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 [2019-08-04 21:38:01,039 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-04 21:38:01,041 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-04 21:38:01,053 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-04 21:38:01,053 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-04 21:38:01,054 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-04 21:38:01,055 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-04 21:38:01,057 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-04 21:38:01,059 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-04 21:38:01,060 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-04 21:38:01,061 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-04 21:38:01,061 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-04 21:38:01,062 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-04 21:38:01,062 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-04 21:38:01,064 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-04 21:38:01,065 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-04 21:38:01,066 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-04 21:38:01,066 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-04 21:38:01,068 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-04 21:38:01,070 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-04 21:38:01,072 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-04 21:38:01,073 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-04 21:38:01,074 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-04 21:38:01,075 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-04 21:38:01,078 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-04 21:38:01,078 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-04 21:38:01,078 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-04 21:38:01,079 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-04 21:38:01,080 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-04 21:38:01,081 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-04 21:38:01,081 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-04 21:38:01,082 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-04 21:38:01,083 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-04 21:38:01,084 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-04 21:38:01,085 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-04 21:38:01,085 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-04 21:38:01,086 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-04 21:38:01,086 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-04 21:38:01,086 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-04 21:38:01,087 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-04 21:38:01,088 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-04 21:38:01,116 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-04 21:38:01,129 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-04 21:38:01,133 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-04 21:38:01,135 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-04 21:38:01,135 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-04 21:38:01,136 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr.5.1.ufo.BOUNDED-10.pals.c_21.bpl [2019-08-04 21:38:01,136 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr.5.1.ufo.BOUNDED-10.pals.c_21.bpl' [2019-08-04 21:38:01,223 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-04 21:38:01,224 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-04 21:38:01,225 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-04 21:38:01,225 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-04 21:38:01,226 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-04 21:38:01,243 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 04.08 09:38:01" (1/1) ... [2019-08-04 21:38:01,258 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 04.08 09:38:01" (1/1) ... [2019-08-04 21:38:01,270 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-04 21:38:01,271 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-04 21:38:01,271 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-04 21:38:01,271 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-04 21:38:01,282 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 04.08 09:38:01" (1/1) ... [2019-08-04 21:38:01,282 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 04.08 09:38:01" (1/1) ... [2019-08-04 21:38:01,293 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 04.08 09:38:01" (1/1) ... [2019-08-04 21:38:01,293 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 04.08 09:38:01" (1/1) ... [2019-08-04 21:38:01,314 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 04.08 09:38:01" (1/1) ... [2019-08-04 21:38:01,319 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 04.08 09:38:01" (1/1) ... [2019-08-04 21:38:01,323 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 04.08 09:38:01" (1/1) ... [2019-08-04 21:38:01,332 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-04 21:38:01,333 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-04 21:38:01,334 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-04 21:38:01,334 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-04 21:38:01,338 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 04.08 09:38:01" (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 [2019-08-04 21:38:01,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-04 21:38:01,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-04 21:38:02,823 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-04 21:38:02,824 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-04 21:38:02,825 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 04.08 09:38:02 BoogieIcfgContainer [2019-08-04 21:38:02,825 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-04 21:38:02,830 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-04 21:38:02,830 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-04 21:38:02,834 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-04 21:38:02,835 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 04.08 09:38:01" (1/2) ... [2019-08-04 21:38:02,836 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26f2677d and model type pals_lcr.5.1.ufo.BOUNDED-10.pals.c_21.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.08 09:38:02, skipping insertion in model container [2019-08-04 21:38:02,836 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 04.08 09:38:02" (2/2) ... [2019-08-04 21:38:02,838 INFO L109 eAbstractionObserver]: Analyzing ICFG pals_lcr.5.1.ufo.BOUNDED-10.pals.c_21.bpl [2019-08-04 21:38:02,848 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-04 21:38:02,857 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-04 21:38:02,872 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-04 21:38:02,897 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-04 21:38:02,898 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-04 21:38:02,898 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-04 21:38:02,898 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-04 21:38:02,898 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-04 21:38:02,899 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-04 21:38:02,899 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-04 21:38:02,899 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-04 21:38:02,899 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-04 21:38:02,912 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2019-08-04 21:38:02,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-08-04 21:38:02,919 INFO L391 BasicCegarLoop]: Found error trace [2019-08-04 21:38:02,920 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-08-04 21:38:02,923 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-04 21:38:02,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-04 21:38:02,931 INFO L82 PathProgramCache]: Analyzing trace with hash 1009052, now seen corresponding path program 1 times [2019-08-04 21:38:02,998 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-04 21:38:03,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-04 21:38:03,235 INFO L256 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 12 conjunts are in the unsatisfiable core [2019-08-04 21:38:03,241 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-04 21:38:03,345 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-04 21:38:03,362 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-04 21:38:03,381 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-04 21:38:03,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-04 21:38:03,424 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-04 21:38:03,425 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-08-04 21:38:03,429 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-08-04 21:38:03,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-08-04 21:38:03,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-08-04 21:38:03,447 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2019-08-04 21:38:03,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-04 21:38:03,552 INFO L93 Difference]: Finished difference Result 8 states and 8 transitions. [2019-08-04 21:38:03,552 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-08-04 21:38:03,554 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2019-08-04 21:38:03,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-04 21:38:03,564 INFO L225 Difference]: With dead ends: 8 [2019-08-04 21:38:03,565 INFO L226 Difference]: Without dead ends: 8 [2019-08-04 21:38:03,567 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 [2019-08-04 21:38:03,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2019-08-04 21:38:03,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2019-08-04 21:38:03,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-08-04 21:38:03,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2019-08-04 21:38:03,608 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2019-08-04 21:38:03,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-04 21:38:03,609 INFO L475 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2019-08-04 21:38:03,609 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-08-04 21:38:03,609 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2019-08-04 21:38:03,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-08-04 21:38:03,609 INFO L391 BasicCegarLoop]: Found error trace [2019-08-04 21:38:03,610 INFO L399 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2019-08-04 21:38:03,610 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-04 21:38:03,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-04 21:38:03,611 INFO L82 PathProgramCache]: Analyzing trace with hash 969782581, now seen corresponding path program 1 times [2019-08-04 21:38:03,614 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-04 21:38:03,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-04 21:38:03,723 INFO L256 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 20 conjunts are in the unsatisfiable core [2019-08-04 21:38:03,726 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-04 21:38:03,901 WARN L188 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2019-08-04 21:38:03,905 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-04 21:38:03,933 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-04 21:38:03,947 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-04 21:38:04,184 WARN L188 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 26 [2019-08-04 21:38:04,193 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-04 21:38:04,208 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-04 21:38:04,210 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-04 21:38:04,239 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-04 21:38:04,240 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-04 21:38:04,240 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2019-08-04 21:38:04,242 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-08-04 21:38:04,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-08-04 21:38:04,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-08-04 21:38:04,244 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 4 states. [2019-08-04 21:38:04,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-04 21:38:04,298 INFO L93 Difference]: Finished difference Result 4 states and 3 transitions. [2019-08-04 21:38:04,299 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-08-04 21:38:04,299 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2019-08-04 21:38:04,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-04 21:38:04,300 INFO L225 Difference]: With dead ends: 4 [2019-08-04 21:38:04,300 INFO L226 Difference]: Without dead ends: 0 [2019-08-04 21:38:04,304 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-08-04 21:38:04,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-08-04 21:38:04,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-08-04 21:38:04,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-08-04 21:38:04,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-08-04 21:38:04,306 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2019-08-04 21:38:04,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-04 21:38:04,306 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-08-04 21:38:04,306 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-08-04 21:38:04,307 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-08-04 21:38:04,307 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-08-04 21:38:04,321 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 04.08 09:38:04 BoogieIcfgContainer [2019-08-04 21:38:04,321 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-04 21:38:04,326 INFO L168 Benchmark]: Toolchain (without parser) took 3098.76 ms. Allocated memory was 134.2 MB in the beginning and 170.4 MB in the end (delta: 36.2 MB). Free memory was 109.5 MB in the beginning and 74.1 MB in the end (delta: 35.4 MB). Peak memory consumption was 71.6 MB. Max. memory is 7.1 GB. [2019-08-04 21:38:04,327 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 134.2 MB. Free memory was 111.8 MB in the beginning and 111.6 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-04 21:38:04,330 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.10 ms. Allocated memory is still 134.2 MB. Free memory was 109.5 MB in the beginning and 107.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-08-04 21:38:04,331 INFO L168 Benchmark]: Boogie Preprocessor took 62.16 ms. Allocated memory is still 134.2 MB. Free memory was 107.7 MB in the beginning and 106.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. [2019-08-04 21:38:04,332 INFO L168 Benchmark]: RCFGBuilder took 1492.12 ms. Allocated memory was 134.2 MB in the beginning and 170.4 MB in the end (delta: 36.2 MB). Free memory was 106.2 MB in the beginning and 126.2 MB in the end (delta: -20.0 MB). Peak memory consumption was 51.2 MB. Max. memory is 7.1 GB. [2019-08-04 21:38:04,334 INFO L168 Benchmark]: TraceAbstraction took 1491.21 ms. Allocated memory is still 170.4 MB. Free memory was 125.4 MB in the beginning and 74.1 MB in the end (delta: 51.4 MB). Peak memory consumption was 51.4 MB. Max. memory is 7.1 GB. [2019-08-04 21:38:04,341 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 134.2 MB. Free memory was 111.8 MB in the beginning and 111.6 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 45.10 ms. Allocated memory is still 134.2 MB. Free memory was 109.5 MB in the beginning and 107.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 62.16 ms. Allocated memory is still 134.2 MB. Free memory was 107.7 MB in the beginning and 106.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1492.12 ms. Allocated memory was 134.2 MB in the beginning and 170.4 MB in the end (delta: 36.2 MB). Free memory was 106.2 MB in the beginning and 126.2 MB in the end (delta: -20.0 MB). Peak memory consumption was 51.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1491.21 ms. Allocated memory is still 170.4 MB. Free memory was 125.4 MB in the beginning and 74.1 MB in the end (delta: 51.4 MB). Peak memory consumption was 51.4 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, 1.4s 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, 0.4s 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, 0.3s SatisfiabilityAnalysisTime, 0.7s 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...