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-pdr-smtinterpol.epf -i ../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/doubleLoopUniformIterations.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 15:01:32,326 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 15:01:32,332 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 15:01:32,351 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 15:01:32,351 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 15:01:32,352 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 15:01:32,354 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 15:01:32,356 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 15:01:32,358 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 15:01:32,359 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 15:01:32,360 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 15:01:32,360 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 15:01:32,361 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 15:01:32,362 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 15:01:32,364 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 15:01:32,365 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 15:01:32,366 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 15:01:32,369 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 15:01:32,371 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 15:01:32,373 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 15:01:32,374 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 15:01:32,376 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 15:01:32,378 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 15:01:32,379 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 15:01:32,379 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 15:01:32,380 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 15:01:32,381 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 15:01:32,382 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 15:01:32,383 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 15:01:32,385 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 15:01:32,385 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 15:01:32,386 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-25 15:01:32,386 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-25 15:01:32,386 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-25 15:01:32,388 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-25 15:01:32,388 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-25 15:01:32,389 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-smtinterpol.epf [2018-07-25 15:01:32,398 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 15:01:32,398 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 15:01:32,400 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-25 15:01:32,400 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-07-25 15:01:32,400 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 15:01:32,400 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 15:01:32,401 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-25 15:01:32,401 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 15:01:32,469 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 15:01:32,481 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 15:01:32,485 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 15:01:32,486 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 15:01:32,487 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 15:01:32,488 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/doubleLoopUniformIterations.bpl [2018-07-25 15:01:32,488 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/doubleLoopUniformIterations.bpl' [2018-07-25 15:01:32,533 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 15:01:32,535 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 15:01:32,536 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 15:01:32,536 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 15:01:32,536 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 15:01:32,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 03:01:32" (1/1) ... [2018-07-25 15:01:32,573 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 03:01:32" (1/1) ... [2018-07-25 15:01:32,579 WARN L165 Inliner]: Program contained no entry procedure! [2018-07-25 15:01:32,579 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-07-25 15:01:32,579 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-07-25 15:01:32,582 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 15:01:32,583 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 15:01:32,583 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 15:01:32,583 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 15:01:32,596 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 03:01:32" (1/1) ... [2018-07-25 15:01:32,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 03:01:32" (1/1) ... [2018-07-25 15:01:32,597 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 03:01:32" (1/1) ... [2018-07-25 15:01:32,597 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 03:01:32" (1/1) ... [2018-07-25 15:01:32,602 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 03:01:32" (1/1) ... [2018-07-25 15:01:32,610 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 03:01:32" (1/1) ... [2018-07-25 15:01:32,611 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 03:01:32" (1/1) ... [2018-07-25 15:01:32,613 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 15:01:32,614 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 15:01:32,614 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 15:01:32,614 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 15:01:32,618 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 03:01:32" (1/1) ... [2018-07-25 15:01:32,711 INFO L130 BoogieDeclarations]: Found specification of procedure Main [2018-07-25 15:01:32,711 INFO L138 BoogieDeclarations]: Found implementation of procedure Main [2018-07-25 15:01:32,866 INFO L270 CfgBuilder]: Using library mode [2018-07-25 15:01:32,867 INFO L202 PluginConnector]: Adding new model doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 03:01:32 BoogieIcfgContainer [2018-07-25 15:01:32,867 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 15:01:32,869 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 15:01:32,869 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 15:01:32,874 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 15:01:32,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 03:01:32" (1/2) ... [2018-07-25 15:01:32,876 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c5824ea and model type doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 03:01:32, skipping insertion in model container [2018-07-25 15:01:32,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 03:01:32" (2/2) ... [2018-07-25 15:01:32,879 INFO L112 eAbstractionObserver]: Analyzing ICFG doubleLoopUniformIterations.bpl [2018-07-25 15:01:32,893 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 15:01:32,904 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-07-25 15:01:32,965 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 15:01:32,966 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 15:01:32,966 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 15:01:32,967 INFO L376 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-25 15:01:32,967 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 15:01:32,967 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 15:01:32,967 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 15:01:32,967 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 15:01:32,968 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 15:01:32,986 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2018-07-25 15:01:32,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-25 15:01:33,000 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 15:01:33,001 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-25 15:01:33,003 INFO L415 AbstractCegarLoop]: === Iteration 1 === [MainErr1ASSERT_VIOLATIONASSERT, MainErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 15:01:33,010 INFO L82 PathProgramCache]: Analyzing trace with hash 926725, now seen corresponding path program 1 times [2018-07-25 15:01:33,018 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 15:01:33,076 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 15:01:33,076 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-25 15:01:33,081 INFO L451 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-25 15:01:33,087 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-25 15:01:33,088 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-25 15:01:33,091 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 3 states. [2018-07-25 15:01:33,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 15:01:33,129 INFO L93 Difference]: Finished difference Result 15 states and 19 transitions. [2018-07-25 15:01:33,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-25 15:01:33,131 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-07-25 15:01:33,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 15:01:33,143 INFO L225 Difference]: With dead ends: 15 [2018-07-25 15:01:33,143 INFO L226 Difference]: Without dead ends: 8 [2018-07-25 15:01:33,148 INFO L574 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 [2018-07-25 15:01:33,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2018-07-25 15:01:33,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2018-07-25 15:01:33,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2018-07-25 15:01:33,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2018-07-25 15:01:33,189 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 10 transitions. Word has length 4 [2018-07-25 15:01:33,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 15:01:33,190 INFO L472 AbstractCegarLoop]: Abstraction has 8 states and 10 transitions. [2018-07-25 15:01:33,190 INFO L473 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-25 15:01:33,190 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2018-07-25 15:01:33,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-07-25 15:01:33,191 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 15:01:33,191 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-07-25 15:01:33,191 INFO L415 AbstractCegarLoop]: === Iteration 2 === [MainErr1ASSERT_VIOLATIONASSERT, MainErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 15:01:33,192 INFO L82 PathProgramCache]: Analyzing trace with hash 28728519, now seen corresponding path program 1 times [2018-07-25 15:01:33,192 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 15:01:33,236 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 15:01:33,237 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-25 15:01:33,238 INFO L451 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-25 15:01:33,238 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-25 15:01:33,239 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-07-25 15:01:33,239 INFO L87 Difference]: Start difference. First operand 8 states and 10 transitions. Second operand 4 states. [2018-07-25 15:01:33,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 15:01:33,258 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2018-07-25 15:01:33,259 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-25 15:01:33,259 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2018-07-25 15:01:33,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 15:01:33,260 INFO L225 Difference]: With dead ends: 11 [2018-07-25 15:01:33,260 INFO L226 Difference]: Without dead ends: 7 [2018-07-25 15:01:33,263 INFO L574 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 [2018-07-25 15:01:33,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-07-25 15:01:33,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-07-25 15:01:33,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-25 15:01:33,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 8 transitions. [2018-07-25 15:01:33,267 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 8 transitions. Word has length 5 [2018-07-25 15:01:33,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 15:01:33,267 INFO L472 AbstractCegarLoop]: Abstraction has 7 states and 8 transitions. [2018-07-25 15:01:33,268 INFO L473 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-25 15:01:33,268 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-07-25 15:01:33,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-25 15:01:33,268 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 15:01:33,269 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-07-25 15:01:33,269 INFO L415 AbstractCegarLoop]: === Iteration 3 === [MainErr1ASSERT_VIOLATIONASSERT, MainErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 15:01:33,269 INFO L82 PathProgramCache]: Analyzing trace with hash 891297133, now seen corresponding path program 1 times [2018-07-25 15:01:33,270 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 15:02:08,384 WARN L169 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 433 [2018-07-25 15:02:10,294 WARN L169 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 441 [2018-07-25 15:02:38,729 WARN L169 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 545 [2018-07-25 15:02:44,654 WARN L169 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 561 [2018-07-25 15:02:47,681 WARN L169 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 569 [2018-07-25 15:02:50,901 WARN L169 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 577 [2018-07-25 15:02:54,243 WARN L169 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 585 [2018-07-25 15:02:57,667 WARN L169 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 593 [2018-07-25 15:03:01,283 WARN L169 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 601 [2018-07-25 15:03:04,912 WARN L169 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 609 [2018-07-25 15:03:08,819 WARN L169 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 617 [2018-07-25 15:03:13,024 WARN L169 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 625 [2018-07-25 15:03:17,073 WARN L169 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2018-07-25 15:03:21,310 WARN L169 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 641 [2018-07-25 15:03:25,602 WARN L169 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 649 [2018-07-25 15:03:30,052 WARN L169 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 657 [2018-07-25 15:03:34,769 WARN L169 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 665 [2018-07-25 15:03:39,480 WARN L169 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 673 [2018-07-25 15:03:44,452 WARN L169 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 681 [2018-07-25 15:03:49,701 WARN L169 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 689 [2018-07-25 15:03:55,090 WARN L169 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 697 [2018-07-25 15:04:00,550 WARN L169 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 705 [2018-07-25 15:04:06,947 WARN L169 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 713 [2018-07-25 15:04:12,710 WARN L169 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 721 [2018-07-25 15:04:18,775 WARN L169 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 729 [2018-07-25 15:04:25,280 WARN L169 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 737 [2018-07-25 15:04:31,426 WARN L169 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 745 [2018-07-25 15:04:38,251 WARN L169 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 753 [2018-07-25 15:04:44,914 WARN L169 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 761 [2018-07-25 15:04:52,005 WARN L169 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 769 [2018-07-25 15:04:59,162 WARN L169 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 777 [2018-07-25 15:05:06,652 WARN L169 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 785 [2018-07-25 15:05:14,377 WARN L169 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 793 [2018-07-25 15:05:22,257 WARN L169 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 801 [2018-07-25 15:05:30,452 WARN L169 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 809 [2018-07-25 15:05:38,709 WARN L169 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 817 [2018-07-25 15:05:46,959 WARN L169 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 825 [2018-07-25 15:05:55,242 WARN L169 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 833 Received shutdown request... [2018-07-25 15:06:01,902 WARN L541 AbstractCegarLoop]: Verification canceled [2018-07-25 15:06:01,907 WARN L202 ceAbstractionStarter]: Timeout [2018-07-25 15:06:01,907 INFO L202 PluginConnector]: Adding new model doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.07 03:06:01 BoogieIcfgContainer [2018-07-25 15:06:01,908 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-25 15:06:01,908 INFO L168 Benchmark]: Toolchain (without parser) took 269374.32 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -272.1 MB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 362.5 MB). Peak memory consumption was 328.9 MB. Max. memory is 7.1 GB. [2018-07-25 15:06:01,910 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 15:06:01,911 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.53 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 15:06:01,911 INFO L168 Benchmark]: Boogie Preprocessor took 30.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 15:06:01,912 INFO L168 Benchmark]: RCFGBuilder took 253.36 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. [2018-07-25 15:06:01,913 INFO L168 Benchmark]: TraceAbstraction took 269038.75 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -272.1 MB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 351.9 MB). Peak memory consumption was 318.4 MB. Max. memory is 7.1 GB. [2018-07-25 15:06:01,917 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 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 46.53 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 30.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 253.36 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 269038.75 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -272.1 MB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 351.9 MB). Peak memory consumption was 318.4 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 PredicateComparison was comparing new predicate (quantifier-free) to 316 known predicates. - 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 PredicateComparison was comparing new predicate (quantifier-free) to 316 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 2 error locations. TIMEOUT Result, 268.9s 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-0-2018-07-25_15-06-01-929.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/doubleLoopUniformIterations.bpl_AutomizerBpl-pdr-smtinterpol.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-25_15-06-01-929.csv Completed graceful shutdown