java -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/chccomp2018/chcToBoogie_automizer.epf -i /storage/chc-comp/vmt-chc-benchmarks/lustre/ILLINOIS_1.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-55b8104 [2018-06-18 15:47:17,181 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-18 15:47:17,183 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-18 15:47:17,199 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-18 15:47:17,201 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-18 15:47:17,202 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-18 15:47:17,203 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-18 15:47:17,205 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-18 15:47:17,207 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-18 15:47:17,209 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-18 15:47:17,210 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-18 15:47:17,210 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-18 15:47:17,211 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-18 15:47:17,216 INFO L177 SettingsManager]: ChcToBoogie provides no preferences, ignoring... [2018-06-18 15:47:17,216 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-18 15:47:17,217 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-18 15:47:17,219 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-18 15:47:17,221 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-18 15:47:17,223 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-18 15:47:17,224 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-18 15:47:17,225 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-18 15:47:17,228 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-18 15:47:17,228 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-18 15:47:17,228 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-18 15:47:17,229 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-18 15:47:17,230 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-18 15:47:17,231 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-18 15:47:17,232 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-18 15:47:17,233 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-18 15:47:17,233 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-18 15:47:17,234 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-18 15:47:17,234 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-18 15:47:17,235 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-18 15:47:17,236 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-18 15:47:17,236 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-18 15:47:17,236 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chccomp2018/chcToBoogie_automizer.epf [2018-06-18 15:47:17,260 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-18 15:47:17,260 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-18 15:47:17,261 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-18 15:47:17,261 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-18 15:47:17,262 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-18 15:47:17,266 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-18 15:47:17,266 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-18 15:47:17,267 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-18 15:47:17,267 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-18 15:47:17,267 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-18 15:47:17,267 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-18 15:47:17,267 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-18 15:47:17,268 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-18 15:47:17,268 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-18 15:47:17,268 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-18 15:47:17,268 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-18 15:47:17,268 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-18 15:47:17,271 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-18 15:47:17,271 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-18 15:47:17,322 INFO ]: Repository-Root is: /tmp [2018-06-18 15:47:17,337 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-18 15:47:17,344 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-18 15:47:17,345 INFO ]: Initializing SmtParser... [2018-06-18 15:47:17,345 INFO ]: SmtParser initialized [2018-06-18 15:47:17,346 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/ILLINOIS_1.smt2 [2018-06-18 15:47:17,347 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 [2018-06-18 15:47:17,439 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/ILLINOIS_1.smt2 unknown [2018-06-18 15:47:18,022 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/ILLINOIS_1.smt2 [2018-06-18 15:47:18,027 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-18 15:47:18,042 INFO ]: Walking toolchain with 4 elements. [2018-06-18 15:47:18,042 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-18 15:47:18,042 INFO ]: Initializing ChcToBoogie... [2018-06-18 15:47:18,042 INFO ]: ChcToBoogie initialized [2018-06-18 15:47:18,055 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 03:47:18" (1/1) ... [2018-06-18 15:47:18,208 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:47:18 Unit [2018-06-18 15:47:18,208 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-18 15:47:18,209 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-18 15:47:18,209 INFO ]: Initializing Boogie Preprocessor... [2018-06-18 15:47:18,209 INFO ]: Boogie Preprocessor initialized [2018-06-18 15:47:18,232 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:47:18" (1/1) ... [2018-06-18 15:47:18,232 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:47:18" (1/1) ... [2018-06-18 15:47:18,252 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:47:18" (1/1) ... [2018-06-18 15:47:18,253 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:47:18" (1/1) ... [2018-06-18 15:47:18,268 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:47:18" (1/1) ... [2018-06-18 15:47:18,269 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:47:18" (1/1) ... [2018-06-18 15:47:18,281 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:47:18" (1/1) ... [2018-06-18 15:47:18,284 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-18 15:47:18,285 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-18 15:47:18,285 INFO ]: Initializing RCFGBuilder... [2018-06-18 15:47:18,285 INFO ]: RCFGBuilder initialized [2018-06-18 15:47:18,286 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:47:18" (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) [2018-06-18 15:47:18,299 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-18 15:47:18,299 INFO ]: Found specification of procedure False [2018-06-18 15:47:18,299 INFO ]: Found implementation of procedure False [2018-06-18 15:47:18,299 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-18 15:47:18,299 INFO ]: Found specification of procedure state [2018-06-18 15:47:18,299 INFO ]: Found implementation of procedure state [2018-06-18 15:47:18,299 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-18 15:47:18,299 INFO ]: Found specification of procedure Ultimate.START [2018-06-18 15:47:18,299 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 [2018-06-18 15:47:18,749 INFO ]: Using library mode [2018-06-18 15:47:18,749 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 03:47:18 BoogieIcfgContainer [2018-06-18 15:47:18,749 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-18 15:47:18,751 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-18 15:47:18,751 INFO ]: Initializing TraceAbstraction... [2018-06-18 15:47:18,755 INFO ]: TraceAbstraction initialized [2018-06-18 15:47:18,755 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 03:47:18" (1/3) ... [2018-06-18 15:47:18,756 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f09073d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 18.06 03:47:18, skipping insertion in model container [2018-06-18 15:47:18,756 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:47:18" (2/3) ... [2018-06-18 15:47:18,756 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f09073d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.06 03:47:18, skipping insertion in model container [2018-06-18 15:47:18,756 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 03:47:18" (3/3) ... [2018-06-18 15:47:18,758 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-18 15:47:18,772 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-18 15:47:18,783 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-18 15:47:18,842 INFO ]: Using default assertion order modulation [2018-06-18 15:47:18,842 INFO ]: Interprodecural is true [2018-06-18 15:47:18,842 INFO ]: Hoare is false [2018-06-18 15:47:18,843 INFO ]: Compute interpolants for FPandBP [2018-06-18 15:47:18,843 INFO ]: Backedges is TWOTRACK [2018-06-18 15:47:18,843 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-18 15:47:18,843 INFO ]: Difference is false [2018-06-18 15:47:18,843 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-18 15:47:18,843 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-18 15:47:18,864 INFO ]: Start isEmpty. Operand 13 states. [2018-06-18 15:47:18,887 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-18 15:47:18,887 INFO ]: Found error trace [2018-06-18 15:47:18,888 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 15:47:18,888 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 15:47:18,896 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-18 15:47:18,898 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 15:47:18,899 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 15:47:18,952 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 15:47:18,952 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 15:47:18,952 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 15:47:19,093 INFO ]: Conjunction of SSA is unsat [2018-06-18 15:47:19,100 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 15:47:19,375 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-18 15:47:19,376 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-18 15:47:19,376 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-18 15:47:19,378 INFO ]: Interpolant automaton has 4 states [2018-06-18 15:47:19,389 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-18 15:47:19,389 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-18 15:47:19,392 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-18 15:47:19,532 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-18 15:47:19,532 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-18 15:47:19,533 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-18 15:47:19,534 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-18 15:47:19,534 INFO ]: Finished accepts. some prefix is accepted. [2018-06-18 15:47:19,547 INFO ]: With dead ends: 13 [2018-06-18 15:47:19,547 INFO ]: Without dead ends: 13 [2018-06-18 15:47:19,551 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 [2018-06-18 15:47:19,566 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-18 15:47:19,594 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-18 15:47:19,595 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-18 15:47:19,596 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-18 15:47:19,597 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-18 15:47:19,597 INFO ]: Finished accepts. word is rejected. [2018-06-18 15:47:19,598 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-18 15:47:19,598 INFO ]: Interpolant automaton has 4 states. [2018-06-18 15:47:19,598 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-18 15:47:19,599 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-18 15:47:19,599 INFO ]: Found error trace [2018-06-18 15:47:19,599 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 15:47:19,599 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 15:47:19,600 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-18 15:47:19,600 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 15:47:19,600 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 15:47:19,601 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 15:47:19,601 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 15:47:19,601 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 15:47:19,790 INFO ]: Conjunction of SSA is unsat [2018-06-18 15:47:19,793 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 15:47:20,724 WARN ]: Spent 644.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 42 [2018-06-18 15:47:20,863 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-18 15:47:20,863 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-18 15:47:20,863 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 [2018-06-18 15:47:20,877 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 15:47:21,020 INFO ]: Conjunction of SSA is unsat [2018-06-18 15:47:21,035 INFO ]: Computing forward predicates... [2018-06-18 15:47:23,302 WARN ]: expecting exponential blowup for input size 12 [2018-06-18 15:47:23,605 WARN ]: Simplifying disjunction of 8640 conjuctions. This might take some time... [2018-06-18 15:47:30,111 INFO ]: Simplified to disjunction of 4320 conjuctions. [2018-06-18 15:47:30,161 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:47:30,182 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:47:30,203 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:47:30,218 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:47:30,244 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:47:30,252 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:47:30,278 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:47:30,305 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:47:30,315 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:47:30,384 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:47:30,386 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:47:30,391 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:47:30,395 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:47:30,401 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:47:30,432 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:47:30,437 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:47:30,439 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:47:30,447 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:47:30,471 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:47:30,476 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:47:30,480 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:47:30,487 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:47:30,498 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:47:30,503 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:47:30,512 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:47:30,519 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:47:30,629 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:47:30,658 WARN ]: expecting exponential blowup for input size 9 [2018-06-18 15:47:30,825 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:47:30,826 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:47:30,840 WARN ]: expecting exponential blowup for input size 11 [2018-06-18 15:47:30,877 WARN ]: Simplifying disjunction of 8640 conjuctions. This might take some time... [2018-06-18 15:47:44,716 INFO ]: Simplified to disjunction of 8640 conjuctions. [2018-06-18 15:47:44,757 WARN ]: expecting exponential blowup for input size 14 [2018-06-18 15:47:44,885 WARN ]: Simplifying disjunction of 8640 conjuctions. This might take some time... [2018-06-18 15:47:49,222 INFO ]: Simplified to disjunction of 4320 conjuctions. [2018-06-18 15:47:49,236 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:47:49,243 WARN ]: expecting exponential blowup for input size 14 [2018-06-18 15:47:49,408 WARN ]: Simplifying disjunction of 12960 conjuctions. This might take some time... [2018-06-18 15:48:13,916 INFO ]: Simplified to disjunction of 12960 conjuctions. [2018-06-18 15:48:13,955 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:48:13,965 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:48:13,970 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:48:14,187 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:48:14,205 WARN ]: expecting exponential blowup for input size 9 [2018-06-18 15:48:14,228 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 15:48:14,234 WARN ]: expecting exponential blowup for input size 12 [2018-06-18 15:48:14,289 WARN ]: Simplifying disjunction of 17280 conjuctions. This might take some time... Received shutdown request... [2018-06-18 15:48:33,207 INFO ]: Timeout while computing interpolants [2018-06-18 15:48:33,408 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-18 15:48:33,408 WARN ]: Verification canceled [2018-06-18 15:48:33,412 WARN ]: Timeout [2018-06-18 15:48:33,413 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.06 03:48:33 BoogieIcfgContainer [2018-06-18 15:48:33,413 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-18 15:48:33,413 INFO ]: Toolchain (without parser) took 75386.22 ms. Allocated memory was 308.8 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 242.2 MB in the beginning and 1.4 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-18 15:48:33,414 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 308.8 MB. Free memory is still 274.3 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-18 15:48:33,414 INFO ]: ChcToBoogie took 166.57 ms. Allocated memory is still 308.8 MB. Free memory was 242.2 MB in the beginning and 236.2 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 3.6 GB. [2018-06-18 15:48:33,415 INFO ]: Boogie Preprocessor took 75.40 ms. Allocated memory is still 308.8 MB. Free memory was 236.2 MB in the beginning and 234.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-18 15:48:33,417 INFO ]: RCFGBuilder took 464.69 ms. Allocated memory is still 308.8 MB. Free memory was 234.3 MB in the beginning and 202.2 MB in the end (delta: 32.1 MB). Peak memory consumption was 32.1 MB. Max. memory is 3.6 GB. [2018-06-18 15:48:33,418 INFO ]: TraceAbstraction took 74661.63 ms. Allocated memory was 308.8 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 202.2 MB in the beginning and 1.4 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.2 GB. Max. memory is 3.6 GB. [2018-06-18 15:48:33,420 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 274.3 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 166.57 ms. Allocated memory is still 308.8 MB. Free memory was 242.2 MB in the beginning and 236.2 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 75.40 ms. Allocated memory is still 308.8 MB. Free memory was 236.2 MB in the beginning and 234.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 464.69 ms. Allocated memory is still 308.8 MB. Free memory was 234.3 MB in the beginning and 202.2 MB in the end (delta: 32.1 MB). Peak memory consumption was 32.1 MB. Max. memory is 3.6 GB. * TraceAbstraction took 74661.63 ms. Allocated memory was 308.8 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 202.2 MB in the beginning and 1.4 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.2 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 17280 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 74.5s 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/ILLINOIS_1.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-18_15-48-33-431.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ILLINOIS_1.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-18_15-48-33-431.csv Completed graceful shutdown