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_9_e7_1843_e1_5434.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 17:03:12,128 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 17:03:12,130 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 17:03:12,145 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 17:03:12,145 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 17:03:12,146 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 17:03:12,147 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 17:03:12,150 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 17:03:12,152 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 17:03:12,154 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 17:03:12,155 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 17:03:12,155 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 17:03:12,156 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 17:03:12,159 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 17:03:12,160 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 17:03:12,169 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 17:03:12,171 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 17:03:12,172 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 17:03:12,173 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 17:03:12,174 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 17:03:12,175 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 17:03:12,180 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 17:03:12,180 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 17:03:12,180 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 17:03:12,181 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 17:03:12,184 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 17:03:12,185 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 17:03:12,186 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 17:03:12,187 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 17:03:12,187 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 17:03:12,188 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 17:03:12,188 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 17:03:12,189 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 17:03:12,189 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 17:03:12,190 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 17:03:12,190 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_No_Goto.epf [2018-06-22 17:03:12,203 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 17:03:12,203 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 17:03:12,203 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 17:03:12,204 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 17:03:12,205 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 17:03:12,205 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 17:03:12,205 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 17:03:12,205 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 17:03:12,205 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 17:03:12,206 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 17:03:12,206 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 17:03:12,206 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 17:03:12,206 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 17:03:12,206 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 17:03:12,206 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 17:03:12,207 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 17:03:12,207 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 17:03:12,207 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 17:03:12,207 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 17:03:12,209 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 17:03:12,211 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 17:03:12,252 INFO ]: Repository-Root is: /tmp [2018-06-22 17:03:12,264 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 17:03:12,268 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 17:03:12,269 INFO ]: Initializing SmtParser... [2018-06-22 17:03:12,269 INFO ]: SmtParser initialized [2018-06-22 17:03:12,271 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_9_e7_1843_e1_5434.smt2 [2018-06-22 17:03:12,272 INFO ]: Parsing .smt2 file as a set of Horn Clauses No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-06-22 17:03:12,362 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_9_e7_1843_e1_5434.smt2 unknown [2018-06-22 17:03:13,010 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_9_e7_1843_e1_5434.smt2 [2018-06-22 17:03:13,023 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 17:03:13,040 INFO ]: Walking toolchain with 4 elements. [2018-06-22 17:03:13,041 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 17:03:13,041 INFO ]: Initializing ChcToBoogie... [2018-06-22 17:03:13,041 INFO ]: ChcToBoogie initialized [2018-06-22 17:03:13,044 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:03:13" (1/1) ... [2018-06-22 17:03:13,146 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:03:13 Unit [2018-06-22 17:03:13,147 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 17:03:13,147 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 17:03:13,147 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 17:03:13,147 INFO ]: Boogie Preprocessor initialized [2018-06-22 17:03:13,167 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:03:13" (1/1) ... [2018-06-22 17:03:13,167 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:03:13" (1/1) ... [2018-06-22 17:03:13,181 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:03:13" (1/1) ... [2018-06-22 17:03:13,182 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:03:13" (1/1) ... [2018-06-22 17:03:13,195 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:03:13" (1/1) ... [2018-06-22 17:03:13,197 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:03:13" (1/1) ... [2018-06-22 17:03:13,201 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:03:13" (1/1) ... [2018-06-22 17:03:13,208 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 17:03:13,208 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 17:03:13,208 INFO ]: Initializing RCFGBuilder... [2018-06-22 17:03:13,208 INFO ]: RCFGBuilder initialized [2018-06-22 17:03:13,209 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:03:13" (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 17:03:13,224 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 17:03:13,224 INFO ]: Found specification of procedure False [2018-06-22 17:03:13,224 INFO ]: Found implementation of procedure False [2018-06-22 17:03:13,224 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 17:03:13,224 INFO ]: Found specification of procedure state [2018-06-22 17:03:13,224 INFO ]: Found implementation of procedure state [2018-06-22 17:03:13,225 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 17:03:13,225 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 17:03:13,225 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 17:03:13,705 INFO ]: Using library mode [2018-06-22 17:03:13,705 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:03:13 BoogieIcfgContainer [2018-06-22 17:03:13,705 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 17:03:13,707 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 17:03:13,707 INFO ]: Initializing TraceAbstraction... [2018-06-22 17:03:13,712 INFO ]: TraceAbstraction initialized [2018-06-22 17:03:13,712 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:03:13" (1/3) ... [2018-06-22 17:03:13,713 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@96c8e9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 05:03:13, skipping insertion in model container [2018-06-22 17:03:13,713 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:03:13" (2/3) ... [2018-06-22 17:03:13,713 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@96c8e9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 05:03:13, skipping insertion in model container [2018-06-22 17:03:13,713 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:03:13" (3/3) ... [2018-06-22 17:03:13,716 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 17:03:13,725 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 17:03:13,735 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 17:03:13,781 INFO ]: Using default assertion order modulation [2018-06-22 17:03:13,781 INFO ]: Interprodecural is true [2018-06-22 17:03:13,781 INFO ]: Hoare is false [2018-06-22 17:03:13,781 INFO ]: Compute interpolants for FPandBP [2018-06-22 17:03:13,781 INFO ]: Backedges is TWOTRACK [2018-06-22 17:03:13,781 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 17:03:13,781 INFO ]: Difference is false [2018-06-22 17:03:13,781 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 17:03:13,781 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 17:03:13,795 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 17:03:13,810 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 17:03:13,810 INFO ]: Found error trace [2018-06-22 17:03:13,811 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:03:13,811 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:03:13,816 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 17:03:13,818 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:03:13,819 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:03:13,855 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:03:13,855 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:03:13,855 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:03:13,946 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:03:14,225 WARN ]: Spent 104.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 1 [2018-06-22 17:03:14,227 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 17:03:14,230 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 17:03:14,230 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 17:03:14,232 INFO ]: Interpolant automaton has 4 states [2018-06-22 17:03:14,247 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 17:03:14,247 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 17:03:14,250 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 17:03:14,399 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 17:03:14,399 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 17:03:14,401 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 17:03:14,403 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 17:03:14,403 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 17:03:14,417 INFO ]: With dead ends: 13 [2018-06-22 17:03:14,417 INFO ]: Without dead ends: 13 [2018-06-22 17:03:14,419 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 17:03:14,436 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 17:03:14,470 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 17:03:14,471 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 17:03:14,472 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 17:03:14,474 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 17:03:14,474 INFO ]: Finished accepts. word is rejected. [2018-06-22 17:03:14,474 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 17:03:14,474 INFO ]: Interpolant automaton has 4 states. [2018-06-22 17:03:14,474 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 17:03:14,475 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 17:03:14,475 INFO ]: Found error trace [2018-06-22 17:03:14,475 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:03:14,475 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:03:14,476 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 17:03:14,476 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:03:14,476 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:03:14,476 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:03:14,477 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:03:14,477 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:03:14,610 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:03:16,137 WARN ]: Spent 1.23 s on a formula simplification. DAG size of input: 125 DAG size of output: 62 [2018-06-22 17:03:16,171 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 17:03:16,171 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 17:03:16,171 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 17:03:16,180 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:03:16,350 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:03:16,365 INFO ]: Computing forward predicates... [2018-06-22 17:03:23,916 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 17:03:24,606 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 17:03:25,165 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 17:03:25,740 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 17:03:26,190 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 17:03:26,769 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:03:26,810 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:03:26,849 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:03:26,904 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 17:03:27,118 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:03:27,162 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:03:27,226 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:03:27,268 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 17:03:27,452 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:03:27,514 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:03:27,597 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:03:27,650 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:03:28,206 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 17:03:29,997 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:03:30,271 WARN ]: Simplifying disjunction of 90720 conjuctions. This might take some time... Received shutdown request... [2018-06-22 17:04:27,208 INFO ]: Timeout while computing interpolants [2018-06-22 17:04:27,409 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 17:04:27,409 WARN ]: Verification canceled [2018-06-22 17:04:27,412 WARN ]: Timeout [2018-06-22 17:04:27,412 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 05:04:27 BoogieIcfgContainer [2018-06-22 17:04:27,412 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 17:04:27,413 INFO ]: Toolchain (without parser) took 74389.63 ms. Allocated memory was 304.6 MB in the beginning and 733.5 MB in the end (delta: 428.9 MB). Free memory was 228.1 MB in the beginning and 441.4 MB in the end (delta: -213.3 MB). Peak memory consumption was 515.4 MB. Max. memory is 3.6 GB. [2018-06-22 17:04:27,414 INFO ]: SmtParser took 0.10 ms. Allocated memory is still 304.6 MB. Free memory is still 270.1 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 17:04:27,414 INFO ]: ChcToBoogie took 106.02 ms. Allocated memory is still 304.6 MB. Free memory was 228.1 MB in the beginning and 225.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:04:27,424 INFO ]: Boogie Preprocessor took 60.36 ms. Allocated memory is still 304.6 MB. Free memory was 225.1 MB in the beginning and 223.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:04:27,425 INFO ]: RCFGBuilder took 497.18 ms. Allocated memory was 304.6 MB in the beginning and 324.0 MB in the end (delta: 19.4 MB). Free memory was 223.1 MB in the beginning and 287.7 MB in the end (delta: -64.6 MB). Peak memory consumption was 45.2 MB. Max. memory is 3.6 GB. [2018-06-22 17:04:27,425 INFO ]: TraceAbstraction took 73705.12 ms. Allocated memory was 324.0 MB in the beginning and 733.5 MB in the end (delta: 409.5 MB). Free memory was 287.7 MB in the beginning and 441.4 MB in the end (delta: -153.7 MB). Peak memory consumption was 555.6 MB. Max. memory is 3.6 GB. [2018-06-22 17:04:27,429 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.10 ms. Allocated memory is still 304.6 MB. Free memory is still 270.1 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 106.02 ms. Allocated memory is still 304.6 MB. Free memory was 228.1 MB in the beginning and 225.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 60.36 ms. Allocated memory is still 304.6 MB. Free memory was 225.1 MB in the beginning and 223.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 497.18 ms. Allocated memory was 304.6 MB in the beginning and 324.0 MB in the end (delta: 19.4 MB). Free memory was 223.1 MB in the beginning and 287.7 MB in the end (delta: -64.6 MB). Peak memory consumption was 45.2 MB. Max. memory is 3.6 GB. * TraceAbstraction took 73705.12 ms. Allocated memory was 324.0 MB in the beginning and 733.5 MB in the end (delta: 409.5 MB). Free memory was 287.7 MB in the beginning and 441.4 MB in the end (delta: -153.7 MB). Peak memory consumption was 555.6 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 90720 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 73.6s 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, 0.0s 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_9_e7_1843_e1_5434.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_17-04-27-441.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_9_e7_1843_e1_5434.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_17-04-27-441.csv Completed graceful shutdown