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/jain_6.i_2.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-935f392 [2018-07-23 13:46:32,255 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 13:46:32,258 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 13:46:32,273 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 13:46:32,273 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 13:46:32,275 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 13:46:32,278 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 13:46:32,280 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 13:46:32,283 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 13:46:32,291 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 13:46:32,292 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 13:46:32,292 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 13:46:32,293 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 13:46:32,295 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 13:46:32,297 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 13:46:32,299 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 13:46:32,300 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 13:46:32,301 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 13:46:32,305 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 13:46:32,307 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 13:46:32,310 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 13:46:32,311 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 13:46:32,313 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 13:46:32,314 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 13:46:32,314 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 13:46:32,315 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 13:46:32,317 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 13:46:32,317 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 13:46:32,318 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 13:46:32,319 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 13:46:32,319 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 13:46:32,320 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-07-23 13:46:32,323 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 13:46:32,346 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 13:46:32,347 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 13:46:32,348 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 13:46:32,348 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-07-23 13:46:32,355 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 13:46:32,355 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-07-23 13:46:32,356 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-23 13:46:32,356 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 13:46:32,431 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 13:46:32,451 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 13:46:32,459 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 13:46:32,460 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-23 13:46:32,461 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-23 13:46:32,462 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/jain_6.i_2.bpl [2018-07-23 13:46:32,462 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/jain_6.i_2.bpl' [2018-07-23 13:46:32,512 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 13:46:32,514 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-07-23 13:46:32,514 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 13:46:32,515 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 13:46:32,515 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 13:46:32,542 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "jain_6.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:46:32" (1/1) ... [2018-07-23 13:46:32,544 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "jain_6.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:46:32" (1/1) ... [2018-07-23 13:46:32,554 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "jain_6.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:46:32" (1/1) ... [2018-07-23 13:46:32,555 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "jain_6.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:46:32" (1/1) ... [2018-07-23 13:46:32,557 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "jain_6.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:46:32" (1/1) ... [2018-07-23 13:46:32,559 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "jain_6.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:46:32" (1/1) ... [2018-07-23 13:46:32,560 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "jain_6.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:46:32" (1/1) ... [2018-07-23 13:46:32,562 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 13:46:32,563 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 13:46:32,563 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 13:46:32,563 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 13:46:32,564 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "jain_6.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:46:32" (1/1) ... [2018-07-23 13:46:32,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 13:46:32,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 13:46:32,772 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 13:46:32,773 INFO L202 PluginConnector]: Adding new model jain_6.i_2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:46:32 BoogieIcfgContainer [2018-07-23 13:46:32,773 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 13:46:32,774 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 13:46:32,775 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 13:46:32,778 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 13:46:32,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "jain_6.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:46:32" (1/2) ... [2018-07-23 13:46:32,780 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6263df3d and model type jain_6.i_2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:46:32, skipping insertion in model container [2018-07-23 13:46:32,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "jain_6.i_2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:46:32" (2/2) ... [2018-07-23 13:46:32,782 INFO L112 eAbstractionObserver]: Analyzing ICFG jain_6.i_2.bpl [2018-07-23 13:46:32,793 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-07-23 13:46:32,801 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 13:46:32,851 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 13:46:32,852 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 13:46:32,852 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 13:46:32,853 INFO L375 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-07-23 13:46:32,853 INFO L376 AbstractCegarLoop]: Backedges is CANONICAL [2018-07-23 13:46:32,853 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 13:46:32,853 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 13:46:32,853 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 13:46:32,854 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 13:46:32,870 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-23 13:46:32,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-23 13:46:32,879 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:32,880 INFO L357 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-23 13:46:32,881 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:32,887 INFO L82 PathProgramCache]: Analyzing trace with hash 925701, now seen corresponding path program 1 times [2018-07-23 13:46:32,894 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:32,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:33,063 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 13:46:33,066 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 13:46:33,067 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 13:46:33,069 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:33,069 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 13:46:33,070 INFO L185 omatonBuilderFactory]: Interpolants [9#true, 10#false, 11#(and (<= (* 4 ULTIMATE.start_main_~x~5) (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~z~5)) (<= (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~z~5) (* 4 ULTIMATE.start_main_~x~5))), 12#(= ULTIMATE.start___VERIFIER_assert_~cond 1)] [2018-07-23 13:46:33,070 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 13:46:33,072 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 13:46:33,088 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 13:46:33,089 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-23 13:46:33,092 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2018-07-23 13:46:33,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:33,183 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2018-07-23 13:46:33,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 13:46:33,184 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2018-07-23 13:46:33,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:33,195 INFO L225 Difference]: With dead ends: 11 [2018-07-23 13:46:33,195 INFO L226 Difference]: Without dead ends: 8 [2018-07-23 13:46:33,204 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-23 13:46:33,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2018-07-23 13:46:33,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2018-07-23 13:46:33,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-23 13:46:33,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-23 13:46:33,244 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-07-23 13:46:33,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:33,244 INFO L471 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-23 13:46:33,245 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 13:46:33,245 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-23 13:46:33,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-23 13:46:33,246 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:33,246 INFO L357 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-07-23 13:46:33,246 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:33,246 INFO L82 PathProgramCache]: Analyzing trace with hash 889531649, now seen corresponding path program 1 times [2018-07-23 13:46:33,247 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:33,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:33,365 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:33,365 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:33,366 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-07-23 13:46:33,366 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:33,366 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 13:46:33,367 INFO L185 omatonBuilderFactory]: Interpolants [49#true, 50#false, 51#(and (<= (* 4 ULTIMATE.start_main_~x~5) (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~z~5)) (<= (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~z~5) (* 4 ULTIMATE.start_main_~x~5))), 52#(and (<= (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~z~5 (* 4 ULTIMATE.start_main_~x~5)) (* 8 (div (+ (* 2 ULTIMATE.start_main_~y~5) (+ ULTIMATE.start_main_~z~5 (* 4 ULTIMATE.start_main_~x~5))) 8))) (or (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start___VERIFIER_assert_~cond 1))), 53#(<= (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~z~5 (* 4 ULTIMATE.start_main_~x~5)) (* 8 (div (+ (* 2 ULTIMATE.start_main_~y~5) (+ ULTIMATE.start_main_~z~5 (* 4 ULTIMATE.start_main_~x~5))) 8))), 54#(not (= 0 ULTIMATE.start___VERIFIER_assert_~cond))] [2018-07-23 13:46:33,367 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:33,369 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-23 13:46:33,370 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-23 13:46:33,370 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-07-23 13:46:33,370 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 6 states. [2018-07-23 13:46:33,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:33,472 INFO L93 Difference]: Finished difference Result 7 states and 7 transitions. [2018-07-23 13:46:33,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 13:46:33,473 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 6 [2018-07-23 13:46:33,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:33,474 INFO L225 Difference]: With dead ends: 7 [2018-07-23 13:46:33,474 INFO L226 Difference]: Without dead ends: 0 [2018-07-23 13:46:33,475 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-07-23 13:46:33,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-07-23 13:46:33,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-07-23 13:46:33,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-07-23 13:46:33,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-07-23 13:46:33,476 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2018-07-23 13:46:33,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:33,477 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-07-23 13:46:33,477 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-23 13:46:33,477 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-07-23 13:46:33,477 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-07-23 13:46:33,482 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-07-23 13:46:33,543 INFO L417 ceAbstractionStarter]: At program point L43(lines 43 44) the Hoare annotation is: false [2018-07-23 13:46:33,546 INFO L417 ceAbstractionStarter]: At program point L34(lines 34 40) the Hoare annotation is: (and (let ((.cse0 (* 2 ULTIMATE.start_main_~y~5)) (.cse1 (* 4 ULTIMATE.start_main_~x~5))) (<= (+ .cse0 ULTIMATE.start_main_~z~5 .cse1) (* 8 (div (+ .cse0 (+ ULTIMATE.start_main_~z~5 .cse1)) 8)))) (= ULTIMATE.start___VERIFIER_assert_~cond 1)) [2018-07-23 13:46:33,546 INFO L417 ceAbstractionStarter]: At program point ULTIMATE.startErr0AssertViolationASSERT(line 45) the Hoare annotation is: false [2018-07-23 13:46:33,547 INFO L417 ceAbstractionStarter]: At program point L39(lines 21 39) the Hoare annotation is: (let ((.cse1 (* 4 ULTIMATE.start_main_~x~5)) (.cse0 (* 2 ULTIMATE.start_main_~y~5))) (or (and (<= (+ .cse0 ULTIMATE.start_main_~z~5 .cse1) (* 8 (div (+ .cse0 (+ ULTIMATE.start_main_~z~5 .cse1)) 8))) (= ULTIMATE.start___VERIFIER_assert_~cond 1)) (let ((.cse2 (+ .cse0 ULTIMATE.start_main_~z~5))) (and (<= .cse1 .cse2) (<= .cse2 .cse1))))) [2018-07-23 13:46:33,547 INFO L424 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 46) the Hoare annotation is: true [2018-07-23 13:46:33,548 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 46) no Hoare annotation was computed. [2018-07-23 13:46:33,548 INFO L417 ceAbstractionStarter]: At program point ULTIMATE.startEXIT(lines 1 46) the Hoare annotation is: false [2018-07-23 13:46:33,558 INFO L202 PluginConnector]: Adding new model jain_6.i_2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 01:46:33 BoogieIcfgContainer [2018-07-23 13:46:33,559 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 13:46:33,560 INFO L168 Benchmark]: Toolchain (without parser) took 1046.76 ms. Allocated memory is still 1.5 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 13:46:33,562 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 13:46:33,563 INFO L168 Benchmark]: Boogie Preprocessor took 48.15 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 13:46:33,564 INFO L168 Benchmark]: RCFGBuilder took 210.46 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-07-23 13:46:33,565 INFO L168 Benchmark]: TraceAbstraction took 784.45 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-07-23 13:46:33,570 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 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 48.15 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 210.46 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 784.45 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 45]: 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: 34]: Loop Invariant Derived loop invariant: 2 * main_~y~5 + main_~z~5 + 4 * main_~x~5 <= 8 * ((2 * main_~y~5 + (main_~z~5 + 4 * main_~x~5)) / 8) && __VERIFIER_assert_~cond == 1 - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: false - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: (2 * main_~y~5 + main_~z~5 + 4 * main_~x~5 <= 8 * ((2 * main_~y~5 + (main_~z~5 + 4 * main_~x~5)) / 8) && __VERIFIER_assert_~cond == 1) || (4 * main_~x~5 <= 2 * main_~y~5 + main_~z~5 && 2 * main_~y~5 + main_~z~5 <= 4 * main_~x~5) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. SAFE Result, 0.7s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 5 SDtfs, 3 SDslu, 5 SDs, 0 SdLazy, 15 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/2 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, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 7 NumberOfFragments, 76 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 449 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 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! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/jain_6.i_2.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-07-23_13-46-33-591.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/jain_6.i_2.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_13-46-33-591.csv Received shutdown request...