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/DRAGON_9_e7_1843_e3_5316.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-55b8104 [2018-06-18 14:44:05,738 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-18 14:44:05,740 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-18 14:44:05,757 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-18 14:44:05,757 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-18 14:44:05,758 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-18 14:44:05,760 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-18 14:44:05,763 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-18 14:44:05,765 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-18 14:44:05,766 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-18 14:44:05,767 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-18 14:44:05,768 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-18 14:44:05,768 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-18 14:44:05,771 INFO L177 SettingsManager]: ChcToBoogie provides no preferences, ignoring... [2018-06-18 14:44:05,772 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-18 14:44:05,772 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-18 14:44:05,782 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-18 14:44:05,784 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-18 14:44:05,785 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-18 14:44:05,790 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-18 14:44:05,792 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-18 14:44:05,794 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-18 14:44:05,795 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-18 14:44:05,795 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-18 14:44:05,796 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-18 14:44:05,797 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-18 14:44:05,798 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-18 14:44:05,800 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-18 14:44:05,801 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-18 14:44:05,801 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-18 14:44:05,802 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-18 14:44:05,803 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-18 14:44:05,803 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-18 14:44:05,804 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-18 14:44:05,805 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-18 14:44:05,805 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chccomp2018/chcToBoogie_automizer.epf [2018-06-18 14:44:05,823 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-18 14:44:05,824 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-18 14:44:05,824 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-18 14:44:05,824 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-18 14:44:05,827 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-18 14:44:05,827 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-18 14:44:05,827 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-18 14:44:05,828 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-18 14:44:05,830 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-18 14:44:05,831 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-18 14:44:05,831 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-18 14:44:05,831 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-18 14:44:05,831 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-18 14:44:05,831 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-18 14:44:05,831 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-18 14:44:05,832 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-18 14:44:05,832 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-18 14:44:05,833 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-18 14:44:05,834 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-18 14:44:05,893 INFO ]: Repository-Root is: /tmp [2018-06-18 14:44:05,908 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-18 14:44:05,912 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-18 14:44:05,914 INFO ]: Initializing SmtParser... [2018-06-18 14:44:05,914 INFO ]: SmtParser initialized [2018-06-18 14:44:05,915 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_9_e7_1843_e3_5316.smt2 [2018-06-18 14:44:05,917 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 14:44:06,106 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_9_e7_1843_e3_5316.smt2 unknown [2018-06-18 14:44:07,021 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_9_e7_1843_e3_5316.smt2 [2018-06-18 14:44:07,027 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-18 14:44:07,033 INFO ]: Walking toolchain with 4 elements. [2018-06-18 14:44:07,033 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-18 14:44:07,033 INFO ]: Initializing ChcToBoogie... [2018-06-18 14:44:07,034 INFO ]: ChcToBoogie initialized [2018-06-18 14:44:07,041 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 02:44:07" (1/1) ... [2018-06-18 14:44:07,227 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:44:07 Unit [2018-06-18 14:44:07,227 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-18 14:44:07,228 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-18 14:44:07,228 INFO ]: Initializing Boogie Preprocessor... [2018-06-18 14:44:07,228 INFO ]: Boogie Preprocessor initialized [2018-06-18 14:44:07,255 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:44:07" (1/1) ... [2018-06-18 14:44:07,255 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:44:07" (1/1) ... [2018-06-18 14:44:07,287 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:44:07" (1/1) ... [2018-06-18 14:44:07,287 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:44:07" (1/1) ... [2018-06-18 14:44:07,318 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:44:07" (1/1) ... [2018-06-18 14:44:07,319 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:44:07" (1/1) ... [2018-06-18 14:44:07,330 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:44:07" (1/1) ... [2018-06-18 14:44:07,336 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-18 14:44:07,336 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-18 14:44:07,336 INFO ]: Initializing RCFGBuilder... [2018-06-18 14:44:07,336 INFO ]: RCFGBuilder initialized [2018-06-18 14:44:07,344 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:44:07" (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 14:44:07,366 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-18 14:44:07,366 INFO ]: Found specification of procedure False [2018-06-18 14:44:07,366 INFO ]: Found implementation of procedure False [2018-06-18 14:44:07,366 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-18 14:44:07,366 INFO ]: Found specification of procedure state [2018-06-18 14:44:07,366 INFO ]: Found implementation of procedure state [2018-06-18 14:44:07,366 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-18 14:44:07,366 INFO ]: Found specification of procedure Ultimate.START [2018-06-18 14:44:07,366 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 14:44:08,076 INFO ]: Using library mode [2018-06-18 14:44:08,077 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 02:44:08 BoogieIcfgContainer [2018-06-18 14:44:08,077 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-18 14:44:08,079 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-18 14:44:08,079 INFO ]: Initializing TraceAbstraction... [2018-06-18 14:44:08,097 INFO ]: TraceAbstraction initialized [2018-06-18 14:44:08,097 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 02:44:07" (1/3) ... [2018-06-18 14:44:08,098 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b761d08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 18.06 02:44:08, skipping insertion in model container [2018-06-18 14:44:08,098 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:44:07" (2/3) ... [2018-06-18 14:44:08,098 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b761d08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.06 02:44:08, skipping insertion in model container [2018-06-18 14:44:08,099 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 02:44:08" (3/3) ... [2018-06-18 14:44:08,117 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-18 14:44:08,143 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-18 14:44:08,161 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-18 14:44:08,237 INFO ]: Using default assertion order modulation [2018-06-18 14:44:08,238 INFO ]: Interprodecural is true [2018-06-18 14:44:08,238 INFO ]: Hoare is false [2018-06-18 14:44:08,238 INFO ]: Compute interpolants for FPandBP [2018-06-18 14:44:08,238 INFO ]: Backedges is TWOTRACK [2018-06-18 14:44:08,238 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-18 14:44:08,238 INFO ]: Difference is false [2018-06-18 14:44:08,238 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-18 14:44:08,238 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-18 14:44:08,259 INFO ]: Start isEmpty. Operand 13 states. [2018-06-18 14:44:08,282 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-18 14:44:08,282 INFO ]: Found error trace [2018-06-18 14:44:08,283 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 14:44:08,283 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 14:44:08,290 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-18 14:44:08,292 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 14:44:08,293 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 14:44:08,359 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:44:08,359 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:44:08,367 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:44:08,537 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:44:08,553 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 14:44:08,981 WARN ]: Spent 103.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 1 [2018-06-18 14:44:08,985 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-18 14:44:08,988 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-18 14:44:08,988 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-18 14:44:08,990 INFO ]: Interpolant automaton has 4 states [2018-06-18 14:44:09,007 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-18 14:44:09,008 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-18 14:44:09,010 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-18 14:44:09,184 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-18 14:44:09,184 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-18 14:44:09,186 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-18 14:44:09,187 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-18 14:44:09,188 INFO ]: Finished accepts. some prefix is accepted. [2018-06-18 14:44:09,207 INFO ]: With dead ends: 13 [2018-06-18 14:44:09,207 INFO ]: Without dead ends: 13 [2018-06-18 14:44:09,209 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 [2018-06-18 14:44:09,234 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-18 14:44:09,308 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-18 14:44:09,309 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-18 14:44:09,310 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-18 14:44:09,312 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-18 14:44:09,313 INFO ]: Finished accepts. word is rejected. [2018-06-18 14:44:09,313 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-18 14:44:09,313 INFO ]: Interpolant automaton has 4 states. [2018-06-18 14:44:09,313 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-18 14:44:09,317 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-18 14:44:09,317 INFO ]: Found error trace [2018-06-18 14:44:09,317 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 14:44:09,318 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 14:44:09,318 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-18 14:44:09,318 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 14:44:09,318 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 14:44:09,319 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:44:09,319 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:44:09,319 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:44:09,495 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:44:09,496 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 14:44:11,651 WARN ]: Spent 1.83 s on a formula simplification. DAG size of input: 108 DAG size of output: 60 [2018-06-18 14:44:11,887 WARN ]: Spent 205.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 10 [2018-06-18 14:44:11,999 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-18 14:44:12,000 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-18 14:44:12,000 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) [2018-06-18 14:44:12,032 INFO ]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-18 14:44:12,320 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:44:12,357 INFO ]: Computing forward predicates... [2018-06-18 14:44:18,604 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 14:44:18,634 WARN ]: expecting exponential blowup for input size 11 [2018-06-18 14:44:19,162 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 14:44:19,173 WARN ]: expecting exponential blowup for input size 9 [2018-06-18 14:44:19,414 WARN ]: expecting exponential blowup for input size 11 [2018-06-18 14:44:19,448 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 14:44:19,451 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 14:44:19,455 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 14:44:19,468 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 14:44:19,474 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 14:44:19,476 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 14:44:19,478 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 14:44:19,480 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 14:44:19,486 WARN ]: expecting exponential blowup for input size 11 [2018-06-18 14:44:19,501 WARN ]: expecting exponential blowup for input size 9 [2018-06-18 14:44:19,528 WARN ]: expecting exponential blowup for input size 13 [2018-06-18 14:44:22,045 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 14:44:24,560 WARN ]: Simplifying disjunction of 321336 conjuctions. This might take some time... Received shutdown request... [2018-06-18 14:45:33,634 INFO ]: Timeout while computing interpolants [2018-06-18 14:45:33,838 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-18 14:45:33,838 WARN ]: Verification canceled [2018-06-18 14:45:33,845 WARN ]: Timeout [2018-06-18 14:45:33,845 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.06 02:45:33 BoogieIcfgContainer [2018-06-18 14:45:33,845 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-18 14:45:33,846 INFO ]: Toolchain (without parser) took 86818.79 ms. Allocated memory was 310.4 MB in the beginning and 679.5 MB in the end (delta: 369.1 MB). Free memory was 232.8 MB in the beginning and 193.0 MB in the end (delta: 39.8 MB). Peak memory consumption was 546.4 MB. Max. memory is 3.6 GB. [2018-06-18 14:45:33,849 INFO ]: SmtParser took 0.11 ms. Allocated memory is still 310.4 MB. Free memory is still 275.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-18 14:45:33,849 INFO ]: ChcToBoogie took 194.50 ms. Allocated memory is still 310.4 MB. Free memory was 231.8 MB in the beginning and 224.8 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 3.6 GB. [2018-06-18 14:45:33,859 INFO ]: Boogie Preprocessor took 107.37 ms. Allocated memory is still 310.4 MB. Free memory was 224.8 MB in the beginning and 222.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-18 14:45:33,860 INFO ]: RCFGBuilder took 741.08 ms. Allocated memory was 310.4 MB in the beginning and 325.1 MB in the end (delta: 14.7 MB). Free memory was 222.8 MB in the beginning and 283.3 MB in the end (delta: -60.5 MB). Peak memory consumption was 39.1 MB. Max. memory is 3.6 GB. [2018-06-18 14:45:33,860 INFO ]: TraceAbstraction took 85766.86 ms. Allocated memory was 325.1 MB in the beginning and 679.5 MB in the end (delta: 354.4 MB). Free memory was 283.3 MB in the beginning and 193.0 MB in the end (delta: 90.3 MB). Peak memory consumption was 582.2 MB. Max. memory is 3.6 GB. [2018-06-18 14:45:33,869 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.11 ms. Allocated memory is still 310.4 MB. Free memory is still 275.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 194.50 ms. Allocated memory is still 310.4 MB. Free memory was 231.8 MB in the beginning and 224.8 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 107.37 ms. Allocated memory is still 310.4 MB. Free memory was 224.8 MB in the beginning and 222.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 741.08 ms. Allocated memory was 310.4 MB in the beginning and 325.1 MB in the end (delta: 14.7 MB). Free memory was 222.8 MB in the beginning and 283.3 MB in the end (delta: -60.5 MB). Peak memory consumption was 39.1 MB. Max. memory is 3.6 GB. * TraceAbstraction took 85766.86 ms. Allocated memory was 325.1 MB in the beginning and 679.5 MB in the end (delta: 354.4 MB). Free memory was 283.3 MB in the beginning and 193.0 MB in the end (delta: 90.3 MB). Peak memory consumption was 582.2 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 321336 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 85.6s 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, 0.4s 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_9_e7_1843_e3_5316.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-18_14-45-33-903.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_9_e7_1843_e3_5316.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-18_14-45-33-903.csv Completed graceful shutdown