java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/Pdr/AutomizerBpl-nestedInterpolants.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/count_up_down.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 08:44:56,233 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 08:44:56,235 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 08:44:56,247 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 08:44:56,248 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 08:44:56,249 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 08:44:56,250 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 08:44:56,252 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 08:44:56,256 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 08:44:56,257 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 08:44:56,258 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 08:44:56,260 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 08:44:56,261 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 08:44:56,262 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 08:44:56,264 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 08:44:56,265 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 08:44:56,266 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 08:44:56,268 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 08:44:56,270 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 08:44:56,272 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 08:44:56,273 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 08:44:56,275 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 08:44:56,278 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 08:44:56,278 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 08:44:56,278 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 08:44:56,279 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 08:44:56,280 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 08:44:56,281 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 08:44:56,282 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 08:44:56,283 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 08:44:56,283 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 08:44:56,284 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-25 08:44:56,284 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-25 08:44:56,285 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-25 08:44:56,286 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-25 08:44:56,287 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-25 08:44:56,287 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-nestedInterpolants.epf [2018-07-25 08:44:56,315 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 08:44:56,315 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 08:44:56,318 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-25 08:44:56,322 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-07-25 08:44:56,322 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 08:44:56,322 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-07-25 08:44:56,322 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-25 08:44:56,322 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 08:44:56,391 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 08:44:56,410 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 08:44:56,416 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 08:44:56,418 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 08:44:56,419 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 08:44:56,420 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/count_up_down.i_3.bpl [2018-07-25 08:44:56,421 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/count_up_down.i_3.bpl' [2018-07-25 08:44:56,481 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 08:44:56,482 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 08:44:56,483 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 08:44:56,483 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 08:44:56,483 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 08:44:56,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "count_up_down.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 08:44:56" (1/1) ... [2018-07-25 08:44:56,516 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "count_up_down.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 08:44:56" (1/1) ... [2018-07-25 08:44:56,523 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 08:44:56,524 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 08:44:56,525 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 08:44:56,525 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 08:44:56,536 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "count_up_down.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 08:44:56" (1/1) ... [2018-07-25 08:44:56,536 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "count_up_down.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 08:44:56" (1/1) ... [2018-07-25 08:44:56,537 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "count_up_down.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 08:44:56" (1/1) ... [2018-07-25 08:44:56,537 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "count_up_down.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 08:44:56" (1/1) ... [2018-07-25 08:44:56,542 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "count_up_down.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 08:44:56" (1/1) ... [2018-07-25 08:44:56,544 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "count_up_down.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 08:44:56" (1/1) ... [2018-07-25 08:44:56,545 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "count_up_down.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 08:44:56" (1/1) ... [2018-07-25 08:44:56,547 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 08:44:56,548 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 08:44:56,548 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 08:44:56,549 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 08:44:56,551 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "count_up_down.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 08:44:56" (1/1) ... [2018-07-25 08:44:56,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-25 08:44:56,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-25 08:44:56,818 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-25 08:44:56,819 INFO L202 PluginConnector]: Adding new model count_up_down.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 08:44:56 BoogieIcfgContainer [2018-07-25 08:44:56,819 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 08:44:56,821 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 08:44:56,821 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 08:44:56,824 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 08:44:56,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "count_up_down.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 08:44:56" (1/2) ... [2018-07-25 08:44:56,826 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@510f0a24 and model type count_up_down.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 08:44:56, skipping insertion in model container [2018-07-25 08:44:56,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "count_up_down.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 08:44:56" (2/2) ... [2018-07-25 08:44:56,829 INFO L112 eAbstractionObserver]: Analyzing ICFG count_up_down.i_3.bpl [2018-07-25 08:44:56,841 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-07-25 08:44:56,853 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-25 08:44:56,909 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 08:44:56,910 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 08:44:56,911 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 08:44:56,911 INFO L376 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-07-25 08:44:56,911 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 08:44:56,911 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 08:44:56,912 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 08:44:56,912 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 08:44:56,912 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 08:44:56,932 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-25 08:44:56,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-25 08:44:56,943 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 08:44:56,944 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-25 08:44:56,945 INFO L415 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 08:44:56,951 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, now seen corresponding path program 1 times [2018-07-25 08:44:56,958 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 08:44:57,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-25 08:44:57,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-25 08:44:57,101 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 08:44:57,101 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-25 08:44:57,105 INFO L451 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-25 08:44:57,119 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-25 08:44:57,119 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-25 08:44:57,122 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2018-07-25 08:44:57,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 08:44:57,156 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-07-25 08:44:57,157 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-25 08:44:57,159 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-07-25 08:44:57,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 08:44:57,169 INFO L225 Difference]: With dead ends: 10 [2018-07-25 08:44:57,170 INFO L226 Difference]: Without dead ends: 7 [2018-07-25 08:44:57,174 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-25 08:44:57,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-07-25 08:44:57,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-07-25 08:44:57,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-25 08:44:57,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-25 08:44:57,215 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-07-25 08:44:57,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 08:44:57,217 INFO L472 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-25 08:44:57,217 INFO L473 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-25 08:44:57,217 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-25 08:44:57,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-25 08:44:57,218 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 08:44:57,218 INFO L354 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-07-25 08:44:57,219 INFO L415 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 08:44:57,219 INFO L82 PathProgramCache]: Analyzing trace with hash 889591169, now seen corresponding path program 1 times [2018-07-25 08:44:57,219 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 08:44:57,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-25 08:44:57,347 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-25 08:44:57,348 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-25 08:44:57,348 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2018-07-25 08:44:57,350 INFO L451 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-25 08:44:57,350 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-25 08:44:57,351 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-25 08:44:57,351 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 4 states. [2018-07-25 08:44:57,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 08:44:57,380 INFO L93 Difference]: Finished difference Result 7 states and 7 transitions. [2018-07-25 08:44:57,381 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-25 08:44:57,381 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2018-07-25 08:44:57,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 08:44:57,382 INFO L225 Difference]: With dead ends: 7 [2018-07-25 08:44:57,382 INFO L226 Difference]: Without dead ends: 0 [2018-07-25 08:44:57,387 INFO L574 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 [2018-07-25 08:44:57,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-07-25 08:44:57,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-07-25 08:44:57,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-07-25 08:44:57,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-07-25 08:44:57,388 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2018-07-25 08:44:57,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 08:44:57,389 INFO L472 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-07-25 08:44:57,389 INFO L473 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-25 08:44:57,389 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-07-25 08:44:57,389 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-07-25 08:44:57,400 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-07-25 08:44:57,542 INFO L418 ceAbstractionStarter]: At program point ULTIMATE.startEXIT(lines 1 44) the Hoare annotation is: false [2018-07-25 08:44:57,542 INFO L418 ceAbstractionStarter]: At program point L32(lines 32 42) the Hoare annotation is: false [2018-07-25 08:44:57,542 INFO L425 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 44) the Hoare annotation is: true [2018-07-25 08:44:57,542 INFO L422 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 44) no Hoare annotation was computed. [2018-07-25 08:44:57,544 INFO L418 ceAbstractionStarter]: At program point L22(lines 22 33) the Hoare annotation is: (or (let ((.cse0 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5))) (and (<= ULTIMATE.start_main_~n~5 .cse0) (<= ULTIMATE.start_main_~n~5 (+ (* 4294967296 (div (+ (- ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~n~5) 4294967296)) 4294967295)) (<= .cse0 ULTIMATE.start_main_~n~5) (<= 1 ULTIMATE.start_main_~y~5))) (and (<= 0 ULTIMATE.start_main_~y~5) (= ULTIMATE.start_main_~x~5 ULTIMATE.start_main_~n~5) (<= ULTIMATE.start_main_~y~5 0))) [2018-07-25 08:44:57,545 INFO L418 ceAbstractionStarter]: At program point L41(lines 19 41) the Hoare annotation is: (or (let ((.cse0 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5))) (and (<= ULTIMATE.start_main_~n~5 .cse0) (<= ULTIMATE.start_main_~n~5 (+ (* 4294967296 (div (+ (- ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~n~5) 4294967296)) 4294967295)) (<= .cse0 ULTIMATE.start_main_~n~5) (<= 1 ULTIMATE.start_main_~y~5))) (and (<= 0 ULTIMATE.start_main_~y~5) (= ULTIMATE.start_main_~x~5 ULTIMATE.start_main_~n~5) (<= ULTIMATE.start_main_~y~5 0))) [2018-07-25 08:44:57,546 INFO L418 ceAbstractionStarter]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 43) the Hoare annotation is: false [2018-07-25 08:44:57,566 INFO L202 PluginConnector]: Adding new model count_up_down.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.07 08:44:57 BoogieIcfgContainer [2018-07-25 08:44:57,566 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-25 08:44:57,567 INFO L168 Benchmark]: Toolchain (without parser) took 1085.53 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-07-25 08:44:57,570 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.25 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. [2018-07-25 08:44:57,571 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.97 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. [2018-07-25 08:44:57,571 INFO L168 Benchmark]: Boogie Preprocessor took 23.05 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. [2018-07-25 08:44:57,572 INFO L168 Benchmark]: RCFGBuilder took 271.67 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. [2018-07-25 08:44:57,573 INFO L168 Benchmark]: TraceAbstraction took 745.42 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-07-25 08:44:57,577 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 0.25 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 Procedure Inliner took 40.97 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 23.05 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 271.67 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 745.42 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 43]: 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: 32]: Loop Invariant Derived loop invariant: false - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: (((main_~n~5 <= main_~y~5 + main_~x~5 && main_~n~5 <= 4294967296 * ((-main_~y~5 + main_~n~5) / 4294967296) + 4294967295) && main_~y~5 + main_~x~5 <= main_~n~5) && 1 <= main_~y~5) || ((0 <= main_~y~5 && main_~x~5 == main_~n~5) && main_~y~5 <= 0) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: (((main_~n~5 <= main_~y~5 + main_~x~5 && main_~n~5 <= 4294967296 * ((-main_~y~5 + main_~n~5) / 4294967296) + 4294967295) && main_~y~5 + main_~x~5 <= main_~n~5) && 1 <= main_~y~5) || ((0 <= main_~y~5 && main_~x~5 == main_~n~5) && main_~y~5 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. SAFE Result, 0.6s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 7 SDtfs, 0 SDslu, 4 SDs, 0 SdLazy, 8 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=1, 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, 6 LocationsWithAnnotation, 6 PreInvPairs, 8 NumberOfFragments, 78 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 428 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/count_up_down.i_3.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-07-25_08-44-57-592.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/count_up_down.i_3.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-25_08-44-57-592.csv Received shutdown request...