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-var-start-time.5.1.ufo.BOUNDED-10.pals.c_11.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-04 21:37:18,118 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-04 21:37:18,122 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-04 21:37:18,136 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-04 21:37:18,136 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-04 21:37:18,137 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-04 21:37:18,139 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-04 21:37:18,141 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-04 21:37:18,142 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-04 21:37:18,143 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-04 21:37:18,144 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-04 21:37:18,145 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-04 21:37:18,145 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-04 21:37:18,146 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-04 21:37:18,147 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-04 21:37:18,149 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-04 21:37:18,149 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-04 21:37:18,150 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-04 21:37:18,152 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-04 21:37:18,154 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-04 21:37:18,156 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-04 21:37:18,157 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-04 21:37:18,158 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-04 21:37:18,159 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-04 21:37:18,161 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-04 21:37:18,162 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-04 21:37:18,162 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-04 21:37:18,163 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-04 21:37:18,164 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-04 21:37:18,167 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-04 21:37:18,168 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-04 21:37:18,169 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-04 21:37:18,169 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-04 21:37:18,172 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-04 21:37:18,174 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-04 21:37:18,174 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-04 21:37:18,174 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-04 21:37:18,175 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-04 21:37:18,175 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-04 21:37:18,176 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-04 21:37:18,180 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-04 21:37:18,228 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-04 21:37:18,245 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-04 21:37:18,249 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-04 21:37:18,251 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-04 21:37:18,252 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-04 21:37:18,253 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c_11.bpl [2019-08-04 21:37:18,254 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c_11.bpl' [2019-08-04 21:37:18,345 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-04 21:37:18,346 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-04 21:37:18,347 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-04 21:37:18,347 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-04 21:37:18,347 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-04 21:37:18,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:37:18" (1/1) ... [2019-08-04 21:37:18,377 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:37:18" (1/1) ... [2019-08-04 21:37:18,393 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-04 21:37:18,394 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-04 21:37:18,394 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-04 21:37:18,394 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-04 21:37:18,404 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:37:18" (1/1) ... [2019-08-04 21:37:18,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:37:18" (1/1) ... [2019-08-04 21:37:18,410 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:37:18" (1/1) ... [2019-08-04 21:37:18,410 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:37:18" (1/1) ... [2019-08-04 21:37:18,429 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:37:18" (1/1) ... [2019-08-04 21:37:18,432 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:37:18" (1/1) ... [2019-08-04 21:37:18,435 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:37:18" (1/1) ... [2019-08-04 21:37:18,445 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-04 21:37:18,446 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-04 21:37:18,446 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-04 21:37:18,449 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-04 21:37:18,450 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:37:18" (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 21:37:18,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-04 21:37:18,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-04 21:37:19,606 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-04 21:37:19,606 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-04 21:37:19,608 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 09:37:19 BoogieIcfgContainer [2019-08-04 21:37:19,608 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-04 21:37:19,610 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-04 21:37:19,610 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-04 21:37:19,613 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-04 21:37:19,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:37:18" (1/2) ... [2019-08-04 21:37:19,614 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c82b620 and model type pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.08 09:37:19, skipping insertion in model container [2019-08-04 21:37:19,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 09:37:19" (2/2) ... [2019-08-04 21:37:19,616 INFO L109 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c_11.bpl [2019-08-04 21:37:19,626 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-04 21:37:19,633 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-04 21:37:19,649 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-04 21:37:19,677 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-04 21:37:19,677 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-04 21:37:19,677 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-04 21:37:19,678 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-04 21:37:19,678 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-04 21:37:19,678 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-04 21:37:19,678 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-04 21:37:19,678 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-04 21:37:19,678 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-04 21:37:19,689 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2019-08-04 21:37:19,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-08-04 21:37:19,697 INFO L391 BasicCegarLoop]: Found error trace [2019-08-04 21:37:19,698 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-08-04 21:37:19,700 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-04 21:37:19,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-04 21:37:19,706 INFO L82 PathProgramCache]: Analyzing trace with hash 1001172, now seen corresponding path program 1 times [2019-08-04 21:37:19,772 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-04 21:37:19,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-04 21:37:19,982 INFO L256 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 12 conjunts are in the unsatisfiable core [2019-08-04 21:37:19,988 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-04 21:37:20,092 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-04 21:37:20,093 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-04 21:37:20,141 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-04 21:37:20,193 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 21:37:20,196 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-04 21:37:20,196 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-08-04 21:37:20,200 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-08-04 21:37:20,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-08-04 21:37:20,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-08-04 21:37:20,214 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2019-08-04 21:37:20,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-04 21:37:20,275 INFO L93 Difference]: Finished difference Result 8 states and 8 transitions. [2019-08-04 21:37:20,276 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-08-04 21:37:20,278 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2019-08-04 21:37:20,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-04 21:37:20,287 INFO L225 Difference]: With dead ends: 8 [2019-08-04 21:37:20,287 INFO L226 Difference]: Without dead ends: 8 [2019-08-04 21:37:20,289 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 21:37:20,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2019-08-04 21:37:20,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2019-08-04 21:37:20,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-08-04 21:37:20,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2019-08-04 21:37:20,317 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2019-08-04 21:37:20,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-04 21:37:20,317 INFO L475 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2019-08-04 21:37:20,317 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-08-04 21:37:20,317 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2019-08-04 21:37:20,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-08-04 21:37:20,318 INFO L391 BasicCegarLoop]: Found error trace [2019-08-04 21:37:20,318 INFO L399 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2019-08-04 21:37:20,318 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-04 21:37:20,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-04 21:37:20,319 INFO L82 PathProgramCache]: Analyzing trace with hash 962207787, now seen corresponding path program 1 times [2019-08-04 21:37:20,321 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-04 21:37:20,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-04 21:37:20,434 INFO L256 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 13 conjunts are in the unsatisfiable core [2019-08-04 21:37:20,437 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-04 21:37:20,647 WARN L188 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2019-08-04 21:37:20,651 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-04 21:37:20,664 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-04 21:37:20,872 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 27 [2019-08-04 21:37:20,904 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 21:37:20,904 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-04 21:37:20,904 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2019-08-04 21:37:20,906 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-08-04 21:37:20,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-08-04 21:37:20,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-08-04 21:37:20,907 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 4 states. [2019-08-04 21:37:20,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-04 21:37:20,953 INFO L93 Difference]: Finished difference Result 4 states and 3 transitions. [2019-08-04 21:37:20,953 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-08-04 21:37:20,953 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2019-08-04 21:37:20,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-04 21:37:20,954 INFO L225 Difference]: With dead ends: 4 [2019-08-04 21:37:20,954 INFO L226 Difference]: Without dead ends: 0 [2019-08-04 21:37:20,955 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 21:37:20,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-08-04 21:37:20,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-08-04 21:37:20,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-08-04 21:37:20,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-08-04 21:37:20,957 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2019-08-04 21:37:20,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-04 21:37:20,957 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-08-04 21:37:20,957 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-08-04 21:37:20,957 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-08-04 21:37:20,957 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-08-04 21:37:20,962 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.08 09:37:20 BoogieIcfgContainer [2019-08-04 21:37:20,963 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-04 21:37:20,965 INFO L168 Benchmark]: Toolchain (without parser) took 2618.35 ms. Allocated memory was 141.0 MB in the beginning and 177.2 MB in the end (delta: 36.2 MB). Free memory was 109.4 MB in the beginning and 96.6 MB in the end (delta: 12.8 MB). Peak memory consumption was 49.0 MB. Max. memory is 7.1 GB. [2019-08-04 21:37:20,966 INFO L168 Benchmark]: Boogie PL CUP Parser took 1.02 ms. Allocated memory is still 141.0 MB. Free memory is still 111.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-04 21:37:20,967 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.58 ms. Allocated memory is still 141.0 MB. Free memory was 109.4 MB in the beginning and 107.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-08-04 21:37:20,968 INFO L168 Benchmark]: Boogie Preprocessor took 51.55 ms. Allocated memory is still 141.0 MB. Free memory was 107.6 MB in the beginning and 105.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-04 21:37:20,970 INFO L168 Benchmark]: RCFGBuilder took 1162.37 ms. Allocated memory was 141.0 MB in the beginning and 177.2 MB in the end (delta: 36.2 MB). Free memory was 105.9 MB in the beginning and 145.1 MB in the end (delta: -39.2 MB). Peak memory consumption was 50.9 MB. Max. memory is 7.1 GB. [2019-08-04 21:37:20,971 INFO L168 Benchmark]: TraceAbstraction took 1353.30 ms. Allocated memory is still 177.2 MB. Free memory was 145.1 MB in the beginning and 96.6 MB in the end (delta: 48.6 MB). Peak memory consumption was 48.6 MB. Max. memory is 7.1 GB. [2019-08-04 21:37:20,976 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 1.02 ms. Allocated memory is still 141.0 MB. Free memory is still 111.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 46.58 ms. Allocated memory is still 141.0 MB. Free memory was 109.4 MB in the beginning and 107.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 51.55 ms. Allocated memory is still 141.0 MB. Free memory was 107.6 MB in the beginning and 105.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1162.37 ms. Allocated memory was 141.0 MB in the beginning and 177.2 MB in the end (delta: 36.2 MB). Free memory was 105.9 MB in the beginning and 145.1 MB in the end (delta: -39.2 MB). Peak memory consumption was 50.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1353.30 ms. Allocated memory is still 177.2 MB. Free memory was 145.1 MB in the beginning and 96.6 MB in the end (delta: 48.6 MB). Peak memory consumption was 48.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 467]: 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, 1.2s 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, 0.0s 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, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 2 QuantifiedInterpolants, 564 SizeOfPredicates, 30 NumberOfNonLiveVariables, 347 ConjunctsInSsa, 25 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...