java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/Pdr/AutomizerBpl-nestedInterpolants.epf -i ../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/CountTillBound-Jupiter.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 08:20:34,015 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 08:20:34,017 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 08:20:34,028 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 08:20:34,029 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 08:20:34,030 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 08:20:34,031 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 08:20:34,033 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 08:20:34,034 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 08:20:34,035 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 08:20:34,036 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 08:20:34,036 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 08:20:34,037 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 08:20:34,039 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 08:20:34,040 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 08:20:34,041 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 08:20:34,044 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 08:20:34,046 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 08:20:34,052 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 08:20:34,054 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 08:20:34,057 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 08:20:34,058 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 08:20:34,060 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 08:20:34,060 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 08:20:34,061 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 08:20:34,062 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 08:20:34,062 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 08:20:34,063 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 08:20:34,064 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 08:20:34,065 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 08:20:34,065 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 08:20:34,066 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 08:20:34,066 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 08:20:34,067 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 08:20:34,067 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 08:20:34,068 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 08:20:34,068 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-nestedInterpolants.epf [2018-09-26 08:20:34,076 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 08:20:34,077 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 08:20:34,078 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 08:20:34,078 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-09-26 08:20:34,078 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 08:20:34,079 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-09-26 08:20:34,079 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-09-26 08:20:34,079 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 08:20:34,131 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 08:20:34,144 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 08:20:34,148 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 08:20:34,150 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 08:20:34,150 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 08:20:34,151 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/CountTillBound-Jupiter.bpl [2018-09-26 08:20:34,151 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/CountTillBound-Jupiter.bpl' [2018-09-26 08:20:34,193 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 08:20:34,196 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 08:20:34,197 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 08:20:34,197 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 08:20:34,197 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 08:20:34,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "CountTillBound-Jupiter.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:20:34" (1/1) ... [2018-09-26 08:20:34,233 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "CountTillBound-Jupiter.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:20:34" (1/1) ... [2018-09-26 08:20:34,238 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-26 08:20:34,238 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-26 08:20:34,239 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-26 08:20:34,241 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 08:20:34,242 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 08:20:34,242 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 08:20:34,242 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 08:20:34,254 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "CountTillBound-Jupiter.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:20:34" (1/1) ... [2018-09-26 08:20:34,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "CountTillBound-Jupiter.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:20:34" (1/1) ... [2018-09-26 08:20:34,255 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "CountTillBound-Jupiter.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:20:34" (1/1) ... [2018-09-26 08:20:34,255 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "CountTillBound-Jupiter.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:20:34" (1/1) ... [2018-09-26 08:20:34,258 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "CountTillBound-Jupiter.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:20:34" (1/1) ... [2018-09-26 08:20:34,263 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "CountTillBound-Jupiter.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:20:34" (1/1) ... [2018-09-26 08:20:34,264 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "CountTillBound-Jupiter.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:20:34" (1/1) ... [2018-09-26 08:20:34,266 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 08:20:34,266 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 08:20:34,266 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 08:20:34,267 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 08:20:34,268 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "CountTillBound-Jupiter.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:20:34" (1/1) ... [2018-09-26 08:20:34,363 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-09-26 08:20:34,363 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-26 08:20:34,364 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-26 08:20:34,523 INFO L343 CfgBuilder]: Using library mode [2018-09-26 08:20:34,527 INFO L202 PluginConnector]: Adding new model CountTillBound-Jupiter.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:20:34 BoogieIcfgContainer [2018-09-26 08:20:34,527 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 08:20:34,529 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 08:20:34,529 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 08:20:34,533 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 08:20:34,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CountTillBound-Jupiter.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:20:34" (1/2) ... [2018-09-26 08:20:34,535 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50e65c82 and model type CountTillBound-Jupiter.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 08:20:34, skipping insertion in model container [2018-09-26 08:20:34,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CountTillBound-Jupiter.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:20:34" (2/2) ... [2018-09-26 08:20:34,538 INFO L112 eAbstractionObserver]: Analyzing ICFG CountTillBound-Jupiter.bpl [2018-09-26 08:20:34,549 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-09-26 08:20:34,559 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 08:20:34,608 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 08:20:34,609 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 08:20:34,609 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 08:20:34,610 INFO L383 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-09-26 08:20:34,610 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 08:20:34,610 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 08:20:34,610 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 08:20:34,611 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 08:20:34,611 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 08:20:34,627 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-09-26 08:20:34,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-26 08:20:34,637 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:20:34,638 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-09-26 08:20:34,639 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:20:34,646 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:20:34,647 INFO L82 PathProgramCache]: Analyzing trace with hash 30176, now seen corresponding path program 1 times [2018-09-26 08:20:34,654 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:20:34,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 08:20:34,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 08:20:34,751 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:20:34,751 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-26 08:20:34,757 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-26 08:20:34,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-26 08:20:34,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-26 08:20:34,781 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2018-09-26 08:20:34,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:20:34,808 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-09-26 08:20:34,809 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-26 08:20:34,810 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2018-09-26 08:20:34,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:20:34,822 INFO L225 Difference]: With dead ends: 10 [2018-09-26 08:20:34,823 INFO L226 Difference]: Without dead ends: 6 [2018-09-26 08:20:34,827 INFO L605 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 [2018-09-26 08:20:34,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2018-09-26 08:20:34,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2018-09-26 08:20:34,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-09-26 08:20:34,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. [2018-09-26 08:20:34,868 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 7 transitions. Word has length 3 [2018-09-26 08:20:34,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:20:34,869 INFO L480 AbstractCegarLoop]: Abstraction has 6 states and 7 transitions. [2018-09-26 08:20:34,869 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-26 08:20:34,869 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2018-09-26 08:20:34,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-26 08:20:34,869 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:20:34,869 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-09-26 08:20:34,870 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:20:34,870 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:20:34,870 INFO L82 PathProgramCache]: Analyzing trace with hash 28758310, now seen corresponding path program 1 times [2018-09-26 08:20:34,871 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:20:34,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 08:20:34,891 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 08:20:34,891 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-09-26 08:20:34,892 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2018-09-26 08:20:34,893 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-26 08:20:34,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-26 08:20:34,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-26 08:20:34,895 INFO L87 Difference]: Start difference. First operand 6 states and 7 transitions. Second operand 4 states. [2018-09-26 08:20:34,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:20:34,913 INFO L93 Difference]: Finished difference Result 10 states and 12 transitions. [2018-09-26 08:20:34,913 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-26 08:20:34,913 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2018-09-26 08:20:34,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:20:34,914 INFO L225 Difference]: With dead ends: 10 [2018-09-26 08:20:34,914 INFO L226 Difference]: Without dead ends: 8 [2018-09-26 08:20:34,915 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-26 08:20:34,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2018-09-26 08:20:34,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2018-09-26 08:20:34,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2018-09-26 08:20:34,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2018-09-26 08:20:34,919 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 10 transitions. Word has length 5 [2018-09-26 08:20:34,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:20:34,920 INFO L480 AbstractCegarLoop]: Abstraction has 8 states and 10 transitions. [2018-09-26 08:20:34,920 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-26 08:20:34,920 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2018-09-26 08:20:34,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-26 08:20:34,921 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:20:34,921 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1] [2018-09-26 08:20:34,921 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:20:34,921 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:20:34,922 INFO L82 PathProgramCache]: Analyzing trace with hash 1866691308, now seen corresponding path program 2 times [2018-09-26 08:20:34,922 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:20:34,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 08:20:35,021 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-26 08:20:35,021 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:20:35,022 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-26 08:20:35,022 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-26 08:20:35,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-26 08:20:35,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-09-26 08:20:35,023 INFO L87 Difference]: Start difference. First operand 8 states and 10 transitions. Second operand 5 states. [2018-09-26 08:20:35,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:20:35,038 INFO L93 Difference]: Finished difference Result 13 states and 18 transitions. [2018-09-26 08:20:35,038 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-26 08:20:35,038 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 7 [2018-09-26 08:20:35,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:20:35,039 INFO L225 Difference]: With dead ends: 13 [2018-09-26 08:20:35,039 INFO L226 Difference]: Without dead ends: 0 [2018-09-26 08:20:35,039 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-09-26 08:20:35,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-26 08:20:35,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-26 08:20:35,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-26 08:20:35,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-26 08:20:35,041 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2018-09-26 08:20:35,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:20:35,041 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-26 08:20:35,041 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-26 08:20:35,043 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-26 08:20:35,043 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-26 08:20:35,049 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-26 08:20:35,091 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 14 28) the Hoare annotation is: true [2018-09-26 08:20:35,092 INFO L422 ceAbstractionStarter]: At program point L27(line 27) the Hoare annotation is: (and (= main_y 42) (<= main_x 100) (<= 100 main_x)) [2018-09-26 08:20:35,092 INFO L429 ceAbstractionStarter]: At program point mainEXIT(lines 14 28) the Hoare annotation is: true [2018-09-26 08:20:35,093 INFO L422 ceAbstractionStarter]: At program point L21-1(lines 21 24) the Hoare annotation is: (and (= main_y 42) (<= main_x 100)) [2018-09-26 08:20:35,093 INFO L422 ceAbstractionStarter]: At program point L19-1(lines 19 25) the Hoare annotation is: (and (= main_y 42) (<= main_x 100)) [2018-09-26 08:20:35,093 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 14 28) no Hoare annotation was computed. [2018-09-26 08:20:35,093 INFO L422 ceAbstractionStarter]: At program point mainErr0ASSERT_VIOLATIONASSERT(line 27) the Hoare annotation is: false [2018-09-26 08:20:35,107 INFO L202 PluginConnector]: Adding new model CountTillBound-Jupiter.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.09 08:20:35 BoogieIcfgContainer [2018-09-26 08:20:35,108 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 08:20:35,109 INFO L168 Benchmark]: Toolchain (without parser) took 915.46 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. [2018-09-26 08:20:35,111 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 08:20:35,112 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.77 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 08:20:35,113 INFO L168 Benchmark]: Boogie Preprocessor took 23.92 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 08:20:35,114 INFO L168 Benchmark]: RCFGBuilder took 261.27 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-26 08:20:35,115 INFO L168 Benchmark]: TraceAbstraction took 578.88 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. [2018-09-26 08:20:35,120 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 0.15 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 44.77 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 23.92 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 261.27 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 578.88 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: 27]: 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: 19]: Loop Invariant Derived loop invariant: y == 42 && x <= 100 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: y == 42 && x <= 100 - ProcedureContractResult [Line: 14]: Procedure Contract for main Derived contract for procedure main: true - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. SAFE Result, 0.4s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 12 SDtfs, 3 SDslu, 6 SDs, 0 SdLazy, 18 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=2, 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 13 NumberOfFragments, 27 HoareAnnotationTreeSize, 6 FomulaSimplifications, 32 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 246 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 4/5 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/CountTillBound-Jupiter.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_08-20-35-134.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/CountTillBound-Jupiter.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-26_08-20-35-134.csv Received shutdown request...