java -Xss1g -Xmx4000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCHC.xml --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_No_Goto.epf -i /storage/chc-comp/vmt-chc-benchmarks/lustre/rtp_5_e7_3972.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 19:48:14,809 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 19:48:14,812 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 19:48:14,825 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 19:48:14,825 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 19:48:14,826 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 19:48:14,827 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 19:48:14,832 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 19:48:14,833 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 19:48:14,835 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 19:48:14,836 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 19:48:14,836 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 19:48:14,837 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 19:48:14,841 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 19:48:14,842 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 19:48:14,842 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 19:48:14,852 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 19:48:14,853 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 19:48:14,855 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 19:48:14,855 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 19:48:14,859 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 19:48:14,863 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 19:48:14,863 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 19:48:14,863 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 19:48:14,864 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 19:48:14,865 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 19:48:14,865 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 19:48:14,866 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 19:48:14,870 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 19:48:14,870 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 19:48:14,871 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 19:48:14,871 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 19:48:14,871 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 19:48:14,872 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 19:48:14,873 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 19:48:14,874 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_No_Goto.epf [2018-06-22 19:48:14,892 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 19:48:14,892 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 19:48:14,892 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 19:48:14,893 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 19:48:14,894 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 19:48:14,894 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 19:48:14,894 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 19:48:14,894 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 19:48:14,895 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 19:48:14,895 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 19:48:14,895 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 19:48:14,895 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 19:48:14,895 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 19:48:14,896 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 19:48:14,896 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 19:48:14,896 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 19:48:14,896 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 19:48:14,896 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 19:48:14,896 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 19:48:14,898 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 19:48:14,898 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 19:48:14,935 INFO ]: Repository-Root is: /tmp [2018-06-22 19:48:14,953 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 19:48:14,957 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 19:48:14,959 INFO ]: Initializing SmtParser... [2018-06-22 19:48:14,959 INFO ]: SmtParser initialized [2018-06-22 19:48:14,960 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/rtp_5_e7_3972.smt2 [2018-06-22 19:48:14,961 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 [2018-06-22 19:48:15,059 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/rtp_5_e7_3972.smt2 unknown [2018-06-22 19:48:15,685 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/rtp_5_e7_3972.smt2 [2018-06-22 19:48:15,689 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 19:48:15,696 INFO ]: Walking toolchain with 4 elements. [2018-06-22 19:48:15,696 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 19:48:15,696 INFO ]: Initializing ChcToBoogie... [2018-06-22 19:48:15,696 INFO ]: ChcToBoogie initialized [2018-06-22 19:48:15,700 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 07:48:15" (1/1) ... [2018-06-22 19:48:15,830 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:48:15 Unit [2018-06-22 19:48:15,830 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 19:48:15,831 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 19:48:15,831 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 19:48:15,831 INFO ]: Boogie Preprocessor initialized [2018-06-22 19:48:15,866 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:48:15" (1/1) ... [2018-06-22 19:48:15,866 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:48:15" (1/1) ... [2018-06-22 19:48:15,894 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:48:15" (1/1) ... [2018-06-22 19:48:15,894 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:48:15" (1/1) ... [2018-06-22 19:48:15,912 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:48:15" (1/1) ... [2018-06-22 19:48:15,913 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:48:15" (1/1) ... [2018-06-22 19:48:15,917 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:48:15" (1/1) ... [2018-06-22 19:48:15,931 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 19:48:15,931 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 19:48:15,931 INFO ]: Initializing RCFGBuilder... [2018-06-22 19:48:15,931 INFO ]: RCFGBuilder initialized [2018-06-22 19:48:15,932 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:48:15" (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) [2018-06-22 19:48:15,950 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 19:48:15,951 INFO ]: Found specification of procedure False [2018-06-22 19:48:15,951 INFO ]: Found implementation of procedure False [2018-06-22 19:48:15,951 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 19:48:15,951 INFO ]: Found specification of procedure state [2018-06-22 19:48:15,951 INFO ]: Found implementation of procedure state [2018-06-22 19:48:15,951 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 19:48:15,951 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 19:48:15,951 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 [2018-06-22 19:48:16,406 INFO ]: Using library mode [2018-06-22 19:48:16,406 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 07:48:16 BoogieIcfgContainer [2018-06-22 19:48:16,406 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 19:48:16,409 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 19:48:16,409 INFO ]: Initializing TraceAbstraction... [2018-06-22 19:48:16,412 INFO ]: TraceAbstraction initialized [2018-06-22 19:48:16,413 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 07:48:15" (1/3) ... [2018-06-22 19:48:16,413 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@da1c5f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 07:48:16, skipping insertion in model container [2018-06-22 19:48:16,413 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:48:15" (2/3) ... [2018-06-22 19:48:16,414 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@da1c5f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 07:48:16, skipping insertion in model container [2018-06-22 19:48:16,414 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 07:48:16" (3/3) ... [2018-06-22 19:48:16,416 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 19:48:16,426 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 19:48:16,437 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 19:48:16,486 INFO ]: Using default assertion order modulation [2018-06-22 19:48:16,487 INFO ]: Interprodecural is true [2018-06-22 19:48:16,487 INFO ]: Hoare is false [2018-06-22 19:48:16,487 INFO ]: Compute interpolants for FPandBP [2018-06-22 19:48:16,487 INFO ]: Backedges is TWOTRACK [2018-06-22 19:48:16,487 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 19:48:16,487 INFO ]: Difference is false [2018-06-22 19:48:16,487 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 19:48:16,487 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 19:48:16,505 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 19:48:16,518 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 19:48:16,518 INFO ]: Found error trace [2018-06-22 19:48:16,519 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 19:48:16,519 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 19:48:16,525 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-22 19:48:16,527 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 19:48:16,527 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 19:48:16,577 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 19:48:16,577 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 19:48:16,577 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 19:48:16,706 INFO ]: Conjunction of SSA is unsat [2018-06-22 19:48:16,989 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 19:48:16,991 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 19:48:16,992 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 19:48:16,993 INFO ]: Interpolant automaton has 4 states [2018-06-22 19:48:17,008 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 19:48:17,009 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 19:48:17,012 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 19:48:17,185 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 19:48:17,185 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 19:48:17,187 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 19:48:17,188 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 19:48:17,188 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 19:48:17,204 INFO ]: With dead ends: 13 [2018-06-22 19:48:17,204 INFO ]: Without dead ends: 13 [2018-06-22 19:48:17,205 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 19:48:17,225 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 19:48:17,253 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 19:48:17,254 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 19:48:17,255 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 19:48:17,256 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 19:48:17,256 INFO ]: Finished accepts. word is rejected. [2018-06-22 19:48:17,256 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 19:48:17,256 INFO ]: Interpolant automaton has 4 states. [2018-06-22 19:48:17,256 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 19:48:17,258 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 19:48:17,258 INFO ]: Found error trace [2018-06-22 19:48:17,258 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 19:48:17,258 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 19:48:17,258 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-22 19:48:17,258 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 19:48:17,258 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 19:48:17,259 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 19:48:17,259 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 19:48:17,259 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 19:48:17,381 INFO ]: Conjunction of SSA is unsat [2018-06-22 19:48:18,085 WARN ]: Spent 519.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 25 [2018-06-22 19:48:18,120 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 19:48:18,120 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 19:48:18,120 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 [2018-06-22 19:48:18,128 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 19:48:18,306 INFO ]: Conjunction of SSA is unsat [2018-06-22 19:48:18,320 INFO ]: Computing forward predicates... [2018-06-22 19:48:19,421 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 19:48:19,456 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 19:48:19,456 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2018-06-22 19:48:19,457 INFO ]: Interpolant automaton has 8 states [2018-06-22 19:48:19,457 INFO ]: Constructing interpolant automaton starting with 8 interpolants. [2018-06-22 19:48:19,457 INFO ]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-06-22 19:48:19,457 INFO ]: Start difference. First operand 13 states and 14 transitions. Second operand 8 states. [2018-06-22 19:48:20,120 WARN ]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2018-06-22 19:48:20,342 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 19:48:20,342 INFO ]: Finished difference Result 15 states and 16 transitions. [2018-06-22 19:48:20,342 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-06-22 19:48:20,342 INFO ]: Start accepts. Automaton has 8 states. Word has length 13 [2018-06-22 19:48:20,343 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 19:48:20,343 INFO ]: With dead ends: 15 [2018-06-22 19:48:20,343 INFO ]: Without dead ends: 15 [2018-06-22 19:48:20,344 INFO ]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-06-22 19:48:20,344 INFO ]: Start minimizeSevpa. Operand 15 states. [2018-06-22 19:48:20,347 INFO ]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-06-22 19:48:20,347 INFO ]: Start removeUnreachable. Operand 15 states. [2018-06-22 19:48:20,347 INFO ]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2018-06-22 19:48:20,347 INFO ]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 13 [2018-06-22 19:48:20,347 INFO ]: Finished accepts. word is rejected. [2018-06-22 19:48:20,347 INFO ]: Abstraction has 15 states and 16 transitions. [2018-06-22 19:48:20,347 INFO ]: Interpolant automaton has 8 states. [2018-06-22 19:48:20,348 INFO ]: Start isEmpty. Operand 15 states and 16 transitions. [2018-06-22 19:48:20,348 INFO ]: Finished isEmpty. Found accepting run of length 18 [2018-06-22 19:48:20,348 INFO ]: Found error trace [2018-06-22 19:48:20,348 INFO ]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 19:48:20,348 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 19:48:20,348 INFO ]: Analyzing trace with hash -1649658231, now seen corresponding path program 2 times [2018-06-22 19:48:20,348 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 19:48:20,348 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 19:48:20,349 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 19:48:20,349 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 19:48:20,349 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 19:48:20,449 INFO ]: Conjunction of SSA is unsat [2018-06-22 19:48:20,832 INFO ]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-06-22 19:48:20,832 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 19:48:20,832 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 [2018-06-22 19:48:20,838 INFO ]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-06-22 19:48:21,028 INFO ]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-06-22 19:48:21,029 INFO ]: Conjunction of SSA is unsat [2018-06-22 19:48:21,036 INFO ]: Computing forward predicates... [2018-06-22 19:48:21,848 INFO ]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-06-22 19:48:21,869 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 19:48:21,874 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2018-06-22 19:48:21,874 INFO ]: Interpolant automaton has 12 states [2018-06-22 19:48:21,874 INFO ]: Constructing interpolant automaton starting with 12 interpolants. [2018-06-22 19:48:21,875 INFO ]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2018-06-22 19:48:21,875 INFO ]: Start difference. First operand 15 states and 16 transitions. Second operand 12 states. [2018-06-22 19:48:22,252 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 19:48:22,252 INFO ]: Finished difference Result 17 states and 18 transitions. [2018-06-22 19:48:22,253 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-06-22 19:48:22,253 INFO ]: Start accepts. Automaton has 12 states. Word has length 17 [2018-06-22 19:48:22,254 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 19:48:22,254 INFO ]: With dead ends: 17 [2018-06-22 19:48:22,254 INFO ]: Without dead ends: 17 [2018-06-22 19:48:22,255 INFO ]: 0 DeclaredPredicates, 28 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2018-06-22 19:48:22,255 INFO ]: Start minimizeSevpa. Operand 17 states. [2018-06-22 19:48:22,258 INFO ]: Finished minimizeSevpa. Reduced states from 17 to 17. [2018-06-22 19:48:22,258 INFO ]: Start removeUnreachable. Operand 17 states. [2018-06-22 19:48:22,258 INFO ]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2018-06-22 19:48:22,258 INFO ]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 17 [2018-06-22 19:48:22,258 INFO ]: Finished accepts. word is rejected. [2018-06-22 19:48:22,259 INFO ]: Abstraction has 17 states and 18 transitions. [2018-06-22 19:48:22,259 INFO ]: Interpolant automaton has 12 states. [2018-06-22 19:48:22,259 INFO ]: Start isEmpty. Operand 17 states and 18 transitions. [2018-06-22 19:48:22,259 INFO ]: Finished isEmpty. Found accepting run of length 22 [2018-06-22 19:48:22,259 INFO ]: Found error trace [2018-06-22 19:48:22,259 INFO ]: trace histogram [4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 19:48:22,260 INFO ]: === Iteration 4 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 19:48:22,260 INFO ]: Analyzing trace with hash 2119922091, now seen corresponding path program 3 times [2018-06-22 19:48:22,260 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 19:48:22,260 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 19:48:22,261 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 19:48:22,261 INFO ]: Changing assertion order to NOT_INCREMENTALLY [2018-06-22 19:48:22,261 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 19:48:22,365 INFO ]: Conjunction of SSA is unsat [2018-06-22 19:48:22,932 INFO ]: Checked inductivity of 21 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-06-22 19:48:22,932 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 19:48:22,932 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2018-06-22 19:48:22,948 INFO ]: Keeping assertion order OUTSIDE_LOOP_FIRST2 Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 19:48:23,227 INFO ]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2018-06-22 19:48:23,227 INFO ]: Conjunction of SSA is unsat [2018-06-22 19:48:23,236 INFO ]: Computing forward predicates... [2018-06-22 19:48:24,120 INFO ]: Checked inductivity of 21 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-06-22 19:48:24,148 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 19:48:24,148 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2018-06-22 19:48:24,148 INFO ]: Interpolant automaton has 17 states [2018-06-22 19:48:24,148 INFO ]: Constructing interpolant automaton starting with 17 interpolants. [2018-06-22 19:48:24,149 INFO ]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2018-06-22 19:48:24,149 INFO ]: Start difference. First operand 17 states and 18 transitions. Second operand 17 states. [2018-06-22 19:48:24,443 WARN ]: Spent 226.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 68 [2018-06-22 19:48:24,683 WARN ]: Spent 196.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 37 [2018-06-22 19:48:24,945 WARN ]: Spent 230.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 61 [2018-06-22 19:48:25,228 WARN ]: Spent 254.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 59 [2018-06-22 19:48:25,289 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 19:48:25,289 INFO ]: Finished difference Result 19 states and 20 transitions. [2018-06-22 19:48:25,291 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-06-22 19:48:25,291 INFO ]: Start accepts. Automaton has 17 states. Word has length 21 [2018-06-22 19:48:25,291 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 19:48:25,291 INFO ]: With dead ends: 19 [2018-06-22 19:48:25,291 INFO ]: Without dead ends: 19 [2018-06-22 19:48:25,292 INFO ]: 0 DeclaredPredicates, 35 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=102, Invalid=360, Unknown=0, NotChecked=0, Total=462 [2018-06-22 19:48:25,292 INFO ]: Start minimizeSevpa. Operand 19 states. [2018-06-22 19:48:25,295 INFO ]: Finished minimizeSevpa. Reduced states from 19 to 19. [2018-06-22 19:48:25,295 INFO ]: Start removeUnreachable. Operand 19 states. [2018-06-22 19:48:25,295 INFO ]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2018-06-22 19:48:25,295 INFO ]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 21 [2018-06-22 19:48:25,296 INFO ]: Finished accepts. word is rejected. [2018-06-22 19:48:25,296 INFO ]: Abstraction has 19 states and 20 transitions. [2018-06-22 19:48:25,296 INFO ]: Interpolant automaton has 17 states. [2018-06-22 19:48:25,296 INFO ]: Start isEmpty. Operand 19 states and 20 transitions. [2018-06-22 19:48:25,296 INFO ]: Finished isEmpty. Found accepting run of length 26 [2018-06-22 19:48:25,296 INFO ]: Found error trace [2018-06-22 19:48:25,296 INFO ]: trace histogram [5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 19:48:25,296 INFO ]: === Iteration 5 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 19:48:25,297 INFO ]: Analyzing trace with hash 1762711629, now seen corresponding path program 4 times [2018-06-22 19:48:25,297 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 19:48:25,297 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 19:48:25,297 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 19:48:25,298 INFO ]: Changing assertion order to NOT_INCREMENTALLY [2018-06-22 19:48:25,298 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 19:48:25,414 INFO ]: Conjunction of SSA is unsat [2018-06-22 19:48:26,297 WARN ]: Spent 534.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 24 [2018-06-22 19:48:26,511 WARN ]: Spent 206.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 38 [2018-06-22 19:48:26,801 INFO ]: Checked inductivity of 36 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-06-22 19:48:26,801 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 19:48:26,801 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 19:48:26,808 INFO ]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-06-22 19:48:27,169 INFO ]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-06-22 19:48:27,169 INFO ]: Conjunction of SSA is unsat [2018-06-22 19:48:27,239 INFO ]: Computing forward predicates... [2018-06-22 19:48:28,408 WARN ]: Spent 268.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 36 [2018-06-22 19:48:29,050 WARN ]: Spent 110.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 27 [2018-06-22 19:48:29,092 INFO ]: Checked inductivity of 36 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-06-22 19:48:29,125 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 19:48:29,125 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2018-06-22 19:48:29,125 INFO ]: Interpolant automaton has 20 states [2018-06-22 19:48:29,125 INFO ]: Constructing interpolant automaton starting with 20 interpolants. [2018-06-22 19:48:29,126 INFO ]: CoverageRelationStatistics Valid=43, Invalid=337, Unknown=0, NotChecked=0, Total=380 [2018-06-22 19:48:29,126 INFO ]: Start difference. First operand 19 states and 20 transitions. Second operand 20 states. [2018-06-22 19:48:29,573 WARN ]: Spent 351.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 84 [2018-06-22 19:48:29,806 WARN ]: Spent 169.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 28 [2018-06-22 19:48:30,170 WARN ]: Spent 232.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 48 [2018-06-22 19:48:30,630 WARN ]: Spent 417.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 76 [2018-06-22 19:48:30,957 WARN ]: Spent 257.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 73 [2018-06-22 19:48:30,976 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 19:48:30,976 INFO ]: Finished difference Result 15 states and 16 transitions. [2018-06-22 19:48:30,977 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-06-22 19:48:30,977 INFO ]: Start accepts. Automaton has 20 states. Word has length 25 [2018-06-22 19:48:30,977 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 19:48:30,977 INFO ]: With dead ends: 15 [2018-06-22 19:48:30,977 INFO ]: Without dead ends: 0 [2018-06-22 19:48:30,978 INFO ]: 0 DeclaredPredicates, 42 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=127, Invalid=523, Unknown=0, NotChecked=0, Total=650 [2018-06-22 19:48:30,978 INFO ]: Start minimizeSevpa. Operand 0 states. [2018-06-22 19:48:30,978 INFO ]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-06-22 19:48:30,978 INFO ]: Start removeUnreachable. Operand 0 states. [2018-06-22 19:48:30,978 INFO ]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-06-22 19:48:30,978 INFO ]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2018-06-22 19:48:30,978 INFO ]: Finished accepts. word is rejected. [2018-06-22 19:48:30,978 INFO ]: Abstraction has 0 states and 0 transitions. [2018-06-22 19:48:30,978 INFO ]: Interpolant automaton has 20 states. [2018-06-22 19:48:30,978 INFO ]: Start isEmpty. Operand 0 states and 0 transitions. [2018-06-22 19:48:30,978 INFO ]: Finished isEmpty. No accepting run. [2018-06-22 19:48:30,983 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 07:48:30 BoogieIcfgContainer [2018-06-22 19:48:30,983 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 19:48:30,984 INFO ]: Toolchain (without parser) took 15294.50 ms. Allocated memory was 305.1 MB in the beginning and 521.1 MB in the end (delta: 216.0 MB). Free memory was 231.6 MB in the beginning and 269.3 MB in the end (delta: -37.7 MB). Peak memory consumption was 178.3 MB. Max. memory is 3.6 GB. [2018-06-22 19:48:30,985 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 305.1 MB. Free memory is still 269.6 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 19:48:30,985 INFO ]: ChcToBoogie took 134.41 ms. Allocated memory is still 305.1 MB. Free memory was 231.6 MB in the beginning and 227.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-22 19:48:30,986 INFO ]: Boogie Preprocessor took 99.98 ms. Allocated memory is still 305.1 MB. Free memory was 227.6 MB in the beginning and 225.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 19:48:30,992 INFO ]: RCFGBuilder took 475.05 ms. Allocated memory was 305.1 MB in the beginning and 325.6 MB in the end (delta: 20.4 MB). Free memory was 225.6 MB in the beginning and 296.0 MB in the end (delta: -70.4 MB). Peak memory consumption was 47.3 MB. Max. memory is 3.6 GB. [2018-06-22 19:48:30,992 INFO ]: TraceAbstraction took 14574.20 ms. Allocated memory was 325.6 MB in the beginning and 521.1 MB in the end (delta: 195.6 MB). Free memory was 294.8 MB in the beginning and 269.3 MB in the end (delta: 25.5 MB). Peak memory consumption was 221.0 MB. Max. memory is 3.6 GB. [2018-06-22 19:48:30,994 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.07 ms. Allocated memory is still 305.1 MB. Free memory is still 269.6 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 134.41 ms. Allocated memory is still 305.1 MB. Free memory was 231.6 MB in the beginning and 227.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 99.98 ms. Allocated memory is still 305.1 MB. Free memory was 227.6 MB in the beginning and 225.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 475.05 ms. Allocated memory was 305.1 MB in the beginning and 325.6 MB in the end (delta: 20.4 MB). Free memory was 225.6 MB in the beginning and 296.0 MB in the end (delta: -70.4 MB). Peak memory consumption was 47.3 MB. Max. memory is 3.6 GB. * TraceAbstraction took 14574.20 ms. Allocated memory was 325.6 MB in the beginning and 521.1 MB in the end (delta: 195.6 MB). Free memory was 294.8 MB in the beginning and 269.3 MB in the end (delta: 25.5 MB). Peak memory consumption was 221.0 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 3 procedures, 13 locations, 1 error locations. SAFE Result, 14.5s OverallTime, 5 OverallIterations, 5 TraceHistogramMax, 4.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 52 SDtfs, 78 SDslu, 221 SDs, 0 SdLazy, 193 SolverSat, 107 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 130 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 7.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=4, 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 8.0s InterpolantComputationTime, 161 NumberOfCodeBlocks, 161 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 152 ConstructedInterpolants, 0 QuantifiedInterpolants, 37972 SizeOfPredicates, 133 NumberOfNonLiveVariables, 5498 ConjunctsInSsa, 208 ConjunctsInUnsatCore, 9 InterpolantComputations, 1 PerfectInterpolantSequences, 40/140 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/rtp_5_e7_3972.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_19-48-31-003.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/rtp_5_e7_3972.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_19-48-31-003.csv Received shutdown request...