java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/Pdr/AutomizerBpl-nestedInterpolants.epf -i ../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/pals_lcr.3.ufo.BOUNDED-6.pals.c_13.bplTransformedIcfg_BEv2_23.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 08:11:37,177 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 08:11:37,179 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 08:11:37,192 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 08:11:37,192 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 08:11:37,193 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 08:11:37,194 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 08:11:37,196 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 08:11:37,198 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 08:11:37,199 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 08:11:37,200 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 08:11:37,200 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 08:11:37,201 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 08:11:37,202 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 08:11:37,203 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 08:11:37,204 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 08:11:37,205 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 08:11:37,207 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 08:11:37,209 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 08:11:37,210 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 08:11:37,211 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 08:11:37,213 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 08:11:37,215 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 08:11:37,216 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 08:11:37,216 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 08:11:37,217 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 08:11:37,218 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 08:11:37,219 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 08:11:37,219 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 08:11:37,221 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 08:11:37,221 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 08:11:37,222 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-09-26 08:11:37,224 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-nestedInterpolants.epf [2018-09-26 08:11:37,234 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 08:11:37,234 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 08:11:37,239 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 08:11:37,239 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-09-26 08:11:37,239 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 08:11:37,240 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-09-26 08:11:37,240 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-09-26 08:11:37,240 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 08:11:37,288 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 08:11:37,306 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 08:11:37,314 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 08:11:37,315 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 08:11:37,316 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 08:11:37,317 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/pals_lcr.3.ufo.BOUNDED-6.pals.c_13.bplTransformedIcfg_BEv2_23.bpl [2018-09-26 08:11:37,317 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/pals_lcr.3.ufo.BOUNDED-6.pals.c_13.bplTransformedIcfg_BEv2_23.bpl' [2018-09-26 08:11:37,385 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 08:11:37,388 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 08:11:37,389 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 08:11:37,389 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 08:11:37,389 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 08:11:37,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "pals_lcr.3.ufo.BOUNDED-6.pals.c_13.bplTransformedIcfg_BEv2_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:11:37" (1/1) ... [2018-09-26 08:11:37,427 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "pals_lcr.3.ufo.BOUNDED-6.pals.c_13.bplTransformedIcfg_BEv2_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:11:37" (1/1) ... [2018-09-26 08:11:37,436 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 08:11:37,438 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 08:11:37,439 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 08:11:37,439 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 08:11:37,450 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr.3.ufo.BOUNDED-6.pals.c_13.bplTransformedIcfg_BEv2_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:11:37" (1/1) ... [2018-09-26 08:11:37,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr.3.ufo.BOUNDED-6.pals.c_13.bplTransformedIcfg_BEv2_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:11:37" (1/1) ... [2018-09-26 08:11:37,454 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr.3.ufo.BOUNDED-6.pals.c_13.bplTransformedIcfg_BEv2_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:11:37" (1/1) ... [2018-09-26 08:11:37,454 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr.3.ufo.BOUNDED-6.pals.c_13.bplTransformedIcfg_BEv2_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:11:37" (1/1) ... [2018-09-26 08:11:37,473 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr.3.ufo.BOUNDED-6.pals.c_13.bplTransformedIcfg_BEv2_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:11:37" (1/1) ... [2018-09-26 08:11:37,475 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr.3.ufo.BOUNDED-6.pals.c_13.bplTransformedIcfg_BEv2_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:11:37" (1/1) ... [2018-09-26 08:11:37,478 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr.3.ufo.BOUNDED-6.pals.c_13.bplTransformedIcfg_BEv2_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:11:37" (1/1) ... [2018-09-26 08:11:37,482 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 08:11:37,482 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 08:11:37,483 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 08:11:37,483 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 08:11:37,484 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr.3.ufo.BOUNDED-6.pals.c_13.bplTransformedIcfg_BEv2_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:11:37" (1/1) ... [2018-09-26 08:11:37,574 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-09-26 08:11:37,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 08:11:37,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 08:11:38,258 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 08:11:38,259 INFO L202 PluginConnector]: Adding new model pals_lcr.3.ufo.BOUNDED-6.pals.c_13.bplTransformedIcfg_BEv2_23.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:11:38 BoogieIcfgContainer [2018-09-26 08:11:38,259 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 08:11:38,260 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 08:11:38,261 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 08:11:38,264 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 08:11:38,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr.3.ufo.BOUNDED-6.pals.c_13.bplTransformedIcfg_BEv2_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:11:37" (1/2) ... [2018-09-26 08:11:38,266 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@434b6428 and model type pals_lcr.3.ufo.BOUNDED-6.pals.c_13.bplTransformedIcfg_BEv2_23.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 08:11:38, skipping insertion in model container [2018-09-26 08:11:38,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr.3.ufo.BOUNDED-6.pals.c_13.bplTransformedIcfg_BEv2_23.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:11:38" (2/2) ... [2018-09-26 08:11:38,269 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.3.ufo.BOUNDED-6.pals.c_13.bplTransformedIcfg_BEv2_23.bpl [2018-09-26 08:11:38,280 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-09-26 08:11:38,294 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 08:11:38,346 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 08:11:38,346 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 08:11:38,347 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 08:11:38,347 INFO L383 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-09-26 08:11:38,347 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 08:11:38,347 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 08:11:38,347 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 08:11:38,348 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 08:11:38,348 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 08:11:38,363 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-09-26 08:11:38,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 08:11:38,372 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:11:38,373 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-09-26 08:11:38,375 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:11:38,381 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:11:38,381 INFO L82 PathProgramCache]: Analyzing trace with hash 998287, now seen corresponding path program 1 times [2018-09-26 08:11:38,388 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:11:38,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 08:11:38,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 08:11:38,544 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:11:38,545 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-26 08:11:38,549 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-26 08:11:38,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-26 08:11:38,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-26 08:11:38,567 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2018-09-26 08:11:38,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:11:38,643 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-09-26 08:11:38,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-26 08:11:38,645 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2018-09-26 08:11:38,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:11:38,666 INFO L225 Difference]: With dead ends: 10 [2018-09-26 08:11:38,666 INFO L226 Difference]: Without dead ends: 7 [2018-09-26 08:11:38,670 INFO L605 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 [2018-09-26 08:11:38,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-09-26 08:11:38,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-09-26 08:11:38,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-09-26 08:11:38,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-09-26 08:11:38,708 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-09-26 08:11:38,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:11:38,709 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-09-26 08:11:38,709 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-26 08:11:38,709 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-09-26 08:11:38,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 08:11:38,710 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:11:38,710 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-09-26 08:11:38,710 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:11:38,710 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:11:38,711 INFO L82 PathProgramCache]: Analyzing trace with hash 959315175, now seen corresponding path program 1 times [2018-09-26 08:11:38,711 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:11:38,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 08:11:38,787 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 08:11:38,788 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-09-26 08:11:38,788 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2018-09-26 08:11:38,796 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-26 08:11:38,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-26 08:11:38,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-26 08:11:38,797 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 4 states. [2018-09-26 08:11:38,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:11:38,842 INFO L93 Difference]: Finished difference Result 8 states and 8 transitions. [2018-09-26 08:11:38,844 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-26 08:11:38,844 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2018-09-26 08:11:38,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:11:38,845 INFO L225 Difference]: With dead ends: 8 [2018-09-26 08:11:38,845 INFO L226 Difference]: Without dead ends: 0 [2018-09-26 08:11:38,847 INFO L605 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 [2018-09-26 08:11:38,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-26 08:11:38,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-26 08:11:38,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-26 08:11:38,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-26 08:11:38,849 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2018-09-26 08:11:38,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:11:38,849 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-26 08:11:38,849 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-26 08:11:38,850 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-26 08:11:38,850 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-26 08:11:38,856 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-26 08:11:38,891 INFO L426 ceAbstractionStarter]: For program point L225(lines 225 235) no Hoare annotation was computed. [2018-09-26 08:11:38,891 INFO L426 ceAbstractionStarter]: For program point L275(lines 270 276) no Hoare annotation was computed. [2018-09-26 08:11:38,892 INFO L422 ceAbstractionStarter]: At program point L304(lines 171 304) the Hoare annotation is: (or (and (not (= 0 ULTIMATE.start_assert_~arg)) (= ~p3_old ~send3) (<= ~mode1 1) (not (= ~send3 ~nomsg))) (and (<= ~r1 0) (= ~mode1 256) (= ~mode3 0))) [2018-09-26 08:11:38,893 INFO L422 ceAbstractionStarter]: At program point L296(lines 296 305) the Hoare annotation is: (and (not (= 0 ULTIMATE.start_assert_~arg)) (= ~p3_old ~send3) (<= ~mode1 1) (not (= ~send3 ~nomsg))) [2018-09-26 08:11:38,893 INFO L426 ceAbstractionStarter]: For program point L197(lines 188 198) no Hoare annotation was computed. [2018-09-26 08:11:38,893 INFO L426 ceAbstractionStarter]: For program point L292(lines 288 293) no Hoare annotation was computed. [2018-09-26 08:11:38,893 INFO L426 ceAbstractionStarter]: For program point L255(lines 255 262) no Hoare annotation was computed. [2018-09-26 08:11:38,893 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 41 310) the Hoare annotation is: true [2018-09-26 08:11:38,894 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 41 310) no Hoare annotation was computed. [2018-09-26 08:11:38,894 INFO L426 ceAbstractionStarter]: For program point L243(lines 234 244) no Hoare annotation was computed. [2018-09-26 08:11:38,894 INFO L426 ceAbstractionStarter]: For program point L177(lines 177 189) no Hoare annotation was computed. [2018-09-26 08:11:38,894 INFO L426 ceAbstractionStarter]: For program point L202(lines 202 212) no Hoare annotation was computed. [2018-09-26 08:11:38,894 INFO L426 ceAbstractionStarter]: For program point L264(lines 261 271) no Hoare annotation was computed. [2018-09-26 08:11:38,899 INFO L422 ceAbstractionStarter]: At program point ULTIMATE.startEXIT(lines 41 310) the Hoare annotation is: false [2018-09-26 08:11:38,899 INFO L422 ceAbstractionStarter]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 309) the Hoare annotation is: false [2018-09-26 08:11:38,899 INFO L426 ceAbstractionStarter]: For program point L220(lines 211 221) no Hoare annotation was computed. [2018-09-26 08:11:38,900 INFO L426 ceAbstractionStarter]: For program point L282(lines 282 289) no Hoare annotation was computed. [2018-09-26 08:11:38,900 INFO L422 ceAbstractionStarter]: At program point L307(lines 307 308) the Hoare annotation is: false [2018-09-26 08:11:38,924 INFO L202 PluginConnector]: Adding new model pals_lcr.3.ufo.BOUNDED-6.pals.c_13.bplTransformedIcfg_BEv2_23.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.09 08:11:38 BoogieIcfgContainer [2018-09-26 08:11:38,925 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 08:11:38,926 INFO L168 Benchmark]: Toolchain (without parser) took 1540.61 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. [2018-09-26 08:11:38,929 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 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. [2018-09-26 08:11:38,929 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.33 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. [2018-09-26 08:11:38,930 INFO L168 Benchmark]: Boogie Preprocessor took 43.58 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. [2018-09-26 08:11:38,931 INFO L168 Benchmark]: RCFGBuilder took 776.79 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. [2018-09-26 08:11:38,933 INFO L168 Benchmark]: TraceAbstraction took 664.56 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. [2018-09-26 08:11:38,938 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 0.18 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 Procedure Inliner took 48.33 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 43.58 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 776.79 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 664.56 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: 309]: 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: 307]: Loop Invariant Derived loop invariant: false - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: ((!(0 == assert_~arg) && ~p3_old == ~send3) && ~mode1 <= 1) && !(~send3 == ~nomsg) - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: (((!(0 == assert_~arg) && ~p3_old == ~send3) && ~mode1 <= 1) && !(~send3 == ~nomsg)) || ((~r1 <= 0 && ~mode1 == 256) && ~mode3 == 0) - 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, 5 SDs, 0 SdLazy, 10 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 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, 0/0 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 9 NumberOfFragments, 45 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, 191 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 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! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/pals_lcr.3.ufo.BOUNDED-6.pals.c_13.bplTransformedIcfg_BEv2_23.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_08-11-38-954.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/pals_lcr.3.ufo.BOUNDED-6.pals.c_13.bplTransformedIcfg_BEv2_23.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-26_08-11-38-954.csv Received shutdown request...