java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/Pdr/AutomizerBpl-nestedInterpolants.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c_10.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 13:28:25,357 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 13:28:25,359 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 13:28:25,373 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 13:28:25,373 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 13:28:25,374 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 13:28:25,376 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 13:28:25,377 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 13:28:25,379 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 13:28:25,380 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 13:28:25,381 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 13:28:25,381 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 13:28:25,382 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 13:28:25,383 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 13:28:25,384 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 13:28:25,385 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 13:28:25,386 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 13:28:25,387 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 13:28:25,389 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 13:28:25,391 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 13:28:25,392 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 13:28:25,393 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 13:28:25,396 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 13:28:25,396 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 13:28:25,396 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 13:28:25,397 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 13:28:25,398 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 13:28:25,399 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 13:28:25,400 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 13:28:25,401 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 13:28:25,401 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 13:28:25,402 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-25 13:28:25,402 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-25 13:28:25,403 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-25 13:28:25,404 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-25 13:28:25,404 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-25 13:28:25,405 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-nestedInterpolants.epf [2018-07-25 13:28:25,413 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 13:28:25,413 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 13:28:25,415 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-25 13:28:25,415 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-07-25 13:28:25,415 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 13:28:25,415 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-07-25 13:28:25,416 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-25 13:28:25,416 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 13:28:25,468 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 13:28:25,485 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 13:28:25,492 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 13:28:25,494 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 13:28:25,494 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 13:28:25,495 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c_10.bpl [2018-07-25 13:28:25,495 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c_10.bpl' [2018-07-25 13:28:25,582 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 13:28:25,585 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 13:28:25,586 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 13:28:25,586 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 13:28:25,586 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 13:28:25,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:28:25" (1/1) ... [2018-07-25 13:28:25,624 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:28:25" (1/1) ... [2018-07-25 13:28:25,642 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 13:28:25,643 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 13:28:25,643 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 13:28:25,644 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 13:28:25,654 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:28:25" (1/1) ... [2018-07-25 13:28:25,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:28:25" (1/1) ... [2018-07-25 13:28:25,659 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:28:25" (1/1) ... [2018-07-25 13:28:25,659 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:28:25" (1/1) ... [2018-07-25 13:28:25,677 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:28:25" (1/1) ... [2018-07-25 13:28:25,685 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:28:25" (1/1) ... [2018-07-25 13:28:25,688 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:28:25" (1/1) ... [2018-07-25 13:28:25,697 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 13:28:25,697 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 13:28:25,698 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 13:28:25,698 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 13:28:25,701 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:28:25" (1/1) ... [2018-07-25 13:28:25,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-25 13:28:25,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-25 13:28:26,517 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-25 13:28:26,518 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 01:28:26 BoogieIcfgContainer [2018-07-25 13:28:26,518 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 13:28:26,519 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 13:28:26,520 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 13:28:26,523 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 13:28:26,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:28:25" (1/2) ... [2018-07-25 13:28:26,525 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65fb6e82 and model type pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 01:28:26, skipping insertion in model container [2018-07-25 13:28:26,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 01:28:26" (2/2) ... [2018-07-25 13:28:26,527 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c_10.bpl [2018-07-25 13:28:26,539 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-07-25 13:28:26,546 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-25 13:28:26,587 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 13:28:26,588 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 13:28:26,589 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 13:28:26,589 INFO L376 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-07-25 13:28:26,589 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 13:28:26,589 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 13:28:26,589 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 13:28:26,590 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 13:28:26,590 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 13:28:26,604 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-25 13:28:26,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-25 13:28:26,612 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:28:26,613 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-25 13:28:26,614 INFO L415 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:28:26,620 INFO L82 PathProgramCache]: Analyzing trace with hash 990345, now seen corresponding path program 1 times [2018-07-25 13:28:26,626 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:28:26,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-25 13:28:26,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-25 13:28:26,800 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 13:28:26,801 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-25 13:28:26,805 INFO L451 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-25 13:28:26,819 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-25 13:28:26,820 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-25 13:28:26,822 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2018-07-25 13:28:26,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 13:28:26,908 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2018-07-25 13:28:26,909 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-25 13:28:26,910 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2018-07-25 13:28:26,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 13:28:26,921 INFO L225 Difference]: With dead ends: 11 [2018-07-25 13:28:26,921 INFO L226 Difference]: Without dead ends: 8 [2018-07-25 13:28:26,927 INFO L574 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 [2018-07-25 13:28:26,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2018-07-25 13:28:26,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2018-07-25 13:28:26,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-25 13:28:26,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-25 13:28:26,966 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-07-25 13:28:26,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 13:28:26,967 INFO L472 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-25 13:28:26,967 INFO L473 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-25 13:28:26,967 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-25 13:28:26,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-25 13:28:26,968 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:28:26,968 INFO L354 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-07-25 13:28:26,968 INFO L415 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:28:26,969 INFO L82 PathProgramCache]: Analyzing trace with hash 951799901, now seen corresponding path program 1 times [2018-07-25 13:28:26,969 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:28:27,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-25 13:28:27,101 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-25 13:28:27,101 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-25 13:28:27,102 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2018-07-25 13:28:27,104 INFO L451 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-25 13:28:27,104 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-25 13:28:27,105 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-25 13:28:27,105 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 4 states. [2018-07-25 13:28:27,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 13:28:27,126 INFO L93 Difference]: Finished difference Result 8 states and 8 transitions. [2018-07-25 13:28:27,127 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-25 13:28:27,127 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2018-07-25 13:28:27,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 13:28:27,128 INFO L225 Difference]: With dead ends: 8 [2018-07-25 13:28:27,128 INFO L226 Difference]: Without dead ends: 0 [2018-07-25 13:28:27,130 INFO L574 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 [2018-07-25 13:28:27,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-07-25 13:28:27,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-07-25 13:28:27,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-07-25 13:28:27,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-07-25 13:28:27,131 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2018-07-25 13:28:27,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 13:28:27,131 INFO L472 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-07-25 13:28:27,132 INFO L473 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-25 13:28:27,132 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-07-25 13:28:27,132 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-07-25 13:28:27,137 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-07-25 13:28:27,185 INFO L418 ceAbstractionStarter]: At program point ULTIMATE.startEXIT(lines 74 387) the Hoare annotation is: false [2018-07-25 13:28:27,186 INFO L422 ceAbstractionStarter]: For program point L320(lines 314 321) no Hoare annotation was computed. [2018-07-25 13:28:27,187 INFO L418 ceAbstractionStarter]: At program point L384(lines 253 384) the Hoare annotation is: (or (and (not (= ~p1_old ~nomsg)) (= ~mode2 1)) (and (<= 0 ~send1) (= ~mode1 (* 256 (div ~mode1 256))) (= ~mode2 (* 256 (div ~mode2 256))) (<= ~send1 127) (= 0 (+ ~nomsg 1)) (<= ~r1 (* 256 (div ~r1 256))))) [2018-07-25 13:28:27,187 INFO L422 ceAbstractionStarter]: For program point L285(lines 285 295) no Hoare annotation was computed. [2018-07-25 13:28:27,187 INFO L418 ceAbstractionStarter]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 386) the Hoare annotation is: false [2018-07-25 13:28:27,188 INFO L422 ceAbstractionStarter]: For program point L300(lines 294 301) no Hoare annotation was computed. [2018-07-25 13:28:27,188 INFO L422 ceAbstractionStarter]: For program point L325(lines 325 335) no Hoare annotation was computed. [2018-07-25 13:28:27,188 INFO L422 ceAbstractionStarter]: For program point L354(lines 354 361) no Hoare annotation was computed. [2018-07-25 13:28:27,189 INFO L425 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 74 387) the Hoare annotation is: true [2018-07-25 13:28:27,189 INFO L418 ceAbstractionStarter]: At program point L381(lines 381 385) the Hoare annotation is: false [2018-07-25 13:28:27,189 INFO L422 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 74 387) no Hoare annotation was computed. [2018-07-25 13:28:27,189 INFO L422 ceAbstractionStarter]: For program point L280(lines 271 281) no Hoare annotation was computed. [2018-07-25 13:28:27,190 INFO L418 ceAbstractionStarter]: At program point L375(lines 375 382) the Hoare annotation is: (and (not (= ~p1_old ~nomsg)) (= ULTIMATE.start_assert_~arg 1) (= ~mode2 1)) [2018-07-25 13:28:27,190 INFO L422 ceAbstractionStarter]: For program point L340(lines 334 341) no Hoare annotation was computed. [2018-07-25 13:28:27,190 INFO L422 ceAbstractionStarter]: For program point L305(lines 305 315) no Hoare annotation was computed. [2018-07-25 13:28:27,190 INFO L422 ceAbstractionStarter]: For program point L365(lines 360 366) no Hoare annotation was computed. [2018-07-25 13:28:27,191 INFO L422 ceAbstractionStarter]: For program point L260(lines 260 272) no Hoare annotation was computed. [2018-07-25 13:28:27,206 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.07 01:28:27 BoogieIcfgContainer [2018-07-25 13:28:27,206 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-25 13:28:27,209 INFO L168 Benchmark]: Toolchain (without parser) took 1624.92 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: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. [2018-07-25 13:28:27,211 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. [2018-07-25 13:28:27,212 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.18 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. [2018-07-25 13:28:27,214 INFO L168 Benchmark]: Boogie Preprocessor took 53.85 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. [2018-07-25 13:28:27,217 INFO L168 Benchmark]: RCFGBuilder took 820.78 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. [2018-07-25 13:28:27,218 INFO L168 Benchmark]: TraceAbstraction took 686.66 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-07-25 13:28:27,225 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 57.18 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 Preprocessor took 53.85 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 820.78 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 686.66 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 386]: 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: 381]: Loop Invariant Derived loop invariant: false - InvariantResult [Line: 375]: Loop Invariant Derived loop invariant: (!(~p1_old == ~nomsg) && assert_~arg == 1) && ~mode2 == 1 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: (!(~p1_old == ~nomsg) && ~mode2 == 1) || (((((0 <= ~send1 && ~mode1 == 256 * (~mode1 / 256)) && ~mode2 == 256 * (~mode2 / 256)) && ~send1 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 17 locations, 1 error locations. SAFE Result, 0.6s 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, 57 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 277 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.4.1.ufo.UNBOUNDED.pals.c_10.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-07-25_13-28-27-242.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c_10.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-25_13-28-27-242.csv Received shutdown request...