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_11_e3_382_e4_4421.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 16:19:22,995 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 16:19:22,997 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 16:19:23,013 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 16:19:23,014 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 16:19:23,015 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 16:19:23,016 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 16:19:23,018 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 16:19:23,019 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 16:19:23,021 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 16:19:23,022 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 16:19:23,022 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 16:19:23,023 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 16:19:23,027 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 16:19:23,028 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 16:19:23,028 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 16:19:23,037 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 16:19:23,039 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 16:19:23,040 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 16:19:23,044 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 16:19:23,045 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 16:19:23,047 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 16:19:23,048 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 16:19:23,048 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 16:19:23,049 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 16:19:23,050 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 16:19:23,050 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 16:19:23,051 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 16:19:23,053 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 16:19:23,053 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 16:19:23,053 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 16:19:23,054 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 16:19:23,054 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 16:19:23,060 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 16:19:23,060 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 16:19:23,061 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 16:19:23,080 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 16:19:23,080 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 16:19:23,080 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 16:19:23,081 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 16:19:23,082 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 16:19:23,082 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 16:19:23,082 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 16:19:23,082 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 16:19:23,082 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 16:19:23,083 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 16:19:23,083 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 16:19:23,083 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 16:19:23,083 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 16:19:23,083 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 16:19:23,083 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 16:19:23,086 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 16:19:23,086 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 16:19:23,087 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 16:19:23,087 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 16:19:23,088 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 16:19:23,089 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 16:19:23,145 INFO ]: Repository-Root is: /tmp [2018-06-22 16:19:23,159 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 16:19:23,163 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 16:19:23,165 INFO ]: Initializing SmtParser... [2018-06-22 16:19:23,165 INFO ]: SmtParser initialized [2018-06-22 16:19:23,166 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_11_e3_382_e4_4421.smt2 [2018-06-22 16:19:23,167 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 16:19:23,257 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_11_e3_382_e4_4421.smt2 unknown [2018-06-22 16:19:23,960 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_11_e3_382_e4_4421.smt2 [2018-06-22 16:19:23,973 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 16:19:23,979 INFO ]: Walking toolchain with 4 elements. [2018-06-22 16:19:23,980 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 16:19:23,980 INFO ]: Initializing ChcToBoogie... [2018-06-22 16:19:23,980 INFO ]: ChcToBoogie initialized [2018-06-22 16:19:23,993 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:19:23" (1/1) ... [2018-06-22 16:19:24,073 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:19:24 Unit [2018-06-22 16:19:24,073 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 16:19:24,074 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 16:19:24,074 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 16:19:24,074 INFO ]: Boogie Preprocessor initialized [2018-06-22 16:19:24,100 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:19:24" (1/1) ... [2018-06-22 16:19:24,101 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:19:24" (1/1) ... [2018-06-22 16:19:24,128 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:19:24" (1/1) ... [2018-06-22 16:19:24,128 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:19:24" (1/1) ... [2018-06-22 16:19:24,147 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:19:24" (1/1) ... [2018-06-22 16:19:24,148 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:19:24" (1/1) ... [2018-06-22 16:19:24,160 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:19:24" (1/1) ... [2018-06-22 16:19:24,173 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 16:19:24,174 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 16:19:24,174 INFO ]: Initializing RCFGBuilder... [2018-06-22 16:19:24,174 INFO ]: RCFGBuilder initialized [2018-06-22 16:19:24,179 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:19:24" (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 16:19:24,202 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 16:19:24,202 INFO ]: Found specification of procedure False [2018-06-22 16:19:24,202 INFO ]: Found implementation of procedure False [2018-06-22 16:19:24,202 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 16:19:24,202 INFO ]: Found specification of procedure state [2018-06-22 16:19:24,202 INFO ]: Found implementation of procedure state [2018-06-22 16:19:24,202 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 16:19:24,202 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 16:19:24,202 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 16:19:24,811 INFO ]: Using library mode [2018-06-22 16:19:24,811 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:19:24 BoogieIcfgContainer [2018-06-22 16:19:24,811 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 16:19:24,814 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 16:19:24,814 INFO ]: Initializing TraceAbstraction... [2018-06-22 16:19:24,819 INFO ]: TraceAbstraction initialized [2018-06-22 16:19:24,819 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:19:23" (1/3) ... [2018-06-22 16:19:24,820 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@277189ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 04:19:24, skipping insertion in model container [2018-06-22 16:19:24,820 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:19:24" (2/3) ... [2018-06-22 16:19:24,820 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@277189ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 04:19:24, skipping insertion in model container [2018-06-22 16:19:24,820 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:19:24" (3/3) ... [2018-06-22 16:19:24,822 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 16:19:24,832 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 16:19:24,842 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 16:19:24,886 INFO ]: Using default assertion order modulation [2018-06-22 16:19:24,887 INFO ]: Interprodecural is true [2018-06-22 16:19:24,887 INFO ]: Hoare is false [2018-06-22 16:19:24,887 INFO ]: Compute interpolants for FPandBP [2018-06-22 16:19:24,887 INFO ]: Backedges is TWOTRACK [2018-06-22 16:19:24,887 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 16:19:24,887 INFO ]: Difference is false [2018-06-22 16:19:24,887 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 16:19:24,887 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 16:19:24,904 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 16:19:24,917 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 16:19:24,917 INFO ]: Found error trace [2018-06-22 16:19:24,918 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:19:24,918 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:19:24,923 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-22 16:19:24,925 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:19:24,926 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:19:24,975 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:19:24,975 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:19:24,975 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:19:25,121 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:19:25,379 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 16:19:25,381 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 16:19:25,381 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 16:19:25,383 INFO ]: Interpolant automaton has 4 states [2018-06-22 16:19:25,393 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 16:19:25,394 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 16:19:25,395 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 16:19:25,541 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 16:19:25,542 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 16:19:25,543 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 16:19:25,544 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 16:19:25,544 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 16:19:25,556 INFO ]: With dead ends: 13 [2018-06-22 16:19:25,556 INFO ]: Without dead ends: 13 [2018-06-22 16:19:25,558 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 16:19:25,576 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 16:19:25,614 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 16:19:25,615 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 16:19:25,616 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 16:19:25,617 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 16:19:25,617 INFO ]: Finished accepts. word is rejected. [2018-06-22 16:19:25,617 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 16:19:25,617 INFO ]: Interpolant automaton has 4 states. [2018-06-22 16:19:25,617 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 16:19:25,619 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 16:19:25,619 INFO ]: Found error trace [2018-06-22 16:19:25,619 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:19:25,619 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:19:25,619 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-22 16:19:25,619 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:19:25,619 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:19:25,620 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:19:25,620 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:19:25,620 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:19:25,766 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:19:27,562 WARN ]: Spent 1.44 s on a formula simplification. DAG size of input: 114 DAG size of output: 96 [2018-06-22 16:19:27,683 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 16:19:27,684 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 16:19:27,684 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 16:19:27,690 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:19:27,886 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:19:27,901 INFO ]: Computing forward predicates... [2018-06-22 16:19:28,294 WARN ]: expecting exponential blowup for input size 14 [2018-06-22 16:19:28,784 WARN ]: Simplifying disjunction of 15552 conjuctions. This might take some time... [2018-06-22 16:20:05,425 INFO ]: Simplified to disjunction of 15552 conjuctions. [2018-06-22 16:20:05,640 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 16:20:06,732 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 16:20:07,824 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 16:20:08,558 WARN ]: Simplifying disjunction of 5832 conjuctions. This might take some time... [2018-06-22 16:20:13,685 INFO ]: Simplified to disjunction of 5832 conjuctions. [2018-06-22 16:20:13,722 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 16:20:13,797 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 16:20:13,851 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 16:20:13,992 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 16:20:14,195 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 16:20:14,239 WARN ]: Simplifying disjunction of 5832 conjuctions. This might take some time... [2018-06-22 16:20:21,655 INFO ]: Simplified to disjunction of 5832 conjuctions. [2018-06-22 16:20:21,718 WARN ]: Simplifying disjunction of 5184 conjuctions. This might take some time... [2018-06-22 16:20:23,429 INFO ]: Simplified to disjunction of 5184 conjuctions. [2018-06-22 16:20:23,462 WARN ]: expecting exponential blowup for input size 16 [2018-06-22 16:20:24,184 WARN ]: Simplifying disjunction of 93312 conjuctions. This might take some time... Received shutdown request... [2018-06-22 16:20:43,754 INFO ]: Timeout while computing interpolants [2018-06-22 16:20:43,954 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 16:20:43,954 WARN ]: Verification canceled [2018-06-22 16:20:43,958 WARN ]: Timeout [2018-06-22 16:20:43,958 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 04:20:43 BoogieIcfgContainer [2018-06-22 16:20:43,958 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 16:20:43,959 INFO ]: Toolchain (without parser) took 79985.25 ms. Allocated memory was 300.9 MB in the beginning and 558.4 MB in the end (delta: 257.4 MB). Free memory was 225.1 MB in the beginning and 365.1 MB in the end (delta: -140.0 MB). Peak memory consumption was 292.8 MB. Max. memory is 3.6 GB. [2018-06-22 16:20:43,960 INFO ]: SmtParser took 0.09 ms. Allocated memory is still 300.9 MB. Free memory is still 266.7 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 16:20:43,960 INFO ]: ChcToBoogie took 93.56 ms. Allocated memory is still 300.9 MB. Free memory was 225.1 MB in the beginning and 221.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:20:43,960 INFO ]: Boogie Preprocessor took 99.34 ms. Allocated memory is still 300.9 MB. Free memory was 221.1 MB in the beginning and 219.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:20:43,961 INFO ]: RCFGBuilder took 637.57 ms. Allocated memory was 300.9 MB in the beginning and 326.1 MB in the end (delta: 25.2 MB). Free memory was 219.1 MB in the beginning and 288.3 MB in the end (delta: -69.1 MB). Peak memory consumption was 44.7 MB. Max. memory is 3.6 GB. [2018-06-22 16:20:43,961 INFO ]: TraceAbstraction took 79144.33 ms. Allocated memory was 326.1 MB in the beginning and 558.4 MB in the end (delta: 232.3 MB). Free memory was 288.3 MB in the beginning and 365.1 MB in the end (delta: -76.8 MB). Peak memory consumption was 330.8 MB. Max. memory is 3.6 GB. [2018-06-22 16:20:43,964 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 300.9 MB. Free memory is still 266.7 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 93.56 ms. Allocated memory is still 300.9 MB. Free memory was 225.1 MB in the beginning and 221.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 99.34 ms. Allocated memory is still 300.9 MB. Free memory was 221.1 MB in the beginning and 219.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 637.57 ms. Allocated memory was 300.9 MB in the beginning and 326.1 MB in the end (delta: 25.2 MB). Free memory was 219.1 MB in the beginning and 288.3 MB in the end (delta: -69.1 MB). Peak memory consumption was 44.7 MB. Max. memory is 3.6 GB. * TraceAbstraction took 79144.33 ms. Allocated memory was 326.1 MB in the beginning and 558.4 MB in the end (delta: 232.3 MB). Free memory was 288.3 MB in the beginning and 365.1 MB in the end (delta: -76.8 MB). Peak memory consumption was 330.8 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 93312 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 79.0s 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, 0.2s 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_11_e3_382_e4_4421.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_16-20-43-975.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_11_e3_382_e4_4421.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_16-20-43-975.csv Completed graceful shutdown