java -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/chccomp2018/chcToBoogie_automizer.epf -i /storage/chc-comp/vmt-chc-benchmarks/lustre/ums.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-55b8104 [2018-06-18 17:13:39,343 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-18 17:13:39,345 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-18 17:13:39,356 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-18 17:13:39,357 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-18 17:13:39,358 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-18 17:13:39,359 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-18 17:13:39,361 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-18 17:13:39,363 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-18 17:13:39,364 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-18 17:13:39,365 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-18 17:13:39,365 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-18 17:13:39,366 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-18 17:13:39,367 INFO L177 SettingsManager]: ChcToBoogie provides no preferences, ignoring... [2018-06-18 17:13:39,369 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-18 17:13:39,370 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-18 17:13:39,372 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-18 17:13:39,374 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-18 17:13:39,377 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-18 17:13:39,379 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-18 17:13:39,380 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-18 17:13:39,383 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-18 17:13:39,383 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-18 17:13:39,383 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-18 17:13:39,384 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-18 17:13:39,385 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-18 17:13:39,386 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-18 17:13:39,387 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-18 17:13:39,388 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-18 17:13:39,388 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-18 17:13:39,389 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-18 17:13:39,390 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-18 17:13:39,390 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-18 17:13:39,391 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-18 17:13:39,391 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-18 17:13:39,392 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chccomp2018/chcToBoogie_automizer.epf [2018-06-18 17:13:39,405 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-18 17:13:39,405 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-18 17:13:39,406 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-18 17:13:39,406 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-18 17:13:39,408 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-18 17:13:39,408 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-18 17:13:39,408 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-18 17:13:39,408 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-18 17:13:39,408 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-18 17:13:39,409 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-18 17:13:39,409 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-18 17:13:39,409 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-18 17:13:39,409 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-18 17:13:39,410 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-18 17:13:39,410 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-18 17:13:39,410 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-18 17:13:39,410 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-18 17:13:39,417 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-18 17:13:39,417 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-18 17:13:39,474 INFO ]: Repository-Root is: /tmp [2018-06-18 17:13:39,494 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-18 17:13:39,500 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-18 17:13:39,502 INFO ]: Initializing SmtParser... [2018-06-18 17:13:39,502 INFO ]: SmtParser initialized [2018-06-18 17:13:39,503 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/ums.smt2 [2018-06-18 17:13:39,504 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 [2018-06-18 17:13:39,599 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/ums.smt2 unknown [2018-06-18 17:13:40,147 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/ums.smt2 [2018-06-18 17:13:40,152 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-18 17:13:40,158 INFO ]: Walking toolchain with 4 elements. [2018-06-18 17:13:40,158 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-18 17:13:40,158 INFO ]: Initializing ChcToBoogie... [2018-06-18 17:13:40,158 INFO ]: ChcToBoogie initialized [2018-06-18 17:13:40,165 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 05:13:40" (1/1) ... [2018-06-18 17:13:40,331 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 05:13:40 Unit [2018-06-18 17:13:40,332 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-18 17:13:40,334 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-18 17:13:40,334 INFO ]: Initializing Boogie Preprocessor... [2018-06-18 17:13:40,334 INFO ]: Boogie Preprocessor initialized [2018-06-18 17:13:40,357 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 05:13:40" (1/1) ... [2018-06-18 17:13:40,357 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 05:13:40" (1/1) ... [2018-06-18 17:13:40,386 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 05:13:40" (1/1) ... [2018-06-18 17:13:40,386 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 05:13:40" (1/1) ... [2018-06-18 17:13:40,392 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 05:13:40" (1/1) ... [2018-06-18 17:13:40,394 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 05:13:40" (1/1) ... [2018-06-18 17:13:40,397 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 05:13:40" (1/1) ... [2018-06-18 17:13:40,402 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-18 17:13:40,402 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-18 17:13:40,403 INFO ]: Initializing RCFGBuilder... [2018-06-18 17:13:40,403 INFO ]: RCFGBuilder initialized [2018-06-18 17:13:40,403 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 05:13:40" (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) [2018-06-18 17:13:40,413 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-18 17:13:40,413 INFO ]: Found specification of procedure False [2018-06-18 17:13:40,413 INFO ]: Found implementation of procedure False [2018-06-18 17:13:40,413 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-18 17:13:40,413 INFO ]: Found specification of procedure state [2018-06-18 17:13:40,413 INFO ]: Found implementation of procedure state [2018-06-18 17:13:40,413 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-18 17:13:40,413 INFO ]: Found specification of procedure Ultimate.START [2018-06-18 17:13:40,413 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 [2018-06-18 17:13:40,847 INFO ]: Using library mode [2018-06-18 17:13:40,847 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 05:13:40 BoogieIcfgContainer [2018-06-18 17:13:40,847 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-18 17:13:40,852 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-18 17:13:40,852 INFO ]: Initializing TraceAbstraction... [2018-06-18 17:13:40,858 INFO ]: TraceAbstraction initialized [2018-06-18 17:13:40,859 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 05:13:40" (1/3) ... [2018-06-18 17:13:40,859 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14a3ff98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 18.06 05:13:40, skipping insertion in model container [2018-06-18 17:13:40,860 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 05:13:40" (2/3) ... [2018-06-18 17:13:40,860 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14a3ff98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.06 05:13:40, skipping insertion in model container [2018-06-18 17:13:40,860 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 05:13:40" (3/3) ... [2018-06-18 17:13:40,862 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-18 17:13:40,871 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-18 17:13:40,881 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-18 17:13:40,934 INFO ]: Using default assertion order modulation [2018-06-18 17:13:40,934 INFO ]: Interprodecural is true [2018-06-18 17:13:40,934 INFO ]: Hoare is false [2018-06-18 17:13:40,934 INFO ]: Compute interpolants for FPandBP [2018-06-18 17:13:40,934 INFO ]: Backedges is TWOTRACK [2018-06-18 17:13:40,934 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-18 17:13:40,934 INFO ]: Difference is false [2018-06-18 17:13:40,934 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-18 17:13:40,934 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-18 17:13:40,949 INFO ]: Start isEmpty. Operand 13 states. [2018-06-18 17:13:40,969 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-18 17:13:40,969 INFO ]: Found error trace [2018-06-18 17:13:40,970 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 17:13:40,971 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 17:13:40,976 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-18 17:13:40,978 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 17:13:40,978 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 17:13:41,029 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 17:13:41,029 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 17:13:41,029 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 17:13:41,182 INFO ]: Conjunction of SSA is unsat [2018-06-18 17:13:41,194 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 17:13:41,417 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-18 17:13:41,418 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-18 17:13:41,418 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-18 17:13:41,420 INFO ]: Interpolant automaton has 4 states [2018-06-18 17:13:41,433 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-18 17:13:41,433 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-18 17:13:41,435 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-18 17:13:41,592 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-18 17:13:41,592 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-18 17:13:41,594 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-18 17:13:41,596 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-18 17:13:41,596 INFO ]: Finished accepts. some prefix is accepted. [2018-06-18 17:13:41,607 INFO ]: With dead ends: 13 [2018-06-18 17:13:41,608 INFO ]: Without dead ends: 13 [2018-06-18 17:13:41,609 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 [2018-06-18 17:13:41,627 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-18 17:13:41,663 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-18 17:13:41,664 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-18 17:13:41,665 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-18 17:13:41,666 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-18 17:13:41,667 INFO ]: Finished accepts. word is rejected. [2018-06-18 17:13:41,667 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-18 17:13:41,667 INFO ]: Interpolant automaton has 4 states. [2018-06-18 17:13:41,667 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-18 17:13:41,668 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-18 17:13:41,668 INFO ]: Found error trace [2018-06-18 17:13:41,668 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 17:13:41,668 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 17:13:41,669 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-18 17:13:41,669 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 17:13:41,669 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 17:13:41,670 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 17:13:41,670 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 17:13:41,670 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 17:13:41,740 INFO ]: Conjunction of SSA is unsat [2018-06-18 17:13:41,741 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 17:13:42,071 INFO ]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-18 17:13:42,071 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-18 17:13:42,071 INFO ]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-06-18 17:13:42,073 INFO ]: Interpolant automaton has 6 states [2018-06-18 17:13:42,073 INFO ]: Constructing interpolant automaton starting with 6 interpolants. [2018-06-18 17:13:42,073 INFO ]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-06-18 17:13:42,073 INFO ]: Start difference. First operand 13 states and 14 transitions. Second operand 6 states. [2018-06-18 17:13:42,556 WARN ]: Spent 294.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 12 [2018-06-18 17:13:42,604 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-18 17:13:42,604 INFO ]: Finished difference Result 9 states and 10 transitions. [2018-06-18 17:13:42,605 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-06-18 17:13:42,605 INFO ]: Start accepts. Automaton has 6 states. Word has length 13 [2018-06-18 17:13:42,605 INFO ]: Finished accepts. some prefix is accepted. [2018-06-18 17:13:42,605 INFO ]: With dead ends: 9 [2018-06-18 17:13:42,605 INFO ]: Without dead ends: 0 [2018-06-18 17:13:42,606 INFO ]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-06-18 17:13:42,606 INFO ]: Start minimizeSevpa. Operand 0 states. [2018-06-18 17:13:42,606 INFO ]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-06-18 17:13:42,606 INFO ]: Start removeUnreachable. Operand 0 states. [2018-06-18 17:13:42,606 INFO ]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-06-18 17:13:42,606 INFO ]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2018-06-18 17:13:42,606 INFO ]: Finished accepts. word is rejected. [2018-06-18 17:13:42,606 INFO ]: Abstraction has 0 states and 0 transitions. [2018-06-18 17:13:42,606 INFO ]: Interpolant automaton has 6 states. [2018-06-18 17:13:42,606 INFO ]: Start isEmpty. Operand 0 states and 0 transitions. [2018-06-18 17:13:42,606 INFO ]: Finished isEmpty. No accepting run. [2018-06-18 17:13:42,612 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.06 05:13:42 BoogieIcfgContainer [2018-06-18 17:13:42,613 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-18 17:13:42,616 INFO ]: Toolchain (without parser) took 2464.23 ms. Allocated memory was 308.8 MB in the beginning and 326.1 MB in the end (delta: 17.3 MB). Free memory was 236.2 MB in the beginning and 214.8 MB in the end (delta: 21.5 MB). Peak memory consumption was 38.8 MB. Max. memory is 3.6 GB. [2018-06-18 17:13:42,617 INFO ]: SmtParser took 0.08 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. [2018-06-18 17:13:42,618 INFO ]: ChcToBoogie took 175.63 ms. Allocated memory is still 308.8 MB. Free memory was 235.2 MB in the beginning and 230.3 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 3.6 GB. [2018-06-18 17:13:42,618 INFO ]: Boogie Preprocessor took 67.70 ms. Allocated memory is still 308.8 MB. Free memory was 230.3 MB in the beginning and 228.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-18 17:13:42,619 INFO ]: RCFGBuilder took 444.90 ms. Allocated memory was 308.8 MB in the beginning and 326.1 MB in the end (delta: 17.3 MB). Free memory was 228.3 MB in the beginning and 290.1 MB in the end (delta: -61.8 MB). Peak memory consumption was 46.0 MB. Max. memory is 3.6 GB. [2018-06-18 17:13:42,629 INFO ]: TraceAbstraction took 1760.72 ms. Allocated memory is still 326.1 MB. Free memory was 289.3 MB in the beginning and 214.8 MB in the end (delta: 74.5 MB). Peak memory consumption was 74.5 MB. Max. memory is 3.6 GB. [2018-06-18 17:13:42,631 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.08 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 175.63 ms. Allocated memory is still 308.8 MB. Free memory was 235.2 MB in the beginning and 230.3 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 67.70 ms. Allocated memory is still 308.8 MB. Free memory was 230.3 MB in the beginning and 228.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 444.90 ms. Allocated memory was 308.8 MB in the beginning and 326.1 MB in the end (delta: 17.3 MB). Free memory was 228.3 MB in the beginning and 290.1 MB in the end (delta: -61.8 MB). Peak memory consumption was 46.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 1760.72 ms. Allocated memory is still 326.1 MB. Free memory was 289.3 MB in the beginning and 214.8 MB in the end (delta: 74.5 MB). Peak memory consumption was 74.5 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, 1.6s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 19 SDtfs, 2 SDslu, 26 SDs, 0 SdLazy, 17 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 664 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 3/3 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/ums.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-18_17-13-42-647.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ums.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-18_17-13-42-647.csv Received shutdown request...