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.UNBOUNDED.pals.c_14.bplTransformedIcfg_BEv2_29.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 08:11:39,197 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 08:11:39,200 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 08:11:39,212 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-09-26 08:11:39,245 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-nestedInterpolants.epf [2018-09-26 08:11:39,257 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 08:11:39,258 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 08:11:39,261 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 08:11:39,262 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-09-26 08:11:39,262 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 08:11:39,262 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-09-26 08:11:39,262 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-09-26 08:11:39,263 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 08:11:39,334 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 08:11:39,353 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 08:11:39,361 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 08:11:39,362 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 08:11:39,363 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 08:11:39,364 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/pals_lcr.3.ufo.UNBOUNDED.pals.c_14.bplTransformedIcfg_BEv2_29.bpl [2018-09-26 08:11:39,364 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/pals_lcr.3.ufo.UNBOUNDED.pals.c_14.bplTransformedIcfg_BEv2_29.bpl' [2018-09-26 08:11:39,445 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 08:11:39,448 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 08:11:39,449 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 08:11:39,449 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 08:11:39,449 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 08:11:39,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "pals_lcr.3.ufo.UNBOUNDED.pals.c_14.bplTransformedIcfg_BEv2_29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:11:39" (1/1) ... [2018-09-26 08:11:39,486 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "pals_lcr.3.ufo.UNBOUNDED.pals.c_14.bplTransformedIcfg_BEv2_29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:11:39" (1/1) ... [2018-09-26 08:11:39,498 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 08:11:39,499 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 08:11:39,499 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 08:11:39,499 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 08:11:39,510 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 26.09 08:11:39" (1/1) ... [2018-09-26 08:11:39,511 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 26.09 08:11:39" (1/1) ... [2018-09-26 08:11:39,513 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 26.09 08:11:39" (1/1) ... [2018-09-26 08:11:39,513 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 26.09 08:11:39" (1/1) ... [2018-09-26 08:11:39,520 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 26.09 08:11:39" (1/1) ... [2018-09-26 08:11:39,523 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 26.09 08:11:39" (1/1) ... [2018-09-26 08:11:39,525 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 26.09 08:11:39" (1/1) ... [2018-09-26 08:11:39,528 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 08:11:39,529 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 08:11:39,529 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 08:11:39,529 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 08:11:39,530 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 26.09 08:11:39" (1/1) ... [2018-09-26 08:11:39,628 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-09-26 08:11:39,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 08:11:39,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 08:11:40,403 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 08:11:40,404 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 26.09 08:11:40 BoogieIcfgContainer [2018-09-26 08:11:40,404 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 08:11:40,405 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 08:11:40,406 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 08:11:40,409 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 08:11:40,410 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 26.09 08:11:39" (1/2) ... [2018-09-26 08:11:40,411 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34dc0795 and model type pals_lcr.3.ufo.UNBOUNDED.pals.c_14.bplTransformedIcfg_BEv2_29.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 08:11:40, skipping insertion in model container [2018-09-26 08:11:40,411 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 26.09 08:11:40" (2/2) ... [2018-09-26 08:11:40,414 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.3.ufo.UNBOUNDED.pals.c_14.bplTransformedIcfg_BEv2_29.bpl [2018-09-26 08:11:40,424 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-09-26 08:11:40,433 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 08:11:40,474 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 08:11:40,475 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 08:11:40,475 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 08:11:40,475 INFO L383 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-09-26 08:11:40,475 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 08:11:40,475 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 08:11:40,476 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 08:11:40,476 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 08:11:40,476 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 08:11:40,491 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-09-26 08:11:40,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 08:11:40,500 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:11:40,501 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-09-26 08:11:40,502 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:11:40,508 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:11:40,509 INFO L82 PathProgramCache]: Analyzing trace with hash 998287, now seen corresponding path program 1 times [2018-09-26 08:11:40,515 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:11:40,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 08:11:40,650 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 08:11:40,655 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:11:40,656 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-26 08:11:40,661 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-26 08:11:40,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-26 08:11:40,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-26 08:11:40,680 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2018-09-26 08:11:40,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:11:40,735 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2018-09-26 08:11:40,735 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-26 08:11:40,738 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2018-09-26 08:11:40,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:11:40,761 INFO L225 Difference]: With dead ends: 11 [2018-09-26 08:11:40,762 INFO L226 Difference]: Without dead ends: 8 [2018-09-26 08:11:40,768 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 08:11:40,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2018-09-26 08:11:40,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2018-09-26 08:11:40,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-09-26 08:11:40,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-09-26 08:11:40,808 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-09-26 08:11:40,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:11:40,809 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-09-26 08:11:40,809 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-26 08:11:40,809 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-09-26 08:11:40,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 08:11:40,810 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:11:40,810 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-09-26 08:11:40,811 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:11:40,811 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:11:40,811 INFO L82 PathProgramCache]: Analyzing trace with hash 959315175, now seen corresponding path program 1 times [2018-09-26 08:11:40,811 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:11:40,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 08:11:40,889 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 08:11:40,890 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-09-26 08:11:40,890 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2018-09-26 08:11:40,892 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-26 08:11:40,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-26 08:11:40,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-26 08:11:40,893 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 4 states. [2018-09-26 08:11:40,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:11:40,913 INFO L93 Difference]: Finished difference Result 8 states and 8 transitions. [2018-09-26 08:11:40,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-26 08:11:40,914 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2018-09-26 08:11:40,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:11:40,914 INFO L225 Difference]: With dead ends: 8 [2018-09-26 08:11:40,915 INFO L226 Difference]: Without dead ends: 0 [2018-09-26 08:11:40,916 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 08:11:40,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-26 08:11:40,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-26 08:11:40,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-26 08:11:40,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-26 08:11:40,918 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2018-09-26 08:11:40,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:11:40,918 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-26 08:11:40,918 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-26 08:11:40,918 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-26 08:11:40,919 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-26 08:11:40,926 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-26 08:11:40,974 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 41 305) the Hoare annotation is: true [2018-09-26 08:11:40,974 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 41 305) no Hoare annotation was computed. [2018-09-26 08:11:40,976 INFO L426 ceAbstractionStarter]: For program point L218(lines 211 219) no Hoare annotation was computed. [2018-09-26 08:11:40,976 INFO L426 ceAbstractionStarter]: For program point L280(lines 280 287) no Hoare annotation was computed. [2018-09-26 08:11:40,976 INFO L422 ceAbstractionStarter]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 304) the Hoare annotation is: false [2018-09-26 08:11:40,976 INFO L422 ceAbstractionStarter]: At program point ULTIMATE.startEXIT(lines 41 305) the Hoare annotation is: false [2018-09-26 08:11:40,977 INFO L426 ceAbstractionStarter]: For program point L223(lines 223 233) no Hoare annotation was computed. [2018-09-26 08:11:40,977 INFO L426 ceAbstractionStarter]: For program point L273(lines 268 274) no Hoare annotation was computed. [2018-09-26 08:11:40,977 INFO L426 ceAbstractionStarter]: For program point L174(lines 174 187) no Hoare annotation was computed. [2018-09-26 08:11:40,977 INFO L422 ceAbstractionStarter]: At program point L302(lines 302 303) the Hoare annotation is: false [2018-09-26 08:11:40,979 INFO L422 ceAbstractionStarter]: At program point L294(lines 294 300) the Hoare annotation is: (and (<= 1 ~mode2) (= 0 (+ ~nomsg 1)) (not (= (+ ~p1_old 1) 0)) (= 1 ULTIMATE.start_assert_~arg)) [2018-09-26 08:11:40,979 INFO L426 ceAbstractionStarter]: For program point L195(lines 186 196) no Hoare annotation was computed. [2018-09-26 08:11:40,980 INFO L426 ceAbstractionStarter]: For program point L290(lines 286 291) no Hoare annotation was computed. [2018-09-26 08:11:40,980 INFO L426 ceAbstractionStarter]: For program point L253(lines 253 259) no Hoare annotation was computed. [2018-09-26 08:11:40,980 INFO L426 ceAbstractionStarter]: For program point L241(lines 232 242) no Hoare annotation was computed. [2018-09-26 08:11:40,984 INFO L422 ceAbstractionStarter]: At program point L299(lines 169 299) the Hoare annotation is: (let ((.cse0 (= 0 (+ ~nomsg 1)))) (or (and (<= 1 ~mode2) .cse0 (not (= (+ ~p1_old 1) 0))) (and (<= ~r1 0) (< 511 ~mode1) .cse0 (= (+ ~mode2 256) 0)))) [2018-09-26 08:11:40,984 INFO L426 ceAbstractionStarter]: For program point L200(lines 200 212) no Hoare annotation was computed. [2018-09-26 08:11:40,984 INFO L426 ceAbstractionStarter]: For program point L262(lines 258 269) no Hoare annotation was computed. [2018-09-26 08:11:41,000 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 26.09 08:11:41 BoogieIcfgContainer [2018-09-26 08:11:41,001 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 08:11:41,002 INFO L168 Benchmark]: Toolchain (without parser) took 1556.05 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 08:11:41,004 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. [2018-09-26 08:11:41,005 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.27 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 08:11:41,006 INFO L168 Benchmark]: Boogie Preprocessor took 29.44 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 08:11:41,006 INFO L168 Benchmark]: RCFGBuilder took 875.87 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 08:11:41,007 INFO L168 Benchmark]: TraceAbstraction took 595.39 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 08:11:41,012 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 Procedure Inliner took 49.27 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 29.44 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 875.87 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 595.39 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: ((1 <= ~mode2 && 0 == ~nomsg + 1) && !(~p1_old + 1 == 0)) || (((~r1 <= 0 && 511 < ~mode1) && 0 == ~nomsg + 1) && ~mode2 + 256 == 0) - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: ((1 <= ~mode2 && 0 == ~nomsg + 1) && !(~p1_old + 1 == 0)) && 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, 5 SDs, 0 SdLazy, 11 SolverSat, 0 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, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 9 NumberOfFragments, 55 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, 263 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.UNBOUNDED.pals.c_14.bplTransformedIcfg_BEv2_29.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_08-11-41-030.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_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-26_08-11-41-030.csv Received shutdown request...