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.6.ufo.UNBOUNDED.pals.c_23.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 13:28:55,134 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 13:28:55,137 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 13:28:55,150 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 13:28:55,150 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 13:28:55,152 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 13:28:55,153 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 13:28:55,155 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 13:28:55,158 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 13:28:55,161 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 13:28:55,162 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 13:28:55,163 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 13:28:55,167 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 13:28:55,168 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 13:28:55,171 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 13:28:55,174 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 13:28:55,176 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 13:28:55,180 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 13:28:55,184 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 13:28:55,189 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 13:28:55,190 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 13:28:55,194 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 13:28:55,199 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 13:28:55,199 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 13:28:55,200 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 13:28:55,204 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 13:28:55,205 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 13:28:55,206 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 13:28:55,209 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 13:28:55,211 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 13:28:55,212 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 13:28:55,214 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-25 13:28:55,214 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-25 13:28:55,214 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-25 13:28:55,216 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-25 13:28:55,217 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-25 13:28:55,218 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-nestedInterpolants.epf [2018-07-25 13:28:55,232 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 13:28:55,232 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 13:28:55,234 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-25 13:28:55,234 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-07-25 13:28:55,234 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 13:28:55,235 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-07-25 13:28:55,235 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-25 13:28:55,235 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 13:28:55,305 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 13:28:55,322 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 13:28:55,328 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 13:28:55,330 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 13:28:55,331 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 13:28:55,332 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl [2018-07-25 13:28:55,332 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl' [2018-07-25 13:28:55,451 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 13:28:55,452 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 13:28:55,453 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 13:28:55,454 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 13:28:55,454 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 13:28:55,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:28:55" (1/1) ... [2018-07-25 13:28:55,499 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:28:55" (1/1) ... [2018-07-25 13:28:55,514 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 13:28:55,515 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 13:28:55,515 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 13:28:55,515 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 13:28:55,526 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:28:55" (1/1) ... [2018-07-25 13:28:55,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:28:55" (1/1) ... [2018-07-25 13:28:55,534 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:28:55" (1/1) ... [2018-07-25 13:28:55,537 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:28:55" (1/1) ... [2018-07-25 13:28:55,557 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:28:55" (1/1) ... [2018-07-25 13:28:55,563 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:28:55" (1/1) ... [2018-07-25 13:28:55,572 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:28:55" (1/1) ... [2018-07-25 13:28:55,583 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 13:28:55,584 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 13:28:55,584 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 13:28:55,584 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 13:28:55,585 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:28:55" (1/1) ... [2018-07-25 13:28:55,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-25 13:28:55,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-25 13:28:56,725 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-25 13:28:56,725 INFO L202 PluginConnector]: Adding new model pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 01:28:56 BoogieIcfgContainer [2018-07-25 13:28:56,726 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 13:28:56,728 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 13:28:56,728 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 13:28:56,732 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 13:28:56,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:28:55" (1/2) ... [2018-07-25 13:28:56,734 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@257ccb19 and model type pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 01:28:56, skipping insertion in model container [2018-07-25 13:28:56,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 01:28:56" (2/2) ... [2018-07-25 13:28:56,738 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl [2018-07-25 13:28:56,749 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-07-25 13:28:56,758 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-25 13:28:56,810 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 13:28:56,811 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 13:28:56,811 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 13:28:56,812 INFO L376 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-07-25 13:28:56,812 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 13:28:56,812 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 13:28:56,812 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 13:28:56,813 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 13:28:56,813 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 13:28:56,829 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-25 13:28:56,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-25 13:28:56,838 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:28:56,839 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-25 13:28:56,840 INFO L415 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:28:56,845 INFO L82 PathProgramCache]: Analyzing trace with hash 1019879, now seen corresponding path program 1 times [2018-07-25 13:28:56,851 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:28:56,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-25 13:28:57,038 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 13:28:57,041 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 13:28:57,042 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-25 13:28:57,049 INFO L451 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-25 13:28:57,065 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-25 13:28:57,065 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-25 13:28:57,068 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2018-07-25 13:28:57,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 13:28:57,178 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2018-07-25 13:28:57,179 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-25 13:28:57,180 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2018-07-25 13:28:57,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 13:28:57,207 INFO L225 Difference]: With dead ends: 11 [2018-07-25 13:28:57,207 INFO L226 Difference]: Without dead ends: 8 [2018-07-25 13:28:57,212 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 13:28:57,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2018-07-25 13:28:57,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2018-07-25 13:28:57,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-25 13:28:57,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-25 13:28:57,256 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-07-25 13:28:57,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 13:28:57,257 INFO L472 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-25 13:28:57,257 INFO L473 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-25 13:28:57,258 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-25 13:28:57,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-25 13:28:57,259 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:28:57,259 INFO L354 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-07-25 13:28:57,260 INFO L415 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:28:57,260 INFO L82 PathProgramCache]: Analyzing trace with hash 980190467, now seen corresponding path program 1 times [2018-07-25 13:28:57,260 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:28:57,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-25 13:28:57,398 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 13:28:57,398 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-25 13:28:57,400 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2018-07-25 13:28:57,403 INFO L451 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-25 13:28:57,405 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-25 13:28:57,405 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-25 13:28:57,406 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 4 states. [2018-07-25 13:28:57,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 13:28:57,441 INFO L93 Difference]: Finished difference Result 8 states and 8 transitions. [2018-07-25 13:28:57,442 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-25 13:28:57,443 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2018-07-25 13:28:57,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 13:28:57,444 INFO L225 Difference]: With dead ends: 8 [2018-07-25 13:28:57,444 INFO L226 Difference]: Without dead ends: 0 [2018-07-25 13:28:57,446 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 13:28:57,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-07-25 13:28:57,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-07-25 13:28:57,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-07-25 13:28:57,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-07-25 13:28:57,448 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2018-07-25 13:28:57,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 13:28:57,449 INFO L472 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-07-25 13:28:57,449 INFO L473 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-25 13:28:57,449 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-07-25 13:28:57,449 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-07-25 13:28:57,456 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-07-25 13:28:57,524 INFO L422 ceAbstractionStarter]: For program point L440(lines 440 450) no Hoare annotation was computed. [2018-07-25 13:28:57,524 INFO L422 ceAbstractionStarter]: For program point L374(lines 374 384) no Hoare annotation was computed. [2018-07-25 13:28:57,524 INFO L422 ceAbstractionStarter]: For program point L457(lines 449 458) no Hoare annotation was computed. [2018-07-25 13:28:57,525 INFO L422 ceAbstractionStarter]: For program point L391(lines 383 392) no Hoare annotation was computed. [2018-07-25 13:28:57,525 INFO L418 ceAbstractionStarter]: At program point L511(lines 511 515) the Hoare annotation is: false [2018-07-25 13:28:57,525 INFO L425 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 96 517) the Hoare annotation is: true [2018-07-25 13:28:57,526 INFO L422 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 96 517) no Hoare annotation was computed. [2018-07-25 13:28:57,526 INFO L418 ceAbstractionStarter]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 516) the Hoare annotation is: false [2018-07-25 13:28:57,526 INFO L422 ceAbstractionStarter]: For program point L495(lines 490 496) no Hoare annotation was computed. [2018-07-25 13:28:57,527 INFO L422 ceAbstractionStarter]: For program point L396(lines 396 406) no Hoare annotation was computed. [2018-07-25 13:28:57,527 INFO L418 ceAbstractionStarter]: At program point ULTIMATE.startEXIT(lines 96 517) the Hoare annotation is: false [2018-07-25 13:28:57,527 INFO L422 ceAbstractionStarter]: For program point L413(lines 405 414) no Hoare annotation was computed. [2018-07-25 13:28:57,527 INFO L422 ceAbstractionStarter]: For program point L347(lines 339 348) no Hoare annotation was computed. [2018-07-25 13:28:57,527 INFO L422 ceAbstractionStarter]: For program point L475(lines 475 481) no Hoare annotation was computed. [2018-07-25 13:28:57,528 INFO L422 ceAbstractionStarter]: For program point L484(lines 480 491) no Hoare annotation was computed. [2018-07-25 13:28:57,528 INFO L422 ceAbstractionStarter]: For program point L418(lines 418 428) no Hoare annotation was computed. [2018-07-25 13:28:57,528 INFO L422 ceAbstractionStarter]: For program point L352(lines 352 362) no Hoare annotation was computed. [2018-07-25 13:28:57,529 INFO L418 ceAbstractionStarter]: At program point L505(lines 505 512) the Hoare annotation is: (and (= ~mode4 1) (= 1 ULTIMATE.start_assert_~arg) (not (= ~p3_old ~nomsg))) [2018-07-25 13:28:57,529 INFO L422 ceAbstractionStarter]: For program point L435(lines 427 436) no Hoare annotation was computed. [2018-07-25 13:28:57,529 INFO L422 ceAbstractionStarter]: For program point L369(lines 361 370) no Hoare annotation was computed. [2018-07-25 13:28:57,529 INFO L422 ceAbstractionStarter]: For program point L328(lines 328 340) no Hoare annotation was computed. [2018-07-25 13:28:57,530 INFO L418 ceAbstractionStarter]: At program point L514(lines 321 514) the Hoare annotation is: (or (and (= ~mode4 1) (not (= ~p3_old ~nomsg))) (and (<= ~send3 127) (= ~mode3 (* 256 (div ~mode3 256))) (= ~mode1 (* 256 (div ~mode1 256))) (= 0 (+ ~nomsg 1)) (<= ~r1 (* 256 (div ~r1 256))) (= ~mode4 (* 256 (div ~mode4 256))) (<= 0 ~send3))) [2018-07-25 13:28:57,547 INFO L202 PluginConnector]: Adding new model pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.07 01:28:57 BoogieIcfgContainer [2018-07-25 13:28:57,547 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-25 13:28:57,548 INFO L168 Benchmark]: Toolchain (without parser) took 2096.72 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 126.8 MB). Peak memory consumption was 126.8 MB. Max. memory is 7.1 GB. [2018-07-25 13:28:57,552 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. [2018-07-25 13:28:57,553 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.07 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 13:28:57,554 INFO L168 Benchmark]: Boogie Preprocessor took 68.44 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. [2018-07-25 13:28:57,556 INFO L168 Benchmark]: RCFGBuilder took 1142.01 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 13:28:57,557 INFO L168 Benchmark]: TraceAbstraction took 818.87 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. [2018-07-25 13:28:57,564 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 Procedure Inliner took 61.07 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 68.44 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 1142.01 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. * TraceAbstraction took 818.87 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 516]: 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: 505]: Loop Invariant Derived loop invariant: (~mode4 == 1 && 1 == assert_~arg) && !(~p3_old == ~nomsg) - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: (~mode4 == 1 && !(~p3_old == ~nomsg)) || ((((((~send3 <= 127 && ~mode3 == 256 * (~mode3 / 256)) && ~mode1 == 256 * (~mode1 / 256)) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && ~mode4 == 256 * (~mode4 / 256)) && 0 <= ~send3) - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: false - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 22 locations, 1 error locations. SAFE Result, 0.7s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 6 SDtfs, 1 SDslu, 5 SDs, 0 SdLazy, 11 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s 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, 64 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.6.ufo.UNBOUNDED.pals.c_23.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-07-25_13-28-57-585.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-25_13-28-57-585.csv Received shutdown request...