java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBpl.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/programs/regression/bpl/AutomizerBpl-nestedInterpolants.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/sum_array.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-935f392 [2018-07-23 13:50:13,131 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 13:50:13,133 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 13:50:13,152 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 13:50:13,152 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 13:50:13,153 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 13:50:13,155 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 13:50:13,157 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 13:50:13,159 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 13:50:13,160 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 13:50:13,169 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 13:50:13,169 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 13:50:13,170 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 13:50:13,171 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 13:50:13,173 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 13:50:13,174 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 13:50:13,176 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 13:50:13,177 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 13:50:13,182 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 13:50:13,184 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 13:50:13,187 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 13:50:13,188 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 13:50:13,191 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 13:50:13,191 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 13:50:13,192 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 13:50:13,192 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 13:50:13,194 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 13:50:13,195 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 13:50:13,195 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 13:50:13,198 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 13:50:13,198 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 13:50:13,199 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-07-23 13:50:13,203 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/AutomizerBpl-nestedInterpolants.epf [2018-07-23 13:50:13,227 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 13:50:13,228 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 13:50:13,229 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 13:50:13,229 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-07-23 13:50:13,229 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 13:50:13,230 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-07-23 13:50:13,230 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-23 13:50:13,230 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 13:50:13,281 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 13:50:13,294 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 13:50:13,302 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 13:50:13,304 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-23 13:50:13,304 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-23 13:50:13,305 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/sum_array.i_3.bpl [2018-07-23 13:50:13,306 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/sum_array.i_3.bpl' [2018-07-23 13:50:13,358 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 13:50:13,360 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-07-23 13:50:13,360 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 13:50:13,361 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 13:50:13,361 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 13:50:13,387 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum_array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:50:13" (1/1) ... [2018-07-23 13:50:13,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum_array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:50:13" (1/1) ... [2018-07-23 13:50:13,402 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum_array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:50:13" (1/1) ... [2018-07-23 13:50:13,403 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum_array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:50:13" (1/1) ... [2018-07-23 13:50:13,406 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum_array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:50:13" (1/1) ... [2018-07-23 13:50:13,409 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum_array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:50:13" (1/1) ... [2018-07-23 13:50:13,410 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum_array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:50:13" (1/1) ... [2018-07-23 13:50:13,412 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 13:50:13,413 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 13:50:13,413 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 13:50:13,413 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 13:50:13,414 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum_array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:50:13" (1/1) ... [2018-07-23 13:50:13,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 13:50:13,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 13:50:13,736 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 13:50:13,737 INFO L202 PluginConnector]: Adding new model sum_array.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:50:13 BoogieIcfgContainer [2018-07-23 13:50:13,737 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 13:50:13,739 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 13:50:13,739 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 13:50:13,745 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 13:50:13,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum_array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:50:13" (1/2) ... [2018-07-23 13:50:13,747 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cbbfe11 and model type sum_array.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:50:13, skipping insertion in model container [2018-07-23 13:50:13,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum_array.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:50:13" (2/2) ... [2018-07-23 13:50:13,750 INFO L112 eAbstractionObserver]: Analyzing ICFG sum_array.i_3.bpl [2018-07-23 13:50:13,760 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-07-23 13:50:13,768 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 13:50:13,810 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 13:50:13,811 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 13:50:13,811 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 13:50:13,812 INFO L375 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-07-23 13:50:13,812 INFO L376 AbstractCegarLoop]: Backedges is CANONICAL [2018-07-23 13:50:13,812 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 13:50:13,812 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 13:50:13,813 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 13:50:13,813 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 13:50:13,828 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2018-07-23 13:50:13,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-07-23 13:50:13,836 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:13,837 INFO L357 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 13:50:13,837 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:50:13,842 INFO L82 PathProgramCache]: Analyzing trace with hash 148998095, now seen corresponding path program 1 times [2018-07-23 13:50:13,848 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:13,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:13,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:13,981 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 13:50:13,981 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 13:50:13,983 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:13,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:13,984 INFO L185 omatonBuilderFactory]: Interpolants [16#(<= ULTIMATE.start_main_~M~6 (* 4294967296 (div ULTIMATE.start_main_~M~6 4294967296))), 13#true, 14#false, 15#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))] [2018-07-23 13:50:13,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:13,985 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 13:50:14,001 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 13:50:14,002 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-23 13:50:14,005 INFO L87 Difference]: Start difference. First operand 10 states. Second operand 4 states. [2018-07-23 13:50:14,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:14,249 INFO L93 Difference]: Finished difference Result 26 states and 35 transitions. [2018-07-23 13:50:14,250 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 13:50:14,254 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-07-23 13:50:14,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:14,276 INFO L225 Difference]: With dead ends: 26 [2018-07-23 13:50:14,276 INFO L226 Difference]: Without dead ends: 15 [2018-07-23 13:50:14,284 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-07-23 13:50:14,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2018-07-23 13:50:14,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-07-23 13:50:14,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-07-23 13:50:14,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2018-07-23 13:50:14,337 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 8 [2018-07-23 13:50:14,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:14,337 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2018-07-23 13:50:14,338 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 13:50:14,338 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2018-07-23 13:50:14,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-07-23 13:50:14,339 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:14,339 INFO L357 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 13:50:14,340 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:50:14,340 INFO L82 PathProgramCache]: Analyzing trace with hash -895823363, now seen corresponding path program 1 times [2018-07-23 13:50:14,340 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:14,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:14,632 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:14,632 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:14,633 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-07-23 13:50:14,633 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:14,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:14,634 INFO L185 omatonBuilderFactory]: Interpolants [101#true, 102#false, 103#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6)), 104#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6)), 105#(and (<= ULTIMATE.start_main_~M~6 (+ (* 4294967296 (div ULTIMATE.start_main_~M~6 4294967296)) 1)) (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6)), 106#(<= ULTIMATE.start_main_~M~6 (+ (* 4294967296 (div ULTIMATE.start_main_~M~6 4294967296)) 1)), 107#(= (select ULTIMATE.start_main_~C~6 0) (+ (select ULTIMATE.start_main_~B~6 0) (select ULTIMATE.start_main_~A~6 0)))] [2018-07-23 13:50:14,634 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:14,636 INFO L450 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-23 13:50:14,636 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-23 13:50:14,637 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-07-23 13:50:14,637 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. Second operand 7 states. [2018-07-23 13:50:14,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:14,877 INFO L93 Difference]: Finished difference Result 35 states and 44 transitions. [2018-07-23 13:50:14,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-07-23 13:50:14,878 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2018-07-23 13:50:14,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:14,878 INFO L225 Difference]: With dead ends: 35 [2018-07-23 13:50:14,879 INFO L226 Difference]: Without dead ends: 0 [2018-07-23 13:50:14,880 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2018-07-23 13:50:14,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-07-23 13:50:14,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-07-23 13:50:14,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-07-23 13:50:14,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-07-23 13:50:14,881 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2018-07-23 13:50:14,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:14,882 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-07-23 13:50:14,882 INFO L472 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-23 13:50:14,882 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-07-23 13:50:14,883 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-07-23 13:50:14,888 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-07-23 13:50:14,933 INFO L417 ceAbstractionStarter]: At program point L82(lines 82 90) the Hoare annotation is: false [2018-07-23 13:50:14,934 INFO L417 ceAbstractionStarter]: At program point L89(lines 56 89) the Hoare annotation is: (or (and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6)) (= (select ULTIMATE.start_main_~C~6 0) (+ (select ULTIMATE.start_main_~B~6 0) (select ULTIMATE.start_main_~A~6 0)))) [2018-07-23 13:50:14,934 INFO L424 ceAbstractionStarter]: At program point L66(lines 37 66) the Hoare annotation is: true [2018-07-23 13:50:14,934 INFO L424 ceAbstractionStarter]: At program point L47(lines 28 47) the Hoare annotation is: true [2018-07-23 13:50:14,935 INFO L417 ceAbstractionStarter]: At program point L69(lines 69 83) the Hoare annotation is: (or (and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6)) (= (select ULTIMATE.start_main_~C~6 0) (+ (select ULTIMATE.start_main_~B~6 0) (select ULTIMATE.start_main_~A~6 0)))) [2018-07-23 13:50:14,935 INFO L424 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 92) the Hoare annotation is: true [2018-07-23 13:50:14,935 INFO L417 ceAbstractionStarter]: At program point ULTIMATE.startEXIT(lines 1 92) the Hoare annotation is: false [2018-07-23 13:50:14,935 INFO L424 ceAbstractionStarter]: At program point L50(lines 50 57) the Hoare annotation is: true [2018-07-23 13:50:14,935 INFO L424 ceAbstractionStarter]: At program point L31(lines 31 38) the Hoare annotation is: true [2018-07-23 13:50:14,936 INFO L417 ceAbstractionStarter]: At program point ULTIMATE.startErr0AssertViolationASSERT(line 91) the Hoare annotation is: false [2018-07-23 13:50:14,936 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 92) no Hoare annotation was computed. [2018-07-23 13:50:14,953 INFO L202 PluginConnector]: Adding new model sum_array.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 01:50:14 BoogieIcfgContainer [2018-07-23 13:50:14,953 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 13:50:14,954 INFO L168 Benchmark]: Toolchain (without parser) took 1595.37 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. [2018-07-23 13:50:14,958 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 13:50:14,959 INFO L168 Benchmark]: Boogie Preprocessor took 51.95 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 13:50:14,960 INFO L168 Benchmark]: RCFGBuilder took 325.39 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-07-23 13:50:14,962 INFO L168 Benchmark]: TraceAbstraction took 1214.06 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-07-23 13:50:14,966 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 0.20 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 51.95 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 325.39 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1214.06 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 91]: 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: 56]: Loop Invariant Derived loop invariant: (main_~i~6 <= 0 && 0 <= main_~i~6) || main_~C~6[0] == main_~B~6[0] + main_~A~6[0] - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: true - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: (main_~i~6 <= 0 && 0 <= main_~i~6) || main_~C~6[0] == main_~B~6[0] + main_~A~6[0] - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: true - InvariantResult [Line: 82]: Loop Invariant Derived loop invariant: false - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: true - InvariantResult [Line: 37]: Loop Invariant Derived loop invariant: true - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. SAFE Result, 1.1s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 13 SDtfs, 14 SDslu, 28 SDs, 0 SdLazy, 54 SolverSat, 28 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/6 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, 10 LocationsWithAnnotation, 10 PreInvPairs, 38 NumberOfFragments, 46 HoareAnnotationTreeSize, 10 FomulaSimplifications, 150 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 1848 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 0/6 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/sum_array.i_3.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-07-23_13-50-14-986.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/sum_array.i_3.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_13-50-14-986.csv Received shutdown request...