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-pdr-smtinterpol.epf -i ../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/doubleLoopUniformIterations.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 09:54:21,426 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 09:54:21,428 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 09:54:21,441 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 09:54:21,441 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 09:54:21,442 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 09:54:21,444 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 09:54:21,445 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 09:54:21,447 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 09:54:21,448 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 09:54:21,449 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 09:54:21,449 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 09:54:21,450 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 09:54:21,451 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 09:54:21,452 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 09:54:21,453 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 09:54:21,454 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 09:54:21,456 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 09:54:21,458 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 09:54:21,460 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 09:54:21,461 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 09:54:21,462 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 09:54:21,468 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 09:54:21,468 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 09:54:21,468 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 09:54:21,469 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 09:54:21,470 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 09:54:21,471 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 09:54:21,475 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 09:54:21,476 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 09:54:21,476 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 09:54:21,477 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-09-26 09:54:21,479 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-smtinterpol.epf [2018-09-26 09:54:21,489 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 09:54:21,490 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 09:54:21,491 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 09:54:21,491 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-09-26 09:54:21,492 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 09:54:21,492 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-09-26 09:54:21,492 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-09-26 09:54:21,492 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 09:54:21,543 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 09:54:21,556 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 09:54:21,559 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 09:54:21,561 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 09:54:21,561 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 09:54:21,562 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/doubleLoopUniformIterations.bpl [2018-09-26 09:54:21,563 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/doubleLoopUniformIterations.bpl' [2018-09-26 09:54:21,606 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 09:54:21,609 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 09:54:21,610 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 09:54:21,610 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 09:54:21,611 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 09:54:21,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:54:21" (1/1) ... [2018-09-26 09:54:21,647 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:54:21" (1/1) ... [2018-09-26 09:54:21,651 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-26 09:54:21,652 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-26 09:54:21,652 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-26 09:54:21,654 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 09:54:21,655 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 09:54:21,655 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 09:54:21,656 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 09:54:21,667 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:54:21" (1/1) ... [2018-09-26 09:54:21,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:54:21" (1/1) ... [2018-09-26 09:54:21,668 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:54:21" (1/1) ... [2018-09-26 09:54:21,668 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:54:21" (1/1) ... [2018-09-26 09:54:21,670 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:54:21" (1/1) ... [2018-09-26 09:54:21,678 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:54:21" (1/1) ... [2018-09-26 09:54:21,679 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:54:21" (1/1) ... [2018-09-26 09:54:21,681 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 09:54:21,681 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 09:54:21,681 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 09:54:21,682 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 09:54:21,685 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:54:21" (1/1) ... [2018-09-26 09:54:21,774 INFO L130 BoogieDeclarations]: Found specification of procedure Main [2018-09-26 09:54:21,775 INFO L138 BoogieDeclarations]: Found implementation of procedure Main [2018-09-26 09:54:21,890 INFO L343 CfgBuilder]: Using library mode [2018-09-26 09:54:21,890 INFO L202 PluginConnector]: Adding new model doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:54:21 BoogieIcfgContainer [2018-09-26 09:54:21,891 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 09:54:21,892 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 09:54:21,892 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 09:54:21,896 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 09:54:21,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:54:21" (1/2) ... [2018-09-26 09:54:21,897 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5039e18a and model type doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 09:54:21, skipping insertion in model container [2018-09-26 09:54:21,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:54:21" (2/2) ... [2018-09-26 09:54:21,900 INFO L112 eAbstractionObserver]: Analyzing ICFG doubleLoopUniformIterations.bpl [2018-09-26 09:54:21,910 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-09-26 09:54:21,919 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-09-26 09:54:21,970 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 09:54:21,971 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 09:54:21,971 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 09:54:21,971 INFO L383 AbstractCegarLoop]: Compute interpolants for PDR [2018-09-26 09:54:21,971 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 09:54:21,971 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 09:54:21,972 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 09:54:21,972 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 09:54:21,972 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 09:54:21,989 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2018-09-26 09:54:21,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 09:54:21,998 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:54:21,999 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-09-26 09:54:22,001 INFO L423 AbstractCegarLoop]: === Iteration 1 === [MainErr1ASSERT_VIOLATIONASSERT, MainErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 09:54:22,008 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:54:22,009 INFO L82 PathProgramCache]: Analyzing trace with hash 926725, now seen corresponding path program 1 times [2018-09-26 09:54:22,016 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:54:22,085 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 09:54:22,086 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-26 09:54:22,090 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-26 09:54:22,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-26 09:54:22,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-26 09:54:22,098 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 3 states. [2018-09-26 09:54:22,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 09:54:22,133 INFO L93 Difference]: Finished difference Result 15 states and 19 transitions. [2018-09-26 09:54:22,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-26 09:54:22,136 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-09-26 09:54:22,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 09:54:22,148 INFO L225 Difference]: With dead ends: 15 [2018-09-26 09:54:22,148 INFO L226 Difference]: Without dead ends: 8 [2018-09-26 09:54:22,152 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 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 09:54:22,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2018-09-26 09:54:22,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2018-09-26 09:54:22,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2018-09-26 09:54:22,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2018-09-26 09:54:22,194 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 10 transitions. Word has length 4 [2018-09-26 09:54:22,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 09:54:22,194 INFO L480 AbstractCegarLoop]: Abstraction has 8 states and 10 transitions. [2018-09-26 09:54:22,194 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-26 09:54:22,195 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2018-09-26 09:54:22,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-26 09:54:22,195 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:54:22,195 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-09-26 09:54:22,196 INFO L423 AbstractCegarLoop]: === Iteration 2 === [MainErr1ASSERT_VIOLATIONASSERT, MainErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 09:54:22,196 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:54:22,197 INFO L82 PathProgramCache]: Analyzing trace with hash 28728519, now seen corresponding path program 1 times [2018-09-26 09:54:22,197 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:54:22,239 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 09:54:22,240 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-26 09:54:22,241 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-26 09:54:22,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-26 09:54:22,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-09-26 09:54:22,242 INFO L87 Difference]: Start difference. First operand 8 states and 10 transitions. Second operand 4 states. [2018-09-26 09:54:22,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 09:54:22,257 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2018-09-26 09:54:22,258 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-26 09:54:22,258 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2018-09-26 09:54:22,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 09:54:22,259 INFO L225 Difference]: With dead ends: 11 [2018-09-26 09:54:22,259 INFO L226 Difference]: Without dead ends: 7 [2018-09-26 09:54:22,261 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-09-26 09:54:22,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-09-26 09:54:22,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-09-26 09:54:22,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-09-26 09:54:22,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 8 transitions. [2018-09-26 09:54:22,264 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 8 transitions. Word has length 5 [2018-09-26 09:54:22,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 09:54:22,265 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 8 transitions. [2018-09-26 09:54:22,265 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-26 09:54:22,265 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-09-26 09:54:22,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 09:54:22,268 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:54:22,268 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-09-26 09:54:22,268 INFO L423 AbstractCegarLoop]: === Iteration 3 === [MainErr1ASSERT_VIOLATIONASSERT, MainErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 09:54:22,269 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:54:22,269 INFO L82 PathProgramCache]: Analyzing trace with hash 891297133, now seen corresponding path program 1 times [2018-09-26 09:54:22,269 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:54:57,108 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 441 [2018-09-26 09:55:29,702 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 561 [2018-09-26 09:55:35,622 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 577 [2018-09-26 09:55:38,722 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 585 [2018-09-26 09:55:41,971 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 593 [2018-09-26 09:55:45,302 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 601 [2018-09-26 09:55:48,784 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 609 [2018-09-26 09:55:52,425 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 617 [2018-09-26 09:55:56,225 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 625 [2018-09-26 09:56:00,070 WARN L178 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2018-09-26 09:56:04,110 WARN L178 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 641 [2018-09-26 09:56:08,258 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 649 [2018-09-26 09:56:12,548 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 657 [2018-09-26 09:56:16,990 WARN L178 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 665 [2018-09-26 09:56:21,577 WARN L178 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 673 [2018-09-26 09:56:26,342 WARN L178 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 681 [2018-09-26 09:56:31,264 WARN L178 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 689 [2018-09-26 09:56:36,326 WARN L178 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 697 [2018-09-26 09:56:41,540 WARN L178 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 705 [2018-09-26 09:56:47,695 WARN L178 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 713 [2018-09-26 09:56:53,407 WARN L178 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 721 [2018-09-26 09:56:59,138 WARN L178 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 729 [2018-09-26 09:57:05,060 WARN L178 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 737 [2018-09-26 09:57:11,166 WARN L178 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 745 [2018-09-26 09:57:17,448 WARN L178 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 753 [2018-09-26 09:57:23,878 WARN L178 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 761 [2018-09-26 09:57:30,490 WARN L178 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 769 [2018-09-26 09:57:37,302 WARN L178 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 777 [2018-09-26 09:57:44,323 WARN L178 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 785 [2018-09-26 09:57:51,484 WARN L178 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 793 [2018-09-26 09:57:58,796 WARN L178 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 801 [2018-09-26 09:58:06,334 WARN L178 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 809 [2018-09-26 09:58:14,097 WARN L178 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 817 [2018-09-26 09:58:22,057 WARN L178 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 825 [2018-09-26 09:58:30,208 WARN L178 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 833 [2018-09-26 09:58:38,579 WARN L178 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 841 [2018-09-26 09:58:47,132 WARN L178 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 849 Received shutdown request... [2018-09-26 09:58:52,997 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-26 09:58:53,001 WARN L206 ceAbstractionStarter]: Timeout [2018-09-26 09:58:53,001 INFO L202 PluginConnector]: Adding new model doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.09 09:58:53 BoogieIcfgContainer [2018-09-26 09:58:53,001 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 09:58:53,002 INFO L168 Benchmark]: Toolchain (without parser) took 271395.34 ms. Allocated memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: -300.9 MB). Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 316.7 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. [2018-09-26 09:58:53,004 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 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. [2018-09-26 09:58:53,004 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.60 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. [2018-09-26 09:58:53,006 INFO L168 Benchmark]: Boogie Preprocessor took 25.43 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. [2018-09-26 09:58:53,006 INFO L168 Benchmark]: RCFGBuilder took 209.60 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. [2018-09-26 09:58:53,007 INFO L168 Benchmark]: TraceAbstraction took 271109.58 ms. Allocated memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: -300.9 MB). Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 306.1 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. [2018-09-26 09:58:53,011 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 44.60 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. * Boogie Preprocessor took 25.43 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 209.60 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 271109.58 ms. Allocated memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: -300.9 MB). Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 306.1 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 24]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 24). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 1, while Pdr was Timeout or canceled while running Pdr. - TimeoutResultAtElement [Line: 23]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 23). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 1, while Pdr was Timeout or canceled while running Pdr. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 2 error locations. TIMEOUT Result, 271.0s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 11 SDtfs, 7 SDslu, 2 SDs, 0 SdLazy, 11 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 74 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=0, 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: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s PdrRuntime, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/doubleLoopUniformIterations.bpl_AutomizerBpl-pdr-smtinterpol.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_09-58-53-021.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/doubleLoopUniformIterations.bpl_AutomizerBpl-pdr-smtinterpol.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-26_09-58-53-021.csv Completed graceful shutdown