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_Goto.epf -i /storage/chc-comp/vmt-chc-benchmarks/lustre/rtp_2.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 09:40:38,891 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 09:40:38,893 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 09:40:38,906 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 09:40:38,907 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 09:40:38,908 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 09:40:38,909 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 09:40:38,914 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 09:40:38,916 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 09:40:38,920 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 09:40:38,921 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 09:40:38,921 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 09:40:38,922 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 09:40:38,926 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 09:40:38,927 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 09:40:38,928 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 09:40:38,938 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 09:40:38,940 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 09:40:38,942 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 09:40:38,943 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 09:40:38,944 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 09:40:38,946 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 09:40:38,947 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 09:40:38,947 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 09:40:38,948 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 09:40:38,949 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 09:40:38,949 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 09:40:38,950 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 09:40:38,951 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 09:40:38,951 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 09:40:38,952 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 09:40:38,952 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 09:40:38,953 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 09:40:38,953 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 09:40:38,954 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 09:40:38,954 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-22 09:40:38,968 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 09:40:38,969 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 09:40:38,969 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 09:40:38,969 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 09:40:38,970 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 09:40:38,970 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 09:40:38,971 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 09:40:38,971 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 09:40:38,971 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 09:40:38,971 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 09:40:38,972 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 09:40:38,972 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 09:40:38,972 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 09:40:38,972 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 09:40:38,972 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 09:40:38,972 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 09:40:38,973 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 09:40:38,974 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 09:40:38,974 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 09:40:39,031 INFO ]: Repository-Root is: /tmp [2018-06-22 09:40:39,046 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 09:40:39,052 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 09:40:39,053 INFO ]: Initializing SmtParser... [2018-06-22 09:40:39,053 INFO ]: SmtParser initialized [2018-06-22 09:40:39,054 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/rtp_2.smt2 [2018-06-22 09:40:39,055 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 09:40:39,150 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/rtp_2.smt2 unknown [2018-06-22 09:40:39,797 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/rtp_2.smt2 [2018-06-22 09:40:39,801 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 09:40:39,809 INFO ]: Walking toolchain with 4 elements. [2018-06-22 09:40:39,810 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 09:40:39,810 INFO ]: Initializing ChcToBoogie... [2018-06-22 09:40:39,810 INFO ]: ChcToBoogie initialized [2018-06-22 09:40:39,813 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 09:40:39" (1/1) ... [2018-06-22 09:40:39,930 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 09:40:39 Unit [2018-06-22 09:40:39,930 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 09:40:39,930 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 09:40:39,930 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 09:40:39,930 INFO ]: Boogie Preprocessor initialized [2018-06-22 09:40:39,951 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 09:40:39" (1/1) ... [2018-06-22 09:40:39,951 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 09:40:39" (1/1) ... [2018-06-22 09:40:39,978 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 09:40:39" (1/1) ... [2018-06-22 09:40:39,978 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 09:40:39" (1/1) ... [2018-06-22 09:40:39,997 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 09:40:39" (1/1) ... [2018-06-22 09:40:39,999 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 09:40:39" (1/1) ... [2018-06-22 09:40:40,005 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 09:40:39" (1/1) ... [2018-06-22 09:40:40,011 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 09:40:40,012 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 09:40:40,012 INFO ]: Initializing RCFGBuilder... [2018-06-22 09:40:40,012 INFO ]: RCFGBuilder initialized [2018-06-22 09:40:40,013 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 09:40:39" (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 09:40:40,027 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-22 09:40:40,027 INFO ]: Found specification of procedure gotoProc [2018-06-22 09:40:40,027 INFO ]: Found implementation of procedure gotoProc [2018-06-22 09:40:40,027 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 09:40:40,027 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 09:40:40,027 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 09:40:40,592 INFO ]: Using library mode [2018-06-22 09:40:40,593 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 09:40:40 BoogieIcfgContainer [2018-06-22 09:40:40,593 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 09:40:40,598 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 09:40:40,598 INFO ]: Initializing TraceAbstraction... [2018-06-22 09:40:40,601 INFO ]: TraceAbstraction initialized [2018-06-22 09:40:40,601 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 09:40:39" (1/3) ... [2018-06-22 09:40:40,602 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2722b995 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 09:40:40, skipping insertion in model container [2018-06-22 09:40:40,602 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 09:40:39" (2/3) ... [2018-06-22 09:40:40,602 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2722b995 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 09:40:40, skipping insertion in model container [2018-06-22 09:40:40,602 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 09:40:40" (3/3) ... [2018-06-22 09:40:40,604 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 09:40:40,616 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 09:40:40,627 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 09:40:40,686 INFO ]: Using default assertion order modulation [2018-06-22 09:40:40,687 INFO ]: Interprodecural is true [2018-06-22 09:40:40,687 INFO ]: Hoare is false [2018-06-22 09:40:40,687 INFO ]: Compute interpolants for FPandBP [2018-06-22 09:40:40,687 INFO ]: Backedges is TWOTRACK [2018-06-22 09:40:40,687 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 09:40:40,687 INFO ]: Difference is false [2018-06-22 09:40:40,687 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 09:40:40,687 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 09:40:40,704 INFO ]: Start isEmpty. Operand 10 states. [2018-06-22 09:40:40,721 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-22 09:40:40,721 INFO ]: Found error trace [2018-06-22 09:40:40,724 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-06-22 09:40:40,724 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 09:40:40,730 INFO ]: Analyzing trace with hash 1284994894, now seen corresponding path program 1 times [2018-06-22 09:40:40,732 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 09:40:40,733 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 09:40:40,781 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 09:40:40,781 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 09:40:40,781 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 09:40:40,945 INFO ]: Conjunction of SSA is unsat [2018-06-22 09:40:41,188 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 09:40:41,189 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 09:40:41,189 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-22 09:40:41,191 INFO ]: Interpolant automaton has 3 states [2018-06-22 09:40:41,201 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-22 09:40:41,202 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-22 09:40:41,206 INFO ]: Start difference. First operand 10 states. Second operand 3 states. [2018-06-22 09:40:41,307 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 09:40:41,310 INFO ]: Finished difference Result 9 states and 9 transitions. [2018-06-22 09:40:41,310 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-22 09:40:41,312 INFO ]: Start accepts. Automaton has 3 states. Word has length 7 [2018-06-22 09:40:41,312 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 09:40:41,322 INFO ]: With dead ends: 9 [2018-06-22 09:40:41,322 INFO ]: Without dead ends: 9 [2018-06-22 09:40:41,324 INFO ]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-22 09:40:41,339 INFO ]: Start minimizeSevpa. Operand 9 states. [2018-06-22 09:40:41,368 INFO ]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-06-22 09:40:41,369 INFO ]: Start removeUnreachable. Operand 9 states. [2018-06-22 09:40:41,372 INFO ]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-06-22 09:40:41,373 INFO ]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2018-06-22 09:40:41,373 INFO ]: Finished accepts. word is rejected. [2018-06-22 09:40:41,373 INFO ]: Abstraction has 9 states and 9 transitions. [2018-06-22 09:40:41,373 INFO ]: Interpolant automaton has 3 states. [2018-06-22 09:40:41,374 INFO ]: Start isEmpty. Operand 9 states and 9 transitions. [2018-06-22 09:40:41,374 INFO ]: Finished isEmpty. Found accepting run of length 9 [2018-06-22 09:40:41,374 INFO ]: Found error trace [2018-06-22 09:40:41,374 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 09:40:41,374 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 09:40:41,374 INFO ]: Analyzing trace with hash 1180964567, now seen corresponding path program 1 times [2018-06-22 09:40:41,374 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 09:40:41,374 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 09:40:41,376 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 09:40:41,376 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 09:40:41,376 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 09:40:41,519 INFO ]: Conjunction of SSA is unsat [2018-06-22 09:40:41,812 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 09:40:41,812 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 09:40:41,937 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 09:40:41,944 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 09:40:42,159 INFO ]: Conjunction of SSA is unsat [2018-06-22 09:40:42,175 INFO ]: Computing forward predicates... [2018-06-22 09:40:42,485 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 09:40:42,508 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 09:40:42,508 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-06-22 09:40:42,509 INFO ]: Interpolant automaton has 4 states [2018-06-22 09:40:42,509 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 09:40:42,509 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 09:40:42,509 INFO ]: Start difference. First operand 9 states and 9 transitions. Second operand 4 states. [2018-06-22 09:40:42,585 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 09:40:42,585 INFO ]: Finished difference Result 5 states and 5 transitions. [2018-06-22 09:40:42,586 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 09:40:42,586 INFO ]: Start accepts. Automaton has 4 states. Word has length 8 [2018-06-22 09:40:42,586 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 09:40:42,586 INFO ]: With dead ends: 5 [2018-06-22 09:40:42,586 INFO ]: Without dead ends: 0 [2018-06-22 09:40:42,587 INFO ]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-06-22 09:40:42,587 INFO ]: Start minimizeSevpa. Operand 0 states. [2018-06-22 09:40:42,587 INFO ]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-06-22 09:40:42,587 INFO ]: Start removeUnreachable. Operand 0 states. [2018-06-22 09:40:42,587 INFO ]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-06-22 09:40:42,587 INFO ]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2018-06-22 09:40:42,587 INFO ]: Finished accepts. word is rejected. [2018-06-22 09:40:42,587 INFO ]: Abstraction has 0 states and 0 transitions. [2018-06-22 09:40:42,587 INFO ]: Interpolant automaton has 4 states. [2018-06-22 09:40:42,587 INFO ]: Start isEmpty. Operand 0 states and 0 transitions. [2018-06-22 09:40:42,587 INFO ]: Finished isEmpty. No accepting run. [2018-06-22 09:40:42,591 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 09:40:42 BoogieIcfgContainer [2018-06-22 09:40:42,591 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 09:40:42,592 INFO ]: Toolchain (without parser) took 2790.14 ms. Allocated memory was 308.8 MB in the beginning and 326.6 MB in the end (delta: 17.8 MB). Free memory was 233.2 MB in the beginning and 188.4 MB in the end (delta: 44.8 MB). Peak memory consumption was 62.6 MB. Max. memory is 3.6 GB. [2018-06-22 09:40:42,593 INFO ]: SmtParser took 0.09 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. [2018-06-22 09:40:42,594 INFO ]: ChcToBoogie took 120.15 ms. Allocated memory is still 308.8 MB. Free memory was 233.2 MB in the beginning and 229.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-22 09:40:42,594 INFO ]: Boogie Preprocessor took 80.97 ms. Allocated memory is still 308.8 MB. Free memory was 229.2 MB in the beginning and 227.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 3.6 GB. [2018-06-22 09:40:42,600 INFO ]: RCFGBuilder took 581.28 ms. Allocated memory was 308.8 MB in the beginning and 326.6 MB in the end (delta: 17.8 MB). Free memory was 227.2 MB in the beginning and 281.2 MB in the end (delta: -54.0 MB). Peak memory consumption was 45.3 MB. Max. memory is 3.6 GB. [2018-06-22 09:40:42,601 INFO ]: TraceAbstraction took 1993.68 ms. Allocated memory is still 326.6 MB. Free memory was 280.4 MB in the beginning and 188.4 MB in the end (delta: 92.0 MB). Peak memory consumption was 92.0 MB. Max. memory is 3.6 GB. [2018-06-22 09:40:42,603 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.09 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 120.15 ms. Allocated memory is still 308.8 MB. Free memory was 233.2 MB in the beginning and 229.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 80.97 ms. Allocated memory is still 308.8 MB. Free memory was 229.2 MB in the beginning and 227.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 3.6 GB. * RCFGBuilder took 581.28 ms. Allocated memory was 308.8 MB in the beginning and 326.6 MB in the end (delta: 17.8 MB). Free memory was 227.2 MB in the beginning and 281.2 MB in the end (delta: -54.0 MB). Peak memory consumption was 45.3 MB. Max. memory is 3.6 GB. * TraceAbstraction took 1993.68 ms. Allocated memory is still 326.6 MB. Free memory was 280.4 MB in the beginning and 188.4 MB in the end (delta: 92.0 MB). Peak memory consumption was 92.0 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 2 procedures, 10 locations, 1 error locations. SAFE Result, 1.9s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 10 SDtfs, 0 SDslu, 9 SDs, 0 SdLazy, 6 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred 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, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 250 SizeOfPredicates, 0 NumberOfNonLiveVariables, 905 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 0/2 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_2.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_09-40-42-628.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/rtp_2.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_09-40-42-628.csv Received shutdown request...