java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBpl.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/programs/regression/bpl/AutomizerBpl-pdr.epf -i ../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/nested1.i_4.bplTransformedIcfg_BEv2_12.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-56c9370 [2018-07-23 15:48:28,676 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 15:48:28,678 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 15:48:28,691 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 15:48:28,691 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 15:48:28,692 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 15:48:28,694 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 15:48:28,695 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 15:48:28,697 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 15:48:28,698 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 15:48:28,699 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 15:48:28,699 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 15:48:28,700 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 15:48:28,701 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 15:48:28,702 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 15:48:28,703 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 15:48:28,703 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 15:48:28,705 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 15:48:28,707 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 15:48:28,709 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 15:48:28,710 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 15:48:28,711 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 15:48:28,713 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 15:48:28,713 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 15:48:28,714 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 15:48:28,714 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 15:48:28,715 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 15:48:28,716 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 15:48:28,718 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 15:48:28,719 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 15:48:28,719 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 15:48:28,720 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 15:48:28,720 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 15:48:28,720 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 15:48:28,725 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 15:48:28,726 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 15:48:28,726 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/AutomizerBpl-pdr.epf [2018-07-23 15:48:28,739 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 15:48:28,741 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 15:48:28,742 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 15:48:28,742 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-23 15:48:28,743 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-23 15:48:28,743 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 15:48:28,815 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 15:48:28,831 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 15:48:28,836 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 15:48:28,838 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-23 15:48:28,838 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-23 15:48:28,839 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/nested1.i_4.bplTransformedIcfg_BEv2_12.bpl [2018-07-23 15:48:28,839 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/nested1.i_4.bplTransformedIcfg_BEv2_12.bpl' [2018-07-23 15:48:28,909 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 15:48:28,911 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-07-23 15:48:28,912 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 15:48:28,912 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 15:48:28,912 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 15:48:28,942 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:48:28" (1/1) ... [2018-07-23 15:48:28,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:48:28" (1/1) ... [2018-07-23 15:48:28,953 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:48:28" (1/1) ... [2018-07-23 15:48:28,954 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:48:28" (1/1) ... [2018-07-23 15:48:28,956 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:48:28" (1/1) ... [2018-07-23 15:48:28,958 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:48:28" (1/1) ... [2018-07-23 15:48:28,959 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:48:28" (1/1) ... [2018-07-23 15:48:28,961 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 15:48:28,962 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 15:48:28,962 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 15:48:28,962 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 15:48:28,963 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:48:28" (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 [2018-07-23 15:48:29,032 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-07-23 15:48:29,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 15:48:29,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 15:48:29,201 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 15:48:29,202 INFO L202 PluginConnector]: Adding new model nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:48:29 BoogieIcfgContainer [2018-07-23 15:48:29,202 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 15:48:29,203 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 15:48:29,203 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 15:48:29,207 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 15:48:29,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:48:28" (1/2) ... [2018-07-23 15:48:29,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42084681 and model type nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:48:29, skipping insertion in model container [2018-07-23 15:48:29,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:48:29" (2/2) ... [2018-07-23 15:48:29,210 INFO L112 eAbstractionObserver]: Analyzing ICFG nested1.i_4.bplTransformedIcfg_BEv2_12.bpl [2018-07-23 15:48:29,220 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-23 15:48:29,228 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 15:48:29,275 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 15:48:29,276 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 15:48:29,276 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 15:48:29,276 INFO L375 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-23 15:48:29,277 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 15:48:29,277 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 15:48:29,277 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 15:48:29,277 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 15:48:29,278 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 15:48:29,292 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2018-07-23 15:48:29,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-07-23 15:48:29,301 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 15:48:29,302 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-07-23 15:48:29,302 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 15:48:29,308 INFO L82 PathProgramCache]: Analyzing trace with hash 29955, now seen corresponding path program 1 times [2018-07-23 15:48:29,314 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 15:48:29,665 WARN L169 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 11 [2018-07-23 15:48:29,729 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 15:48:29,729 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-23 15:48:29,734 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 15:48:29,739 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 15:48:29,740 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-23 15:48:29,742 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 3 states. [2018-07-23 15:48:29,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 15:48:29,793 INFO L93 Difference]: Finished difference Result 10 states and 15 transitions. [2018-07-23 15:48:29,794 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 15:48:29,796 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2018-07-23 15:48:29,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 15:48:29,807 INFO L225 Difference]: With dead ends: 10 [2018-07-23 15:48:29,808 INFO L226 Difference]: Without dead ends: 6 [2018-07-23 15:48:29,811 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-23 15:48:29,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2018-07-23 15:48:29,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2018-07-23 15:48:29,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-07-23 15:48:29,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. [2018-07-23 15:48:29,849 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 7 transitions. Word has length 3 [2018-07-23 15:48:29,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 15:48:29,850 INFO L471 AbstractCegarLoop]: Abstraction has 6 states and 7 transitions. [2018-07-23 15:48:29,850 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 15:48:29,850 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2018-07-23 15:48:29,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-07-23 15:48:29,851 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 15:48:29,851 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-07-23 15:48:29,851 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 15:48:29,852 INFO L82 PathProgramCache]: Analyzing trace with hash 28854189, now seen corresponding path program 1 times [2018-07-23 15:48:29,852 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 15:48:30,164 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 15:48:30,164 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 15:48:30,166 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 15:48:30,166 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 15:48:30,166 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-07-23 15:48:30,167 INFO L87 Difference]: Start difference. First operand 6 states and 7 transitions. Second operand 4 states. [2018-07-23 15:48:30,393 WARN L169 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 23 [2018-07-23 15:48:30,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 15:48:30,455 INFO L93 Difference]: Finished difference Result 10 states and 12 transitions. [2018-07-23 15:48:30,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-07-23 15:48:30,455 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2018-07-23 15:48:30,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 15:48:30,456 INFO L225 Difference]: With dead ends: 10 [2018-07-23 15:48:30,456 INFO L226 Difference]: Without dead ends: 8 [2018-07-23 15:48:30,457 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-07-23 15:48:30,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2018-07-23 15:48:30,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2018-07-23 15:48:30,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-23 15:48:30,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 9 transitions. [2018-07-23 15:48:30,463 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 9 transitions. Word has length 5 [2018-07-23 15:48:30,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 15:48:30,463 INFO L471 AbstractCegarLoop]: Abstraction has 7 states and 9 transitions. [2018-07-23 15:48:30,464 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 15:48:30,464 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 9 transitions. [2018-07-23 15:48:30,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-23 15:48:30,464 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 15:48:30,465 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-07-23 15:48:30,465 INFO L414 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 15:48:30,465 INFO L82 PathProgramCache]: Analyzing trace with hash 894431694, now seen corresponding path program 1 times [2018-07-23 15:48:30,465 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 15:48:31,333 WARN L169 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-07-23 15:48:31,805 WARN L169 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2018-07-23 15:48:33,066 WARN L169 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2018-07-23 15:48:33,387 WARN L169 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2018-07-23 15:48:33,729 WARN L169 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2018-07-23 15:48:34,237 WARN L169 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2018-07-23 15:48:35,007 WARN L169 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2018-07-23 15:48:35,478 WARN L169 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2018-07-23 15:48:35,944 WARN L169 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2018-07-23 15:48:36,407 WARN L169 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2018-07-23 15:48:36,945 WARN L169 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2018-07-23 15:48:37,703 WARN L169 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2018-07-23 15:48:38,321 WARN L169 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2018-07-23 15:48:38,985 WARN L169 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2018-07-23 15:48:39,674 WARN L169 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2018-07-23 15:48:40,553 WARN L169 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2018-07-23 15:48:41,313 WARN L169 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2018-07-23 15:48:42,434 WARN L169 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2018-07-23 15:48:43,311 WARN L169 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2018-07-23 15:48:44,215 WARN L169 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2018-07-23 15:48:45,129 WARN L169 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2018-07-23 15:48:46,171 WARN L169 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2018-07-23 15:48:47,337 WARN L169 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2018-07-23 15:48:48,740 WARN L169 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2018-07-23 15:48:50,304 WARN L169 SmtUtils]: Spent 771.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2018-07-23 15:48:52,010 WARN L169 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2018-07-23 15:48:53,748 WARN L169 SmtUtils]: Spent 482.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2018-07-23 15:48:55,832 WARN L169 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2018-07-23 15:48:57,939 WARN L169 SmtUtils]: Spent 536.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2018-07-23 15:48:59,359 WARN L169 SmtUtils]: Spent 443.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2018-07-23 15:49:00,849 WARN L169 SmtUtils]: Spent 463.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2018-07-23 15:49:02,312 WARN L169 SmtUtils]: Spent 464.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2018-07-23 15:49:04,088 WARN L169 SmtUtils]: Spent 500.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2018-07-23 15:49:05,724 WARN L169 SmtUtils]: Spent 491.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2018-07-23 15:49:07,399 WARN L169 SmtUtils]: Spent 489.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2018-07-23 15:49:09,355 WARN L169 SmtUtils]: Spent 522.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2018-07-23 15:49:11,120 WARN L169 SmtUtils]: Spent 526.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2018-07-23 15:49:12,976 WARN L169 SmtUtils]: Spent 549.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2018-07-23 15:49:14,937 WARN L169 SmtUtils]: Spent 552.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2018-07-23 15:49:18,031 WARN L169 SmtUtils]: Spent 566.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2018-07-23 15:49:20,121 WARN L169 SmtUtils]: Spent 557.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2018-07-23 15:49:22,344 WARN L169 SmtUtils]: Spent 597.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2018-07-23 15:49:24,869 WARN L169 SmtUtils]: Spent 594.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2018-07-23 15:49:27,190 WARN L169 SmtUtils]: Spent 609.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2018-07-23 15:49:29,773 WARN L169 SmtUtils]: Spent 630.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2018-07-23 15:49:32,226 WARN L169 SmtUtils]: Spent 639.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2018-07-23 15:49:34,835 WARN L169 SmtUtils]: Spent 646.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2018-07-23 15:49:37,454 WARN L169 SmtUtils]: Spent 667.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2018-07-23 15:49:40,315 WARN L169 SmtUtils]: Spent 654.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2018-07-23 15:49:43,086 WARN L169 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2018-07-23 15:49:47,605 WARN L169 SmtUtils]: Spent 684.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2018-07-23 15:49:50,746 WARN L169 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2018-07-23 15:49:53,943 WARN L169 SmtUtils]: Spent 728.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2018-07-23 15:49:57,155 WARN L169 SmtUtils]: Spent 725.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2018-07-23 15:50:00,490 WARN L169 SmtUtils]: Spent 756.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2018-07-23 15:50:03,922 WARN L169 SmtUtils]: Spent 750.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2018-07-23 15:50:07,666 WARN L169 SmtUtils]: Spent 771.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2018-07-23 15:50:11,493 WARN L169 SmtUtils]: Spent 779.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2018-07-23 15:50:15,305 WARN L169 SmtUtils]: Spent 860.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2018-07-23 15:50:19,125 WARN L169 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2018-07-23 15:50:23,074 WARN L169 SmtUtils]: Spent 838.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2018-07-23 15:50:29,738 WARN L169 SmtUtils]: Spent 839.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2018-07-23 15:50:34,003 WARN L169 SmtUtils]: Spent 859.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2018-07-23 15:50:38,386 WARN L169 SmtUtils]: Spent 880.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2018-07-23 15:50:42,852 WARN L169 SmtUtils]: Spent 915.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2018-07-23 15:50:47,672 WARN L169 SmtUtils]: Spent 893.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2018-07-23 15:50:52,665 WARN L169 SmtUtils]: Spent 914.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2018-07-23 15:50:57,761 WARN L169 SmtUtils]: Spent 927.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2018-07-23 15:51:02,903 WARN L169 SmtUtils]: Spent 944.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2018-07-23 15:51:08,144 WARN L169 SmtUtils]: Spent 962.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2018-07-23 15:51:13,592 WARN L169 SmtUtils]: Spent 982.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2018-07-23 15:51:18,899 WARN L169 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 217 [2018-07-23 15:51:28,171 WARN L169 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 222 [2018-07-23 15:51:33,998 WARN L169 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 224 [2018-07-23 15:51:39,846 WARN L169 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 226 [2018-07-23 15:51:45,859 WARN L169 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 228 [2018-07-23 15:51:52,159 WARN L169 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 230 [2018-07-23 15:51:58,623 WARN L169 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 232 [2018-07-23 15:52:05,277 WARN L169 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 234 [2018-07-23 15:52:11,876 WARN L169 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 236 [2018-07-23 15:52:18,636 WARN L169 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 238 [2018-07-23 15:52:25,738 WARN L169 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 240 [2018-07-23 15:52:32,908 WARN L169 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 242 [2018-07-23 15:52:45,505 WARN L169 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 247 [2018-07-23 15:52:53,084 WARN L169 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 249 [2018-07-23 15:53:00,856 WARN L169 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 251 Received shutdown request... [2018-07-23 15:53:05,303 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 15:53:05,307 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 15:53:05,307 INFO L202 PluginConnector]: Adding new model nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 03:53:05 BoogieIcfgContainer [2018-07-23 15:53:05,307 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 15:53:05,308 INFO L168 Benchmark]: Toolchain (without parser) took 276398.30 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -19.9 MB). Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 40.7 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. [2018-07-23 15:53:05,310 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 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. [2018-07-23 15:53:05,310 INFO L168 Benchmark]: Boogie Preprocessor took 49.30 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 15:53:05,311 INFO L168 Benchmark]: RCFGBuilder took 240.36 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-07-23 15:53:05,312 INFO L168 Benchmark]: TraceAbstraction took 276104.57 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -19.9 MB). Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 19.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 15:53:05,315 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 0.19 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. * Boogie Preprocessor took 49.30 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 240.36 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 276104.57 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -19.9 MB). Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 19.6 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 35]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 35). 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, 7 locations, 1 error locations. TIMEOUT Result, 276.0s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 7 SDtfs, 5 SDslu, 2 SDs, 0 SdLazy, 11 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 77 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.6s 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/nested1.i_4.bplTransformedIcfg_BEv2_12.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-07-23_15-53-05-326.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/nested1.i_4.bplTransformedIcfg_BEv2_12.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_15-53-05-326.csv Completed graceful shutdown