing ICFG speedup-poc-dd-1-limited.bpl [2019-03-04 16:23:55,518 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-03-04 16:23:55,528 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-03-04 16:23:55,545 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-03-04 16:23:55,583 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-03-04 16:23:55,584 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-03-04 16:23:55,584 INFO L383 AbstractCegarLoop]: Hoare is true [2019-03-04 16:23:55,584 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-03-04 16:23:55,585 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-03-04 16:23:55,585 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-03-04 16:23:55,585 INFO L387 AbstractCegarLoop]: Difference is false [2019-03-04 16:23:55,585 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-03-04 16:23:55,585 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-03-04 16:23:55,603 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2019-03-04 16:23:55,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-03-04 16:23:55,616 INFO L394 BasicCegarLoop]: Found error trace [2019-03-04 16:23:55,617 INFO L402 BasicCegarLoop]: trace histogram [1, 1] [2019-03-04 16:23:55,620 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-03-04 16:23:55,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-03-04 16:23:55,627 INFO L82 PathProgramCache]: Analyzing trace with hash 967, now seen corresponding path program 1 times [2019-03-04 16:23:55,628 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-03-04 16:23:55,629 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-03-04 16:23:55,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-03-04 16:23:55,671 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-03-04 16:23:55,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-03-04 16:23:55,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-03-04 16:23:55,777 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 16:23:55,779 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-03-04 16:23:55,780 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-03-04 16:23:55,786 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-03-04 16:23:55,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-03-04 16:23:55,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-03-04 16:23:55,799 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 3 states. [2019-03-04 16:23:55,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-03-04 16:23:55,856 INFO L93 Difference]: Finished difference Result 9 states and 9 transitions. [2019-03-04 16:23:55,857 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-03-04 16:23:55,859 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2019-03-04 16:23:55,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-03-04 16:23:55,871 INFO L225 Difference]: With dead ends: 9 [2019-03-04 16:23:55,871 INFO L226 Difference]: Without dead ends: 4 [2019-03-04 16:23:55,875 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 16:23:55,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4 states. [2019-03-04 16:23:55,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4 to 4. [2019-03-04 16:23:55,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-03-04 16:23:55,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2019-03-04 16:23:55,913 INFO L78 Accepts]: Start accepts. Automaton has 4 states and 4 transitions. Word has length 2 [2019-03-04 16:23:55,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-03-04 16:23:55,914 INFO L480 AbstractCegarLoop]: Abstraction has 4 states and 4 transitions. [2019-03-04 16:23:55,914 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-03-04 16:23:55,914 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 4 transitions. [2019-03-04 16:23:55,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-03-04 16:23:55,915 INFO L394 BasicCegarLoop]: Found error trace [2019-03-04 16:23:55,915 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-03-04 16:23:55,915 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-03-04 16:23:55,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-03-04 16:23:55,916 INFO L82 PathProgramCache]: Analyzing trace with hash 29921, now seen corresponding path program 1 times [2019-03-04 16:23:55,916 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-03-04 16:23:55,919 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-03-04 16:23:55,922 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-03-04 16:23:55,922 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-03-04 16:23:55,923 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-03-04 16:23:55,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-03-04 16:23:56,099 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 16:23:56,100 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-03-04 16:23:56,100 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 16:23:56,113 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-03-04 16:23:56,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-03-04 16:23:56,138 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 3 conjunts are in the unsatisfiable core [2019-03-04 16:23:56,143 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-03-04 16:23:56,203 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-03-04 16:23:56,204 INFO L309 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-03-04 16:23:56,228 INFO L309 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-03-04 16:23:56,228 INFO L209 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-03-04 16:23:56,266 INFO L453 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 16 treesize of output 11 [2019-03-04 16:23:56,267 INFO L309 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-03-04 16:23:56,275 INFO L309 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-03-04 16:23:56,276 INFO L209 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:5 [2019-03-04 16:23:56,297 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 16:23:56,318 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-03-04 16:23:56,318 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2] total 3 [2019-03-04 16:23:56,320 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-03-04 16:23:56,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-03-04 16:23:56,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-03-04 16:23:56,321 INFO L87 Difference]: Start difference. First operand 4 states and 4 transitions. Second operand 5 states. [2019-03-04 16:23:56,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-03-04 16:23:56,370 INFO L93 Difference]: Finished difference Result 5 states and 6 transitions. [2019-03-04 16:23:56,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-03-04 16:23:56,371 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 3 [2019-03-04 16:23:56,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-03-04 16:23:56,372 INFO L225 Difference]: With dead ends: 5 [2019-03-04 16:23:56,372 INFO L226 Difference]: Without dead ends: 0 [2019-03-04 16:23:56,373 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-03-04 16:23:56,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-03-04 16:23:56,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-03-04 16:23:56,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-03-04 16:23:56,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-03-04 16:23:56,374 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 3 [2019-03-04 16:23:56,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-03-04 16:23:56,375 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-03-04 16:23:56,375 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-03-04 16:23:56,375 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-03-04 16:23:56,375 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-03-04 16:23:56,380 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-03-04 16:23:56,444 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 7 9) no Hoare annotation was computed. [2019-03-04 16:23:56,444 INFO L448 ceAbstractionStarter]: For program point L14(lines 7 28) no Hoare annotation was computed. [2019-03-04 16:23:56,445 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(lines 7 9) no Hoare annotation was computed. [2019-03-04 16:23:56,445 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 26) no Hoare annotation was computed. [2019-03-04 16:23:56,445 INFO L444 ceAbstractionStarter]: At program point L21-1(lines 21 24) the Hoare annotation is: (let ((.cse0 (select |#memory_int| ULTIMATE.start_main_p1))) (or (<= 1 .cse0) (= .cse0 0))) [2019-03-04 16:23:56,456 INFO L202 PluginConnector]: Adding new model speedup-poc-dd-1-limited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 04:23:56 BoogieIcfgContainer [2019-03-04 16:23:56,456 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-03-04 16:23:56,457 INFO L168 Benchmark]: Toolchain (without parser) took 1325.33 ms. Allocated memory was 140.0 MB in the beginning and 175.6 MB in the end (delta: 35.7 MB). Free memory was 107.5 MB in the beginning and 145.1 MB in the end (delta: -37.6 MB). Peak memory consumption was 57.8 MB. Max. memory is 7.1 GB. [2019-03-04 16:23:56,460 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory is still 108.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-03-04 16:23:56,460 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.82 ms. Allocated memory is still 140.0 MB. Free memory was 107.5 MB in the beginning and 105.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-03-04 16:23:56,461 INFO L168 Benchmark]: Boogie Preprocessor took 20.88 ms. Allocated memory is still 140.0 MB. Free memory was 105.3 MB in the beginning and 104.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-03-04 16:23:56,462 INFO L168 Benchmark]: RCFGBuilder took 292.64 ms. Allocated memory is still 140.0 MB. Free memory was 104.2 MB in the beginning and 95.6 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. [2019-03-04 16:23:56,463 INFO L168 Benchmark]: TraceAbstraction took 955.99 ms. Allocated memory was 140.0 MB in the beginning and 175.6 MB in the end (delta: 35.7 MB). Free memory was 95.4 MB in the beginning and 145.1 MB in the end (delta: -49.8 MB). Peak memory consumption was 45.7 MB. Max. memory is 7.1 GB. [2019-03-04 16:23:56,468 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 0.22 ms. Allocated memory is still 140.0 MB. Free memory is still 108.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 51.82 ms. Allocated memory is still 140.0 MB. Free memory was 107.5 MB in the beginning and 105.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 20.88 ms. Allocated memory is still 140.0 MB. Free memory was 105.3 MB in the beginning and 104.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 292.64 ms. Allocated memory is still 140.0 MB. Free memory was 104.2 MB in the beginning and 95.6 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 955.99 ms. Allocated memory was 140.0 MB in the beginning and 175.6 MB in the end (delta: 35.7 MB). Free memory was 95.4 MB in the beginning and 145.1 MB in the end (delta: -49.8 MB). Peak memory consumption was 45.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 26]: 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 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 1 <= #memory_int[p1] || #memory_int[p1] == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 5 locations, 1 error locations. SAFE Result, 0.8s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4 SDtfs, 2 SDslu, 1 SDs, 0 SdLazy, 12 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5occurred in iteration=0, 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: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 3 NumberOfFragments, 11 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 5 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 45 SizeOfPredicates, 0 NumberOfNonLiveVariables, 11 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 0/2 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...