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/20170304-DifficultPathPrograms/pals_lcr.5.1.ufo.BOUNDED-10.pals.c_21.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 10:14:39,442 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 10:14:39,445 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 10:14:39,463 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 10:14:39,463 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 10:14:39,465 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 10:14:39,467 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 10:14:39,470 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 10:14:39,472 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 10:14:39,473 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 10:14:39,475 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 10:14:39,476 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 10:14:39,476 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 10:14:39,477 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 10:14:39,478 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 10:14:39,481 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 10:14:39,486 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 10:14:39,490 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 10:14:39,491 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 10:14:39,496 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 10:14:39,499 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 10:14:39,501 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 10:14:39,503 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 10:14:39,504 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 10:14:39,508 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 10:14:39,508 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 10:14:39,509 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 10:14:39,510 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 10:14:39,510 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 10:14:39,512 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 10:14:39,512 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 10:14:39,515 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 10:14:39,516 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 10:14:39,517 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 10:14:39,518 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 10:14:39,518 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 10:14:39,520 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 10:14:39,520 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 10:14:39,521 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 10:14:39,522 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 10:14:39,523 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 10:14:39,567 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 10:14:39,582 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 10:14:39,585 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 10:14:39,586 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 10:14:39,586 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 10:14:39,587 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr.5.1.ufo.BOUNDED-10.pals.c_21.bpl [2019-08-05 10:14:39,587 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr.5.1.ufo.BOUNDED-10.pals.c_21.bpl' [2019-08-05 10:14:39,647 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 10:14:39,649 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 10:14:39,650 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 10:14:39,650 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 10:14:39,650 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 10:14:39,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "pals_lcr.5.1.ufo.BOUNDED-10.pals.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:14:39" (1/1) ... [2019-08-05 10:14:39,681 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "pals_lcr.5.1.ufo.BOUNDED-10.pals.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:14:39" (1/1) ... [2019-08-05 10:14:39,690 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 10:14:39,691 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 10:14:39,691 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 10:14:39,691 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 10:14:39,702 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr.5.1.ufo.BOUNDED-10.pals.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:14:39" (1/1) ... [2019-08-05 10:14:39,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr.5.1.ufo.BOUNDED-10.pals.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:14:39" (1/1) ... [2019-08-05 10:14:39,706 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr.5.1.ufo.BOUNDED-10.pals.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:14:39" (1/1) ... [2019-08-05 10:14:39,707 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr.5.1.ufo.BOUNDED-10.pals.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:14:39" (1/1) ... [2019-08-05 10:14:39,717 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr.5.1.ufo.BOUNDED-10.pals.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:14:39" (1/1) ... [2019-08-05 10:14:39,720 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr.5.1.ufo.BOUNDED-10.pals.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:14:39" (1/1) ... [2019-08-05 10:14:39,723 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr.5.1.ufo.BOUNDED-10.pals.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:14:39" (1/1) ... [2019-08-05 10:14:39,727 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 10:14:39,728 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 10:14:39,728 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 10:14:39,728 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 10:14:39,729 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr.5.1.ufo.BOUNDED-10.pals.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:14:39" (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 10:14:39,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 10:14:39,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 10:14:41,342 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 10:14:41,343 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-05 10:14:41,344 INFO L202 PluginConnector]: Adding new model pals_lcr.5.1.ufo.BOUNDED-10.pals.c_21.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:14:41 BoogieIcfgContainer [2019-08-05 10:14:41,345 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 10:14:41,346 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 10:14:41,346 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 10:14:41,350 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 10:14:41,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr.5.1.ufo.BOUNDED-10.pals.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:14:39" (1/2) ... [2019-08-05 10:14:41,351 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f06182c and model type pals_lcr.5.1.ufo.BOUNDED-10.pals.c_21.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 10:14:41, skipping insertion in model container [2019-08-05 10:14:41,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr.5.1.ufo.BOUNDED-10.pals.c_21.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:14:41" (2/2) ... [2019-08-05 10:14:41,354 INFO L109 eAbstractionObserver]: Analyzing ICFG pals_lcr.5.1.ufo.BOUNDED-10.pals.c_21.bpl [2019-08-05 10:14:41,366 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 10:14:41,377 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-05 10:14:41,397 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-05 10:14:41,431 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 10:14:41,432 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 10:14:41,432 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 10:14:41,432 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 10:14:41,433 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 10:14:41,433 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 10:14:41,433 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 10:14:41,433 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 10:14:41,434 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 10:14:41,451 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2019-08-05 10:14:41,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-08-05 10:14:41,464 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:14:41,465 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-08-05 10:14:41,468 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:14:41,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:14:41,474 INFO L82 PathProgramCache]: Analyzing trace with hash 1009052, now seen corresponding path program 1 times [2019-08-05 10:14:41,543 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:14:41,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:14:41,695 INFO L256 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 12 conjunts are in the unsatisfiable core [2019-08-05 10:14:41,702 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:14:41,849 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:14:41,866 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:14:41,885 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:14:41,931 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 10:14:41,934 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 10:14:41,934 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-08-05 10:14:41,938 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-08-05 10:14:41,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-08-05 10:14:41,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-08-05 10:14:41,957 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2019-08-05 10:14:42,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:14:42,059 INFO L93 Difference]: Finished difference Result 8 states and 8 transitions. [2019-08-05 10:14:42,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-08-05 10:14:42,062 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2019-08-05 10:14:42,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:14:42,076 INFO L225 Difference]: With dead ends: 8 [2019-08-05 10:14:42,077 INFO L226 Difference]: Without dead ends: 8 [2019-08-05 10:14:42,080 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-08-05 10:14:42,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2019-08-05 10:14:42,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2019-08-05 10:14:42,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-08-05 10:14:42,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2019-08-05 10:14:42,125 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2019-08-05 10:14:42,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:14:42,128 INFO L475 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2019-08-05 10:14:42,128 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-08-05 10:14:42,128 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2019-08-05 10:14:42,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-08-05 10:14:42,129 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:14:42,130 INFO L399 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2019-08-05 10:14:42,130 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:14:42,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:14:42,131 INFO L82 PathProgramCache]: Analyzing trace with hash 969782581, now seen corresponding path program 1 times [2019-08-05 10:14:42,135 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:14:42,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:14:42,284 INFO L256 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 20 conjunts are in the unsatisfiable core [2019-08-05 10:14:42,287 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:14:42,464 WARN L188 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2019-08-05 10:14:42,469 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:14:42,497 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:14:42,512 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:14:42,796 WARN L188 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 26 [2019-08-05 10:14:42,806 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:14:42,825 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:14:42,827 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:14:42,871 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:14:42,873 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:14:42,873 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2019-08-05 10:14:42,876 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-08-05 10:14:42,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-08-05 10:14:42,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-08-05 10:14:42,878 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 4 states. [2019-08-05 10:14:42,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:14:42,918 INFO L93 Difference]: Finished difference Result 4 states and 3 transitions. [2019-08-05 10:14:42,919 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-08-05 10:14:42,919 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2019-08-05 10:14:42,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:14:42,919 INFO L225 Difference]: With dead ends: 4 [2019-08-05 10:14:42,919 INFO L226 Difference]: Without dead ends: 0 [2019-08-05 10:14:42,921 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-08-05 10:14:42,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-08-05 10:14:42,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-08-05 10:14:42,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-08-05 10:14:42,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-08-05 10:14:42,922 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2019-08-05 10:14:42,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:14:42,922 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-08-05 10:14:42,922 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-08-05 10:14:42,923 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-08-05 10:14:42,923 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-08-05 10:14:42,928 INFO L202 PluginConnector]: Adding new model pals_lcr.5.1.ufo.BOUNDED-10.pals.c_21.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 10:14:42 BoogieIcfgContainer [2019-08-05 10:14:42,929 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 10:14:42,931 INFO L168 Benchmark]: Toolchain (without parser) took 3281.81 ms. Allocated memory was 143.1 MB in the beginning and 174.6 MB in the end (delta: 31.5 MB). Free memory was 111.5 MB in the beginning and 71.6 MB in the end (delta: 39.9 MB). Peak memory consumption was 71.3 MB. Max. memory is 7.1 GB. [2019-08-05 10:14:42,932 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 143.1 MB. Free memory is still 113.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 10:14:42,934 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.58 ms. Allocated memory is still 143.1 MB. Free memory was 111.5 MB in the beginning and 109.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-08-05 10:14:42,935 INFO L168 Benchmark]: Boogie Preprocessor took 36.71 ms. Allocated memory is still 143.1 MB. Free memory was 109.7 MB in the beginning and 108.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-05 10:14:42,936 INFO L168 Benchmark]: RCFGBuilder took 1616.85 ms. Allocated memory was 143.1 MB in the beginning and 174.6 MB in the end (delta: 31.5 MB). Free memory was 108.0 MB in the beginning and 124.5 MB in the end (delta: -16.5 MB). Peak memory consumption was 50.9 MB. Max. memory is 7.1 GB. [2019-08-05 10:14:42,937 INFO L168 Benchmark]: TraceAbstraction took 1582.76 ms. Allocated memory is still 174.6 MB. Free memory was 123.5 MB in the beginning and 71.6 MB in the end (delta: 51.9 MB). Peak memory consumption was 51.9 MB. Max. memory is 7.1 GB. [2019-08-05 10:14:42,943 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 0.18 ms. Allocated memory is still 143.1 MB. Free memory is still 113.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 40.58 ms. Allocated memory is still 143.1 MB. Free memory was 111.5 MB in the beginning and 109.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 36.71 ms. Allocated memory is still 143.1 MB. Free memory was 109.7 MB in the beginning and 108.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1616.85 ms. Allocated memory was 143.1 MB in the beginning and 174.6 MB in the end (delta: 31.5 MB). Free memory was 108.0 MB in the beginning and 124.5 MB in the end (delta: -16.5 MB). Peak memory consumption was 50.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1582.76 ms. Allocated memory is still 174.6 MB. Free memory was 123.5 MB in the beginning and 71.6 MB in the end (delta: 51.9 MB). Peak memory consumption was 51.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 447]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. SAFE Result, 1.5s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 6 SDtfs, 1 SDslu, 5 SDs, 0 SdLazy, 11 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred 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, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 2 QuantifiedInterpolants, 554 SizeOfPredicates, 39 NumberOfNonLiveVariables, 324 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1/2 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...