java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBpl.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/programs/regression/bpl/AutomizerBpl-nestedInterpolants.epf -i ../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/pals_lcr.3.ufo.UNBOUNDED.pals.c_14.bplTransformedIcfg_BEv2_29.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-935f392 [2018-07-23 13:41:51,080 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 13:41:51,082 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 13:41:51,099 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 13:41:51,099 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 13:41:51,100 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 13:41:51,101 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 13:41:51,103 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 13:41:51,105 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 13:41:51,105 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 13:41:51,106 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 13:41:51,107 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 13:41:51,108 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 13:41:51,108 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 13:41:51,110 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 13:41:51,111 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 13:41:51,111 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 13:41:51,113 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 13:41:51,115 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 13:41:51,120 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 13:41:51,121 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 13:41:51,124 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 13:41:51,126 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 13:41:51,127 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 13:41:51,127 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 13:41:51,128 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 13:41:51,128 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 13:41:51,129 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 13:41:51,130 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 13:41:51,131 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 13:41:51,131 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 13:41:51,132 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-07-23 13:41:51,134 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/AutomizerBpl-nestedInterpolants.epf [2018-07-23 13:41:51,149 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 13:41:51,149 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 13:41:51,150 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 13:41:51,151 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-07-23 13:41:51,151 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 13:41:51,151 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-07-23 13:41:51,151 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-23 13:41:51,151 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 13:41:51,218 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 13:41:51,232 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 13:41:51,236 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 13:41:51,240 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-23 13:41:51,241 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-23 13:41:51,242 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/pals_lcr.3.ufo.UNBOUNDED.pals.c_14.bplTransformedIcfg_BEv2_29.bpl [2018-07-23 13:41:51,242 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/pals_lcr.3.ufo.UNBOUNDED.pals.c_14.bplTransformedIcfg_BEv2_29.bpl' [2018-07-23 13:41:51,335 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 13:41:51,337 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-07-23 13:41:51,338 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 13:41:51,338 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 13:41:51,338 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 13:41:51,367 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr.3.ufo.UNBOUNDED.pals.c_14.bplTransformedIcfg_BEv2_29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:41:51" (1/1) ... [2018-07-23 13:41:51,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr.3.ufo.UNBOUNDED.pals.c_14.bplTransformedIcfg_BEv2_29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:41:51" (1/1) ... [2018-07-23 13:41:51,384 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr.3.ufo.UNBOUNDED.pals.c_14.bplTransformedIcfg_BEv2_29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:41:51" (1/1) ... [2018-07-23 13:41:51,384 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr.3.ufo.UNBOUNDED.pals.c_14.bplTransformedIcfg_BEv2_29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:41:51" (1/1) ... [2018-07-23 13:41:51,394 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr.3.ufo.UNBOUNDED.pals.c_14.bplTransformedIcfg_BEv2_29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:41:51" (1/1) ... [2018-07-23 13:41:51,403 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr.3.ufo.UNBOUNDED.pals.c_14.bplTransformedIcfg_BEv2_29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:41:51" (1/1) ... [2018-07-23 13:41:51,406 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr.3.ufo.UNBOUNDED.pals.c_14.bplTransformedIcfg_BEv2_29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:41:51" (1/1) ... [2018-07-23 13:41:51,419 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 13:41:51,421 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 13:41:51,421 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 13:41:51,421 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 13:41:51,422 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr.3.ufo.UNBOUNDED.pals.c_14.bplTransformedIcfg_BEv2_29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:41:51" (1/1) ... [2018-07-23 13:41:51,511 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-07-23 13:41:51,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 13:41:51,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 13:41:52,223 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 13:41:52,224 INFO L202 PluginConnector]: Adding new model pals_lcr.3.ufo.UNBOUNDED.pals.c_14.bplTransformedIcfg_BEv2_29.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:41:52 BoogieIcfgContainer [2018-07-23 13:41:52,224 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 13:41:52,226 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 13:41:52,226 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 13:41:52,229 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 13:41:52,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr.3.ufo.UNBOUNDED.pals.c_14.bplTransformedIcfg_BEv2_29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:41:51" (1/2) ... [2018-07-23 13:41:52,231 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57911c1b and model type pals_lcr.3.ufo.UNBOUNDED.pals.c_14.bplTransformedIcfg_BEv2_29.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:41:52, skipping insertion in model container [2018-07-23 13:41:52,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr.3.ufo.UNBOUNDED.pals.c_14.bplTransformedIcfg_BEv2_29.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:41:52" (2/2) ... [2018-07-23 13:41:52,235 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.3.ufo.UNBOUNDED.pals.c_14.bplTransformedIcfg_BEv2_29.bpl [2018-07-23 13:41:52,244 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-07-23 13:41:52,254 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 13:41:52,297 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 13:41:52,298 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 13:41:52,298 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 13:41:52,298 INFO L375 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-07-23 13:41:52,298 INFO L376 AbstractCegarLoop]: Backedges is CANONICAL [2018-07-23 13:41:52,298 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 13:41:52,299 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 13:41:52,299 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 13:41:52,299 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 13:41:52,312 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-23 13:41:52,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-23 13:41:52,321 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:52,322 INFO L357 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-23 13:41:52,322 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:52,328 INFO L82 PathProgramCache]: Analyzing trace with hash 998287, now seen corresponding path program 1 times [2018-07-23 13:41:52,334 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:52,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:52,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:52,468 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 13:41:52,469 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 13:41:52,471 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:52,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:52,472 INFO L185 omatonBuilderFactory]: Interpolants [9#true, 10#false, 11#(and (<= ~r1 0) (< 511 ~mode1)), 12#(= 1 ULTIMATE.start_assert_~arg)] [2018-07-23 13:41:52,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:52,473 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 13:41:52,487 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 13:41:52,488 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-23 13:41:52,490 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2018-07-23 13:41:52,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:52,539 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2018-07-23 13:41:52,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 13:41:52,541 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2018-07-23 13:41:52,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:52,562 INFO L225 Difference]: With dead ends: 11 [2018-07-23 13:41:52,562 INFO L226 Difference]: Without dead ends: 8 [2018-07-23 13:41:52,566 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-23 13:41:52,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2018-07-23 13:41:52,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2018-07-23 13:41:52,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-23 13:41:52,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-23 13:41:52,606 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-07-23 13:41:52,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:52,607 INFO L471 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-23 13:41:52,607 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 13:41:52,607 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-23 13:41:52,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-23 13:41:52,608 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:52,608 INFO L357 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-07-23 13:41:52,608 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:52,608 INFO L82 PathProgramCache]: Analyzing trace with hash 959315175, now seen corresponding path program 1 times [2018-07-23 13:41:52,609 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:52,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:52,703 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:52,703 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:52,703 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2018-07-23 13:41:52,704 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:52,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:52,705 INFO L185 omatonBuilderFactory]: Interpolants [49#true, 50#false, 51#(and (= 0 (+ ~nomsg 1)) (= ~mode3 0) (= (+ ~mode2 256) 0)), 52#(and (not (= (+ ~p2_old 1) 0)) (not (= 0 ~mode3)) (= 0 (+ ~nomsg 1))), 53#(not (= 0 ULTIMATE.start_assert_~arg))] [2018-07-23 13:41:52,705 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:52,709 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-23 13:41:52,710 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-23 13:41:52,711 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-07-23 13:41:52,712 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 5 states. [2018-07-23 13:41:52,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:52,774 INFO L93 Difference]: Finished difference Result 8 states and 8 transitions. [2018-07-23 13:41:52,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-07-23 13:41:52,775 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 6 [2018-07-23 13:41:52,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:52,776 INFO L225 Difference]: With dead ends: 8 [2018-07-23 13:41:52,776 INFO L226 Difference]: Without dead ends: 0 [2018-07-23 13:41:52,777 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-07-23 13:41:52,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-07-23 13:41:52,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-07-23 13:41:52,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-07-23 13:41:52,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-07-23 13:41:52,779 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2018-07-23 13:41:52,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:52,779 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-07-23 13:41:52,779 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-23 13:41:52,779 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-07-23 13:41:52,780 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-07-23 13:41:52,785 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-07-23 13:41:52,813 INFO L421 ceAbstractionStarter]: For program point L262(lines 258 269) no Hoare annotation was computed. [2018-07-23 13:41:52,813 INFO L421 ceAbstractionStarter]: For program point L223(lines 223 233) no Hoare annotation was computed. [2018-07-23 13:41:52,813 INFO L417 ceAbstractionStarter]: At program point L302(lines 302 303) the Hoare annotation is: false [2018-07-23 13:41:52,814 INFO L421 ceAbstractionStarter]: For program point L174(lines 174 187) no Hoare annotation was computed. [2018-07-23 13:41:52,814 INFO L417 ceAbstractionStarter]: At program point L294(lines 294 300) the Hoare annotation is: (and (not (= (+ ~p2_old 1) 0)) (not (= 0 ~mode3)) (= 0 (+ ~nomsg 1)) (= 1 ULTIMATE.start_assert_~arg)) [2018-07-23 13:41:52,816 INFO L417 ceAbstractionStarter]: At program point L299(lines 169 299) the Hoare annotation is: (let ((.cse0 (= 0 (+ ~nomsg 1)))) (or (and (not (= 0 ULTIMATE.start_assert_~arg)) (not (= (+ ~p2_old 1) 0)) (not (= 0 ~mode3)) .cse0) (and (<= ~r1 0) (< 511 ~mode1) .cse0 (= ~mode3 0) (= (+ ~mode2 256) 0)))) [2018-07-23 13:41:52,817 INFO L421 ceAbstractionStarter]: For program point L253(lines 253 259) no Hoare annotation was computed. [2018-07-23 13:41:52,817 INFO L421 ceAbstractionStarter]: For program point L218(lines 211 219) no Hoare annotation was computed. [2018-07-23 13:41:52,817 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 41 305) no Hoare annotation was computed. [2018-07-23 13:41:52,817 INFO L421 ceAbstractionStarter]: For program point L241(lines 232 242) no Hoare annotation was computed. [2018-07-23 13:41:52,817 INFO L421 ceAbstractionStarter]: For program point L200(lines 200 212) no Hoare annotation was computed. [2018-07-23 13:41:52,817 INFO L424 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 41 305) the Hoare annotation is: true [2018-07-23 13:41:52,818 INFO L417 ceAbstractionStarter]: At program point ULTIMATE.startEXIT(lines 41 305) the Hoare annotation is: false [2018-07-23 13:41:52,818 INFO L421 ceAbstractionStarter]: For program point L290(lines 286 291) no Hoare annotation was computed. [2018-07-23 13:41:52,818 INFO L421 ceAbstractionStarter]: For program point L273(lines 268 274) no Hoare annotation was computed. [2018-07-23 13:41:52,818 INFO L421 ceAbstractionStarter]: For program point L195(lines 186 196) no Hoare annotation was computed. [2018-07-23 13:41:52,818 INFO L417 ceAbstractionStarter]: At program point ULTIMATE.startErr0AssertViolationASSERT(line 304) the Hoare annotation is: false [2018-07-23 13:41:52,819 INFO L421 ceAbstractionStarter]: For program point L280(lines 280 287) no Hoare annotation was computed. [2018-07-23 13:41:52,831 INFO L202 PluginConnector]: Adding new model pals_lcr.3.ufo.UNBOUNDED.pals.c_14.bplTransformedIcfg_BEv2_29.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 01:41:52 BoogieIcfgContainer [2018-07-23 13:41:52,832 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 13:41:52,833 INFO L168 Benchmark]: Toolchain (without parser) took 1496.63 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. [2018-07-23 13:41:52,835 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 13:41:52,836 INFO L168 Benchmark]: Boogie Preprocessor took 81.81 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 13:41:52,837 INFO L168 Benchmark]: RCFGBuilder took 803.43 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-07-23 13:41:52,838 INFO L168 Benchmark]: TraceAbstraction took 605.89 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-07-23 13:41:52,842 INFO L336 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 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 81.81 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 803.43 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 605.89 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 304]: 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 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: (((!(0 == assert_~arg) && !(~p2_old + 1 == 0)) && !(0 == ~mode3)) && 0 == ~nomsg + 1) || ((((~r1 <= 0 && 511 < ~mode1) && 0 == ~nomsg + 1) && ~mode3 == 0) && ~mode2 + 256 == 0) - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: ((!(~p2_old + 1 == 0) && !(0 == ~mode3)) && 0 == ~nomsg + 1) && 1 == assert_~arg - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: false - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 18 locations, 1 error locations. SAFE Result, 0.5s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 6 SDtfs, 1 SDslu, 6 SDs, 0 SdLazy, 12 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/2 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: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 9 NumberOfFragments, 64 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 288 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 0/2 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/pals_lcr.3.ufo.UNBOUNDED.pals.c_14.bplTransformedIcfg_BEv2_29.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-07-23_13-41-52-858.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/pals_lcr.3.ufo.UNBOUNDED.pals.c_14.bplTransformedIcfg_BEv2_29.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_13-41-52-858.csv Received shutdown request...