java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/programs/reals/growfall_faulty.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 10:30:34,122 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 10:30:34,125 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 10:30:34,137 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 10:30:34,137 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 10:30:34,138 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 10:30:34,139 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 10:30:34,141 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 10:30:34,143 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 10:30:34,144 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 10:30:34,145 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 10:30:34,145 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 10:30:34,146 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 10:30:34,147 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 10:30:34,148 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 10:30:34,149 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 10:30:34,150 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 10:30:34,151 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 10:30:34,152 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 10:30:34,154 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 10:30:34,156 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 10:30:34,157 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 10:30:34,158 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 10:30:34,159 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 10:30:34,161 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 10:30:34,162 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 10:30:34,162 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 10:30:34,163 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 10:30:34,164 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 10:30:34,167 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 10:30:34,167 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 10:30:34,168 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 10:30:34,169 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 10:30:34,172 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 10:30:34,173 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 10:30:34,173 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 10:30:34,174 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 10:30:34,174 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 10:30:34,174 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 10:30:34,176 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 10:30:34,179 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 10:30:34,220 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 10:30:34,236 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 10:30:34,239 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 10:30:34,241 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 10:30:34,241 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 10:30:34,243 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/reals/growfall_faulty.bpl [2019-08-05 10:30:34,244 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/reals/growfall_faulty.bpl' [2019-08-05 10:30:34,285 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 10:30:34,287 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 10:30:34,287 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 10:30:34,288 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 10:30:34,288 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 10:30:34,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "growfall_faulty.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:30:34" (1/1) ... [2019-08-05 10:30:34,316 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "growfall_faulty.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:30:34" (1/1) ... [2019-08-05 10:30:34,323 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 10:30:34,324 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 10:30:34,324 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 10:30:34,326 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 10:30:34,327 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 10:30:34,327 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 10:30:34,327 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 10:30:34,339 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "growfall_faulty.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:30:34" (1/1) ... [2019-08-05 10:30:34,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "growfall_faulty.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:30:34" (1/1) ... [2019-08-05 10:30:34,340 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "growfall_faulty.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:30:34" (1/1) ... [2019-08-05 10:30:34,341 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "growfall_faulty.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:30:34" (1/1) ... [2019-08-05 10:30:34,343 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "growfall_faulty.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:30:34" (1/1) ... [2019-08-05 10:30:34,345 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "growfall_faulty.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:30:34" (1/1) ... [2019-08-05 10:30:34,346 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "growfall_faulty.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:30:34" (1/1) ... [2019-08-05 10:30:34,347 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 10:30:34,349 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 10:30:34,349 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 10:30:34,349 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 10:30:34,350 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "growfall_faulty.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:30:34" (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 [2019-08-05 10:30:34,418 INFO L124 BoogieDeclarations]: Specification and implementation of procedure growfallExample given in one single declaration [2019-08-05 10:30:34,418 INFO L130 BoogieDeclarations]: Found specification of procedure growfallExample [2019-08-05 10:30:34,418 INFO L138 BoogieDeclarations]: Found implementation of procedure growfallExample [2019-08-05 10:30:34,616 INFO L275 CfgBuilder]: Using library mode [2019-08-05 10:30:34,616 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 10:30:34,617 INFO L202 PluginConnector]: Adding new model growfall_faulty.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:30:34 BoogieIcfgContainer [2019-08-05 10:30:34,617 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 10:30:34,619 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 10:30:34,619 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 10:30:34,622 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 10:30:34,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "growfall_faulty.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:30:34" (1/2) ... [2019-08-05 10:30:34,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d534e8b and model type growfall_faulty.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 10:30:34, skipping insertion in model container [2019-08-05 10:30:34,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "growfall_faulty.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:30:34" (2/2) ... [2019-08-05 10:30:34,625 INFO L109 eAbstractionObserver]: Analyzing ICFG growfall_faulty.bpl [2019-08-05 10:30:34,635 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 10:30:34,642 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-05 10:30:34,658 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-05 10:30:34,683 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 10:30:34,684 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 10:30:34,684 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 10:30:34,684 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 10:30:34,684 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 10:30:34,684 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 10:30:34,685 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 10:30:34,685 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 10:30:34,685 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 10:30:34,696 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2019-08-05 10:30:34,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-08-05 10:30:34,705 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:30:34,706 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-08-05 10:30:34,708 INFO L418 AbstractCegarLoop]: === Iteration 1 === [growfallExampleErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:30:34,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:30:34,714 INFO L82 PathProgramCache]: Analyzing trace with hash 925773, now seen corresponding path program 1 times [2019-08-05 10:30:34,764 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:30:34,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:30:34,805 WARN L254 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 13 conjunts are in the unsatisfiable core [2019-08-05 10:30:34,809 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:30:35,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:30:35,038 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 10:30:35,039 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-08-05 10:30:35,043 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-08-05 10:30:35,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-08-05 10:30:35,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-08-05 10:30:35,061 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 4 states. [2019-08-05 10:30:35,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:30:35,179 INFO L93 Difference]: Finished difference Result 13 states and 18 transitions. [2019-08-05 10:30:35,180 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-08-05 10:30:35,181 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2019-08-05 10:30:35,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:30:35,192 INFO L225 Difference]: With dead ends: 13 [2019-08-05 10:30:35,193 INFO L226 Difference]: Without dead ends: 11 [2019-08-05 10:30:35,195 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-08-05 10:30:35,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2019-08-05 10:30:35,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2019-08-05 10:30:35,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-08-05 10:30:35,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 13 transitions. [2019-08-05 10:30:35,221 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 13 transitions. Word has length 4 [2019-08-05 10:30:35,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:30:35,222 INFO L475 AbstractCegarLoop]: Abstraction has 9 states and 13 transitions. [2019-08-05 10:30:35,222 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-08-05 10:30:35,222 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 13 transitions. [2019-08-05 10:30:35,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-08-05 10:30:35,223 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:30:35,223 INFO L399 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2019-08-05 10:30:35,223 INFO L418 AbstractCegarLoop]: === Iteration 2 === [growfallExampleErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:30:35,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:30:35,224 INFO L82 PathProgramCache]: Analyzing trace with hash 889501930, now seen corresponding path program 1 times [2019-08-05 10:30:35,225 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:30:35,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:30:35,247 WARN L254 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 22 conjunts are in the unsatisfiable core [2019-08-05 10:30:35,248 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:30:35,405 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:30:35,406 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:30:35,406 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2019-08-05 10:30:35,408 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-08-05 10:30:35,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-08-05 10:30:35,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-08-05 10:30:35,409 INFO L87 Difference]: Start difference. First operand 9 states and 13 transitions. Second operand 5 states. [2019-08-05 10:30:35,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:30:35,534 INFO L93 Difference]: Finished difference Result 13 states and 18 transitions. [2019-08-05 10:30:35,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-08-05 10:30:35,535 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 6 [2019-08-05 10:30:35,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:30:35,536 INFO L225 Difference]: With dead ends: 13 [2019-08-05 10:30:35,536 INFO L226 Difference]: Without dead ends: 12 [2019-08-05 10:30:35,537 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-08-05 10:30:35,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2019-08-05 10:30:35,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 9. [2019-08-05 10:30:35,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-08-05 10:30:35,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 13 transitions. [2019-08-05 10:30:35,540 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 13 transitions. Word has length 6 [2019-08-05 10:30:35,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:30:35,540 INFO L475 AbstractCegarLoop]: Abstraction has 9 states and 13 transitions. [2019-08-05 10:30:35,540 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-08-05 10:30:35,541 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 13 transitions. [2019-08-05 10:30:35,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-08-05 10:30:35,541 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:30:35,541 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-08-05 10:30:35,542 INFO L418 AbstractCegarLoop]: === Iteration 3 === [growfallExampleErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:30:35,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:30:35,542 INFO L82 PathProgramCache]: Analyzing trace with hash 889600231, now seen corresponding path program 1 times [2019-08-05 10:30:35,543 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:30:35,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-08-05 10:30:35,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-08-05 10:30:35,606 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-08-05 10:30:35,629 INFO L202 PluginConnector]: Adding new model growfall_faulty.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 10:30:35 BoogieIcfgContainer [2019-08-05 10:30:35,629 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 10:30:35,634 INFO L168 Benchmark]: Toolchain (without parser) took 1345.25 ms. Allocated memory was 140.0 MB in the beginning and 176.2 MB in the end (delta: 36.2 MB). Free memory was 110.1 MB in the beginning and 145.1 MB in the end (delta: -35.0 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-08-05 10:30:35,636 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.29 ms. Allocated memory is still 140.0 MB. Free memory is still 110.9 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 10:30:35,638 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.84 ms. Allocated memory is still 140.0 MB. Free memory was 109.6 MB in the beginning and 107.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-05 10:30:35,639 INFO L168 Benchmark]: Boogie Preprocessor took 21.10 ms. Allocated memory is still 140.0 MB. Free memory was 107.9 MB in the beginning and 107.1 MB in the end (delta: 891.7 kB). Peak memory consumption was 891.7 kB. Max. memory is 7.1 GB. [2019-08-05 10:30:35,640 INFO L168 Benchmark]: RCFGBuilder took 268.77 ms. Allocated memory is still 140.0 MB. Free memory was 107.1 MB in the beginning and 96.9 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-08-05 10:30:35,641 INFO L168 Benchmark]: TraceAbstraction took 1010.21 ms. Allocated memory was 140.0 MB in the beginning and 176.2 MB in the end (delta: 36.2 MB). Free memory was 96.5 MB in the beginning and 145.1 MB in the end (delta: -48.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 10:30:35,649 INFO L335 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 0.29 ms. Allocated memory is still 140.0 MB. Free memory is still 110.9 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 38.84 ms. Allocated memory is still 140.0 MB. Free memory was 109.6 MB in the beginning and 107.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 21.10 ms. Allocated memory is still 140.0 MB. Free memory was 107.9 MB in the beginning and 107.1 MB in the end (delta: 891.7 kB). Peak memory consumption was 891.7 kB. Max. memory is 7.1 GB. * RCFGBuilder took 268.77 ms. Allocated memory is still 140.0 MB. Free memory was 107.1 MB in the beginning and 96.9 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1010.21 ms. Allocated memory was 140.0 MB in the beginning and 176.2 MB in the end (delta: 36.2 MB). Free memory was 96.5 MB in the beginning and 145.1 MB in the end (delta: -48.6 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 59]: assertion can be violated assertion can be violated We found a FailurePath: [L4] assume t == 0.0 && x == 0.0; VAL [t=0.0, x=0.0] [L7] t_old := t; [L8] x_old := x; [L10] assume t_old <= 5.0; [L12] havoc t_new; [L13] havoc x_new; [L15] assume t_new >= t_old; [L16] assume 2.0 * (t_new - t_old) == x_new - x_old; [L17] assume t_new <= 5.0; [L19] t := t_new; [L20] x := x_new; VAL [t=5.0, t_new=5.0, t_old=0.0, x=10.0, x_new=10.0, x_old=0.0] [L25] assume t >= 5.0; [L26] t := 0.0; VAL [t=0.0, t_new=5.0, t_old=0.0, x=10.0, x_new=10.0, x_old=0.0] [L33] t_old := t; [L34] x_old := x; [L36] assume t_old <= 10.0; [L38] havoc t_new; [L39] havoc x_new; [L41] assume t_new >= t_old; [L42] assume t_old - t_new == x_old - x_new; [L43] assume t_new <= 10.0; [L45] t := t_new; [L46] x := x_new; VAL [t=1.0, t_new=1.0, t_old=0.0, x=11.0, x_new=11.0, x_old=10.0] [L59] assert x >= 0.0 && x <= 10.0; VAL [t=1.0, t_new=1.0, t_old=0.0, x=11.0, x_new=11.0, x_old=10.0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. UNSAFE Result, 0.9s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 15 SDtfs, 5 SDslu, 24 SDs, 0 SdLazy, 28 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s 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, 2 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 322 SizeOfPredicates, 12 NumberOfNonLiveVariables, 56 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 0/2 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...