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/DRAGON_5_e2_3018_e7_2443.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 16:51:59,995 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 16:51:59,997 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 16:52:00,013 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 16:52:00,013 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 16:52:00,014 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 16:52:00,015 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 16:52:00,017 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 16:52:00,018 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 16:52:00,019 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 16:52:00,021 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 16:52:00,021 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 16:52:00,022 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 16:52:00,023 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 16:52:00,024 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 16:52:00,025 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 16:52:00,028 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 16:52:00,038 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 16:52:00,039 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 16:52:00,043 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 16:52:00,044 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 16:52:00,046 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 16:52:00,046 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 16:52:00,047 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 16:52:00,047 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 16:52:00,048 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 16:52:00,051 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 16:52:00,052 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 16:52:00,053 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 16:52:00,053 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 16:52:00,054 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 16:52:00,054 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 16:52:00,055 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 16:52:00,060 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 16:52:00,060 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 16:52:00,060 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 16:52:00,082 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 16:52:00,082 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 16:52:00,083 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 16:52:00,083 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 16:52:00,084 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 16:52:00,084 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 16:52:00,084 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 16:52:00,084 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 16:52:00,085 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 16:52:00,085 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 16:52:00,085 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 16:52:00,085 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 16:52:00,085 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 16:52:00,085 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 16:52:00,086 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 16:52:00,087 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 16:52:00,087 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 16:52:00,087 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 16:52:00,087 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 16:52:00,089 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 16:52:00,089 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 16:52:00,141 INFO ]: Repository-Root is: /tmp [2018-06-22 16:52:00,156 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 16:52:00,161 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 16:52:00,163 INFO ]: Initializing SmtParser... [2018-06-22 16:52:00,163 INFO ]: SmtParser initialized [2018-06-22 16:52:00,164 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_5_e2_3018_e7_2443.smt2 [2018-06-22 16:52:00,165 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 16:52:00,261 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_5_e2_3018_e7_2443.smt2 unknown [2018-06-22 16:52:00,940 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_5_e2_3018_e7_2443.smt2 [2018-06-22 16:52:00,949 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 16:52:00,965 INFO ]: Walking toolchain with 4 elements. [2018-06-22 16:52:00,965 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 16:52:00,965 INFO ]: Initializing ChcToBoogie... [2018-06-22 16:52:00,965 INFO ]: ChcToBoogie initialized [2018-06-22 16:52:00,975 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:52:00" (1/1) ... [2018-06-22 16:52:01,060 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:52:01 Unit [2018-06-22 16:52:01,060 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 16:52:01,060 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 16:52:01,060 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 16:52:01,060 INFO ]: Boogie Preprocessor initialized [2018-06-22 16:52:01,087 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:52:01" (1/1) ... [2018-06-22 16:52:01,088 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:52:01" (1/1) ... [2018-06-22 16:52:01,116 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:52:01" (1/1) ... [2018-06-22 16:52:01,116 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:52:01" (1/1) ... [2018-06-22 16:52:01,136 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:52:01" (1/1) ... [2018-06-22 16:52:01,137 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:52:01" (1/1) ... [2018-06-22 16:52:01,146 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:52:01" (1/1) ... [2018-06-22 16:52:01,152 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 16:52:01,153 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 16:52:01,153 INFO ]: Initializing RCFGBuilder... [2018-06-22 16:52:01,153 INFO ]: RCFGBuilder initialized [2018-06-22 16:52:01,154 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:52:01" (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 16:52:01,172 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 16:52:01,172 INFO ]: Found specification of procedure False [2018-06-22 16:52:01,175 INFO ]: Found implementation of procedure False [2018-06-22 16:52:01,175 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 16:52:01,175 INFO ]: Found specification of procedure state [2018-06-22 16:52:01,175 INFO ]: Found implementation of procedure state [2018-06-22 16:52:01,175 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 16:52:01,175 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 16:52:01,175 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 16:52:01,745 INFO ]: Using library mode [2018-06-22 16:52:01,746 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:52:01 BoogieIcfgContainer [2018-06-22 16:52:01,746 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 16:52:01,747 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 16:52:01,747 INFO ]: Initializing TraceAbstraction... [2018-06-22 16:52:01,752 INFO ]: TraceAbstraction initialized [2018-06-22 16:52:01,752 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:52:00" (1/3) ... [2018-06-22 16:52:01,753 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25bdbe49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 04:52:01, skipping insertion in model container [2018-06-22 16:52:01,753 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:52:01" (2/3) ... [2018-06-22 16:52:01,753 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25bdbe49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 04:52:01, skipping insertion in model container [2018-06-22 16:52:01,753 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:52:01" (3/3) ... [2018-06-22 16:52:01,755 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 16:52:01,765 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 16:52:01,777 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 16:52:01,826 INFO ]: Using default assertion order modulation [2018-06-22 16:52:01,827 INFO ]: Interprodecural is true [2018-06-22 16:52:01,827 INFO ]: Hoare is false [2018-06-22 16:52:01,827 INFO ]: Compute interpolants for FPandBP [2018-06-22 16:52:01,827 INFO ]: Backedges is TWOTRACK [2018-06-22 16:52:01,827 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 16:52:01,827 INFO ]: Difference is false [2018-06-22 16:52:01,827 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 16:52:01,827 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 16:52:01,844 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 16:52:01,859 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 16:52:01,859 INFO ]: Found error trace [2018-06-22 16:52:01,862 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:52:01,862 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:52:01,868 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 16:52:01,870 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:52:01,870 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:52:01,917 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:52:01,917 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:52:01,917 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:52:02,058 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:52:02,400 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 16:52:02,402 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 16:52:02,402 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 16:52:02,403 INFO ]: Interpolant automaton has 4 states [2018-06-22 16:52:02,414 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 16:52:02,414 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 16:52:02,416 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 16:52:02,584 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 16:52:02,584 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 16:52:02,586 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 16:52:02,587 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 16:52:02,587 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 16:52:02,602 INFO ]: With dead ends: 13 [2018-06-22 16:52:02,602 INFO ]: Without dead ends: 13 [2018-06-22 16:52:02,604 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 16:52:02,621 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 16:52:02,655 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 16:52:02,656 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 16:52:02,657 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 16:52:02,658 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 16:52:02,659 INFO ]: Finished accepts. word is rejected. [2018-06-22 16:52:02,659 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 16:52:02,659 INFO ]: Interpolant automaton has 4 states. [2018-06-22 16:52:02,659 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 16:52:02,660 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 16:52:02,660 INFO ]: Found error trace [2018-06-22 16:52:02,660 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:52:02,660 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:52:02,660 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 16:52:02,660 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:52:02,660 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:52:02,661 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:52:02,661 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:52:02,661 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:52:02,815 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:52:03,879 WARN ]: Spent 814.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 51 [2018-06-22 16:52:03,987 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 16:52:03,987 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 16:52:03,987 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 16:52:04,004 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 16:52:04,151 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:52:04,162 INFO ]: Computing forward predicates... [2018-06-22 16:52:05,743 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 16:52:05,972 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:52:05,984 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 16:52:06,274 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 16:52:06,639 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 16:52:06,942 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:52:07,063 WARN ]: Simplifying disjunction of 6624 conjuctions. This might take some time... [2018-06-22 16:52:10,758 INFO ]: Simplified to disjunction of 6624 conjuctions. [2018-06-22 16:52:10,787 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:52:10,796 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 16:52:10,802 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 16:52:10,848 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 16:52:11,031 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 16:52:11,034 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 16:52:11,065 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:52:11,127 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 16:52:11,561 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:52:11,566 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:52:12,662 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 16:52:12,675 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 16:52:12,714 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:52:12,809 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 16:52:13,023 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 16:52:13,210 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:52:13,214 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 16:52:13,233 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 16:52:14,757 WARN ]: Simplifying disjunction of 18092 conjuctions. This might take some time... Received shutdown request... [2018-06-22 16:53:17,035 INFO ]: Timeout while computing interpolants [2018-06-22 16:53:17,236 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 16:53:17,236 WARN ]: Verification canceled [2018-06-22 16:53:17,241 WARN ]: Timeout [2018-06-22 16:53:17,242 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 04:53:17 BoogieIcfgContainer [2018-06-22 16:53:17,242 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 16:53:17,242 INFO ]: Toolchain (without parser) took 76292.50 ms. Allocated memory was 308.3 MB in the beginning and 469.2 MB in the end (delta: 161.0 MB). Free memory was 230.8 MB in the beginning and 274.9 MB in the end (delta: -44.2 MB). Peak memory consumption was 144.6 MB. Max. memory is 3.6 GB. [2018-06-22 16:53:17,244 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 308.3 MB. Free memory is still 272.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 16:53:17,244 INFO ]: ChcToBoogie took 94.79 ms. Allocated memory is still 308.3 MB. Free memory was 230.8 MB in the beginning and 226.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:53:17,245 INFO ]: Boogie Preprocessor took 92.19 ms. Allocated memory is still 308.3 MB. Free memory was 226.8 MB in the beginning and 224.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:53:17,245 INFO ]: RCFGBuilder took 592.82 ms. Allocated memory was 308.3 MB in the beginning and 328.2 MB in the end (delta: 19.9 MB). Free memory was 222.8 MB in the beginning and 289.7 MB in the end (delta: -66.9 MB). Peak memory consumption was 41.1 MB. Max. memory is 3.6 GB. [2018-06-22 16:53:17,245 INFO ]: TraceAbstraction took 75494.45 ms. Allocated memory was 328.2 MB in the beginning and 469.2 MB in the end (delta: 141.0 MB). Free memory was 289.7 MB in the beginning and 274.9 MB in the end (delta: 14.8 MB). Peak memory consumption was 183.7 MB. Max. memory is 3.6 GB. [2018-06-22 16:53:17,258 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.07 ms. Allocated memory is still 308.3 MB. Free memory is still 272.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 94.79 ms. Allocated memory is still 308.3 MB. Free memory was 230.8 MB in the beginning and 226.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 92.19 ms. Allocated memory is still 308.3 MB. Free memory was 226.8 MB in the beginning and 224.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 592.82 ms. Allocated memory was 308.3 MB in the beginning and 328.2 MB in the end (delta: 19.9 MB). Free memory was 222.8 MB in the beginning and 289.7 MB in the end (delta: -66.9 MB). Peak memory consumption was 41.1 MB. Max. memory is 3.6 GB. * TraceAbstraction took 75494.45 ms. Allocated memory was 328.2 MB in the beginning and 469.2 MB in the end (delta: 141.0 MB). Free memory was 289.7 MB in the beginning and 274.9 MB in the end (delta: 14.8 MB). Peak memory consumption was 183.7 MB. 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 18092 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 75.4s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.1s 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, 0.1s 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, 72 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/DRAGON_5_e2_3018_e7_2443.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_16-53-17-273.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_5_e2_3018_e7_2443.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_16-53-17-273.csv Completed graceful shutdown