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/bhmr2007.c.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-56c9370 [2018-07-23 15:20:53,869 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 15:20:53,871 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 15:20:53,889 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 15:20:53,889 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 15:20:53,891 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 15:20:53,892 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 15:20:53,894 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 15:20:53,897 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 15:20:53,898 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 15:20:53,907 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 15:20:53,908 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 15:20:53,909 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 15:20:53,913 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 15:20:53,916 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 15:20:53,917 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 15:20:53,918 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 15:20:53,921 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 15:20:53,924 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 15:20:53,929 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 15:20:53,930 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 15:20:53,933 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 15:20:53,935 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 15:20:53,938 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 15:20:53,938 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 15:20:53,939 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 15:20:53,940 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 15:20:53,941 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 15:20:53,942 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 15:20:53,943 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 15:20:53,943 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 15:20:53,944 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 15:20:53,944 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 15:20:53,946 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 15:20:53,947 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 15:20:53,949 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 15:20:53,949 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 15:20:53,973 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 15:20:53,973 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 15:20:53,974 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 15:20:53,975 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-07-23 15:20:53,975 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 15:20:53,975 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-07-23 15:20:53,975 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-23 15:20:53,975 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 15:20:54,040 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 15:20:54,055 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 15:20:54,061 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 15:20:54,063 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-23 15:20:54,063 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-23 15:20:54,064 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/bhmr2007.c.i_3.bpl [2018-07-23 15:20:54,064 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/bhmr2007.c.i_3.bpl' [2018-07-23 15:20:54,123 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 15:20:54,125 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-07-23 15:20:54,126 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 15:20:54,126 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 15:20:54,126 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 15:20:54,154 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bhmr2007.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:20:54" (1/1) ... [2018-07-23 15:20:54,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bhmr2007.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:20:54" (1/1) ... [2018-07-23 15:20:54,165 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bhmr2007.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:20:54" (1/1) ... [2018-07-23 15:20:54,165 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bhmr2007.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:20:54" (1/1) ... [2018-07-23 15:20:54,168 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bhmr2007.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:20:54" (1/1) ... [2018-07-23 15:20:54,170 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bhmr2007.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:20:54" (1/1) ... [2018-07-23 15:20:54,171 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bhmr2007.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:20:54" (1/1) ... [2018-07-23 15:20:54,173 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 15:20:54,174 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 15:20:54,174 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 15:20:54,174 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 15:20:54,176 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bhmr2007.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:20:54" (1/1) ... [2018-07-23 15:20:54,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 15:20:54,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 15:20:54,386 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 15:20:54,387 INFO L202 PluginConnector]: Adding new model bhmr2007.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:20:54 BoogieIcfgContainer [2018-07-23 15:20:54,387 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 15:20:54,388 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 15:20:54,388 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 15:20:54,392 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 15:20:54,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bhmr2007.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:20:54" (1/2) ... [2018-07-23 15:20:54,393 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65a1f727 and model type bhmr2007.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:20:54, skipping insertion in model container [2018-07-23 15:20:54,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bhmr2007.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:20:54" (2/2) ... [2018-07-23 15:20:54,396 INFO L112 eAbstractionObserver]: Analyzing ICFG bhmr2007.c.i_3.bpl [2018-07-23 15:20:54,406 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-07-23 15:20:54,415 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 15:20:54,463 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 15:20:54,464 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 15:20:54,465 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 15:20:54,465 INFO L375 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-07-23 15:20:54,465 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 15:20:54,465 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 15:20:54,465 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 15:20:54,466 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 15:20:54,466 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 15:20:54,481 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-23 15:20:54,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-23 15:20:54,490 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 15:20:54,491 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-23 15:20:54,492 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 15:20:54,498 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, now seen corresponding path program 1 times [2018-07-23 15:20:54,505 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 15:20:54,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 15:20:54,653 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 15:20:54,656 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 15:20:54,656 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-23 15:20:54,661 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 15:20:54,674 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 15:20:54,675 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 15:20:54,677 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2018-07-23 15:20:54,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 15:20:54,711 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-07-23 15:20:54,712 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 15:20:54,716 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-07-23 15:20:54,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 15:20:54,734 INFO L225 Difference]: With dead ends: 10 [2018-07-23 15:20:54,735 INFO L226 Difference]: Without dead ends: 7 [2018-07-23 15:20:54,738 INFO L573 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 [2018-07-23 15:20:54,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-07-23 15:20:54,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-07-23 15:20:54,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-23 15:20:54,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-23 15:20:54,777 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-07-23 15:20:54,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 15:20:54,778 INFO L471 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-23 15:20:54,778 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 15:20:54,779 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-23 15:20:54,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-23 15:20:54,779 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 15:20:54,779 INFO L353 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-07-23 15:20:54,780 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 15:20:54,780 INFO L82 PathProgramCache]: Analyzing trace with hash 889591169, now seen corresponding path program 1 times [2018-07-23 15:20:54,780 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 15:20:54,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 15:20:54,886 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 15:20:54,886 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 15:20:54,886 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2018-07-23 15:20:54,889 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 15:20:54,889 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 15:20:54,889 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-23 15:20:54,890 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 4 states. [2018-07-23 15:20:54,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 15:20:54,929 INFO L93 Difference]: Finished difference Result 7 states and 7 transitions. [2018-07-23 15:20:54,930 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 15:20:54,930 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2018-07-23 15:20:54,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 15:20:54,930 INFO L225 Difference]: With dead ends: 7 [2018-07-23 15:20:54,931 INFO L226 Difference]: Without dead ends: 0 [2018-07-23 15:20:54,932 INFO L573 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 15:20:54,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-07-23 15:20:54,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-07-23 15:20:54,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-07-23 15:20:54,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-07-23 15:20:54,933 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2018-07-23 15:20:54,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 15:20:54,933 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-07-23 15:20:54,933 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 15:20:54,934 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-07-23 15:20:54,934 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-07-23 15:20:54,941 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-07-23 15:20:54,984 INFO L417 ceAbstractionStarter]: At program point ULTIMATE.startErr0AssertViolationASSERT(line 50) the Hoare annotation is: false [2018-07-23 15:20:54,985 INFO L417 ceAbstractionStarter]: At program point L48(lines 26 48) the Hoare annotation is: (let ((.cse1 (* 3 ULTIMATE.start_main_~i~5)) (.cse0 (+ ULTIMATE.start_main_~b~5 ULTIMATE.start_main_~a~5))) (and (<= .cse0 .cse1) (<= .cse1 .cse0) (<= .cse0 (* 3 ULTIMATE.start_main_~n~5)))) [2018-07-23 15:20:54,986 INFO L417 ceAbstractionStarter]: At program point L29(lines 29 40) the Hoare annotation is: (let ((.cse1 (* 3 ULTIMATE.start_main_~i~5)) (.cse0 (+ ULTIMATE.start_main_~b~5 ULTIMATE.start_main_~a~5))) (and (<= .cse0 .cse1) (<= .cse1 .cse0) (<= .cse0 (* 3 ULTIMATE.start_main_~n~5)))) [2018-07-23 15:20:54,986 INFO L417 ceAbstractionStarter]: At program point L39(lines 39 49) the Hoare annotation is: false [2018-07-23 15:20:54,986 INFO L424 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 51) the Hoare annotation is: true [2018-07-23 15:20:54,986 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 51) no Hoare annotation was computed. [2018-07-23 15:20:54,986 INFO L417 ceAbstractionStarter]: At program point ULTIMATE.startEXIT(lines 1 51) the Hoare annotation is: false [2018-07-23 15:20:55,000 INFO L202 PluginConnector]: Adding new model bhmr2007.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 03:20:55 BoogieIcfgContainer [2018-07-23 15:20:55,001 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 15:20:55,002 INFO L168 Benchmark]: Toolchain (without parser) took 877.86 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. [2018-07-23 15:20:55,005 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 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 15:20:55,007 INFO L168 Benchmark]: Boogie Preprocessor took 47.60 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 15:20:55,007 INFO L168 Benchmark]: RCFGBuilder took 213.00 ms. Allocated memory is still 1.5 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 15:20:55,009 INFO L168 Benchmark]: TraceAbstraction took 612.81 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-07-23 15:20:55,013 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 0.23 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 47.60 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 213.00 ms. Allocated memory is still 1.5 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 612.81 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: 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: 50]: 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: 29]: Loop Invariant Derived loop invariant: (main_~b~5 + main_~a~5 <= 3 * main_~i~5 && 3 * main_~i~5 <= main_~b~5 + main_~a~5) && main_~b~5 + main_~a~5 <= 3 * main_~n~5 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: (main_~b~5 + main_~a~5 <= 3 * main_~i~5 && 3 * main_~i~5 <= main_~b~5 + main_~a~5) && main_~b~5 + main_~a~5 <= 3 * main_~n~5 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: false - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. SAFE Result, 0.5s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 6 SDtfs, 0 SDslu, 2 SDs, 0 SdLazy, 4 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 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, 0/0 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, 48 HoareAnnotationTreeSize, 6 FomulaSimplifications, 78 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, 532 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/bhmr2007.c.i_3.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-07-23_15-20-55-027.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/bhmr2007.c.i_3.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_15-20-55-027.csv Received shutdown request...