java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loops/sum03_true-unreach-call_false-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8c3fbe1 [2018-10-22 15:39:27,258 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-22 15:39:27,260 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-22 15:39:27,272 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-22 15:39:27,272 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-22 15:39:27,273 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-22 15:39:27,274 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-22 15:39:27,276 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-22 15:39:27,278 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-22 15:39:27,278 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-22 15:39:27,279 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-22 15:39:27,280 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-22 15:39:27,280 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-22 15:39:27,281 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-22 15:39:27,283 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-22 15:39:27,283 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-22 15:39:27,284 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-22 15:39:27,286 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-22 15:39:27,288 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-22 15:39:27,289 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-22 15:39:27,291 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-22 15:39:27,292 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-22 15:39:27,294 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-22 15:39:27,303 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-10-22 15:39:27,328 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-22 15:39:27,329 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-22 15:39:27,330 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-22 15:39:27,330 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-22 15:39:27,331 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-22 15:39:27,331 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-22 15:39:27,332 INFO L133 SettingsManager]: * Use SBE=true [2018-10-22 15:39:27,332 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-22 15:39:27,332 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-22 15:39:27,332 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-22 15:39:27,333 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-22 15:39:27,333 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-22 15:39:27,333 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-22 15:39:27,333 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-22 15:39:27,333 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-22 15:39:27,334 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-22 15:39:27,335 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-22 15:39:27,335 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-22 15:39:27,335 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-22 15:39:27,335 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-22 15:39:27,336 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-22 15:39:27,336 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-22 15:39:27,336 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-22 15:39:27,336 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-22 15:39:27,336 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-22 15:39:27,337 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-22 15:39:27,337 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-22 15:39:27,337 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-22 15:39:27,386 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-22 15:39:27,399 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-22 15:39:27,403 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-22 15:39:27,404 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-22 15:39:27,405 INFO L276 PluginConnector]: CDTParser initialized [2018-10-22 15:39:27,406 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/loops/sum03_true-unreach-call_false-termination.i [2018-10-22 15:39:27,473 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/ca649f162/723ba77b2f58409282069b29a41e3d6c/FLAGfe04bc1fa [2018-10-22 15:39:27,927 INFO L298 CDTParser]: Found 1 translation units. [2018-10-22 15:39:27,928 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/sum03_true-unreach-call_false-termination.i [2018-10-22 15:39:27,936 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/ca649f162/723ba77b2f58409282069b29a41e3d6c/FLAGfe04bc1fa [2018-10-22 15:39:27,956 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/ca649f162/723ba77b2f58409282069b29a41e3d6c [2018-10-22 15:39:27,968 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-22 15:39:27,970 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-22 15:39:27,972 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-22 15:39:27,973 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-22 15:39:27,976 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-22 15:39:27,977 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 03:39:27" (1/1) ... [2018-10-22 15:39:27,980 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37e64e9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:39:27, skipping insertion in model container [2018-10-22 15:39:27,980 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 03:39:27" (1/1) ... [2018-10-22 15:39:27,990 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-22 15:39:28,009 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-22 15:39:28,189 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-22 15:39:28,193 INFO L189 MainTranslator]: Completed pre-run [2018-10-22 15:39:28,206 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-22 15:39:28,220 INFO L193 MainTranslator]: Completed translation [2018-10-22 15:39:28,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:39:28 WrapperNode [2018-10-22 15:39:28,221 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-22 15:39:28,222 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-22 15:39:28,222 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-22 15:39:28,222 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-22 15:39:28,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:39:28" (1/1) ... [2018-10-22 15:39:28,237 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:39:28" (1/1) ... [2018-10-22 15:39:28,256 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-22 15:39:28,256 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-22 15:39:28,256 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-22 15:39:28,256 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-22 15:39:28,266 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:39:28" (1/1) ... [2018-10-22 15:39:28,267 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:39:28" (1/1) ... [2018-10-22 15:39:28,267 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:39:28" (1/1) ... [2018-10-22 15:39:28,268 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:39:28" (1/1) ... [2018-10-22 15:39:28,269 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:39:28" (1/1) ... [2018-10-22 15:39:28,276 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:39:28" (1/1) ... [2018-10-22 15:39:28,277 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:39:28" (1/1) ... [2018-10-22 15:39:28,278 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-22 15:39:28,279 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-22 15:39:28,279 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-22 15:39:28,279 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-22 15:39:28,280 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:39:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-22 15:39:28,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-22 15:39:28,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-22 15:39:28,614 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-22 15:39:28,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 03:39:28 BoogieIcfgContainer [2018-10-22 15:39:28,615 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-22 15:39:28,616 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-22 15:39:28,616 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-22 15:39:28,624 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-22 15:39:28,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 03:39:27" (1/3) ... [2018-10-22 15:39:28,625 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dcbc9bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 03:39:28, skipping insertion in model container [2018-10-22 15:39:28,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:39:28" (2/3) ... [2018-10-22 15:39:28,625 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dcbc9bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 03:39:28, skipping insertion in model container [2018-10-22 15:39:28,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 03:39:28" (3/3) ... [2018-10-22 15:39:28,627 INFO L112 eAbstractionObserver]: Analyzing ICFG sum03_true-unreach-call_false-termination.i [2018-10-22 15:39:28,635 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-22 15:39:28,642 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-22 15:39:28,657 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-22 15:39:28,689 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-22 15:39:28,690 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-22 15:39:28,690 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-22 15:39:28,690 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-22 15:39:28,690 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-22 15:39:28,690 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-22 15:39:28,690 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-22 15:39:28,690 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-22 15:39:28,690 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-22 15:39:28,703 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2018-10-22 15:39:28,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-22 15:39:28,709 INFO L367 BasicCegarLoop]: Found error trace [2018-10-22 15:39:28,710 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-10-22 15:39:28,712 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-22 15:39:28,718 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-22 15:39:28,718 INFO L82 PathProgramCache]: Analyzing trace with hash 889541483, now seen corresponding path program 1 times [2018-10-22 15:39:28,720 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-22 15:39:28,720 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-22 15:39:28,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:39:28,770 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-22 15:39:28,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:39:28,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-22 15:39:29,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-22 15:39:29,012 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-22 15:39:29,013 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-22 15:39:29,018 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-22 15:39:29,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-22 15:39:29,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-22 15:39:29,037 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 4 states. [2018-10-22 15:39:29,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-22 15:39:29,167 INFO L93 Difference]: Finished difference Result 17 states and 24 transitions. [2018-10-22 15:39:29,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-22 15:39:29,168 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2018-10-22 15:39:29,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-22 15:39:29,176 INFO L225 Difference]: With dead ends: 17 [2018-10-22 15:39:29,176 INFO L226 Difference]: Without dead ends: 0 [2018-10-22 15:39:29,180 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-22 15:39:29,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-22 15:39:29,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-22 15:39:29,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-22 15:39:29,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-22 15:39:29,203 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2018-10-22 15:39:29,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-22 15:39:29,204 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-22 15:39:29,204 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-22 15:39:29,204 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-22 15:39:29,204 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-22 15:39:29,208 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-22 15:39:29,252 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-22 15:39:29,252 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2018-10-22 15:39:29,253 INFO L425 ceAbstractionStarter]: For program point L13-1(lines 13 17) no Hoare annotation was computed. [2018-10-22 15:39:29,253 INFO L421 ceAbstractionStarter]: At program point L13-3(lines 13 17) the Hoare annotation is: (let ((.cse0 (* 2 ULTIMATE.start_main_~x~0))) (and (<= .cse0 ULTIMATE.start_main_~sn~0) (<= ULTIMATE.start_main_~sn~0 .cse0))) [2018-10-22 15:39:29,253 INFO L425 ceAbstractionStarter]: For program point L9(lines 9 18) no Hoare annotation was computed. [2018-10-22 15:39:29,253 INFO L425 ceAbstractionStarter]: For program point L3(lines 3 5) no Hoare annotation was computed. [2018-10-22 15:39:29,254 INFO L421 ceAbstractionStarter]: At program point L3-2(lines 2 7) the Hoare annotation is: (let ((.cse0 (* 2 ULTIMATE.start_main_~x~0))) (and (<= .cse0 ULTIMATE.start_main_~sn~0) (= ULTIMATE.start___VERIFIER_assert_~cond 1) (<= ULTIMATE.start_main_~sn~0 .cse0))) [2018-10-22 15:39:29,254 INFO L425 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-10-22 15:39:29,254 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-10-22 15:39:29,254 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-22 15:39:29,254 INFO L425 ceAbstractionStarter]: For program point L4(line 4) no Hoare annotation was computed. [2018-10-22 15:39:29,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 03:39:29 BoogieIcfgContainer [2018-10-22 15:39:29,271 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-22 15:39:29,272 INFO L168 Benchmark]: Toolchain (without parser) took 1303.02 ms. Allocated memory was 1.6 GB in the beginning and 2.3 GB in the end (delta: 755.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -766.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-10-22 15:39:29,274 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-22 15:39:29,275 INFO L168 Benchmark]: CACSL2BoogieTranslator took 248.87 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-10-22 15:39:29,276 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.23 ms. Allocated memory is still 1.6 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-22 15:39:29,277 INFO L168 Benchmark]: Boogie Preprocessor took 22.35 ms. Allocated memory is still 1.6 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-22 15:39:29,278 INFO L168 Benchmark]: RCFGBuilder took 336.45 ms. Allocated memory was 1.6 GB in the beginning and 2.3 GB in the end (delta: 755.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -806.3 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. [2018-10-22 15:39:29,279 INFO L168 Benchmark]: TraceAbstraction took 654.78 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 29.8 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. [2018-10-22 15:39:29,284 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 248.87 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 34.23 ms. Allocated memory is still 1.6 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 22.35 ms. Allocated memory is still 1.6 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 336.45 ms. Allocated memory was 1.6 GB in the beginning and 2.3 GB in the end (delta: 755.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -806.3 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 654.78 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 29.8 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 2 * x <= sn && sn <= 2 * x - InvariantResult [Line: 2]: Loop Invariant Derived loop invariant: (2 * x <= sn && cond == 1) && sn <= 2 * x - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. SAFE Result, 0.5s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 5 SDtfs, 5 SDslu, 4 SDs, 0 SdLazy, 3 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred 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, 2 LocationsWithAnnotation, 2 PreInvPairs, 5 NumberOfFragments, 25 HoareAnnotationTreeSize, 2 FomulaSimplifications, 15 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 135 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 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! Received shutdown request...