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-var-start-time.3.1.ufo.UNBOUNDED.pals.c_9.bplTransformedIcfg_BEv2_29.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-935f392 [2018-07-23 13:41:34,460 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 13:41:34,464 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 13:41:34,481 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 13:41:34,481 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 13:41:34,482 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 13:41:34,484 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 13:41:34,487 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 13:41:34,489 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 13:41:34,490 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 13:41:34,498 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 13:41:34,499 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 13:41:34,500 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 13:41:34,501 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 13:41:34,502 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 13:41:34,503 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 13:41:34,504 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 13:41:34,506 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 13:41:34,510 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 13:41:34,513 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 13:41:34,515 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 13:41:34,517 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 13:41:34,520 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 13:41:34,521 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 13:41:34,521 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 13:41:34,524 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 13:41:34,525 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 13:41:34,526 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 13:41:34,528 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 13:41:34,529 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 13:41:34,529 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 13:41:34,530 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 13:41:34,530 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 13:41:34,531 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 13:41:34,533 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 13:41:34,534 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 13:41:34,534 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 13:41:34,548 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 13:41:34,548 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 13:41:34,550 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 13:41:34,550 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-07-23 13:41:34,550 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 13:41:34,550 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-07-23 13:41:34,550 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-23 13:41:34,551 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 13:41:34,595 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 13:41:34,610 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 13:41:34,615 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 13:41:34,617 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-23 13:41:34,618 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-23 13:41:34,618 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c_9.bplTransformedIcfg_BEv2_29.bpl [2018-07-23 13:41:34,619 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c_9.bplTransformedIcfg_BEv2_29.bpl' [2018-07-23 13:41:34,699 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 13:41:34,701 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-07-23 13:41:34,702 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 13:41:34,702 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 13:41:34,703 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 13:41:34,731 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c_9.bplTransformedIcfg_BEv2_29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:41:34" (1/1) ... [2018-07-23 13:41:34,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c_9.bplTransformedIcfg_BEv2_29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:41:34" (1/1) ... [2018-07-23 13:41:34,748 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c_9.bplTransformedIcfg_BEv2_29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:41:34" (1/1) ... [2018-07-23 13:41:34,750 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c_9.bplTransformedIcfg_BEv2_29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:41:34" (1/1) ... [2018-07-23 13:41:34,768 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c_9.bplTransformedIcfg_BEv2_29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:41:34" (1/1) ... [2018-07-23 13:41:34,775 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c_9.bplTransformedIcfg_BEv2_29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:41:34" (1/1) ... [2018-07-23 13:41:34,780 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c_9.bplTransformedIcfg_BEv2_29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:41:34" (1/1) ... [2018-07-23 13:41:34,786 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 13:41:34,790 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 13:41:34,791 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 13:41:34,791 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 13:41:34,792 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c_9.bplTransformedIcfg_BEv2_29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:41:34" (1/1) ... [2018-07-23 13:41:34,888 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-07-23 13:41:34,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 13:41:34,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 13:41:35,540 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 13:41:35,545 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c_9.bplTransformedIcfg_BEv2_29.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:41:35 BoogieIcfgContainer [2018-07-23 13:41:35,545 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 13:41:35,548 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 13:41:35,549 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 13:41:35,554 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 13:41:35,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c_9.bplTransformedIcfg_BEv2_29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:41:34" (1/2) ... [2018-07-23 13:41:35,557 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@612b2c0a and model type pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c_9.bplTransformedIcfg_BEv2_29.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:41:35, skipping insertion in model container [2018-07-23 13:41:35,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c_9.bplTransformedIcfg_BEv2_29.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:41:35" (2/2) ... [2018-07-23 13:41:35,562 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c_9.bplTransformedIcfg_BEv2_29.bpl [2018-07-23 13:41:35,573 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-07-23 13:41:35,584 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 13:41:35,637 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 13:41:35,638 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 13:41:35,638 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 13:41:35,639 INFO L375 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-07-23 13:41:35,639 INFO L376 AbstractCegarLoop]: Backedges is CANONICAL [2018-07-23 13:41:35,639 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 13:41:35,639 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 13:41:35,640 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 13:41:35,640 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 13:41:35,657 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-23 13:41:35,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-23 13:41:35,668 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:35,669 INFO L357 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-23 13:41:35,669 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:35,675 INFO L82 PathProgramCache]: Analyzing trace with hash 990345, now seen corresponding path program 1 times [2018-07-23 13:41:35,681 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:35,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:35,824 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 13:41:35,827 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 13:41:35,827 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 13:41:35,829 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:35,830 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 13:41:35,830 INFO L185 omatonBuilderFactory]: Interpolants [9#true, 10#false, 11#(and (<= ~r1 0) (= ~mode1 0)), 12#(not (= 0 ULTIMATE.start_assert_~arg))] [2018-07-23 13:41:35,830 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 13:41:35,832 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 13:41:35,846 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 13:41:35,846 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-23 13:41:35,849 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2018-07-23 13:41:35,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:35,905 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-07-23 13:41:35,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 13:41:35,907 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2018-07-23 13:41:35,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:35,918 INFO L225 Difference]: With dead ends: 10 [2018-07-23 13:41:35,919 INFO L226 Difference]: Without dead ends: 7 [2018-07-23 13:41:35,922 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 13:41:35,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-07-23 13:41:35,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-07-23 13:41:35,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-23 13:41:35,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-23 13:41:35,958 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-07-23 13:41:35,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:35,959 INFO L471 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-23 13:41:35,959 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 13:41:35,959 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-23 13:41:35,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-23 13:41:35,960 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:35,960 INFO L357 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-07-23 13:41:35,960 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:35,961 INFO L82 PathProgramCache]: Analyzing trace with hash 951799901, now seen corresponding path program 1 times [2018-07-23 13:41:35,961 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:35,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:36,082 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:36,083 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:36,083 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2018-07-23 13:41:36,083 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:36,084 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 13:41:36,084 INFO L185 omatonBuilderFactory]: Interpolants [48#false, 49#(and (= ~mode3 256) (= 0 (+ ~nomsg 1)) (< 511 ~mode2)), 50#(and (<= ~mode3 1) (not (= (+ ~p2_old 1) 0)) (= 0 (+ ~nomsg 1))), 47#true] [2018-07-23 13:41:36,084 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:36,090 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 13:41:36,090 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 13:41:36,091 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-23 13:41:36,091 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 4 states. [2018-07-23 13:41:36,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:36,138 INFO L93 Difference]: Finished difference Result 8 states and 8 transitions. [2018-07-23 13:41:36,139 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 13:41:36,139 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2018-07-23 13:41:36,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:36,140 INFO L225 Difference]: With dead ends: 8 [2018-07-23 13:41:36,140 INFO L226 Difference]: Without dead ends: 0 [2018-07-23 13:41:36,141 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 13:41:36,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-07-23 13:41:36,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-07-23 13:41:36,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-07-23 13:41:36,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-07-23 13:41:36,143 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2018-07-23 13:41:36,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:36,143 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-07-23 13:41:36,143 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 13:41:36,144 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-07-23 13:41:36,144 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-07-23 13:41:36,149 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-07-23 13:41:36,182 INFO L421 ceAbstractionStarter]: For program point L288(lines 288 295) no Hoare annotation was computed. [2018-07-23 13:41:36,182 INFO L421 ceAbstractionStarter]: For program point L243(lines 243 252) no Hoare annotation was computed. [2018-07-23 13:41:36,183 INFO L417 ceAbstractionStarter]: At program point L302(lines 302 308) the Hoare annotation is: (and (not (= 0 ULTIMATE.start_assert_~arg)) (<= ~mode3 1) (not (= (+ ~p2_old 1) 0)) (= 0 (+ ~nomsg 1))) [2018-07-23 13:41:36,183 INFO L417 ceAbstractionStarter]: At program point L307(lines 307 311) the Hoare annotation is: false [2018-07-23 13:41:36,183 INFO L424 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 47 313) the Hoare annotation is: true [2018-07-23 13:41:36,183 INFO L417 ceAbstractionStarter]: At program point ULTIMATE.startEXIT(lines 47 313) the Hoare annotation is: false [2018-07-23 13:41:36,184 INFO L421 ceAbstractionStarter]: For program point L270(lines 270 277) no Hoare annotation was computed. [2018-07-23 13:41:36,184 INFO L421 ceAbstractionStarter]: For program point L196(lines 196 205) no Hoare annotation was computed. [2018-07-23 13:41:36,185 INFO L417 ceAbstractionStarter]: At program point L310(lines 191 310) the Hoare annotation is: (let ((.cse0 (= 0 (+ ~nomsg 1)))) (or (and (<= ~r1 0) (= ~mode3 256) .cse0 (= ~mode1 0) (< 511 ~mode2)) (and (not (= 0 ULTIMATE.start_assert_~arg)) (<= ~mode3 1) (not (= (+ ~p2_old 1) 0)) .cse0))) [2018-07-23 13:41:36,185 INFO L421 ceAbstractionStarter]: For program point L298(lines 294 299) no Hoare annotation was computed. [2018-07-23 13:41:36,186 INFO L421 ceAbstractionStarter]: For program point L238(lines 231 239) no Hoare annotation was computed. [2018-07-23 13:41:36,186 INFO L421 ceAbstractionStarter]: For program point L214(lines 204 215) no Hoare annotation was computed. [2018-07-23 13:41:36,186 INFO L421 ceAbstractionStarter]: For program point L258(lines 251 259) no Hoare annotation was computed. [2018-07-23 13:41:36,186 INFO L421 ceAbstractionStarter]: For program point L219(lines 219 232) no Hoare annotation was computed. [2018-07-23 13:41:36,186 INFO L417 ceAbstractionStarter]: At program point ULTIMATE.startErr0AssertViolationASSERT(line 312) the Hoare annotation is: false [2018-07-23 13:41:36,187 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 47 313) no Hoare annotation was computed. [2018-07-23 13:41:36,187 INFO L421 ceAbstractionStarter]: For program point L281(lines 276 282) no Hoare annotation was computed. [2018-07-23 13:41:36,199 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c_9.bplTransformedIcfg_BEv2_29.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 01:41:36 BoogieIcfgContainer [2018-07-23 13:41:36,200 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 13:41:36,201 INFO L168 Benchmark]: Toolchain (without parser) took 1500.61 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. [2018-07-23 13:41:36,203 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 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 13:41:36,205 INFO L168 Benchmark]: Boogie Preprocessor took 84.56 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 13:41:36,208 INFO L168 Benchmark]: RCFGBuilder took 757.11 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-07-23 13:41:36,209 INFO L168 Benchmark]: TraceAbstraction took 651.58 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 13:41:36,214 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 0.23 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 84.56 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 757.11 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 651.58 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: 312]: 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: 191]: Loop Invariant Derived loop invariant: ((((~r1 <= 0 && ~mode3 == 256) && 0 == ~nomsg + 1) && ~mode1 == 0) && 511 < ~mode2) || (((!(0 == assert_~arg) && ~mode3 <= 1) && !(~p2_old + 1 == 0)) && 0 == ~nomsg + 1) - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: false - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: ((!(0 == assert_~arg) && ~mode3 <= 1) && !(~p2_old + 1 == 0)) && 0 == ~nomsg + 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 17 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, 1/2 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 9 NumberOfFragments, 61 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, 256 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-var-start-time.3.1.ufo.UNBOUNDED.pals.c_9.bplTransformedIcfg_BEv2_29.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-07-23_13-41-36-234.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c_9.bplTransformedIcfg_BEv2_29.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_13-41-36-234.csv Received shutdown request...