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/real-life/PricedTimedAutomata/bugtest1.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 10:13:15,135 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 10:13:15,139 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 10:13:15,154 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 10:13:15,155 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 10:13:15,156 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 10:13:15,158 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 10:13:15,160 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 10:13:15,163 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 10:13:15,171 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 10:13:15,172 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 10:13:15,172 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 10:13:15,173 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 10:13:15,174 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 10:13:15,176 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 10:13:15,177 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 10:13:15,178 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 10:13:15,180 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 10:13:15,184 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 10:13:15,188 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 10:13:15,189 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 10:13:15,192 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 10:13:15,193 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 10:13:15,194 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 10:13:15,198 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 10:13:15,198 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 10:13:15,199 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 10:13:15,200 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 10:13:15,200 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 10:13:15,205 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 10:13:15,205 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 10:13:15,206 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 10:13:15,208 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 10:13:15,209 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 10:13:15,211 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 10:13:15,212 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 10:13:15,212 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 10:13:15,213 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 10:13:15,213 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 10:13:15,214 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 10:13:15,216 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 10:13:15,248 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 10:13:15,263 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 10:13:15,267 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 10:13:15,269 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 10:13:15,269 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 10:13:15,270 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/PricedTimedAutomata/bugtest1.bpl [2019-08-05 10:13:15,270 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/PricedTimedAutomata/bugtest1.bpl' [2019-08-05 10:13:15,308 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 10:13:15,309 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 10:13:15,310 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 10:13:15,310 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 10:13:15,310 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 10:13:15,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bugtest1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:13:15" (1/1) ... [2019-08-05 10:13:15,338 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bugtest1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:13:15" (1/1) ... [2019-08-05 10:13:15,345 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 10:13:15,345 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 10:13:15,345 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 10:13:15,347 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 10:13:15,348 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 10:13:15,348 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 10:13:15,348 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 10:13:15,360 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bugtest1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:13:15" (1/1) ... [2019-08-05 10:13:15,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bugtest1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:13:15" (1/1) ... [2019-08-05 10:13:15,362 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bugtest1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:13:15" (1/1) ... [2019-08-05 10:13:15,362 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bugtest1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:13:15" (1/1) ... [2019-08-05 10:13:15,367 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bugtest1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:13:15" (1/1) ... [2019-08-05 10:13:15,369 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bugtest1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:13:15" (1/1) ... [2019-08-05 10:13:15,371 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bugtest1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:13:15" (1/1) ... [2019-08-05 10:13:15,372 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 10:13:15,373 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 10:13:15,373 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 10:13:15,373 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 10:13:15,374 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bugtest1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:13:15" (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 10:13:15,444 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 10:13:15,444 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 10:13:15,444 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 10:13:15,519 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-08-05 10:13:15,675 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint mainFINAL: assume true; [2019-08-05 10:13:15,709 INFO L275 CfgBuilder]: Using library mode [2019-08-05 10:13:15,709 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 10:13:15,711 INFO L202 PluginConnector]: Adding new model bugtest1.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:13:15 BoogieIcfgContainer [2019-08-05 10:13:15,711 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 10:13:15,712 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 10:13:15,712 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 10:13:15,715 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 10:13:15,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bugtest1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:13:15" (1/2) ... [2019-08-05 10:13:15,717 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bb57adf and model type bugtest1.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 10:13:15, skipping insertion in model container [2019-08-05 10:13:15,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bugtest1.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:13:15" (2/2) ... [2019-08-05 10:13:15,719 INFO L109 eAbstractionObserver]: Analyzing ICFG bugtest1.bpl [2019-08-05 10:13:15,729 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 10:13:15,736 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-08-05 10:13:15,753 INFO L252 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-08-05 10:13:15,779 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 10:13:15,780 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 10:13:15,780 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 10:13:15,781 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 10:13:15,781 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 10:13:15,781 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 10:13:15,781 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 10:13:15,781 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 10:13:15,782 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 10:13:15,796 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2019-08-05 10:13:15,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-08-05 10:13:15,804 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:13:15,805 INFO L399 BasicCegarLoop]: trace histogram [1, 1] [2019-08-05 10:13:15,808 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr1ASSERT_VIOLATIONASSERT, mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:13:15,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:13:15,814 INFO L82 PathProgramCache]: Analyzing trace with hash 1243, now seen corresponding path program 1 times [2019-08-05 10:13:15,864 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:13:15,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:13:15,891 INFO L256 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjunts are in the unsatisfiable core [2019-08-05 10:13:15,895 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:13:15,932 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 10:13:15,934 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 10:13:15,935 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-08-05 10:13:15,938 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-08-05 10:13:15,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-08-05 10:13:15,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 10:13:15,956 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 3 states. [2019-08-05 10:13:16,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:13:16,040 INFO L93 Difference]: Finished difference Result 6 states and 6 transitions. [2019-08-05 10:13:16,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-08-05 10:13:16,044 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2019-08-05 10:13:16,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:13:16,071 INFO L225 Difference]: With dead ends: 6 [2019-08-05 10:13:16,071 INFO L226 Difference]: Without dead ends: 6 [2019-08-05 10:13:16,075 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 10:13:16,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2019-08-05 10:13:16,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2019-08-05 10:13:16,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-08-05 10:13:16,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2019-08-05 10:13:16,136 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 6 transitions. Word has length 2 [2019-08-05 10:13:16,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:13:16,137 INFO L475 AbstractCegarLoop]: Abstraction has 6 states and 6 transitions. [2019-08-05 10:13:16,137 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-08-05 10:13:16,137 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2019-08-05 10:13:16,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-08-05 10:13:16,138 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:13:16,138 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-08-05 10:13:16,139 INFO L418 AbstractCegarLoop]: === Iteration 2 === [mainErr1ASSERT_VIOLATIONASSERT, mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:13:16,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:13:16,139 INFO L82 PathProgramCache]: Analyzing trace with hash 38569, now seen corresponding path program 1 times [2019-08-05 10:13:16,140 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:13:16,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:13:16,153 INFO L256 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 6 conjunts are in the unsatisfiable core [2019-08-05 10:13:16,154 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:13:16,334 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 10:13:16,335 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 10:13:16,335 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-08-05 10:13:16,337 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-08-05 10:13:16,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-08-05 10:13:16,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-08-05 10:13:16,338 INFO L87 Difference]: Start difference. First operand 6 states and 6 transitions. Second operand 4 states. [2019-08-05 10:13:16,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:13:16,406 INFO L93 Difference]: Finished difference Result 6 states and 6 transitions. [2019-08-05 10:13:16,406 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-08-05 10:13:16,406 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 3 [2019-08-05 10:13:16,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:13:16,407 INFO L225 Difference]: With dead ends: 6 [2019-08-05 10:13:16,407 INFO L226 Difference]: Without dead ends: 6 [2019-08-05 10:13:16,409 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 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 10:13:16,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2019-08-05 10:13:16,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2019-08-05 10:13:16,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-08-05 10:13:16,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2019-08-05 10:13:16,411 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 6 transitions. Word has length 3 [2019-08-05 10:13:16,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:13:16,411 INFO L475 AbstractCegarLoop]: Abstraction has 6 states and 6 transitions. [2019-08-05 10:13:16,411 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-08-05 10:13:16,412 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2019-08-05 10:13:16,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-08-05 10:13:16,412 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:13:16,412 INFO L399 BasicCegarLoop]: trace histogram [2, 1, 1, 1] [2019-08-05 10:13:16,413 INFO L418 AbstractCegarLoop]: === Iteration 3 === [mainErr1ASSERT_VIOLATIONASSERT, mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:13:16,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:13:16,413 INFO L82 PathProgramCache]: Analyzing trace with hash 37065899, now seen corresponding path program 1 times [2019-08-05 10:13:16,414 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:13:16,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-08-05 10:13:16,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-08-05 10:13:16,453 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-08-05 10:13:16,469 INFO L202 PluginConnector]: Adding new model bugtest1.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 10:13:16 BoogieIcfgContainer [2019-08-05 10:13:16,469 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 10:13:16,472 INFO L168 Benchmark]: Toolchain (without parser) took 1161.94 ms. Allocated memory is still 130.0 MB. Free memory was 106.4 MB in the beginning and 66.2 MB in the end (delta: 40.2 MB). Peak memory consumption was 40.2 MB. Max. memory is 7.1 GB. [2019-08-05 10:13:16,473 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 130.0 MB. Free memory is still 107.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 10:13:16,474 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.07 ms. Allocated memory is still 130.0 MB. Free memory was 106.4 MB in the beginning and 104.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-05 10:13:16,475 INFO L168 Benchmark]: Boogie Preprocessor took 24.37 ms. Allocated memory is still 130.0 MB. Free memory was 104.4 MB in the beginning and 103.4 MB in the end (delta: 910.2 kB). Peak memory consumption was 910.2 kB. Max. memory is 7.1 GB. [2019-08-05 10:13:16,476 INFO L168 Benchmark]: RCFGBuilder took 338.21 ms. Allocated memory is still 130.0 MB. Free memory was 103.0 MB in the beginning and 93.6 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-08-05 10:13:16,477 INFO L168 Benchmark]: TraceAbstraction took 757.08 ms. Allocated memory is still 130.0 MB. Free memory was 93.6 MB in the beginning and 66.2 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 7.1 GB. [2019-08-05 10:13:16,481 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 0.21 ms. Allocated memory is still 130.0 MB. Free memory is still 107.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 38.07 ms. Allocated memory is still 130.0 MB. Free memory was 106.4 MB in the beginning and 104.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 24.37 ms. Allocated memory is still 130.0 MB. Free memory was 104.4 MB in the beginning and 103.4 MB in the end (delta: 910.2 kB). Peak memory consumption was 910.2 kB. Max. memory is 7.1 GB. * RCFGBuilder took 338.21 ms. Allocated memory is still 130.0 MB. Free memory was 103.0 MB in the beginning and 93.6 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 757.08 ms. Allocated memory is still 130.0 MB. Free memory was 93.6 MB in the beginning and 66.2 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 22]: assertion can be violated assertion can be violated We found a FailurePath: [L8-L10] requires x == 0.0; [L13] power := 0.0; VAL [power=0.0, x=0.0] [L15] assert power <= 1000.0; [L16] havoc delay; [L17] assume delay >= 0.0; [L18] x := x + delay; [L19] power := power + delay * 100.0; [L21] assume x <= 10.0; VAL [delay=10.0, power=1000.0, x=10.0] [L22] assert power <= 1000.0; [L24] assume x >= 10.0; [L25] x := 0.0; VAL [delay=10.0, power=1000.0, x=0.0] [L15] assert power <= 1000.0; [L16] havoc delay; [L17] assume delay >= 0.0; [L18] x := x + delay; [L19] power := power + delay * 100.0; [L21] assume x <= 10.0; VAL [delay=1/100, power=1001.0, x=1/100] [L22] assert power <= 1000.0; VAL [delay=1/100, power=1001.0, x=1/100] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 2 error locations. UNSAFE Result, 0.6s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 6 SDtfs, 1 SDslu, 0 SDs, 0 SdLazy, 11 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6occurred 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 27 SizeOfPredicates, 2 NumberOfNonLiveVariables, 21 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...