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-z3.epf -i ../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HiddenEquality-Safe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 14:20:28,513 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 14:20:28,515 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 14:20:28,528 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 14:20:28,528 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 14:20:28,529 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 14:20:28,530 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 14:20:28,532 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 14:20:28,534 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 14:20:28,535 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 14:20:28,536 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 14:20:28,536 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 14:20:28,537 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 14:20:28,538 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 14:20:28,539 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 14:20:28,540 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 14:20:28,541 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 14:20:28,543 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 14:20:28,545 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 14:20:28,547 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 14:20:28,548 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 14:20:28,550 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 14:20:28,552 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 14:20:28,553 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 14:20:28,553 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 14:20:28,554 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 14:20:28,555 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 14:20:28,556 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 14:20:28,557 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 14:20:28,558 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 14:20:28,558 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 14:20:28,559 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-25 14:20:28,559 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-25 14:20:28,559 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-25 14:20:28,560 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-25 14:20:28,561 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-25 14:20:28,561 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-z3.epf [2018-07-25 14:20:28,570 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 14:20:28,570 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 14:20:28,571 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 14:20:28,572 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 14:20:28,572 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-25 14:20:28,572 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 14:20:28,572 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 14:20:28,634 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 14:20:28,647 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 14:20:28,651 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 14:20:28,652 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 14:20:28,653 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 14:20:28,654 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HiddenEquality-Safe.bpl [2018-07-25 14:20:28,654 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HiddenEquality-Safe.bpl' [2018-07-25 14:20:28,699 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 14:20:28,701 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 14:20:28,702 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 14:20:28,702 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 14:20:28,702 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 14:20:28,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:20:28" (1/1) ... [2018-07-25 14:20:28,737 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:20:28" (1/1) ... [2018-07-25 14:20:28,742 WARN L165 Inliner]: Program contained no entry procedure! [2018-07-25 14:20:28,742 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-07-25 14:20:28,742 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-07-25 14:20:28,745 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 14:20:28,746 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 14:20:28,746 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 14:20:28,746 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 14:20:28,757 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:20:28" (1/1) ... [2018-07-25 14:20:28,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:20:28" (1/1) ... [2018-07-25 14:20:28,758 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:20:28" (1/1) ... [2018-07-25 14:20:28,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:20:28" (1/1) ... [2018-07-25 14:20:28,761 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:20:28" (1/1) ... [2018-07-25 14:20:28,764 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:20:28" (1/1) ... [2018-07-25 14:20:28,765 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:20:28" (1/1) ... [2018-07-25 14:20:28,767 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 14:20:28,767 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 14:20:28,767 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 14:20:28,768 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 14:20:28,769 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:20:28" (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 [2018-07-25 14:20:28,852 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-07-25 14:20:28,852 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-25 14:20:28,852 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-25 14:20:29,048 INFO L270 CfgBuilder]: Using library mode [2018-07-25 14:20:29,050 INFO L202 PluginConnector]: Adding new model HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 02:20:29 BoogieIcfgContainer [2018-07-25 14:20:29,050 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 14:20:29,051 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 14:20:29,052 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 14:20:29,056 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 14:20:29,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:20:28" (1/2) ... [2018-07-25 14:20:29,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2728349e and model type HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 02:20:29, skipping insertion in model container [2018-07-25 14:20:29,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 02:20:29" (2/2) ... [2018-07-25 14:20:29,061 INFO L112 eAbstractionObserver]: Analyzing ICFG HiddenEquality-Safe.bpl [2018-07-25 14:20:29,071 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 14:20:29,082 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-25 14:20:29,136 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 14:20:29,137 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 14:20:29,137 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 14:20:29,137 INFO L376 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-25 14:20:29,137 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 14:20:29,138 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 14:20:29,138 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 14:20:29,138 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 14:20:29,138 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 14:20:29,158 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states. [2018-07-25 14:20:29,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-07-25 14:20:29,178 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:20:29,180 INFO L354 BasicCegarLoop]: trace histogram [1, 1] [2018-07-25 14:20:29,183 INFO L415 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:20:29,195 INFO L82 PathProgramCache]: Analyzing trace with hash 967, 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 [2018-07-25 14:20:29,215 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:20:29,316 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 14:20:29,316 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-07-25 14:20:29,320 INFO L451 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-25 14:20:29,325 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-25 14:20:29,326 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-25 14:20:29,328 INFO L87 Difference]: Start difference. First operand 4 states. Second operand 3 states. [2018-07-25 14:20:29,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 14:20:29,415 INFO L93 Difference]: Finished difference Result 6 states and 7 transitions. [2018-07-25 14:20:29,416 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-25 14:20:29,419 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2018-07-25 14:20:29,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 14:20:29,434 INFO L225 Difference]: With dead ends: 6 [2018-07-25 14:20:29,434 INFO L226 Difference]: Without dead ends: 4 [2018-07-25 14:20:29,439 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 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 14:20:29,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4 states. [2018-07-25 14:20:29,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4 to 4. [2018-07-25 14:20:29,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-07-25 14:20:29,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2018-07-25 14:20:29,484 INFO L78 Accepts]: Start accepts. Automaton has 4 states and 4 transitions. Word has length 2 [2018-07-25 14:20:29,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 14:20:29,485 INFO L472 AbstractCegarLoop]: Abstraction has 4 states and 4 transitions. [2018-07-25 14:20:29,485 INFO L473 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-25 14:20:29,485 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 4 transitions. [2018-07-25 14:20:29,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-07-25 14:20:29,486 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:20:29,486 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-07-25 14:20:29,486 INFO L415 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:20:29,487 INFO L82 PathProgramCache]: Analyzing trace with hash 29921, 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 [2018-07-25 14:20:29,509 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:20:30,838 WARN L169 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2018-07-25 14:20:36,056 WARN L169 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2018-07-25 14:20:36,685 WARN L169 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2018-07-25 14:20:37,371 WARN L169 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2018-07-25 14:20:37,898 WARN L169 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2018-07-25 14:20:38,500 WARN L169 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2018-07-25 14:20:39,060 WARN L169 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2018-07-25 14:20:39,673 WARN L169 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2018-07-25 14:20:40,285 WARN L169 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2018-07-25 14:20:41,067 WARN L169 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2018-07-25 14:20:41,811 WARN L169 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2018-07-25 14:20:42,765 WARN L169 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2018-07-25 14:20:43,515 WARN L169 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2018-07-25 14:20:44,887 WARN L169 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2018-07-25 14:20:46,281 WARN L169 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2018-07-25 14:20:47,835 WARN L169 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2018-07-25 14:20:48,862 WARN L169 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2018-07-25 14:20:50,094 WARN L169 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2018-07-25 14:20:51,144 WARN L169 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2018-07-25 14:20:52,342 WARN L169 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2018-07-25 14:20:53,548 WARN L169 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2018-07-25 14:20:54,770 WARN L169 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2018-07-25 14:20:56,073 WARN L169 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2018-07-25 14:20:57,434 WARN L169 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 249 [2018-07-25 14:20:58,903 WARN L169 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2018-07-25 14:21:00,363 WARN L169 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 261 [2018-07-25 14:21:01,880 WARN L169 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2018-07-25 14:21:03,785 WARN L169 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 273 [2018-07-25 14:21:05,467 WARN L169 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 279 [2018-07-25 14:21:07,165 WARN L169 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 285 [2018-07-25 14:21:09,112 WARN L169 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 291 [2018-07-25 14:21:10,973 WARN L169 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2018-07-25 14:21:12,949 WARN L169 SmtUtils]: Spent 438.00 ms on a formula simplification that was a NOOP. DAG size: 303 [2018-07-25 14:21:15,003 WARN L169 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 309 [2018-07-25 14:21:17,121 WARN L169 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 315 [2018-07-25 14:21:19,499 WARN L169 SmtUtils]: Spent 438.00 ms on a formula simplification that was a NOOP. DAG size: 321 [2018-07-25 14:21:21,757 WARN L169 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 327 [2018-07-25 14:21:24,080 WARN L169 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 333 [2018-07-25 14:21:26,526 WARN L169 SmtUtils]: Spent 464.00 ms on a formula simplification that was a NOOP. DAG size: 339 [2018-07-25 14:21:29,064 WARN L169 SmtUtils]: Spent 473.00 ms on a formula simplification that was a NOOP. DAG size: 345 [2018-07-25 14:21:31,625 WARN L169 SmtUtils]: Spent 491.00 ms on a formula simplification that was a NOOP. DAG size: 351 [2018-07-25 14:21:34,387 WARN L169 SmtUtils]: Spent 530.00 ms on a formula simplification that was a NOOP. DAG size: 357 [2018-07-25 14:21:37,178 WARN L169 SmtUtils]: Spent 506.00 ms on a formula simplification that was a NOOP. DAG size: 363 [2018-07-25 14:21:40,193 WARN L169 SmtUtils]: Spent 525.00 ms on a formula simplification that was a NOOP. DAG size: 369 [2018-07-25 14:21:43,156 WARN L169 SmtUtils]: Spent 553.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2018-07-25 14:21:46,209 WARN L169 SmtUtils]: Spent 565.00 ms on a formula simplification that was a NOOP. DAG size: 381 [2018-07-25 14:21:49,390 WARN L169 SmtUtils]: Spent 591.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2018-07-25 14:21:52,618 WARN L169 SmtUtils]: Spent 579.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2018-07-25 14:21:56,146 WARN L169 SmtUtils]: Spent 592.00 ms on a formula simplification that was a NOOP. DAG size: 399 [2018-07-25 14:21:59,733 WARN L169 SmtUtils]: Spent 625.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2018-07-25 14:22:03,312 WARN L169 SmtUtils]: Spent 623.00 ms on a formula simplification that was a NOOP. DAG size: 411 [2018-07-25 14:22:06,948 WARN L169 SmtUtils]: Spent 628.00 ms on a formula simplification that was a NOOP. DAG size: 417 [2018-07-25 14:22:10,822 WARN L169 SmtUtils]: Spent 650.00 ms on a formula simplification that was a NOOP. DAG size: 423 [2018-07-25 14:22:14,861 WARN L169 SmtUtils]: Spent 752.00 ms on a formula simplification that was a NOOP. DAG size: 429 [2018-07-25 14:22:18,835 WARN L169 SmtUtils]: Spent 668.00 ms on a formula simplification that was a NOOP. DAG size: 435 [2018-07-25 14:22:23,023 WARN L169 SmtUtils]: Spent 726.00 ms on a formula simplification that was a NOOP. DAG size: 441 [2018-07-25 14:22:27,547 WARN L169 SmtUtils]: Spent 701.00 ms on a formula simplification that was a NOOP. DAG size: 447 [2018-07-25 14:22:32,340 WARN L169 SmtUtils]: Spent 776.00 ms on a formula simplification that was a NOOP. DAG size: 453 [2018-07-25 14:22:37,235 WARN L169 SmtUtils]: Spent 862.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2018-07-25 14:22:42,147 WARN L169 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2018-07-25 14:22:47,090 WARN L169 SmtUtils]: Spent 790.00 ms on a formula simplification that was a NOOP. DAG size: 471 [2018-07-25 14:22:52,176 WARN L169 SmtUtils]: Spent 826.00 ms on a formula simplification that was a NOOP. DAG size: 477 [2018-07-25 14:22:57,595 WARN L169 SmtUtils]: Spent 912.00 ms on a formula simplification that was a NOOP. DAG size: 483 [2018-07-25 14:23:03,140 WARN L169 SmtUtils]: Spent 897.00 ms on a formula simplification that was a NOOP. DAG size: 489 [2018-07-25 14:23:08,940 WARN L169 SmtUtils]: Spent 924.00 ms on a formula simplification that was a NOOP. DAG size: 495 [2018-07-25 14:23:14,673 WARN L169 SmtUtils]: Spent 894.00 ms on a formula simplification that was a NOOP. DAG size: 501 [2018-07-25 14:23:20,557 WARN L169 SmtUtils]: Spent 921.00 ms on a formula simplification that was a NOOP. DAG size: 507 [2018-07-25 14:23:26,679 WARN L169 SmtUtils]: Spent 978.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2018-07-25 14:23:33,058 WARN L169 SmtUtils]: Spent 988.00 ms on a formula simplification that was a NOOP. DAG size: 519 [2018-07-25 14:23:39,553 WARN L169 SmtUtils]: Spent 997.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2018-07-25 14:23:46,175 WARN L169 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 531 [2018-07-25 14:23:52,824 WARN L169 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 537 [2018-07-25 14:23:59,544 WARN L169 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 543 [2018-07-25 14:24:06,264 WARN L169 SmtUtils]: Spent 998.00 ms on a formula simplification that was a NOOP. DAG size: 549 [2018-07-25 14:24:13,250 WARN L169 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 555 [2018-07-25 14:24:20,365 WARN L169 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 561 [2018-07-25 14:24:27,641 WARN L169 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 567 [2018-07-25 14:24:34,872 WARN L169 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 573 [2018-07-25 14:24:42,127 WARN L169 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 579 [2018-07-25 14:24:49,619 WARN L169 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 585 [2018-07-25 14:24:57,342 WARN L169 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 591 [2018-07-25 14:25:05,251 WARN L169 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 597 Received shutdown request... [2018-07-25 14:25:09,183 WARN L513 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 14:25:09,184 WARN L541 AbstractCegarLoop]: Verification canceled [2018-07-25 14:25:09,190 WARN L202 ceAbstractionStarter]: Timeout [2018-07-25 14:25:09,190 INFO L202 PluginConnector]: Adding new model HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.07 02:25:09 BoogieIcfgContainer [2018-07-25 14:25:09,190 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-25 14:25:09,191 INFO L168 Benchmark]: Toolchain (without parser) took 280491.78 ms. Allocated memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: -306.7 MB). Free memory was 1.5 GB in the beginning and 1.0 GB in the end (delta: 448.6 MB). Peak memory consumption was 141.9 MB. Max. memory is 7.1 GB. [2018-07-25 14:25:09,192 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 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 14:25:09,193 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.72 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 14:25:09,194 INFO L168 Benchmark]: Boogie Preprocessor took 21.16 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 14:25:09,195 INFO L168 Benchmark]: RCFGBuilder took 283.20 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-07-25 14:25:09,195 INFO L168 Benchmark]: TraceAbstraction took 280139.08 ms. Allocated memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: -306.7 MB). Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 427.5 MB). Peak memory consumption was 120.7 MB. Max. memory is 7.1 GB. [2018-07-25 14:25:09,199 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 0.21 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 43.72 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 21.16 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. * RCFGBuilder took 283.20 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 280139.08 ms. Allocated memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: -306.7 MB). Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 427.5 MB). Peak memory consumption was 120.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 29]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 29). Cancelled while BasicCegarLoop was analyzing trace of length 4 with TraceHistMax 1, while Pdr was Timeout or canceled while running Pdr. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 5 locations, 1 error locations. TIMEOUT Result, 280.0s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2 SDtfs, 1 SDslu, 0 SDs, 0 SdLazy, 4 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s PdrRuntime, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/HiddenEquality-Safe.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-07-25_14-25-09-211.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/HiddenEquality-Safe.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-25_14-25-09-211.csv Completed graceful shutdown