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/ticket3i_6.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 10:18:15,628 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 10:18:15,630 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 10:18:15,641 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 10:18:15,642 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 10:18:15,643 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 10:18:15,644 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 10:18:15,646 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 10:18:15,648 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 10:18:15,648 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 10:18:15,649 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 10:18:15,650 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 10:18:15,651 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 10:18:15,652 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 10:18:15,653 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 10:18:15,653 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 10:18:15,655 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 10:18:15,657 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 10:18:15,659 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 10:18:15,660 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 10:18:15,661 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 10:18:15,663 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 10:18:15,663 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 10:18:15,664 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 10:18:15,665 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 10:18:15,666 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 10:18:15,666 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 10:18:15,667 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 10:18:15,668 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 10:18:15,669 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 10:18:15,669 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 10:18:15,670 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 10:18:15,670 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 10:18:15,671 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 10:18:15,672 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 10:18:15,672 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-22 10:18:15,685 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 10:18:15,686 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 10:18:15,686 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 10:18:15,686 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 10:18:15,687 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 10:18:15,688 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 10:18:15,688 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 10:18:15,688 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 10:18:15,689 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 10:18:15,689 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 10:18:15,689 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 10:18:15,689 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 10:18:15,690 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 10:18:15,690 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 10:18:15,690 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 10:18:15,690 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 10:18:15,691 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 10:18:15,692 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 10:18:15,692 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 10:18:15,733 INFO ]: Repository-Root is: /tmp [2018-06-22 10:18:15,747 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 10:18:15,752 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 10:18:15,753 INFO ]: Initializing SmtParser... [2018-06-22 10:18:15,754 INFO ]: SmtParser initialized [2018-06-22 10:18:15,754 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/ticket3i_6.smt2 [2018-06-22 10:18:15,755 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 10:18:15,833 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/ticket3i_6.smt2 unknown [2018-06-22 10:18:16,385 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/ticket3i_6.smt2 [2018-06-22 10:18:16,389 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 10:18:16,394 INFO ]: Walking toolchain with 4 elements. [2018-06-22 10:18:16,395 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 10:18:16,395 INFO ]: Initializing ChcToBoogie... [2018-06-22 10:18:16,395 INFO ]: ChcToBoogie initialized [2018-06-22 10:18:16,398 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 10:18:16" (1/1) ... [2018-06-22 10:18:16,508 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:18:16 Unit [2018-06-22 10:18:16,508 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 10:18:16,509 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 10:18:16,509 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 10:18:16,509 INFO ]: Boogie Preprocessor initialized [2018-06-22 10:18:16,530 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:18:16" (1/1) ... [2018-06-22 10:18:16,530 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:18:16" (1/1) ... [2018-06-22 10:18:16,554 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:18:16" (1/1) ... [2018-06-22 10:18:16,555 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:18:16" (1/1) ... [2018-06-22 10:18:16,573 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:18:16" (1/1) ... [2018-06-22 10:18:16,575 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:18:16" (1/1) ... [2018-06-22 10:18:16,578 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:18:16" (1/1) ... [2018-06-22 10:18:16,587 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 10:18:16,587 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 10:18:16,587 INFO ]: Initializing RCFGBuilder... [2018-06-22 10:18:16,587 INFO ]: RCFGBuilder initialized [2018-06-22 10:18:16,588 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:18:16" (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 10:18:16,605 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-22 10:18:16,605 INFO ]: Found specification of procedure gotoProc [2018-06-22 10:18:16,605 INFO ]: Found implementation of procedure gotoProc [2018-06-22 10:18:16,605 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 10:18:16,605 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 10:18:16,605 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 10:18:17,099 INFO ]: Using library mode [2018-06-22 10:18:17,099 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 10:18:17 BoogieIcfgContainer [2018-06-22 10:18:17,099 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 10:18:17,101 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 10:18:17,101 INFO ]: Initializing TraceAbstraction... [2018-06-22 10:18:17,110 INFO ]: TraceAbstraction initialized [2018-06-22 10:18:17,110 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 10:18:16" (1/3) ... [2018-06-22 10:18:17,111 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45414759 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 10:18:17, skipping insertion in model container [2018-06-22 10:18:17,112 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:18:16" (2/3) ... [2018-06-22 10:18:17,112 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45414759 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 10:18:17, skipping insertion in model container [2018-06-22 10:18:17,112 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 10:18:17" (3/3) ... [2018-06-22 10:18:17,114 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 10:18:17,123 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 10:18:17,132 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 10:18:17,208 INFO ]: Using default assertion order modulation [2018-06-22 10:18:17,208 INFO ]: Interprodecural is true [2018-06-22 10:18:17,209 INFO ]: Hoare is false [2018-06-22 10:18:17,209 INFO ]: Compute interpolants for FPandBP [2018-06-22 10:18:17,209 INFO ]: Backedges is TWOTRACK [2018-06-22 10:18:17,209 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 10:18:17,209 INFO ]: Difference is false [2018-06-22 10:18:17,209 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 10:18:17,209 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 10:18:17,225 INFO ]: Start isEmpty. Operand 10 states. [2018-06-22 10:18:17,241 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-22 10:18:17,241 INFO ]: Found error trace [2018-06-22 10:18:17,242 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:18:17,242 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:18:17,248 INFO ]: Analyzing trace with hash 1285054476, now seen corresponding path program 1 times [2018-06-22 10:18:17,250 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:18:17,251 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:18:17,299 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:18:17,299 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:18:17,299 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:18:17,425 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:18:17,675 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 10:18:17,677 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:18:17,677 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-22 10:18:17,679 INFO ]: Interpolant automaton has 3 states [2018-06-22 10:18:17,695 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-22 10:18:17,696 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-22 10:18:17,699 INFO ]: Start difference. First operand 10 states. Second operand 3 states. [2018-06-22 10:18:17,808 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:18:17,808 INFO ]: Finished difference Result 9 states and 9 transitions. [2018-06-22 10:18:17,810 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-22 10:18:17,811 INFO ]: Start accepts. Automaton has 3 states. Word has length 7 [2018-06-22 10:18:17,812 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:18:17,820 INFO ]: With dead ends: 9 [2018-06-22 10:18:17,820 INFO ]: Without dead ends: 9 [2018-06-22 10:18:17,822 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 10:18:17,842 INFO ]: Start minimizeSevpa. Operand 9 states. [2018-06-22 10:18:17,870 INFO ]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-06-22 10:18:17,871 INFO ]: Start removeUnreachable. Operand 9 states. [2018-06-22 10:18:17,874 INFO ]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-06-22 10:18:17,875 INFO ]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2018-06-22 10:18:17,875 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:18:17,876 INFO ]: Abstraction has 9 states and 9 transitions. [2018-06-22 10:18:17,876 INFO ]: Interpolant automaton has 3 states. [2018-06-22 10:18:17,876 INFO ]: Start isEmpty. Operand 9 states and 9 transitions. [2018-06-22 10:18:17,876 INFO ]: Finished isEmpty. Found accepting run of length 9 [2018-06-22 10:18:17,876 INFO ]: Found error trace [2018-06-22 10:18:17,876 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:18:17,876 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:18:17,876 INFO ]: Analyzing trace with hash 1180100628, now seen corresponding path program 1 times [2018-06-22 10:18:17,876 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:18:17,876 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:18:17,877 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:18:17,877 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:18:17,877 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:18:17,983 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:18:18,441 WARN ]: Spent 162.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 11 [2018-06-22 10:18:18,442 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 10:18:18,442 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 10:18:18,442 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 10:18:18,458 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:18:18,666 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:18:18,679 INFO ]: Computing forward predicates... [2018-06-22 10:18:18,775 WARN ]: expecting exponential blowup for input size 14 [2018-06-22 10:18:19,061 WARN ]: Simplifying disjunction of 10368 conjuctions. This might take some time... [2018-06-22 10:18:31,963 INFO ]: Simplified to disjunction of 10368 conjuctions. [2018-06-22 10:18:40,012 WARN ]: Spent 549.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 12 [2018-06-22 10:18:40,016 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 10:18:40,048 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 10:18:40,048 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2018-06-22 10:18:40,049 INFO ]: Interpolant automaton has 5 states [2018-06-22 10:18:40,049 INFO ]: Constructing interpolant automaton starting with 5 interpolants. [2018-06-22 10:18:40,049 INFO ]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-06-22 10:18:40,049 INFO ]: Start difference. First operand 9 states and 9 transitions. Second operand 5 states. [2018-06-22 10:18:40,156 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:18:40,156 INFO ]: Finished difference Result 5 states and 5 transitions. [2018-06-22 10:18:40,157 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 10:18:40,157 INFO ]: Start accepts. Automaton has 5 states. Word has length 8 [2018-06-22 10:18:40,157 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:18:40,157 INFO ]: With dead ends: 5 [2018-06-22 10:18:40,157 INFO ]: Without dead ends: 0 [2018-06-22 10:18:40,158 INFO ]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-06-22 10:18:40,158 INFO ]: Start minimizeSevpa. Operand 0 states. [2018-06-22 10:18:40,158 INFO ]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-06-22 10:18:40,158 INFO ]: Start removeUnreachable. Operand 0 states. [2018-06-22 10:18:40,158 INFO ]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-06-22 10:18:40,158 INFO ]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2018-06-22 10:18:40,158 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:18:40,158 INFO ]: Abstraction has 0 states and 0 transitions. [2018-06-22 10:18:40,158 INFO ]: Interpolant automaton has 5 states. [2018-06-22 10:18:40,159 INFO ]: Start isEmpty. Operand 0 states and 0 transitions. [2018-06-22 10:18:40,159 INFO ]: Finished isEmpty. No accepting run. [2018-06-22 10:18:40,164 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 10:18:40 BoogieIcfgContainer [2018-06-22 10:18:40,164 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 10:18:40,164 INFO ]: Toolchain (without parser) took 23774.86 ms. Allocated memory was 308.8 MB in the beginning and 605.0 MB in the end (delta: 296.2 MB). Free memory was 241.4 MB in the beginning and 399.8 MB in the end (delta: -158.4 MB). Peak memory consumption was 137.8 MB. Max. memory is 3.6 GB. [2018-06-22 10:18:40,165 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 308.8 MB. Free memory is still 274.5 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 10:18:40,173 INFO ]: ChcToBoogie took 113.52 ms. Allocated memory is still 308.8 MB. Free memory was 241.4 MB in the beginning and 238.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 10:18:40,174 INFO ]: Boogie Preprocessor took 78.10 ms. Allocated memory is still 308.8 MB. Free memory was 238.4 MB in the beginning and 236.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 10:18:40,174 INFO ]: RCFGBuilder took 512.03 ms. Allocated memory is still 308.8 MB. Free memory was 236.4 MB in the beginning and 193.4 MB in the end (delta: 43.1 MB). Peak memory consumption was 43.1 MB. Max. memory is 3.6 GB. [2018-06-22 10:18:40,175 INFO ]: TraceAbstraction took 23062.57 ms. Allocated memory was 308.8 MB in the beginning and 605.0 MB in the end (delta: 296.2 MB). Free memory was 193.4 MB in the beginning and 399.8 MB in the end (delta: -206.5 MB). Peak memory consumption was 89.8 MB. Max. memory is 3.6 GB. [2018-06-22 10:18:40,177 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 274.5 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 113.52 ms. Allocated memory is still 308.8 MB. Free memory was 241.4 MB in the beginning and 238.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 78.10 ms. Allocated memory is still 308.8 MB. Free memory was 238.4 MB in the beginning and 236.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 512.03 ms. Allocated memory is still 308.8 MB. Free memory was 236.4 MB in the beginning and 193.4 MB in the end (delta: 43.1 MB). Peak memory consumption was 43.1 MB. Max. memory is 3.6 GB. * TraceAbstraction took 23062.57 ms. Allocated memory was 308.8 MB in the beginning and 605.0 MB in the end (delta: 296.2 MB). Free memory was 193.4 MB in the beginning and 399.8 MB in the end (delta: -206.5 MB). Peak memory consumption was 89.8 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, 22.9s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 10 SDtfs, 0 SDslu, 11 SDs, 0 SdLazy, 7 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s 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: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 22.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 387 SizeOfPredicates, 7 NumberOfNonLiveVariables, 766 ConjunctsInSsa, 40 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/ticket3i_6.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_10-18-40-193.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ticket3i_6.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_10-18-40-193.csv Received shutdown request...