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.epf -i ../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/doubleLoopUniformIterations.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 09:45:24,793 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 09:45:24,798 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 09:45:24,816 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 09:45:24,816 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 09:45:24,818 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 09:45:24,820 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 09:45:24,822 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 09:45:24,825 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 09:45:24,827 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 09:45:24,828 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 09:45:24,830 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 09:45:24,830 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 09:45:24,831 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 09:45:24,832 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 09:45:24,833 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 09:45:24,836 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 09:45:24,839 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 09:45:24,846 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 09:45:24,851 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 09:45:24,852 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 09:45:24,855 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 09:45:24,861 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 09:45:24,862 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 09:45:24,862 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 09:45:24,863 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 09:45:24,864 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 09:45:24,865 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 09:45:24,866 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 09:45:24,867 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 09:45:24,867 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 09:45:24,868 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-25 09:45:24,869 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-25 09:45:24,869 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-25 09:45:24,870 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-25 09:45:24,871 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-25 09:45:24,871 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr.epf [2018-07-25 09:45:24,885 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 09:45:24,885 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 09:45:24,887 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 09:45:24,887 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 09:45:24,887 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-25 09:45:24,887 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 09:45:24,949 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 09:45:24,963 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 09:45:24,967 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 09:45:24,968 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 09:45:24,968 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 09:45:24,969 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/doubleLoopUniformIterations.bpl [2018-07-25 09:45:24,969 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/doubleLoopUniformIterations.bpl' [2018-07-25 09:45:25,009 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 09:45:25,011 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 09:45:25,011 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 09:45:25,012 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 09:45:25,012 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 09:45:25,030 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 09:45:25" (1/1) ... [2018-07-25 09:45:25,041 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 09:45:25" (1/1) ... [2018-07-25 09:45:25,046 WARN L165 Inliner]: Program contained no entry procedure! [2018-07-25 09:45:25,046 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-07-25 09:45:25,046 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-07-25 09:45:25,048 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 09:45:25,049 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 09:45:25,049 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 09:45:25,049 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 09:45:25,059 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:45:25" (1/1) ... [2018-07-25 09:45:25,060 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:45:25" (1/1) ... [2018-07-25 09:45:25,060 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:45:25" (1/1) ... [2018-07-25 09:45:25,061 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:45:25" (1/1) ... [2018-07-25 09:45:25,063 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:45:25" (1/1) ... [2018-07-25 09:45:25,068 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:45:25" (1/1) ... [2018-07-25 09:45:25,069 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:45:25" (1/1) ... [2018-07-25 09:45:25,070 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 09:45:25,071 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 09:45:25,071 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 09:45:25,071 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 09:45:25,072 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:45:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-07-25 09:45:25,133 INFO L130 BoogieDeclarations]: Found specification of procedure Main [2018-07-25 09:45:25,133 INFO L138 BoogieDeclarations]: Found implementation of procedure Main [2018-07-25 09:45:25,402 INFO L270 CfgBuilder]: Using library mode [2018-07-25 09:45:25,403 INFO L202 PluginConnector]: Adding new model doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 09:45:25 BoogieIcfgContainer [2018-07-25 09:45:25,403 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 09:45:25,404 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 09:45:25,404 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 09:45:25,408 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 09:45:25,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:45:25" (1/2) ... [2018-07-25 09:45:25,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@582e6295 and model type doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 09:45:25, skipping insertion in model container [2018-07-25 09:45:25,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 09:45:25" (2/2) ... [2018-07-25 09:45:25,411 INFO L112 eAbstractionObserver]: Analyzing ICFG doubleLoopUniformIterations.bpl [2018-07-25 09:45:25,422 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 09:45:25,432 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-07-25 09:45:25,481 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 09:45:25,482 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 09:45:25,482 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 09:45:25,482 INFO L376 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-25 09:45:25,482 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 09:45:25,483 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 09:45:25,483 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 09:45:25,483 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 09:45:25,483 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 09:45:25,499 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2018-07-25 09:45:25,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-25 09:45:25,508 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:45:25,510 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-25 09:45:25,514 INFO L415 AbstractCegarLoop]: === Iteration 1 === [MainErr1ASSERT_VIOLATIONASSERT, MainErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 09:45:25,520 INFO L82 PathProgramCache]: Analyzing trace with hash 926725, now seen corresponding path program 1 times [2018-07-25 09:45:25,526 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:45:25,583 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 09:45:25,584 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-25 09:45:25,587 INFO L451 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-25 09:45:25,592 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-25 09:45:25,593 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-25 09:45:25,595 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 3 states. [2018-07-25 09:45:25,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 09:45:25,716 INFO L93 Difference]: Finished difference Result 15 states and 19 transitions. [2018-07-25 09:45:25,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-25 09:45:25,720 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-07-25 09:45:25,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 09:45:25,733 INFO L225 Difference]: With dead ends: 15 [2018-07-25 09:45:25,740 INFO L226 Difference]: Without dead ends: 8 [2018-07-25 09:45:25,750 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 09:45:25,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2018-07-25 09:45:25,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2018-07-25 09:45:25,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2018-07-25 09:45:25,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2018-07-25 09:45:25,797 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 10 transitions. Word has length 4 [2018-07-25 09:45:25,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 09:45:25,798 INFO L472 AbstractCegarLoop]: Abstraction has 8 states and 10 transitions. [2018-07-25 09:45:25,798 INFO L473 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-25 09:45:25,798 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2018-07-25 09:45:25,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-07-25 09:45:25,799 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:45:25,799 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-07-25 09:45:25,800 INFO L415 AbstractCegarLoop]: === Iteration 2 === [MainErr1ASSERT_VIOLATIONASSERT, MainErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 09:45:25,800 INFO L82 PathProgramCache]: Analyzing trace with hash 28728519, now seen corresponding path program 1 times [2018-07-25 09:45:25,800 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:45:25,937 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 09:45:25,937 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-25 09:45:25,938 INFO L451 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-25 09:45:25,939 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-25 09:45:25,939 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-07-25 09:45:25,939 INFO L87 Difference]: Start difference. First operand 8 states and 10 transitions. Second operand 4 states. [2018-07-25 09:45:25,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 09:45:25,981 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2018-07-25 09:45:25,981 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-25 09:45:25,982 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2018-07-25 09:45:25,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 09:45:25,982 INFO L225 Difference]: With dead ends: 11 [2018-07-25 09:45:25,982 INFO L226 Difference]: Without dead ends: 7 [2018-07-25 09:45:25,984 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-07-25 09:45:25,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-07-25 09:45:25,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-07-25 09:45:25,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-25 09:45:25,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 8 transitions. [2018-07-25 09:45:25,987 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 8 transitions. Word has length 5 [2018-07-25 09:45:25,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 09:45:25,987 INFO L472 AbstractCegarLoop]: Abstraction has 7 states and 8 transitions. [2018-07-25 09:45:25,988 INFO L473 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-25 09:45:25,988 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-07-25 09:45:25,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-25 09:45:25,988 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:45:25,988 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-07-25 09:45:25,989 INFO L415 AbstractCegarLoop]: === Iteration 3 === [MainErr1ASSERT_VIOLATIONASSERT, MainErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 09:45:25,989 INFO L82 PathProgramCache]: Analyzing trace with hash 891297133, now seen corresponding path program 1 times [2018-07-25 09:45:25,989 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:45:27,963 WARN L169 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2018-07-25 09:45:32,397 WARN L169 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2018-07-25 09:45:32,911 WARN L169 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2018-07-25 09:45:33,435 WARN L169 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2018-07-25 09:45:34,190 WARN L169 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2018-07-25 09:45:34,781 WARN L169 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2018-07-25 09:45:35,498 WARN L169 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2018-07-25 09:45:36,148 WARN L169 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2018-07-25 09:45:36,850 WARN L169 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2018-07-25 09:45:37,664 WARN L169 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2018-07-25 09:45:38,540 WARN L169 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2018-07-25 09:45:39,472 WARN L169 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2018-07-25 09:45:40,512 WARN L169 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2018-07-25 09:45:41,489 WARN L169 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2018-07-25 09:45:43,199 WARN L169 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 249 [2018-07-25 09:45:45,407 WARN L169 SmtUtils]: Spent 700.00 ms on a formula simplification that was a NOOP. DAG size: 257 [2018-07-25 09:45:47,358 WARN L169 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2018-07-25 09:45:48,596 WARN L169 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 273 [2018-07-25 09:45:49,884 WARN L169 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 281 [2018-07-25 09:45:51,259 WARN L169 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2018-07-25 09:45:52,672 WARN L169 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2018-07-25 09:45:54,238 WARN L169 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 305 [2018-07-25 09:45:55,781 WARN L169 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 313 [2018-07-25 09:45:57,420 WARN L169 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 321 [2018-07-25 09:45:59,128 WARN L169 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 329 [2018-07-25 09:46:00,978 WARN L169 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 337 [2018-07-25 09:46:02,784 WARN L169 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 345 [2018-07-25 09:46:04,772 WARN L169 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 353 [2018-07-25 09:46:06,774 WARN L169 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 361 [2018-07-25 09:46:08,805 WARN L169 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 369 [2018-07-25 09:46:11,008 WARN L169 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 377 [2018-07-25 09:46:13,268 WARN L169 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2018-07-25 09:46:15,568 WARN L169 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2018-07-25 09:46:18,190 WARN L169 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 401 [2018-07-25 09:46:20,759 WARN L169 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 409 [2018-07-25 09:46:23,395 WARN L169 SmtUtils]: Spent 446.00 ms on a formula simplification that was a NOOP. DAG size: 417 [2018-07-25 09:46:26,123 WARN L169 SmtUtils]: Spent 469.00 ms on a formula simplification that was a NOOP. DAG size: 425 [2018-07-25 09:46:28,925 WARN L169 SmtUtils]: Spent 471.00 ms on a formula simplification that was a NOOP. DAG size: 433 [2018-07-25 09:46:31,900 WARN L169 SmtUtils]: Spent 571.00 ms on a formula simplification that was a NOOP. DAG size: 441 [2018-07-25 09:46:34,940 WARN L169 SmtUtils]: Spent 513.00 ms on a formula simplification that was a NOOP. DAG size: 449 [2018-07-25 09:46:38,211 WARN L169 SmtUtils]: Spent 536.00 ms on a formula simplification that was a NOOP. DAG size: 457 [2018-07-25 09:46:41,490 WARN L169 SmtUtils]: Spent 560.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2018-07-25 09:46:44,886 WARN L169 SmtUtils]: Spent 556.00 ms on a formula simplification that was a NOOP. DAG size: 473 [2018-07-25 09:46:48,374 WARN L169 SmtUtils]: Spent 567.00 ms on a formula simplification that was a NOOP. DAG size: 481 [2018-07-25 09:46:52,012 WARN L169 SmtUtils]: Spent 604.00 ms on a formula simplification that was a NOOP. DAG size: 489 [2018-07-25 09:46:55,665 WARN L169 SmtUtils]: Spent 586.00 ms on a formula simplification that was a NOOP. DAG size: 497 [2018-07-25 09:46:59,650 WARN L169 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 505 [2018-07-25 09:47:03,657 WARN L169 SmtUtils]: Spent 625.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2018-07-25 09:47:07,777 WARN L169 SmtUtils]: Spent 700.00 ms on a formula simplification that was a NOOP. DAG size: 521 [2018-07-25 09:47:12,002 WARN L169 SmtUtils]: Spent 645.00 ms on a formula simplification that was a NOOP. DAG size: 529 [2018-07-25 09:47:16,331 WARN L169 SmtUtils]: Spent 666.00 ms on a formula simplification that was a NOOP. DAG size: 537 [2018-07-25 09:47:20,835 WARN L169 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 545 [2018-07-25 09:47:25,687 WARN L169 SmtUtils]: Spent 698.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2018-07-25 09:47:30,597 WARN L169 SmtUtils]: Spent 713.00 ms on a formula simplification that was a NOOP. DAG size: 561 [2018-07-25 09:47:35,555 WARN L169 SmtUtils]: Spent 735.00 ms on a formula simplification that was a NOOP. DAG size: 569 [2018-07-25 09:47:40,619 WARN L169 SmtUtils]: Spent 746.00 ms on a formula simplification that was a NOOP. DAG size: 577 [2018-07-25 09:47:45,918 WARN L169 SmtUtils]: Spent 761.00 ms on a formula simplification that was a NOOP. DAG size: 585 [2018-07-25 09:47:51,371 WARN L169 SmtUtils]: Spent 770.00 ms on a formula simplification that was a NOOP. DAG size: 593 [2018-07-25 09:47:56,978 WARN L169 SmtUtils]: Spent 795.00 ms on a formula simplification that was a NOOP. DAG size: 601 [2018-07-25 09:48:02,621 WARN L169 SmtUtils]: Spent 818.00 ms on a formula simplification that was a NOOP. DAG size: 609 [2018-07-25 09:48:08,437 WARN L169 SmtUtils]: Spent 830.00 ms on a formula simplification that was a NOOP. DAG size: 617 [2018-07-25 09:48:14,538 WARN L169 SmtUtils]: Spent 901.00 ms on a formula simplification that was a NOOP. DAG size: 625 [2018-07-25 09:48:20,732 WARN L169 SmtUtils]: Spent 867.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2018-07-25 09:48:27,084 WARN L169 SmtUtils]: Spent 886.00 ms on a formula simplification that was a NOOP. DAG size: 641 [2018-07-25 09:48:33,537 WARN L169 SmtUtils]: Spent 910.00 ms on a formula simplification that was a NOOP. DAG size: 649 [2018-07-25 09:48:40,269 WARN L169 SmtUtils]: Spent 964.00 ms on a formula simplification that was a NOOP. DAG size: 657 [2018-07-25 09:48:47,277 WARN L169 SmtUtils]: Spent 946.00 ms on a formula simplification that was a NOOP. DAG size: 665 [2018-07-25 09:48:54,301 WARN L169 SmtUtils]: Spent 970.00 ms on a formula simplification that was a NOOP. DAG size: 673 [2018-07-25 09:49:01,454 WARN L169 SmtUtils]: Spent 968.00 ms on a formula simplification that was a NOOP. DAG size: 681 [2018-07-25 09:49:08,914 WARN L169 SmtUtils]: Spent 994.00 ms on a formula simplification that was a NOOP. DAG size: 689 [2018-07-25 09:49:16,561 WARN L169 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 697 [2018-07-25 09:49:24,583 WARN L169 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 705 [2018-07-25 09:49:32,515 WARN L169 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 713 [2018-07-25 09:49:40,663 WARN L169 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 721 [2018-07-25 09:49:48,943 WARN L169 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 729 [2018-07-25 09:49:57,452 WARN L169 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 737 Received shutdown request... [2018-07-25 09:50:04,076 WARN L541 AbstractCegarLoop]: Verification canceled [2018-07-25 09:50:04,083 WARN L202 ceAbstractionStarter]: Timeout [2018-07-25 09:50:04,084 INFO L202 PluginConnector]: Adding new model doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.07 09:50:04 BoogieIcfgContainer [2018-07-25 09:50:04,084 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-25 09:50:04,085 INFO L168 Benchmark]: Toolchain (without parser) took 279075.13 ms. Allocated memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: -360.7 MB). Free memory was 1.5 GB in the beginning and 906.4 MB in the end (delta: 567.2 MB). Peak memory consumption was 229.6 MB. Max. memory is 7.1 GB. [2018-07-25 09:50:04,086 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.16 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 09:50:04,087 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.24 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 09:50:04,087 INFO L168 Benchmark]: Boogie Preprocessor took 21.12 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 09:50:04,088 INFO L168 Benchmark]: RCFGBuilder took 332.64 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-07-25 09:50:04,089 INFO L168 Benchmark]: TraceAbstraction took 278679.71 ms. Allocated memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: -360.7 MB). Free memory was 1.5 GB in the beginning and 906.4 MB in the end (delta: 546.0 MB). Peak memory consumption was 208.5 MB. Max. memory is 7.1 GB. [2018-07-25 09:50:04,093 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 0.16 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 37.24 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 21.12 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 332.64 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 278679.71 ms. Allocated memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: -360.7 MB). Free memory was 1.5 GB in the beginning and 906.4 MB in the end (delta: 546.0 MB). Peak memory consumption was 208.5 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 280 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 280 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 2 error locations. TIMEOUT Result, 278.6s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 11 SDtfs, 7 SDslu, 2 SDs, 0 SdLazy, 11 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 74 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s 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: 0.1s 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.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-07-25_09-50-04-106.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/doubleLoopUniformIterations.bpl_AutomizerBpl-pdr.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-25_09-50-04-106.csv Completed graceful shutdown