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/20170304-DifficultPathPrograms/pals_lcr.5.1.ufo.UNBOUNDED.pals.c_19.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-56c9370 [2018-07-23 15:28:05,845 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 15:28:05,847 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 15:28:05,860 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 15:28:05,861 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 15:28:05,862 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 15:28:05,863 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 15:28:05,865 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 15:28:05,867 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 15:28:05,868 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 15:28:05,869 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 15:28:05,869 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 15:28:05,870 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 15:28:05,871 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 15:28:05,872 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 15:28:05,873 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 15:28:05,874 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 15:28:05,876 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 15:28:05,878 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 15:28:05,879 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 15:28:05,880 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 15:28:05,881 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 15:28:05,884 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 15:28:05,884 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 15:28:05,884 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 15:28:05,885 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 15:28:05,886 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 15:28:05,887 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 15:28:05,888 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 15:28:05,889 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 15:28:05,889 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 15:28:05,890 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-07-23 15:28:05,892 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 15:28:05,906 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 15:28:05,906 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 15:28:05,908 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 15:28:05,908 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-07-23 15:28:05,908 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 15:28:05,908 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-07-23 15:28:05,909 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-23 15:28:05,909 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 15:28:05,967 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 15:28:05,990 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 15:28:05,993 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 15:28:05,994 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-23 15:28:05,995 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-23 15:28:05,996 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr.5.1.ufo.UNBOUNDED.pals.c_19.bpl [2018-07-23 15:28:05,996 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr.5.1.ufo.UNBOUNDED.pals.c_19.bpl' [2018-07-23 15:28:06,075 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 15:28:06,077 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-07-23 15:28:06,078 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 15:28:06,078 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 15:28:06,078 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 15:28:06,105 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr.5.1.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:28:06" (1/1) ... [2018-07-23 15:28:06,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr.5.1.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:28:06" (1/1) ... [2018-07-23 15:28:06,123 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr.5.1.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:28:06" (1/1) ... [2018-07-23 15:28:06,123 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr.5.1.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:28:06" (1/1) ... [2018-07-23 15:28:06,133 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr.5.1.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:28:06" (1/1) ... [2018-07-23 15:28:06,136 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr.5.1.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:28:06" (1/1) ... [2018-07-23 15:28:06,142 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr.5.1.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:28:06" (1/1) ... [2018-07-23 15:28:06,151 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 15:28:06,153 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 15:28:06,153 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 15:28:06,153 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 15:28:06,159 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr.5.1.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:28:06" (1/1) ... [2018-07-23 15:28:06,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 15:28:06,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 15:28:07,210 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 15:28:07,211 INFO L202 PluginConnector]: Adding new model pals_lcr.5.1.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:28:07 BoogieIcfgContainer [2018-07-23 15:28:07,212 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 15:28:07,213 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 15:28:07,214 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 15:28:07,218 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 15:28:07,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr.5.1.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:28:06" (1/2) ... [2018-07-23 15:28:07,220 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7976795c and model type pals_lcr.5.1.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:28:07, skipping insertion in model container [2018-07-23 15:28:07,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr.5.1.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:28:07" (2/2) ... [2018-07-23 15:28:07,224 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.5.1.ufo.UNBOUNDED.pals.c_19.bpl [2018-07-23 15:28:07,236 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-07-23 15:28:07,247 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 15:28:07,305 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 15:28:07,306 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 15:28:07,306 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 15:28:07,306 INFO L375 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-07-23 15:28:07,307 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 15:28:07,307 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 15:28:07,308 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 15:28:07,308 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 15:28:07,308 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 15:28:07,326 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-23 15:28:07,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-23 15:28:07,335 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 15:28:07,337 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-23 15:28:07,338 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 15:28:07,345 INFO L82 PathProgramCache]: Analyzing trace with hash 1009052, now seen corresponding path program 1 times [2018-07-23 15:28:07,352 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 15:28:07,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 15:28:07,578 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 15:28:07,581 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 15:28:07,582 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 15:28:07,587 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 15:28:07,603 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 15:28:07,604 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-23 15:28:07,608 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2018-07-23 15:28:07,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 15:28:07,695 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2018-07-23 15:28:07,695 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 15:28:07,697 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2018-07-23 15:28:07,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 15:28:07,708 INFO L225 Difference]: With dead ends: 11 [2018-07-23 15:28:07,708 INFO L226 Difference]: Without dead ends: 8 [2018-07-23 15:28:07,712 INFO L573 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 15:28:07,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2018-07-23 15:28:07,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2018-07-23 15:28:07,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-23 15:28:07,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-23 15:28:07,755 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-07-23 15:28:07,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 15:28:07,755 INFO L471 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-23 15:28:07,756 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 15:28:07,756 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-23 15:28:07,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-23 15:28:07,757 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 15:28:07,757 INFO L353 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-07-23 15:28:07,757 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 15:28:07,758 INFO L82 PathProgramCache]: Analyzing trace with hash 969782581, now seen corresponding path program 1 times [2018-07-23 15:28:07,758 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 15:28:07,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 15:28:07,865 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 15:28:07,865 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 15:28:07,865 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2018-07-23 15:28:07,868 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 15:28:07,869 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 15:28:07,869 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-23 15:28:07,869 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 4 states. [2018-07-23 15:28:07,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 15:28:07,917 INFO L93 Difference]: Finished difference Result 8 states and 8 transitions. [2018-07-23 15:28:07,919 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 15:28:07,919 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2018-07-23 15:28:07,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 15:28:07,920 INFO L225 Difference]: With dead ends: 8 [2018-07-23 15:28:07,920 INFO L226 Difference]: Without dead ends: 0 [2018-07-23 15:28:07,923 INFO L573 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 15:28:07,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-07-23 15:28:07,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-07-23 15:28:07,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-07-23 15:28:07,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-07-23 15:28:07,926 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2018-07-23 15:28:07,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 15:28:07,927 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-07-23 15:28:07,927 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 15:28:07,927 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-07-23 15:28:07,927 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-07-23 15:28:07,933 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-07-23 15:28:07,992 INFO L421 ceAbstractionStarter]: For program point L342(lines 334 343) no Hoare annotation was computed. [2018-07-23 15:28:07,992 INFO L421 ceAbstractionStarter]: For program point L386(lines 378 387) no Hoare annotation was computed. [2018-07-23 15:28:07,993 INFO L421 ceAbstractionStarter]: For program point L303(lines 303 314) no Hoare annotation was computed. [2018-07-23 15:28:07,993 INFO L421 ceAbstractionStarter]: For program point L347(lines 347 357) no Hoare annotation was computed. [2018-07-23 15:28:07,993 INFO L421 ceAbstractionStarter]: For program point L422(lines 417 423) no Hoare annotation was computed. [2018-07-23 15:28:07,993 INFO L421 ceAbstractionStarter]: For program point L298(lines 290 299) no Hoare annotation was computed. [2018-07-23 15:28:07,994 INFO L421 ceAbstractionStarter]: For program point L411(lines 407 418) no Hoare annotation was computed. [2018-07-23 15:28:07,994 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 81 444) no Hoare annotation was computed. [2018-07-23 15:28:07,994 INFO L421 ceAbstractionStarter]: For program point L320(lines 313 321) no Hoare annotation was computed. [2018-07-23 15:28:07,994 INFO L421 ceAbstractionStarter]: For program point L364(lines 356 365) no Hoare annotation was computed. [2018-07-23 15:28:07,996 INFO L417 ceAbstractionStarter]: At program point L441(lines 272 441) the Hoare annotation is: (or (and (<= 0 ~send1) (= ~mode1 (* 256 (div ~mode1 256))) (= ~mode2 (* 256 (div ~mode2 256))) (<= ~send1 127) (= 0 (+ ~nomsg 1)) (<= ~r1 (* 256 (div ~r1 256)))) (and (not (= ~p1_old ~nomsg)) (<= 1 ~mode2) (<= ~mode2 1))) [2018-07-23 15:28:07,997 INFO L421 ceAbstractionStarter]: For program point L325(lines 325 335) no Hoare annotation was computed. [2018-07-23 15:28:07,997 INFO L421 ceAbstractionStarter]: For program point L369(lines 369 379) no Hoare annotation was computed. [2018-07-23 15:28:07,997 INFO L421 ceAbstractionStarter]: For program point L402(lines 402 408) no Hoare annotation was computed. [2018-07-23 15:28:07,997 INFO L424 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 81 444) the Hoare annotation is: true [2018-07-23 15:28:07,998 INFO L417 ceAbstractionStarter]: At program point ULTIMATE.startEXIT(lines 81 444) the Hoare annotation is: false [2018-07-23 15:28:07,998 INFO L417 ceAbstractionStarter]: At program point L432(lines 432 439) the Hoare annotation is: (and (not (= ~p1_old ~nomsg)) (= ULTIMATE.start_assert_~arg 1) (<= 1 ~mode2) (<= ~mode2 1)) [2018-07-23 15:28:07,998 INFO L421 ceAbstractionStarter]: For program point L279(lines 279 291) no Hoare annotation was computed. [2018-07-23 15:28:07,999 INFO L417 ceAbstractionStarter]: At program point ULTIMATE.startErr0AssertViolationASSERT(line 443) the Hoare annotation is: false [2018-07-23 15:28:07,999 INFO L417 ceAbstractionStarter]: At program point L438(lines 438 442) the Hoare annotation is: false [2018-07-23 15:28:08,013 INFO L202 PluginConnector]: Adding new model pals_lcr.5.1.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 03:28:08 BoogieIcfgContainer [2018-07-23 15:28:08,014 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 15:28:08,015 INFO L168 Benchmark]: Toolchain (without parser) took 1938.64 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: 95.1 MB). Peak memory consumption was 95.1 MB. Max. memory is 7.1 GB. [2018-07-23 15:28:08,019 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. [2018-07-23 15:28:08,020 INFO L168 Benchmark]: Boogie Preprocessor took 73.96 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 15:28:08,023 INFO L168 Benchmark]: RCFGBuilder took 1059.18 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: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. [2018-07-23 15:28:08,024 INFO L168 Benchmark]: TraceAbstraction took 800.34 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. [2018-07-23 15:28:08,030 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 Preprocessor took 73.96 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 1059.18 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: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 800.34 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: 443]: 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: 272]: Loop Invariant Derived loop invariant: (((((0 <= ~send1 && ~mode1 == 256 * (~mode1 / 256)) && ~mode2 == 256 * (~mode2 / 256)) && ~send1 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) || ((!(~p1_old == ~nomsg) && 1 <= ~mode2) && ~mode2 <= 1) - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: ((!(~p1_old == ~nomsg) && assert_~arg == 1) && 1 <= ~mode2) && ~mode2 <= 1 - InvariantResult [Line: 438]: Loop Invariant Derived loop invariant: false - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 20 locations, 1 error locations. SAFE Result, 0.7s 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, 63 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, 307 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.5.1.ufo.UNBOUNDED.pals.c_19.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-07-23_15-28-08-049.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/pals_lcr.5.1.ufo.UNBOUNDED.pals.c_19.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_15-28-08-049.csv Received shutdown request...