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/s3_srvr_2_alt.BV.c.cil.c_13.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 10:24:12,463 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 10:24:12,465 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 10:24:12,476 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 10:24:12,477 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 10:24:12,478 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 10:24:12,479 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 10:24:12,481 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 10:24:12,482 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 10:24:12,483 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 10:24:12,484 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 10:24:12,485 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 10:24:12,485 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 10:24:12,486 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 10:24:12,487 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 10:24:12,488 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 10:24:12,489 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 10:24:12,490 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 10:24:12,492 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 10:24:12,494 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 10:24:12,495 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 10:24:12,496 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 10:24:12,498 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 10:24:12,498 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 10:24:12,501 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 10:24:12,501 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 10:24:12,501 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 10:24:12,502 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 10:24:12,503 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 10:24:12,504 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 10:24:12,504 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 10:24:12,505 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 10:24:12,506 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 10:24:12,507 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 10:24:12,508 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 10:24:12,508 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 10:24:12,509 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 10:24:12,509 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 10:24:12,509 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 10:24:12,510 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 10:24:12,511 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 10:24:12,542 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 10:24:12,554 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 10:24:12,560 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 10:24:12,561 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 10:24:12,562 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 10:24:12,563 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_srvr_2_alt.BV.c.cil.c_13.bpl [2019-08-05 10:24:12,563 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_srvr_2_alt.BV.c.cil.c_13.bpl' [2019-08-05 10:24:12,629 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 10:24:12,630 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 10:24:12,631 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 10:24:12,631 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 10:24:12,631 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 10:24:12,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "s3_srvr_2_alt.BV.c.cil.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:24:12" (1/1) ... [2019-08-05 10:24:12,666 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "s3_srvr_2_alt.BV.c.cil.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:24:12" (1/1) ... [2019-08-05 10:24:12,679 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 10:24:12,680 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 10:24:12,680 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 10:24:12,680 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 10:24:12,692 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "s3_srvr_2_alt.BV.c.cil.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:24:12" (1/1) ... [2019-08-05 10:24:12,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "s3_srvr_2_alt.BV.c.cil.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:24:12" (1/1) ... [2019-08-05 10:24:12,696 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "s3_srvr_2_alt.BV.c.cil.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:24:12" (1/1) ... [2019-08-05 10:24:12,697 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "s3_srvr_2_alt.BV.c.cil.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:24:12" (1/1) ... [2019-08-05 10:24:12,720 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "s3_srvr_2_alt.BV.c.cil.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:24:12" (1/1) ... [2019-08-05 10:24:12,725 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "s3_srvr_2_alt.BV.c.cil.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:24:12" (1/1) ... [2019-08-05 10:24:12,732 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "s3_srvr_2_alt.BV.c.cil.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:24:12" (1/1) ... [2019-08-05 10:24:12,740 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 10:24:12,740 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 10:24:12,741 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 10:24:12,741 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 10:24:12,742 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "s3_srvr_2_alt.BV.c.cil.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:24:12" (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 10:24:12,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 10:24:12,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 10:24:13,448 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 10:24:13,448 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-05 10:24:13,449 INFO L202 PluginConnector]: Adding new model s3_srvr_2_alt.BV.c.cil.c_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:24:13 BoogieIcfgContainer [2019-08-05 10:24:13,449 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 10:24:13,451 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 10:24:13,451 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 10:24:13,454 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 10:24:13,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "s3_srvr_2_alt.BV.c.cil.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:24:12" (1/2) ... [2019-08-05 10:24:13,456 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42ab0520 and model type s3_srvr_2_alt.BV.c.cil.c_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 10:24:13, skipping insertion in model container [2019-08-05 10:24:13,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "s3_srvr_2_alt.BV.c.cil.c_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:24:13" (2/2) ... [2019-08-05 10:24:13,458 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_srvr_2_alt.BV.c.cil.c_13.bpl [2019-08-05 10:24:13,468 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 10:24:13,476 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-05 10:24:13,493 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-05 10:24:13,522 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 10:24:13,523 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 10:24:13,523 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 10:24:13,524 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 10:24:13,524 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 10:24:13,524 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 10:24:13,524 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 10:24:13,525 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 10:24:13,525 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 10:24:13,539 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2019-08-05 10:24:13,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-08-05 10:24:13,547 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:24:13,548 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-08-05 10:24:13,551 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:24:13,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:24:13,557 INFO L82 PathProgramCache]: Analyzing trace with hash 212232727, now seen corresponding path program 1 times [2019-08-05 10:24:13,602 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:24:13,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:24:13,675 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 2 conjunts are in the unsatisfiable core [2019-08-05 10:24:13,681 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:24:13,723 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 10:24:13,726 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 10:24:13,726 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-08-05 10:24:13,734 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-08-05 10:24:13,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-08-05 10:24:13,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 10:24:13,753 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 3 states. [2019-08-05 10:24:13,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:24:13,852 INFO L93 Difference]: Finished difference Result 17 states and 24 transitions. [2019-08-05 10:24:13,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-08-05 10:24:13,854 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-08-05 10:24:13,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:24:13,866 INFO L225 Difference]: With dead ends: 17 [2019-08-05 10:24:13,866 INFO L226 Difference]: Without dead ends: 17 [2019-08-05 10:24:13,868 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 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 10:24:13,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2019-08-05 10:24:13,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2019-08-05 10:24:13,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-08-05 10:24:13,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 24 transitions. [2019-08-05 10:24:13,905 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 24 transitions. Word has length 8 [2019-08-05 10:24:13,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:24:13,906 INFO L475 AbstractCegarLoop]: Abstraction has 17 states and 24 transitions. [2019-08-05 10:24:13,921 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-08-05 10:24:13,922 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2019-08-05 10:24:13,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-08-05 10:24:13,922 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:24:13,923 INFO L399 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-08-05 10:24:13,923 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:24:13,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:24:13,927 INFO L82 PathProgramCache]: Analyzing trace with hash -250815121, now seen corresponding path program 1 times [2019-08-05 10:24:13,928 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:24:14,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:24:14,032 INFO L256 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 2 conjunts are in the unsatisfiable core [2019-08-05 10:24:14,035 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:24:14,089 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:24:14,090 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 10:24:14,090 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-08-05 10:24:14,097 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-08-05 10:24:14,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-08-05 10:24:14,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 10:24:14,098 INFO L87 Difference]: Start difference. First operand 17 states and 24 transitions. Second operand 3 states. [2019-08-05 10:24:14,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:24:14,247 INFO L93 Difference]: Finished difference Result 24 states and 35 transitions. [2019-08-05 10:24:14,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-08-05 10:24:14,247 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2019-08-05 10:24:14,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:24:14,248 INFO L225 Difference]: With dead ends: 24 [2019-08-05 10:24:14,248 INFO L226 Difference]: Without dead ends: 24 [2019-08-05 10:24:14,250 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 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 10:24:14,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2019-08-05 10:24:14,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2019-08-05 10:24:14,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-08-05 10:24:14,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 35 transitions. [2019-08-05 10:24:14,255 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 35 transitions. Word has length 11 [2019-08-05 10:24:14,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:24:14,256 INFO L475 AbstractCegarLoop]: Abstraction has 24 states and 35 transitions. [2019-08-05 10:24:14,256 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-08-05 10:24:14,256 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2019-08-05 10:24:14,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-08-05 10:24:14,257 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:24:14,257 INFO L399 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-08-05 10:24:14,257 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:24:14,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:24:14,258 INFO L82 PathProgramCache]: Analyzing trace with hash 820063068, now seen corresponding path program 1 times [2019-08-05 10:24:14,259 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:24:14,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:24:14,319 INFO L256 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 3 conjunts are in the unsatisfiable core [2019-08-05 10:24:14,323 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:24:14,356 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-08-05 10:24:14,357 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 10:24:14,357 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-08-05 10:24:14,357 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-08-05 10:24:14,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-08-05 10:24:14,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 10:24:14,358 INFO L87 Difference]: Start difference. First operand 24 states and 35 transitions. Second operand 3 states. [2019-08-05 10:24:14,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:24:14,484 INFO L93 Difference]: Finished difference Result 30 states and 41 transitions. [2019-08-05 10:24:14,489 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-08-05 10:24:14,489 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2019-08-05 10:24:14,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:24:14,490 INFO L225 Difference]: With dead ends: 30 [2019-08-05 10:24:14,491 INFO L226 Difference]: Without dead ends: 30 [2019-08-05 10:24:14,491 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 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 10:24:14,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-08-05 10:24:14,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-08-05 10:24:14,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-08-05 10:24:14,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 41 transitions. [2019-08-05 10:24:14,500 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 41 transitions. Word has length 15 [2019-08-05 10:24:14,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:24:14,501 INFO L475 AbstractCegarLoop]: Abstraction has 30 states and 41 transitions. [2019-08-05 10:24:14,501 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-08-05 10:24:14,501 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 41 transitions. [2019-08-05 10:24:14,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-08-05 10:24:14,504 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:24:14,505 INFO L399 BasicCegarLoop]: trace histogram [4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2019-08-05 10:24:14,505 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:24:14,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:24:14,505 INFO L82 PathProgramCache]: Analyzing trace with hash -18544326, now seen corresponding path program 1 times [2019-08-05 10:24:14,507 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:24:14,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:24:14,586 INFO L256 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 5 conjunts are in the unsatisfiable core [2019-08-05 10:24:14,590 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:24:14,773 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:24:14,773 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:24:14,774 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2019-08-05 10:24:14,774 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-08-05 10:24:14,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-08-05 10:24:14,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-08-05 10:24:14,775 INFO L87 Difference]: Start difference. First operand 30 states and 41 transitions. Second operand 5 states. [2019-08-05 10:24:14,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:24:14,905 INFO L93 Difference]: Finished difference Result 43 states and 56 transitions. [2019-08-05 10:24:14,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-08-05 10:24:14,906 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2019-08-05 10:24:14,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:24:14,907 INFO L225 Difference]: With dead ends: 43 [2019-08-05 10:24:14,908 INFO L226 Difference]: Without dead ends: 43 [2019-08-05 10:24:14,908 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-08-05 10:24:14,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-08-05 10:24:14,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2019-08-05 10:24:14,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-08-05 10:24:14,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 56 transitions. [2019-08-05 10:24:14,914 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 56 transitions. Word has length 21 [2019-08-05 10:24:14,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:24:14,915 INFO L475 AbstractCegarLoop]: Abstraction has 43 states and 56 transitions. [2019-08-05 10:24:14,915 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-08-05 10:24:14,915 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 56 transitions. [2019-08-05 10:24:14,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-08-05 10:24:14,916 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:24:14,917 INFO L399 BasicCegarLoop]: trace histogram [6, 5, 5, 3, 3, 2, 2, 1, 1, 1, 1, 1] [2019-08-05 10:24:14,917 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:24:14,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:24:14,917 INFO L82 PathProgramCache]: Analyzing trace with hash 438121285, now seen corresponding path program 2 times [2019-08-05 10:24:14,918 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:24:14,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:24:14,953 INFO L256 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 2 conjunts are in the unsatisfiable core [2019-08-05 10:24:14,956 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:24:15,011 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-08-05 10:24:15,011 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 10:24:15,011 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-08-05 10:24:15,012 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-08-05 10:24:15,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-08-05 10:24:15,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 10:24:15,013 INFO L87 Difference]: Start difference. First operand 43 states and 56 transitions. Second operand 3 states. [2019-08-05 10:24:15,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:24:15,117 INFO L93 Difference]: Finished difference Result 67 states and 80 transitions. [2019-08-05 10:24:15,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-08-05 10:24:15,118 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2019-08-05 10:24:15,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:24:15,121 INFO L225 Difference]: With dead ends: 67 [2019-08-05 10:24:15,121 INFO L226 Difference]: Without dead ends: 67 [2019-08-05 10:24:15,121 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 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 10:24:15,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2019-08-05 10:24:15,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2019-08-05 10:24:15,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2019-08-05 10:24:15,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 80 transitions. [2019-08-05 10:24:15,129 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 80 transitions. Word has length 31 [2019-08-05 10:24:15,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:24:15,129 INFO L475 AbstractCegarLoop]: Abstraction has 67 states and 80 transitions. [2019-08-05 10:24:15,129 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-08-05 10:24:15,130 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 80 transitions. [2019-08-05 10:24:15,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-08-05 10:24:15,131 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:24:15,131 INFO L399 BasicCegarLoop]: trace histogram [7, 6, 6, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1] [2019-08-05 10:24:15,131 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:24:15,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:24:15,132 INFO L82 PathProgramCache]: Analyzing trace with hash -1968241, now seen corresponding path program 1 times [2019-08-05 10:24:15,133 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:24:15,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:24:15,200 INFO L256 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 2 conjunts are in the unsatisfiable core [2019-08-05 10:24:15,205 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:24:15,269 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-08-05 10:24:15,270 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 10:24:15,270 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-08-05 10:24:15,272 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-08-05 10:24:15,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-08-05 10:24:15,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 10:24:15,275 INFO L87 Difference]: Start difference. First operand 67 states and 80 transitions. Second operand 3 states. [2019-08-05 10:24:15,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:24:15,382 INFO L93 Difference]: Finished difference Result 91 states and 104 transitions. [2019-08-05 10:24:15,383 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-08-05 10:24:15,383 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2019-08-05 10:24:15,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:24:15,384 INFO L225 Difference]: With dead ends: 91 [2019-08-05 10:24:15,384 INFO L226 Difference]: Without dead ends: 87 [2019-08-05 10:24:15,385 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 36 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 10:24:15,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2019-08-05 10:24:15,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2019-08-05 10:24:15,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2019-08-05 10:24:15,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 100 transitions. [2019-08-05 10:24:15,393 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 100 transitions. Word has length 38 [2019-08-05 10:24:15,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:24:15,393 INFO L475 AbstractCegarLoop]: Abstraction has 87 states and 100 transitions. [2019-08-05 10:24:15,393 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-08-05 10:24:15,394 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 100 transitions. [2019-08-05 10:24:15,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-08-05 10:24:15,395 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:24:15,395 INFO L399 BasicCegarLoop]: trace histogram [8, 7, 7, 5, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2019-08-05 10:24:15,396 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:24:15,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:24:15,396 INFO L82 PathProgramCache]: Analyzing trace with hash -1527084167, now seen corresponding path program 1 times [2019-08-05 10:24:15,397 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:24:15,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:24:15,430 INFO L256 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 3 conjunts are in the unsatisfiable core [2019-08-05 10:24:15,432 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:24:15,540 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-08-05 10:24:15,541 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:24:15,541 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2019-08-05 10:24:15,541 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-08-05 10:24:15,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-08-05 10:24:15,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-08-05 10:24:15,542 INFO L87 Difference]: Start difference. First operand 87 states and 100 transitions. Second operand 4 states. [2019-08-05 10:24:15,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:24:15,703 INFO L93 Difference]: Finished difference Result 94 states and 103 transitions. [2019-08-05 10:24:15,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-08-05 10:24:15,704 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 43 [2019-08-05 10:24:15,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:24:15,704 INFO L225 Difference]: With dead ends: 94 [2019-08-05 10:24:15,704 INFO L226 Difference]: Without dead ends: 0 [2019-08-05 10:24:15,705 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-08-05 10:24:15,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-08-05 10:24:15,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-08-05 10:24:15,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-08-05 10:24:15,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-08-05 10:24:15,706 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2019-08-05 10:24:15,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:24:15,707 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-08-05 10:24:15,707 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-08-05 10:24:15,707 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-08-05 10:24:15,708 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-08-05 10:24:15,712 INFO L202 PluginConnector]: Adding new model s3_srvr_2_alt.BV.c.cil.c_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 10:24:15 BoogieIcfgContainer [2019-08-05 10:24:15,713 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 10:24:15,716 INFO L168 Benchmark]: Toolchain (without parser) took 3084.25 ms. Allocated memory was 132.1 MB in the beginning and 172.5 MB in the end (delta: 40.4 MB). Free memory was 107.6 MB in the beginning and 70.7 MB in the end (delta: 37.0 MB). Peak memory consumption was 77.3 MB. Max. memory is 7.1 GB. [2019-08-05 10:24:15,717 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 132.1 MB. Free memory was 109.7 MB in the beginning and 109.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-05 10:24:15,718 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.28 ms. Allocated memory is still 132.1 MB. Free memory was 107.4 MB in the beginning and 105.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. [2019-08-05 10:24:15,719 INFO L168 Benchmark]: Boogie Preprocessor took 60.24 ms. Allocated memory is still 132.1 MB. Free memory was 105.9 MB in the beginning and 104.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. [2019-08-05 10:24:15,720 INFO L168 Benchmark]: RCFGBuilder took 709.02 ms. Allocated memory is still 132.1 MB. Free memory was 104.2 MB in the beginning and 81.1 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. [2019-08-05 10:24:15,721 INFO L168 Benchmark]: TraceAbstraction took 2261.57 ms. Allocated memory was 132.1 MB in the beginning and 172.5 MB in the end (delta: 40.4 MB). Free memory was 80.7 MB in the beginning and 70.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 50.4 MB. Max. memory is 7.1 GB. [2019-08-05 10:24:15,726 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 0.20 ms. Allocated memory is still 132.1 MB. Free memory was 109.7 MB in the beginning and 109.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 48.28 ms. Allocated memory is still 132.1 MB. Free memory was 107.4 MB in the beginning and 105.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 60.24 ms. Allocated memory is still 132.1 MB. Free memory was 105.9 MB in the beginning and 104.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 709.02 ms. Allocated memory is still 132.1 MB. Free memory was 104.2 MB in the beginning and 81.1 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2261.57 ms. Allocated memory was 132.1 MB in the beginning and 172.5 MB in the end (delta: 40.4 MB). Free memory was 80.7 MB in the beginning and 70.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 50.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 382]: 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, 11 locations, 1 error locations. SAFE Result, 2.2s OverallTime, 7 OverallIterations, 8 TraceHistogramMax, 0.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 117 SDtfs, 23 SDslu, 95 SDs, 0 SdLazy, 131 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 162 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred in iteration=6, 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, 7 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 167 NumberOfCodeBlocks, 167 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 160 ConstructedInterpolants, 0 QuantifiedInterpolants, 7142 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1777 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 268/286 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...