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/FIREFLY_9_e7_170_e3_3647.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 17:55:27,607 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 17:55:27,609 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 17:55:27,624 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 17:55:27,625 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 17:55:27,626 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 17:55:27,627 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 17:55:27,629 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 17:55:27,631 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 17:55:27,631 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 17:55:27,633 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 17:55:27,633 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 17:55:27,634 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 17:55:27,635 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 17:55:27,635 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 17:55:27,638 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 17:55:27,639 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 17:55:27,649 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 17:55:27,650 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 17:55:27,651 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 17:55:27,652 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 17:55:27,658 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 17:55:27,658 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 17:55:27,658 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 17:55:27,659 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 17:55:27,660 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 17:55:27,663 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 17:55:27,664 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 17:55:27,665 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 17:55:27,665 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 17:55:27,666 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 17:55:27,666 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 17:55:27,667 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 17:55:27,672 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 17:55:27,672 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 17:55:27,673 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 17:55:27,694 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 17:55:27,695 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 17:55:27,696 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 17:55:27,696 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 17:55:27,697 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 17:55:27,697 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 17:55:27,697 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 17:55:27,698 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 17:55:27,698 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 17:55:27,698 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 17:55:27,698 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 17:55:27,698 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 17:55:27,699 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 17:55:27,699 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 17:55:27,699 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 17:55:27,699 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 17:55:27,699 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 17:55:27,699 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 17:55:27,700 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 17:55:27,702 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 17:55:27,702 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 17:55:27,750 INFO ]: Repository-Root is: /tmp [2018-06-22 17:55:27,763 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 17:55:27,769 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 17:55:27,770 INFO ]: Initializing SmtParser... [2018-06-22 17:55:27,770 INFO ]: SmtParser initialized [2018-06-22 17:55:27,771 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_9_e7_170_e3_3647.smt2 [2018-06-22 17:55:27,772 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 17:55:27,859 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_9_e7_170_e3_3647.smt2 unknown [2018-06-22 17:55:28,350 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_9_e7_170_e3_3647.smt2 [2018-06-22 17:55:28,355 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 17:55:28,365 INFO ]: Walking toolchain with 4 elements. [2018-06-22 17:55:28,366 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 17:55:28,366 INFO ]: Initializing ChcToBoogie... [2018-06-22 17:55:28,366 INFO ]: ChcToBoogie initialized [2018-06-22 17:55:28,369 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:55:28" (1/1) ... [2018-06-22 17:55:28,448 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:55:28 Unit [2018-06-22 17:55:28,448 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 17:55:28,449 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 17:55:28,449 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 17:55:28,449 INFO ]: Boogie Preprocessor initialized [2018-06-22 17:55:28,472 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:55:28" (1/1) ... [2018-06-22 17:55:28,472 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:55:28" (1/1) ... [2018-06-22 17:55:28,484 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:55:28" (1/1) ... [2018-06-22 17:55:28,484 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:55:28" (1/1) ... [2018-06-22 17:55:28,492 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:55:28" (1/1) ... [2018-06-22 17:55:28,494 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:55:28" (1/1) ... [2018-06-22 17:55:28,497 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:55:28" (1/1) ... [2018-06-22 17:55:28,501 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 17:55:28,501 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 17:55:28,501 INFO ]: Initializing RCFGBuilder... [2018-06-22 17:55:28,501 INFO ]: RCFGBuilder initialized [2018-06-22 17:55:28,502 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:55:28" (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) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 17:55:28,529 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 17:55:28,529 INFO ]: Found specification of procedure False [2018-06-22 17:55:28,529 INFO ]: Found implementation of procedure False [2018-06-22 17:55:28,529 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 17:55:28,529 INFO ]: Found specification of procedure state [2018-06-22 17:55:28,529 INFO ]: Found implementation of procedure state [2018-06-22 17:55:28,529 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 17:55:28,530 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 17:55:28,530 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 17:55:28,979 INFO ]: Using library mode [2018-06-22 17:55:28,979 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:55:28 BoogieIcfgContainer [2018-06-22 17:55:28,979 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 17:55:28,984 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 17:55:28,984 INFO ]: Initializing TraceAbstraction... [2018-06-22 17:55:28,988 INFO ]: TraceAbstraction initialized [2018-06-22 17:55:28,988 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:55:28" (1/3) ... [2018-06-22 17:55:28,989 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b6ad22d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 05:55:28, skipping insertion in model container [2018-06-22 17:55:28,989 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:55:28" (2/3) ... [2018-06-22 17:55:28,989 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b6ad22d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 05:55:28, skipping insertion in model container [2018-06-22 17:55:28,989 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:55:28" (3/3) ... [2018-06-22 17:55:28,991 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 17:55:29,001 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 17:55:29,012 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 17:55:29,061 INFO ]: Using default assertion order modulation [2018-06-22 17:55:29,062 INFO ]: Interprodecural is true [2018-06-22 17:55:29,062 INFO ]: Hoare is false [2018-06-22 17:55:29,062 INFO ]: Compute interpolants for FPandBP [2018-06-22 17:55:29,062 INFO ]: Backedges is TWOTRACK [2018-06-22 17:55:29,062 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 17:55:29,062 INFO ]: Difference is false [2018-06-22 17:55:29,062 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 17:55:29,062 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 17:55:29,080 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 17:55:29,094 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 17:55:29,094 INFO ]: Found error trace [2018-06-22 17:55:29,095 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:55:29,095 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:55:29,101 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-22 17:55:29,103 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:55:29,103 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:55:29,151 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:55:29,151 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:55:29,151 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:55:29,277 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:55:29,667 WARN ]: Spent 182.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 7 [2018-06-22 17:55:29,671 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 17:55:29,673 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 17:55:29,674 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 17:55:29,676 INFO ]: Interpolant automaton has 4 states [2018-06-22 17:55:29,693 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 17:55:29,693 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 17:55:29,696 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 17:55:29,874 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 17:55:29,874 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 17:55:29,875 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 17:55:29,876 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 17:55:29,877 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 17:55:29,890 INFO ]: With dead ends: 13 [2018-06-22 17:55:29,890 INFO ]: Without dead ends: 13 [2018-06-22 17:55:29,892 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 17:55:29,907 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 17:55:29,944 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 17:55:29,945 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 17:55:29,946 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 17:55:29,947 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 17:55:29,947 INFO ]: Finished accepts. word is rejected. [2018-06-22 17:55:29,947 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 17:55:29,947 INFO ]: Interpolant automaton has 4 states. [2018-06-22 17:55:29,947 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 17:55:29,949 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 17:55:29,949 INFO ]: Found error trace [2018-06-22 17:55:29,949 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:55:29,949 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:55:29,949 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-22 17:55:29,949 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:55:29,949 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:55:29,951 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:55:29,951 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:55:29,952 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:55:30,129 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:55:31,308 WARN ]: Spent 917.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 54 [2018-06-22 17:55:31,663 WARN ]: Spent 195.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 1 [2018-06-22 17:55:31,665 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 17:55:31,665 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 17:55:31,665 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) [2018-06-22 17:55:31,682 INFO ]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 17:55:31,809 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:55:31,821 INFO ]: Computing forward predicates... [2018-06-22 17:56:06,273 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 17:56:06,477 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 17:56:06,628 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:56:06,676 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:56:08,767 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 17:56:08,943 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 17:56:09,091 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 17:56:09,621 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 17:56:10,154 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 17:56:10,255 WARN ]: Simplifying disjunction of 7290 conjuctions. This might take some time... [2018-06-22 17:56:18,510 INFO ]: Simplified to disjunction of 7290 conjuctions. [2018-06-22 17:56:18,546 WARN ]: expecting exponential blowup for input size 14 [2018-06-22 17:56:18,602 WARN ]: Simplifying disjunction of 8748 conjuctions. This might take some time... [2018-06-22 17:56:21,627 INFO ]: Simplified to disjunction of 2916 conjuctions. [2018-06-22 17:56:21,637 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 17:56:21,840 WARN ]: Simplifying disjunction of 7290 conjuctions. This might take some time... [2018-06-22 17:56:27,527 INFO ]: Simplified to disjunction of 7290 conjuctions. [2018-06-22 17:56:27,555 WARN ]: expecting exponential blowup for input size 14 [2018-06-22 17:56:27,808 WARN ]: Simplifying disjunction of 29160 conjuctions. This might take some time... Received shutdown request... [2018-06-22 17:56:34,079 INFO ]: Timeout while computing interpolants [2018-06-22 17:56:34,280 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 17:56:34,280 WARN ]: Verification canceled [2018-06-22 17:56:34,284 WARN ]: Timeout [2018-06-22 17:56:34,284 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 05:56:34 BoogieIcfgContainer [2018-06-22 17:56:34,284 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 17:56:34,285 INFO ]: Toolchain (without parser) took 65929.89 ms. Allocated memory was 304.1 MB in the beginning and 1.8 GB in the end (delta: 1.4 GB). Free memory was 239.5 MB in the beginning and 368.4 MB in the end (delta: -128.9 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 17:56:34,286 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 304.1 MB. Free memory is still 269.7 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 17:56:34,286 INFO ]: ChcToBoogie took 82.98 ms. Allocated memory is still 304.1 MB. Free memory was 239.5 MB in the beginning and 236.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:56:34,287 INFO ]: Boogie Preprocessor took 51.68 ms. Allocated memory is still 304.1 MB. Free memory was 236.6 MB in the beginning and 234.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:56:34,287 INFO ]: RCFGBuilder took 478.13 ms. Allocated memory is still 304.1 MB. Free memory was 234.6 MB in the beginning and 205.6 MB in the end (delta: 29.0 MB). Peak memory consumption was 29.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:56:34,288 INFO ]: TraceAbstraction took 65300.07 ms. Allocated memory was 304.1 MB in the beginning and 1.8 GB in the end (delta: 1.4 GB). Free memory was 205.6 MB in the beginning and 368.4 MB in the end (delta: -162.9 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 17:56:34,298 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 304.1 MB. Free memory is still 269.7 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 82.98 ms. Allocated memory is still 304.1 MB. Free memory was 239.5 MB in the beginning and 236.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 51.68 ms. Allocated memory is still 304.1 MB. Free memory was 236.6 MB in the beginning and 234.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 478.13 ms. Allocated memory is still 304.1 MB. Free memory was 234.6 MB in the beginning and 205.6 MB in the end (delta: 29.0 MB). Peak memory consumption was 29.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 65300.07 ms. Allocated memory was 304.1 MB in the beginning and 1.8 GB in the end (delta: 1.4 GB). Free memory was 205.6 MB in the beginning and 368.4 MB in the end (delta: -162.9 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [UNKNOWN] : Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 0). Cancelled while BasicCegarLoop was analyzing trace of length 14 with TraceHistMax 2, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while DnfTransformerHelper was XNF transformer was simplifying 29160 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 65.2s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 11 SDtfs, 1 SDslu, 15 SDs, 0 SdLazy, 6 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 184 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/FIREFLY_9_e7_170_e3_3647.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_17-56-34-315.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/FIREFLY_9_e7_170_e3_3647.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_17-56-34-315.csv Completed graceful shutdown