java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-z3.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/array4.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 08:44:05,471 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 08:44:05,475 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 08:44:05,487 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 08:44:05,488 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 08:44:05,489 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 08:44:05,490 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 08:44:05,492 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 08:44:05,494 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 08:44:05,494 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 08:44:05,495 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 08:44:05,496 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 08:44:05,496 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 08:44:05,497 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 08:44:05,499 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 08:44:05,499 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 08:44:05,500 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 08:44:05,502 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 08:44:05,504 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 08:44:05,506 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 08:44:05,507 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 08:44:05,508 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 08:44:05,510 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 08:44:05,511 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 08:44:05,511 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 08:44:05,512 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 08:44:05,515 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 08:44:05,516 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 08:44:05,517 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 08:44:05,521 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 08:44:05,521 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 08:44:05,522 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 08:44:05,523 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 08:44:05,523 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 08:44:05,526 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 08:44:05,527 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 08:44:05,527 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-z3.epf [2018-09-26 08:44:05,546 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 08:44:05,546 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 08:44:05,549 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 08:44:05,550 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-09-26 08:44:05,550 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 08:44:05,550 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 08:44:05,550 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 08:44:05,604 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 08:44:05,620 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 08:44:05,626 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 08:44:05,628 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 08:44:05,628 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 08:44:05,629 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/array4.i_4.bpl [2018-09-26 08:44:05,629 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/array4.i_4.bpl' [2018-09-26 08:44:05,676 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 08:44:05,679 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 08:44:05,680 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 08:44:05,680 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 08:44:05,680 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 08:44:05,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:44:05" (1/1) ... [2018-09-26 08:44:05,717 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:44:05" (1/1) ... [2018-09-26 08:44:05,724 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 08:44:05,725 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 08:44:05,725 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 08:44:05,725 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 08:44:05,736 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:44:05" (1/1) ... [2018-09-26 08:44:05,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:44:05" (1/1) ... [2018-09-26 08:44:05,737 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:44:05" (1/1) ... [2018-09-26 08:44:05,738 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:44:05" (1/1) ... [2018-09-26 08:44:05,741 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:44:05" (1/1) ... [2018-09-26 08:44:05,743 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:44:05" (1/1) ... [2018-09-26 08:44:05,744 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:44:05" (1/1) ... [2018-09-26 08:44:05,745 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 08:44:05,746 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 08:44:05,746 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 08:44:05,747 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 08:44:05,748 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:44:05" (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 [2018-09-26 08:44:05,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 08:44:05,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 08:44:06,065 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 08:44:06,066 INFO L202 PluginConnector]: Adding new model array4.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:44:06 BoogieIcfgContainer [2018-09-26 08:44:06,066 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 08:44:06,067 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 08:44:06,067 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 08:44:06,071 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 08:44:06,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:44:05" (1/2) ... [2018-09-26 08:44:06,073 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4588129d and model type array4.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 08:44:06, skipping insertion in model container [2018-09-26 08:44:06,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:44:06" (2/2) ... [2018-09-26 08:44:06,075 INFO L112 eAbstractionObserver]: Analyzing ICFG array4.i_4.bpl [2018-09-26 08:44:06,087 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-09-26 08:44:06,097 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 08:44:06,156 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 08:44:06,157 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 08:44:06,157 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 08:44:06,158 INFO L383 AbstractCegarLoop]: Compute interpolants for PDR [2018-09-26 08:44:06,158 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 08:44:06,158 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 08:44:06,158 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 08:44:06,158 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 08:44:06,159 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 08:44:06,179 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2018-09-26 08:44:06,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 08:44:06,195 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:44:06,197 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-09-26 08:44:06,201 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:44:06,208 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:44:06,209 INFO L82 PathProgramCache]: Analyzing trace with hash 889539531, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 08:44:06,227 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:44:06,513 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:44:06,513 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-26 08:44:06,517 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-26 08:44:06,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-26 08:44:06,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-26 08:44:06,528 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 3 states. [2018-09-26 08:44:06,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:44:06,614 INFO L93 Difference]: Finished difference Result 12 states and 14 transitions. [2018-09-26 08:44:06,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-26 08:44:06,616 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2018-09-26 08:44:06,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:44:06,628 INFO L225 Difference]: With dead ends: 12 [2018-09-26 08:44:06,628 INFO L226 Difference]: Without dead ends: 9 [2018-09-26 08:44:06,631 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-26 08:44:06,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2018-09-26 08:44:06,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-09-26 08:44:06,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-09-26 08:44:06,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2018-09-26 08:44:06,666 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 10 transitions. Word has length 6 [2018-09-26 08:44:06,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:44:06,667 INFO L480 AbstractCegarLoop]: Abstraction has 9 states and 10 transitions. [2018-09-26 08:44:06,667 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-26 08:44:06,667 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2018-09-26 08:44:06,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-26 08:44:06,668 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:44:06,668 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2018-09-26 08:44:06,668 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:44:06,669 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:44:06,669 INFO L82 PathProgramCache]: Analyzing trace with hash 149049733, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 08:44:06,677 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:44:07,274 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-09-26 08:44:08,216 WARN L178 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2018-09-26 08:44:08,734 WARN L178 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2018-09-26 08:44:09,167 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2018-09-26 08:44:09,720 WARN L178 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2018-09-26 08:44:10,261 WARN L178 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2018-09-26 08:44:10,976 WARN L178 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2018-09-26 08:44:11,687 WARN L178 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2018-09-26 08:44:12,561 WARN L178 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2018-09-26 08:44:13,433 WARN L178 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2018-09-26 08:44:14,338 WARN L178 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2018-09-26 08:44:15,497 WARN L178 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2018-09-26 08:44:16,893 WARN L178 SmtUtils]: Spent 474.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2018-09-26 08:44:18,530 WARN L178 SmtUtils]: Spent 486.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2018-09-26 08:44:20,401 WARN L178 SmtUtils]: Spent 536.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2018-09-26 08:44:22,639 WARN L178 SmtUtils]: Spent 569.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2018-09-26 08:44:25,168 WARN L178 SmtUtils]: Spent 754.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2018-09-26 08:44:26,660 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2018-09-26 08:44:27,901 WARN L178 SmtUtils]: Spent 708.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2018-09-26 08:44:31,132 WARN L178 SmtUtils]: Spent 813.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2018-09-26 08:44:34,613 WARN L178 SmtUtils]: Spent 837.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2018-09-26 08:44:38,460 WARN L178 SmtUtils]: Spent 940.00 ms on a formula simplification that was a NOOP. DAG size: 254 [2018-09-26 08:44:43,191 WARN L178 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 265 [2018-09-26 08:44:48,276 WARN L178 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 276 [2018-09-26 08:44:54,026 WARN L178 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 287 [2018-09-26 08:45:00,512 WARN L178 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 298 [2018-09-26 08:45:05,096 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2018-09-26 08:45:05,578 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2018-09-26 08:45:07,801 WARN L178 SmtUtils]: Spent 1.55 s on a formula simplification that was a NOOP. DAG size: 309 [2018-09-26 08:45:13,038 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2018-09-26 08:45:13,471 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2018-09-26 08:45:15,835 WARN L178 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 320 [2018-09-26 08:45:21,780 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2018-09-26 08:45:22,251 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2018-09-26 08:45:24,774 WARN L178 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 331 [2018-09-26 08:45:31,536 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2018-09-26 08:45:32,499 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2018-09-26 08:45:35,218 WARN L178 SmtUtils]: Spent 1.96 s on a formula simplification that was a NOOP. DAG size: 342 [2018-09-26 08:45:43,565 WARN L178 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2018-09-26 08:45:44,105 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2018-09-26 08:45:47,573 WARN L178 SmtUtils]: Spent 2.61 s on a formula simplification that was a NOOP. DAG size: 353 [2018-09-26 08:45:56,051 WARN L178 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2018-09-26 08:45:56,594 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2018-09-26 08:45:59,669 WARN L178 SmtUtils]: Spent 2.18 s on a formula simplification that was a NOOP. DAG size: 364 [2018-09-26 08:46:09,102 WARN L178 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2018-09-26 08:46:09,686 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2018-09-26 08:46:12,976 WARN L178 SmtUtils]: Spent 2.37 s on a formula simplification that was a NOOP. DAG size: 375 [2018-09-26 08:46:23,220 WARN L178 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2018-09-26 08:46:23,824 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2018-09-26 08:46:27,358 WARN L178 SmtUtils]: Spent 2.55 s on a formula simplification that was a NOOP. DAG size: 386 [2018-09-26 08:46:38,560 WARN L178 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2018-09-26 08:46:39,187 WARN L178 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2018-09-26 08:46:43,015 WARN L178 SmtUtils]: Spent 2.73 s on a formula simplification that was a NOOP. DAG size: 397 [2018-09-26 08:46:55,598 WARN L178 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2018-09-26 08:46:56,272 WARN L178 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2018-09-26 08:47:00,377 WARN L178 SmtUtils]: Spent 2.98 s on a formula simplification that was a NOOP. DAG size: 408 [2018-09-26 08:47:14,393 WARN L178 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2018-09-26 08:47:15,080 WARN L178 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2018-09-26 08:47:19,460 WARN L178 SmtUtils]: Spent 3.22 s on a formula simplification that was a NOOP. DAG size: 419 [2018-09-26 08:47:34,686 WARN L178 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2018-09-26 08:47:35,410 WARN L178 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2018-09-26 08:47:40,069 WARN L178 SmtUtils]: Spent 3.44 s on a formula simplification that was a NOOP. DAG size: 430 [2018-09-26 08:47:56,887 WARN L178 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2018-09-26 08:47:57,611 WARN L178 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2018-09-26 08:48:02,532 WARN L178 SmtUtils]: Spent 3.62 s on a formula simplification that was a NOOP. DAG size: 441 [2018-09-26 08:48:21,180 WARN L178 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2018-09-26 08:48:21,946 WARN L178 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2018-09-26 08:48:27,125 WARN L178 SmtUtils]: Spent 3.84 s on a formula simplification that was a NOOP. DAG size: 452 Received shutdown request... [2018-09-26 08:48:46,846 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 08:48:46,847 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-26 08:48:46,852 WARN L206 ceAbstractionStarter]: Timeout [2018-09-26 08:48:46,852 INFO L202 PluginConnector]: Adding new model array4.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.09 08:48:46 BoogieIcfgContainer [2018-09-26 08:48:46,852 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 08:48:46,853 INFO L168 Benchmark]: Toolchain (without parser) took 281176.43 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -109.6 MB). Free memory was 1.5 GB in the beginning and 976.7 MB in the end (delta: 482.8 MB). Peak memory consumption was 373.2 MB. Max. memory is 7.1 GB. [2018-09-26 08:48:46,854 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 08:48:46,856 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.59 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 08:48:46,856 INFO L168 Benchmark]: Boogie Preprocessor took 20.94 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 08:48:46,857 INFO L168 Benchmark]: RCFGBuilder took 319.98 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. [2018-09-26 08:48:46,858 INFO L168 Benchmark]: TraceAbstraction took 280785.24 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -109.6 MB). Free memory was 1.4 GB in the beginning and 976.7 MB in the end (delta: 463.8 MB). Peak memory consumption was 354.2 MB. Max. memory is 7.1 GB. [2018-09-26 08:48:46,864 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 0.14 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 44.59 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 20.94 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 319.98 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 280785.24 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -109.6 MB). Free memory was 1.4 GB in the beginning and 976.7 MB in the end (delta: 463.8 MB). Peak memory consumption was 354.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 57]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 57). Cancelled while BasicCegarLoop was analyzing trace of length 9 with TraceHistMax 2, while Pdr was Timeout or canceled while running Pdr. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. TIMEOUT Result, 280.7s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 5 SDtfs, 1 SDslu, 2 SDs, 0 SdLazy, 5 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=1, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s 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/array4.i_4.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_08-48-46-880.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/array4.i_4.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-26_08-48-46-880.csv Completed graceful shutdown