java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/programs/toy/nonlinear/InterpolationPaperExampleCandidate01.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-b2fde6a [2018-09-28 10:18:21,076 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-28 10:18:21,078 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-28 10:18:21,095 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-28 10:18:21,095 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-28 10:18:21,096 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-28 10:18:21,098 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-28 10:18:21,100 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-28 10:18:21,101 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-28 10:18:21,102 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-28 10:18:21,106 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-28 10:18:21,106 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-28 10:18:21,107 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-28 10:18:21,108 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-28 10:18:21,109 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-28 10:18:21,112 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-28 10:18:21,113 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-28 10:18:21,115 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-28 10:18:21,122 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-28 10:18:21,124 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-28 10:18:21,125 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-28 10:18:21,129 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-28 10:18:21,134 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-28 10:18:21,134 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-28 10:18:21,135 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-28 10:18:21,135 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-28 10:18:21,137 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-28 10:18:21,138 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-28 10:18:21,140 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-28 10:18:21,141 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-28 10:18:21,142 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-28 10:18:21,143 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-09-28 10:18:21,148 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-28 10:18:21,177 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-28 10:18:21,177 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-28 10:18:21,178 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-28 10:18:21,179 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-28 10:18:21,179 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-28 10:18:21,180 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-28 10:18:21,180 INFO L133 SettingsManager]: * Use SBE=true [2018-09-28 10:18:21,180 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-28 10:18:21,180 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-28 10:18:21,181 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-28 10:18:21,182 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-28 10:18:21,182 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-28 10:18:21,182 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-28 10:18:21,182 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-28 10:18:21,182 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-28 10:18:21,183 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-28 10:18:21,183 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-28 10:18:21,183 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-28 10:18:21,183 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-28 10:18:21,185 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-28 10:18:21,185 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-28 10:18:21,185 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-28 10:18:21,185 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-28 10:18:21,186 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-28 10:18:21,186 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-28 10:18:21,186 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-28 10:18:21,186 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-28 10:18:21,187 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-28 10:18:21,187 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-28 10:18:21,187 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-28 10:18:21,258 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-28 10:18:21,273 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-28 10:18:21,278 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-28 10:18:21,280 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-28 10:18:21,281 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-28 10:18:21,281 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/nonlinear/InterpolationPaperExampleCandidate01.bpl [2018-09-28 10:18:21,282 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/nonlinear/InterpolationPaperExampleCandidate01.bpl' [2018-09-28 10:18:21,329 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-28 10:18:21,332 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-28 10:18:21,333 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-28 10:18:21,333 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-28 10:18:21,333 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-28 10:18:21,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "InterpolationPaperExampleCandidate01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:18:21" (1/1) ... [2018-09-28 10:18:21,368 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "InterpolationPaperExampleCandidate01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:18:21" (1/1) ... [2018-09-28 10:18:21,373 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-28 10:18:21,373 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-28 10:18:21,373 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-28 10:18:21,375 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-28 10:18:21,376 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-28 10:18:21,376 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-28 10:18:21,377 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-28 10:18:21,388 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "InterpolationPaperExampleCandidate01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:18:21" (1/1) ... [2018-09-28 10:18:21,388 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "InterpolationPaperExampleCandidate01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:18:21" (1/1) ... [2018-09-28 10:18:21,389 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "InterpolationPaperExampleCandidate01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:18:21" (1/1) ... [2018-09-28 10:18:21,389 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "InterpolationPaperExampleCandidate01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:18:21" (1/1) ... [2018-09-28 10:18:21,393 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "InterpolationPaperExampleCandidate01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:18:21" (1/1) ... [2018-09-28 10:18:21,399 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "InterpolationPaperExampleCandidate01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:18:21" (1/1) ... [2018-09-28 10:18:21,400 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "InterpolationPaperExampleCandidate01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:18:21" (1/1) ... [2018-09-28 10:18:21,401 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-28 10:18:21,402 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-28 10:18:21,402 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-28 10:18:21,402 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-28 10:18:21,404 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "InterpolationPaperExampleCandidate01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:18:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-28 10:18:21,483 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-09-28 10:18:21,484 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-28 10:18:21,484 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-28 10:18:21,675 INFO L350 CfgBuilder]: Using library mode [2018-09-28 10:18:21,676 INFO L202 PluginConnector]: Adding new model InterpolationPaperExampleCandidate01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.09 10:18:21 BoogieIcfgContainer [2018-09-28 10:18:21,676 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-28 10:18:21,677 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-28 10:18:21,678 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-28 10:18:21,681 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-28 10:18:21,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "InterpolationPaperExampleCandidate01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:18:21" (1/2) ... [2018-09-28 10:18:21,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45e5dac1 and model type InterpolationPaperExampleCandidate01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.09 10:18:21, skipping insertion in model container [2018-09-28 10:18:21,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "InterpolationPaperExampleCandidate01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.09 10:18:21" (2/2) ... [2018-09-28 10:18:21,685 INFO L112 eAbstractionObserver]: Analyzing ICFG InterpolationPaperExampleCandidate01.bpl [2018-09-28 10:18:21,695 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-28 10:18:21,704 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-28 10:18:21,760 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-28 10:18:21,761 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-28 10:18:21,762 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-28 10:18:21,762 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-28 10:18:21,762 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-28 10:18:21,762 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-28 10:18:21,762 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-28 10:18:21,763 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-28 10:18:21,763 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-28 10:18:21,778 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2018-09-28 10:18:21,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-09-28 10:18:21,785 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:18:21,786 INFO L375 BasicCegarLoop]: trace histogram [1, 1] [2018-09-28 10:18:21,787 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:18:21,793 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-28 10:18:21,794 INFO L82 PathProgramCache]: Analyzing trace with hash 967, now seen corresponding path program 1 times [2018-09-28 10:18:21,796 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:18:21,797 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:18:21,855 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:18:21,855 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:18:21,855 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:18:21,877 ERROR L236 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-09-28 10:18:21,878 INFO L259 seRefinementStrategy]: Advancing trace checker [2018-09-28 10:18:21,878 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-09-28 10:18:21,891 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:18:21,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:18:21,907 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-28 10:18:21,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:18:22,019 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-28 10:18:22,020 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-09-28 10:18:22,024 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-28 10:18:22,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-28 10:18:22,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-28 10:18:22,041 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 3 states. [2018-09-28 10:18:22,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:18:22,073 INFO L93 Difference]: Finished difference Result 5 states and 5 transitions. [2018-09-28 10:18:22,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-28 10:18:22,075 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2018-09-28 10:18:22,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:18:22,083 INFO L225 Difference]: With dead ends: 5 [2018-09-28 10:18:22,084 INFO L226 Difference]: Without dead ends: 0 [2018-09-28 10:18:22,087 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-28 10:18:22,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-28 10:18:22,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-28 10:18:22,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-28 10:18:22,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-28 10:18:22,115 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2 [2018-09-28 10:18:22,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:18:22,116 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-28 10:18:22,116 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-28 10:18:22,116 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-28 10:18:22,116 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-28 10:18:22,120 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-28 10:18:22,132 INFO L426 ceAbstractionStarter]: For program point mainENTRY(lines 8 18) no Hoare annotation was computed. [2018-09-28 10:18:22,132 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 8 18) no Hoare annotation was computed. [2018-09-28 10:18:22,132 INFO L422 ceAbstractionStarter]: At program point L13-1(lines 13 16) the Hoare annotation is: (exists ((main_z Int) (main_y Int)) (>= main_x (+ (* main_y main_y) (* main_z main_z)))) [2018-09-28 10:18:22,133 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 8 18) no Hoare annotation was computed. [2018-09-28 10:18:22,133 INFO L426 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONASSERT(line 17) no Hoare annotation was computed. [2018-09-28 10:18:22,140 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_y,QUANTIFIED] [2018-09-28 10:18:22,141 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_y,QUANTIFIED] [2018-09-28 10:18:22,141 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_z,QUANTIFIED] [2018-09-28 10:18:22,142 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_z,QUANTIFIED] [2018-09-28 10:18:22,146 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_y,QUANTIFIED] [2018-09-28 10:18:22,147 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_y,QUANTIFIED] [2018-09-28 10:18:22,147 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_z,QUANTIFIED] [2018-09-28 10:18:22,147 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_z,QUANTIFIED] [2018-09-28 10:18:22,150 INFO L202 PluginConnector]: Adding new model InterpolationPaperExampleCandidate01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.09 10:18:22 BoogieIcfgContainer [2018-09-28 10:18:22,150 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-28 10:18:22,151 INFO L168 Benchmark]: Toolchain (without parser) took 821.45 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: 55.5 MB). Peak memory consumption was 55.5 MB. Max. memory is 7.1 GB. [2018-09-28 10:18:22,154 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-28 10:18:22,156 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.91 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-28 10:18:22,157 INFO L168 Benchmark]: Boogie Preprocessor took 25.39 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-28 10:18:22,157 INFO L168 Benchmark]: RCFGBuilder took 274.40 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-28 10:18:22,159 INFO L168 Benchmark]: TraceAbstraction took 473.11 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: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 7.1 GB. [2018-09-28 10:18:22,164 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 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 42.91 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 25.39 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 274.40 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 473.11 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: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_z,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_z,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_z,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_z,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 17]: 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: 13]: Loop Invariant [2018-09-28 10:18:22,173 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_y,QUANTIFIED] [2018-09-28 10:18:22,173 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_y,QUANTIFIED] [2018-09-28 10:18:22,173 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_z,QUANTIFIED] [2018-09-28 10:18:22,173 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_z,QUANTIFIED] [2018-09-28 10:18:22,174 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_y,QUANTIFIED] [2018-09-28 10:18:22,174 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_y,QUANTIFIED] [2018-09-28 10:18:22,175 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_z,QUANTIFIED] [2018-09-28 10:18:22,175 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_z,QUANTIFIED] Derived loop invariant: (exists main_z : int, main_y : int :: x >= main_y * main_y + main_z * main_z) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 5 locations, 1 error locations. SAFE Result, 0.3s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5occurred in iteration=0, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 10 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 1 ConstructedInterpolants, 1 QuantifiedInterpolants, 10 SizeOfPredicates, 2 NumberOfNonLiveVariables, 6 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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/InterpolationPaperExampleCandidate01.bpl_svcomp-Reach-32bit-Automizer_Default.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-28_10-18-22-181.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/InterpolationPaperExampleCandidate01.bpl_svcomp-Reach-32bit-Automizer_Default.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-28_10-18-22-181.csv Received shutdown request...