java -Xss4m -Xmx4000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCHC_wBE.xml --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf -i /storage/chc-comp/eldarica-misc/LIA/reve/007b-horn.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-14921ce [2018-06-24 21:00:14,245 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-24 21:00:14,247 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-24 21:00:14,258 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-24 21:00:14,258 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-24 21:00:14,259 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-24 21:00:14,260 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-24 21:00:14,262 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-24 21:00:14,263 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-24 21:00:14,264 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-24 21:00:14,265 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-24 21:00:14,265 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-24 21:00:14,266 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-24 21:00:14,267 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-24 21:00:14,268 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-24 21:00:14,268 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-24 21:00:14,270 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-24 21:00:14,272 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-24 21:00:14,273 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-24 21:00:14,274 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-24 21:00:14,275 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-24 21:00:14,278 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-24 21:00:14,278 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-24 21:00:14,278 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-24 21:00:14,279 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-24 21:00:14,280 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-24 21:00:14,281 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-24 21:00:14,282 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-24 21:00:14,283 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-24 21:00:14,283 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-24 21:00:14,284 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-24 21:00:14,284 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-24 21:00:14,284 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-24 21:00:14,285 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-24 21:00:14,286 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-24 21:00:14,286 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-24 21:00:14,300 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-24 21:00:14,300 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-24 21:00:14,301 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-24 21:00:14,301 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-24 21:00:14,302 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-24 21:00:14,302 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-24 21:00:14,302 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-24 21:00:14,302 INFO L133 SettingsManager]: * Use SBE=true [2018-06-24 21:00:14,303 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-24 21:00:14,303 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-24 21:00:14,303 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-24 21:00:14,303 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-24 21:00:14,304 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-24 21:00:14,304 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-24 21:00:14,304 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-24 21:00:14,304 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-24 21:00:14,304 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-24 21:00:14,305 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-24 21:00:14,305 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-24 21:00:14,305 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-24 21:00:14,305 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-24 21:00:14,306 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-24 21:00:14,307 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-24 21:00:14,348 INFO ]: Repository-Root is: /tmp [2018-06-24 21:00:14,369 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-24 21:00:14,376 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-24 21:00:14,378 INFO ]: Initializing SmtParser... [2018-06-24 21:00:14,378 INFO ]: SmtParser initialized [2018-06-24 21:00:14,379 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/eldarica-misc/LIA/reve/007b-horn.smt2 [2018-06-24 21:00:14,380 INFO ]: Parsing .smt2 file as a set of Horn Clauses No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-06-24 21:00:14,471 INFO ]: Executing SMT file /storage/chc-comp/eldarica-misc/LIA/reve/007b-horn.smt2 unknown [2018-06-24 21:00:14,648 INFO ]: Succesfully executed SMT file /storage/chc-comp/eldarica-misc/LIA/reve/007b-horn.smt2 [2018-06-24 21:00:14,652 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-24 21:00:14,658 INFO ]: Walking toolchain with 5 elements. [2018-06-24 21:00:14,658 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-24 21:00:14,658 INFO ]: Initializing ChcToBoogie... [2018-06-24 21:00:14,658 INFO ]: ChcToBoogie initialized [2018-06-24 21:00:14,662 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 24.06 09:00:14" (1/1) ... [2018-06-24 21:00:14,717 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:00:14 Unit [2018-06-24 21:00:14,718 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-24 21:00:14,718 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-24 21:00:14,718 INFO ]: Initializing Boogie Preprocessor... [2018-06-24 21:00:14,718 INFO ]: Boogie Preprocessor initialized [2018-06-24 21:00:14,741 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:00:14" (1/1) ... [2018-06-24 21:00:14,742 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:00:14" (1/1) ... [2018-06-24 21:00:14,747 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:00:14" (1/1) ... [2018-06-24 21:00:14,747 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:00:14" (1/1) ... [2018-06-24 21:00:14,750 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:00:14" (1/1) ... [2018-06-24 21:00:14,751 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:00:14" (1/1) ... [2018-06-24 21:00:14,753 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:00:14" (1/1) ... [2018-06-24 21:00:14,754 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-24 21:00:14,755 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-24 21:00:14,755 INFO ]: Initializing RCFGBuilder... [2018-06-24 21:00:14,755 INFO ]: RCFGBuilder initialized [2018-06-24 21:00:14,759 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:00:14" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2018-06-24 21:00:14,770 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-24 21:00:14,770 INFO ]: Found specification of procedure gotoProc [2018-06-24 21:00:14,770 INFO ]: Found implementation of procedure gotoProc [2018-06-24 21:00:14,770 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-24 21:00:14,770 INFO ]: Found specification of procedure Ultimate.START [2018-06-24 21:00:14,770 INFO ]: Found implementation of procedure Ultimate.START Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-24 21:00:15,008 INFO ]: Using library mode [2018-06-24 21:00:15,009 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.06 09:00:15 BoogieIcfgContainer [2018-06-24 21:00:15,009 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-24 21:00:15,009 INFO ]: ------------------------BlockEncodingV2---------------------------- [2018-06-24 21:00:15,010 INFO ]: Initializing BlockEncodingV2... [2018-06-24 21:00:15,011 INFO ]: BlockEncodingV2 initialized [2018-06-24 21:00:15,011 INFO ]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.06 09:00:15" (1/1) ... [2018-06-24 21:00:15,026 INFO ]: Initial Icfg 10 locations, 12 edges [2018-06-24 21:00:15,027 INFO ]: Using Remove infeasible edges [2018-06-24 21:00:15,028 INFO ]: Using Maximize final states [2018-06-24 21:00:15,028 INFO ]: Using Minimize states even if more edges are added than removed.=false [2018-06-24 21:00:15,028 INFO ]: Using Minimize states using LBE with the strategy=MULTI [2018-06-24 21:00:15,031 INFO ]: Using Remove sink states [2018-06-24 21:00:15,032 INFO ]: Using Apply optimizations until nothing changes=true [2018-06-24 21:00:15,032 INFO ]: Using Use SBE [2018-06-24 21:00:15,040 INFO ]: SBE split 0 edges [2018-06-24 21:00:15,048 INFO ]: Removed 2 edges and 2 locations because of local infeasibility [2018-06-24 21:00:15,049 INFO ]: 0 new accepting states [2018-06-24 21:00:15,088 INFO ]: Removed 4 edges and 2 locations by large block encoding [2018-06-24 21:00:15,089 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-24 21:00:15,094 INFO ]: Removed 0 edges and 0 locations because of local infeasibility [2018-06-24 21:00:15,094 INFO ]: 0 new accepting states [2018-06-24 21:00:15,094 INFO ]: Removed 0 edges and 0 locations by large block encoding [2018-06-24 21:00:15,095 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-24 21:00:15,095 INFO ]: Encoded RCFG 6 locations, 8 edges [2018-06-24 21:00:15,095 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 24.06 09:00:15 BasicIcfg [2018-06-24 21:00:15,095 INFO ]: ------------------------ END BlockEncodingV2---------------------------- [2018-06-24 21:00:15,099 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-24 21:00:15,099 INFO ]: Initializing TraceAbstraction... [2018-06-24 21:00:15,102 INFO ]: TraceAbstraction initialized [2018-06-24 21:00:15,103 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 24.06 09:00:14" (1/4) ... [2018-06-24 21:00:15,104 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bc83d4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 24.06 09:00:15, skipping insertion in model container [2018-06-24 21:00:15,104 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:00:14" (2/4) ... [2018-06-24 21:00:15,104 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bc83d4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.06 09:00:15, skipping insertion in model container [2018-06-24 21:00:15,104 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.06 09:00:15" (3/4) ... [2018-06-24 21:00:15,104 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bc83d4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.06 09:00:15, skipping insertion in model container [2018-06-24 21:00:15,104 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 24.06 09:00:15" (4/4) ... [2018-06-24 21:00:15,106 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver_BEv2 [2018-06-24 21:00:15,115 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-24 21:00:15,124 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-24 21:00:15,165 INFO ]: Using default assertion order modulation [2018-06-24 21:00:15,165 INFO ]: Interprodecural is true [2018-06-24 21:00:15,165 INFO ]: Hoare is false [2018-06-24 21:00:15,165 INFO ]: Compute interpolants for FPandBP [2018-06-24 21:00:15,165 INFO ]: Backedges is TWOTRACK [2018-06-24 21:00:15,165 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-24 21:00:15,165 INFO ]: Difference is false [2018-06-24 21:00:15,165 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-24 21:00:15,165 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-24 21:00:15,174 INFO ]: Start isEmpty. Operand 6 states. [2018-06-24 21:00:15,183 INFO ]: Finished isEmpty. Found accepting run of length 6 [2018-06-24 21:00:15,183 INFO ]: Found error trace [2018-06-24 21:00:15,184 INFO ]: trace histogram [1, 1, 1, 1, 1] [2018-06-24 21:00:15,184 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-24 21:00:15,190 INFO ]: Analyzing trace with hash 37311172, now seen corresponding path program 1 times [2018-06-24 21:00:15,192 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-24 21:00:15,192 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-24 21:00:15,222 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 21:00:15,222 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-24 21:00:15,222 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 21:00:15,273 INFO ]: Conjunction of SSA is unsat [2018-06-24 21:00:15,345 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-24 21:00:15,346 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-24 21:00:15,346 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-24 21:00:15,348 INFO ]: Interpolant automaton has 3 states [2018-06-24 21:00:15,359 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-24 21:00:15,359 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-24 21:00:15,361 INFO ]: Start difference. First operand 6 states. Second operand 3 states. [2018-06-24 21:00:15,472 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-24 21:00:15,472 INFO ]: Finished difference Result 7 states and 11 transitions. [2018-06-24 21:00:15,473 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-24 21:00:15,474 INFO ]: Start accepts. Automaton has 3 states. Word has length 5 [2018-06-24 21:00:15,474 INFO ]: Finished accepts. some prefix is accepted. [2018-06-24 21:00:15,482 INFO ]: With dead ends: 7 [2018-06-24 21:00:15,482 INFO ]: Without dead ends: 7 [2018-06-24 21:00:15,484 INFO ]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-24 21:00:15,496 INFO ]: Start minimizeSevpa. Operand 7 states. [2018-06-24 21:00:15,524 INFO ]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-06-24 21:00:15,525 INFO ]: Start removeUnreachable. Operand 7 states. [2018-06-24 21:00:15,525 INFO ]: Finished removeUnreachable. Reduced from 7 states to 7 states and 11 transitions. [2018-06-24 21:00:15,526 INFO ]: Start accepts. Automaton has 7 states and 11 transitions. Word has length 5 [2018-06-24 21:00:15,526 INFO ]: Finished accepts. word is rejected. [2018-06-24 21:00:15,526 INFO ]: Abstraction has 7 states and 11 transitions. [2018-06-24 21:00:15,526 INFO ]: Interpolant automaton has 3 states. [2018-06-24 21:00:15,527 INFO ]: Start isEmpty. Operand 7 states and 11 transitions. [2018-06-24 21:00:15,527 INFO ]: Finished isEmpty. Found accepting run of length 7 [2018-06-24 21:00:15,527 INFO ]: Found error trace [2018-06-24 21:00:15,527 INFO ]: trace histogram [1, 1, 1, 1, 1, 1] [2018-06-24 21:00:15,527 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-24 21:00:15,527 INFO ]: Analyzing trace with hash 1156320714, now seen corresponding path program 1 times [2018-06-24 21:00:15,527 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-24 21:00:15,527 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-24 21:00:15,530 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 21:00:15,530 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-24 21:00:15,530 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 21:00:15,551 INFO ]: Conjunction of SSA is unsat [2018-06-24 21:00:15,631 INFO ]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-24 21:00:15,631 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-24 21:00:15,631 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-24 21:00:15,632 INFO ]: Interpolant automaton has 3 states [2018-06-24 21:00:15,633 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-24 21:00:15,633 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-24 21:00:15,633 INFO ]: Start difference. First operand 7 states and 11 transitions. Second operand 3 states. [2018-06-24 21:00:15,752 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-24 21:00:15,752 INFO ]: Finished difference Result 9 states and 17 transitions. [2018-06-24 21:00:15,753 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-24 21:00:15,753 INFO ]: Start accepts. Automaton has 3 states. Word has length 6 [2018-06-24 21:00:15,753 INFO ]: Finished accepts. some prefix is accepted. [2018-06-24 21:00:15,754 INFO ]: With dead ends: 9 [2018-06-24 21:00:15,754 INFO ]: Without dead ends: 9 [2018-06-24 21:00:15,755 INFO ]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-24 21:00:15,755 INFO ]: Start minimizeSevpa. Operand 9 states. [2018-06-24 21:00:15,756 INFO ]: Finished minimizeSevpa. Reduced states from 9 to 7. [2018-06-24 21:00:15,756 INFO ]: Start removeUnreachable. Operand 7 states. [2018-06-24 21:00:15,756 INFO ]: Finished removeUnreachable. Reduced from 7 states to 7 states and 11 transitions. [2018-06-24 21:00:15,756 INFO ]: Start accepts. Automaton has 7 states and 11 transitions. Word has length 6 [2018-06-24 21:00:15,756 INFO ]: Finished accepts. word is rejected. [2018-06-24 21:00:15,756 INFO ]: Abstraction has 7 states and 11 transitions. [2018-06-24 21:00:15,756 INFO ]: Interpolant automaton has 3 states. [2018-06-24 21:00:15,756 INFO ]: Start isEmpty. Operand 7 states and 11 transitions. [2018-06-24 21:00:15,756 INFO ]: Finished isEmpty. Found accepting run of length 7 [2018-06-24 21:00:15,756 INFO ]: Found error trace [2018-06-24 21:00:15,757 INFO ]: trace histogram [1, 1, 1, 1, 1, 1] [2018-06-24 21:00:15,757 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-24 21:00:15,757 INFO ]: Analyzing trace with hash 1156350505, now seen corresponding path program 1 times [2018-06-24 21:00:15,757 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-24 21:00:15,757 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-24 21:00:15,757 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 21:00:15,758 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-24 21:00:15,758 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 21:00:15,792 INFO ]: Conjunction of SSA is unsat [2018-06-24 21:00:15,862 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-24 21:00:15,862 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-24 21:00:15,862 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-24 21:00:15,875 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-24 21:00:15,922 INFO ]: Conjunction of SSA is unsat [2018-06-24 21:00:15,931 INFO ]: Computing forward predicates... [2018-06-24 21:00:15,953 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-24 21:00:15,974 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-24 21:00:15,974 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-06-24 21:00:15,975 INFO ]: Interpolant automaton has 4 states [2018-06-24 21:00:15,975 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-24 21:00:15,975 INFO ]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-06-24 21:00:15,975 INFO ]: Start difference. First operand 7 states and 11 transitions. Second operand 4 states. [2018-06-24 21:00:16,116 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-24 21:00:16,116 INFO ]: Finished difference Result 10 states and 20 transitions. [2018-06-24 21:00:16,117 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-24 21:00:16,117 INFO ]: Start accepts. Automaton has 4 states. Word has length 6 [2018-06-24 21:00:16,117 INFO ]: Finished accepts. some prefix is accepted. [2018-06-24 21:00:16,118 INFO ]: With dead ends: 10 [2018-06-24 21:00:16,118 INFO ]: Without dead ends: 10 [2018-06-24 21:00:16,118 INFO ]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-06-24 21:00:16,118 INFO ]: Start minimizeSevpa. Operand 10 states. [2018-06-24 21:00:16,119 INFO ]: Finished minimizeSevpa. Reduced states from 10 to 8. [2018-06-24 21:00:16,119 INFO ]: Start removeUnreachable. Operand 8 states. [2018-06-24 21:00:16,120 INFO ]: Finished removeUnreachable. Reduced from 8 states to 8 states and 14 transitions. [2018-06-24 21:00:16,120 INFO ]: Start accepts. Automaton has 8 states and 14 transitions. Word has length 6 [2018-06-24 21:00:16,120 INFO ]: Finished accepts. word is rejected. [2018-06-24 21:00:16,120 INFO ]: Abstraction has 8 states and 14 transitions. [2018-06-24 21:00:16,120 INFO ]: Interpolant automaton has 4 states. [2018-06-24 21:00:16,120 INFO ]: Start isEmpty. Operand 8 states and 14 transitions. [2018-06-24 21:00:16,120 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-24 21:00:16,120 INFO ]: Found error trace [2018-06-24 21:00:16,120 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-06-24 21:00:16,120 INFO ]: === Iteration 4 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-24 21:00:16,120 INFO ]: Analyzing trace with hash 1485907939, now seen corresponding path program 1 times [2018-06-24 21:00:16,120 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-24 21:00:16,121 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-24 21:00:16,123 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 21:00:16,123 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-24 21:00:16,123 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 21:00:16,155 INFO ]: Conjunction of SSA is unsat [2018-06-24 21:00:16,204 INFO ]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-24 21:00:16,204 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-24 21:00:16,204 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-24 21:00:16,212 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-24 21:00:16,277 INFO ]: Conjunction of SSA is unsat [2018-06-24 21:00:16,279 INFO ]: Computing forward predicates... [2018-06-24 21:00:16,286 INFO ]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-24 21:00:16,318 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-24 21:00:16,318 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-06-24 21:00:16,318 INFO ]: Interpolant automaton has 4 states [2018-06-24 21:00:16,319 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-24 21:00:16,319 INFO ]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-06-24 21:00:16,319 INFO ]: Start difference. First operand 8 states and 14 transitions. Second operand 4 states. [2018-06-24 21:00:16,432 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-24 21:00:16,432 INFO ]: Finished difference Result 13 states and 29 transitions. [2018-06-24 21:00:16,432 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-24 21:00:16,432 INFO ]: Start accepts. Automaton has 4 states. Word has length 7 [2018-06-24 21:00:16,432 INFO ]: Finished accepts. some prefix is accepted. [2018-06-24 21:00:16,433 INFO ]: With dead ends: 13 [2018-06-24 21:00:16,433 INFO ]: Without dead ends: 13 [2018-06-24 21:00:16,433 INFO ]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-06-24 21:00:16,433 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-24 21:00:16,434 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 8. [2018-06-24 21:00:16,434 INFO ]: Start removeUnreachable. Operand 8 states. [2018-06-24 21:00:16,435 INFO ]: Finished removeUnreachable. Reduced from 8 states to 8 states and 14 transitions. [2018-06-24 21:00:16,435 INFO ]: Start accepts. Automaton has 8 states and 14 transitions. Word has length 7 [2018-06-24 21:00:16,435 INFO ]: Finished accepts. word is rejected. [2018-06-24 21:00:16,435 INFO ]: Abstraction has 8 states and 14 transitions. [2018-06-24 21:00:16,435 INFO ]: Interpolant automaton has 4 states. [2018-06-24 21:00:16,435 INFO ]: Start isEmpty. Operand 8 states and 14 transitions. [2018-06-24 21:00:16,435 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-24 21:00:16,435 INFO ]: Found error trace [2018-06-24 21:00:16,435 INFO ]: trace histogram [2, 1, 1, 1, 1, 1] [2018-06-24 21:00:16,436 INFO ]: === Iteration 5 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-24 21:00:16,436 INFO ]: Analyzing trace with hash 1486831460, now seen corresponding path program 2 times [2018-06-24 21:00:16,436 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-24 21:00:16,436 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-24 21:00:16,436 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 21:00:16,436 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-24 21:00:16,437 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 21:00:16,453 INFO ]: Conjunction of SSA is unsat [2018-06-24 21:00:16,536 INFO ]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-06-24 21:00:16,536 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-24 21:00:16,536 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-24 21:00:16,536 INFO ]: Interpolant automaton has 3 states [2018-06-24 21:00:16,536 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-24 21:00:16,536 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-24 21:00:16,536 INFO ]: Start difference. First operand 8 states and 14 transitions. Second operand 3 states. [2018-06-24 21:00:16,562 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-24 21:00:16,562 INFO ]: Finished difference Result 5 states and 11 transitions. [2018-06-24 21:00:16,562 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-24 21:00:16,562 INFO ]: Start accepts. Automaton has 3 states. Word has length 7 [2018-06-24 21:00:16,563 INFO ]: Finished accepts. some prefix is accepted. [2018-06-24 21:00:16,563 INFO ]: With dead ends: 5 [2018-06-24 21:00:16,563 INFO ]: Without dead ends: 0 [2018-06-24 21:00:16,563 INFO ]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-24 21:00:16,563 INFO ]: Start minimizeSevpa. Operand 0 states. [2018-06-24 21:00:16,563 INFO ]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-06-24 21:00:16,563 INFO ]: Start removeUnreachable. Operand 0 states. [2018-06-24 21:00:16,563 INFO ]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-06-24 21:00:16,563 INFO ]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2018-06-24 21:00:16,563 INFO ]: Finished accepts. word is rejected. [2018-06-24 21:00:16,563 INFO ]: Abstraction has 0 states and 0 transitions. [2018-06-24 21:00:16,563 INFO ]: Interpolant automaton has 3 states. [2018-06-24 21:00:16,563 INFO ]: Start isEmpty. Operand 0 states and 0 transitions. [2018-06-24 21:00:16,563 INFO ]: Finished isEmpty. No accepting run. [2018-06-24 21:00:16,566 INFO ]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-06-24 21:00:16,567 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.06 09:00:16 BasicIcfg [2018-06-24 21:00:16,567 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-24 21:00:16,568 INFO ]: Toolchain (without parser) took 1915.79 ms. Allocated memory is still 308.8 MB. Free memory was 265.2 MB in the beginning and 200.7 MB in the end (delta: 64.5 MB). Peak memory consumption was 64.5 MB. Max. memory is 3.6 GB. [2018-06-24 21:00:16,570 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 308.8 MB. Free memory is still 274.3 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-24 21:00:16,570 INFO ]: ChcToBoogie took 59.74 ms. Allocated memory is still 308.8 MB. Free memory was 264.2 MB in the beginning and 262.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-24 21:00:16,571 INFO ]: Boogie Preprocessor took 36.04 ms. Allocated memory is still 308.8 MB. Free memory was 262.2 MB in the beginning and 261.2 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. [2018-06-24 21:00:16,571 INFO ]: RCFGBuilder took 254.17 ms. Allocated memory is still 308.8 MB. Free memory was 261.2 MB in the beginning and 252.2 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 3.6 GB. [2018-06-24 21:00:16,572 INFO ]: BlockEncodingV2 took 85.81 ms. Allocated memory is still 308.8 MB. Free memory was 252.2 MB in the beginning and 249.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-24 21:00:16,573 INFO ]: TraceAbstraction took 1468.30 ms. Allocated memory is still 308.8 MB. Free memory was 249.2 MB in the beginning and 200.7 MB in the end (delta: 48.6 MB). Peak memory consumption was 48.6 MB. Max. memory is 3.6 GB. [2018-06-24 21:00:16,576 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 10 locations, 12 edges - StatisticsResult: Encoded RCFG 6 locations, 8 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.07 ms. Allocated memory is still 308.8 MB. Free memory is still 274.3 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 59.74 ms. Allocated memory is still 308.8 MB. Free memory was 264.2 MB in the beginning and 262.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 36.04 ms. Allocated memory is still 308.8 MB. Free memory was 262.2 MB in the beginning and 261.2 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. * RCFGBuilder took 254.17 ms. Allocated memory is still 308.8 MB. Free memory was 261.2 MB in the beginning and 252.2 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 3.6 GB. * BlockEncodingV2 took 85.81 ms. Allocated memory is still 308.8 MB. Free memory was 252.2 MB in the beginning and 249.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 1468.30 ms. Allocated memory is still 308.8 MB. Free memory was 249.2 MB in the beginning and 200.7 MB in the end (delta: 48.6 MB). Peak memory consumption was 48.6 MB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [UNKNOWN] : 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 6 locations, 1 error locations. SAFE Result, 1.4s OverallTime, 5 OverallIterations, 2 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 22 SDtfs, 0 SDslu, 16 SDs, 0 SdLazy, 32 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=3, 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, 5 MinimizatonAttempts, 9 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 37 ConstructedInterpolants, 0 QuantifiedInterpolants, 485 SizeOfPredicates, 2 NumberOfNonLiveVariables, 230 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 8/12 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/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/007b-horn.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-0-2018-06-24_21-00-16-589.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/007b-horn.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-1-2018-06-24_21-00-16-589.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/007b-horn.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-Benchmark-0-2018-06-24_21-00-16-589.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/007b-horn.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-24_21-00-16-589.csv Received shutdown request...