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_10_e3_3429.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 16:13:53,455 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 16:13:53,456 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 16:13:53,470 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 16:13:53,470 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 16:13:53,472 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 16:13:53,473 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 16:13:53,475 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 16:13:53,476 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 16:13:53,477 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 16:13:53,477 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 16:13:53,478 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 16:13:53,478 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 16:13:53,481 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 16:13:53,482 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 16:13:53,483 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 16:13:53,488 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 16:13:53,490 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 16:13:53,492 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 16:13:53,493 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 16:13:53,494 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 16:13:53,496 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 16:13:53,497 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 16:13:53,497 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 16:13:53,498 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 16:13:53,499 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 16:13:53,499 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 16:13:53,500 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 16:13:53,507 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 16:13:53,508 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 16:13:53,508 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 16:13:53,509 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 16:13:53,509 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 16:13:53,510 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 16:13:53,510 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 16:13:53,511 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 16:13:53,533 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 16:13:53,533 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 16:13:53,533 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 16:13:53,534 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 16:13:53,535 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 16:13:53,538 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 16:13:53,538 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 16:13:53,539 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 16:13:53,539 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 16:13:53,539 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 16:13:53,539 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 16:13:53,539 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 16:13:53,540 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 16:13:53,540 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 16:13:53,540 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 16:13:53,540 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 16:13:53,540 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 16:13:53,540 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 16:13:53,540 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 16:13:53,542 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 16:13:53,543 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 16:13:53,596 INFO ]: Repository-Root is: /tmp [2018-06-22 16:13:53,614 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 16:13:53,620 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 16:13:53,621 INFO ]: Initializing SmtParser... [2018-06-22 16:13:53,621 INFO ]: SmtParser initialized [2018-06-22 16:13:53,622 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_10_e3_3429.smt2 [2018-06-22 16:13:53,623 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 16:13:53,710 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_10_e3_3429.smt2 unknown [2018-06-22 16:13:54,452 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_10_e3_3429.smt2 [2018-06-22 16:13:54,456 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 16:13:54,462 INFO ]: Walking toolchain with 4 elements. [2018-06-22 16:13:54,462 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 16:13:54,462 INFO ]: Initializing ChcToBoogie... [2018-06-22 16:13:54,463 INFO ]: ChcToBoogie initialized [2018-06-22 16:13:54,466 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:13:54" (1/1) ... [2018-06-22 16:13:54,535 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:13:54 Unit [2018-06-22 16:13:54,535 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 16:13:54,536 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 16:13:54,536 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 16:13:54,536 INFO ]: Boogie Preprocessor initialized [2018-06-22 16:13:54,559 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:13:54" (1/1) ... [2018-06-22 16:13:54,560 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:13:54" (1/1) ... [2018-06-22 16:13:54,573 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:13:54" (1/1) ... [2018-06-22 16:13:54,574 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:13:54" (1/1) ... [2018-06-22 16:13:54,591 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:13:54" (1/1) ... [2018-06-22 16:13:54,592 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:13:54" (1/1) ... [2018-06-22 16:13:54,597 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:13:54" (1/1) ... [2018-06-22 16:13:54,612 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 16:13:54,612 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 16:13:54,612 INFO ]: Initializing RCFGBuilder... [2018-06-22 16:13:54,612 INFO ]: RCFGBuilder initialized [2018-06-22 16:13:54,613 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:13:54" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 16:13:54,625 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 16:13:54,626 INFO ]: Found specification of procedure False [2018-06-22 16:13:54,626 INFO ]: Found implementation of procedure False [2018-06-22 16:13:54,626 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 16:13:54,626 INFO ]: Found specification of procedure state [2018-06-22 16:13:54,626 INFO ]: Found implementation of procedure state [2018-06-22 16:13:54,626 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 16:13:54,626 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 16:13:54,626 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 16:13:55,227 INFO ]: Using library mode [2018-06-22 16:13:55,228 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:13:55 BoogieIcfgContainer [2018-06-22 16:13:55,228 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 16:13:55,229 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 16:13:55,229 INFO ]: Initializing TraceAbstraction... [2018-06-22 16:13:55,234 INFO ]: TraceAbstraction initialized [2018-06-22 16:13:55,234 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:13:54" (1/3) ... [2018-06-22 16:13:55,235 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fccb30e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 04:13:55, skipping insertion in model container [2018-06-22 16:13:55,235 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:13:54" (2/3) ... [2018-06-22 16:13:55,235 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fccb30e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 04:13:55, skipping insertion in model container [2018-06-22 16:13:55,235 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:13:55" (3/3) ... [2018-06-22 16:13:55,238 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 16:13:55,246 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 16:13:55,256 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 16:13:55,306 INFO ]: Using default assertion order modulation [2018-06-22 16:13:55,307 INFO ]: Interprodecural is true [2018-06-22 16:13:55,307 INFO ]: Hoare is false [2018-06-22 16:13:55,307 INFO ]: Compute interpolants for FPandBP [2018-06-22 16:13:55,307 INFO ]: Backedges is TWOTRACK [2018-06-22 16:13:55,307 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 16:13:55,307 INFO ]: Difference is false [2018-06-22 16:13:55,307 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 16:13:55,307 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 16:13:55,323 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 16:13:55,334 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 16:13:55,334 INFO ]: Found error trace [2018-06-22 16:13:55,335 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:13:55,336 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:13:55,341 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 16:13:55,343 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:13:55,343 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:13:55,391 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:13:55,391 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:13:55,391 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:13:55,528 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:13:55,862 WARN ]: Spent 108.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 1 [2018-06-22 16:13:55,864 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 16:13:55,866 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 16:13:55,866 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 16:13:55,867 INFO ]: Interpolant automaton has 4 states [2018-06-22 16:13:55,879 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 16:13:55,879 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 16:13:55,881 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 16:13:56,008 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 16:13:56,009 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 16:13:56,009 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 16:13:56,011 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 16:13:56,011 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 16:13:56,023 INFO ]: With dead ends: 13 [2018-06-22 16:13:56,023 INFO ]: Without dead ends: 13 [2018-06-22 16:13:56,024 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 [2018-06-22 16:13:56,039 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 16:13:56,076 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 16:13:56,077 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 16:13:56,078 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 16:13:56,080 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 16:13:56,080 INFO ]: Finished accepts. word is rejected. [2018-06-22 16:13:56,080 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 16:13:56,080 INFO ]: Interpolant automaton has 4 states. [2018-06-22 16:13:56,080 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 16:13:56,082 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 16:13:56,082 INFO ]: Found error trace [2018-06-22 16:13:56,082 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:13:56,082 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:13:56,082 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 16:13:56,082 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:13:56,082 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:13:56,084 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:13:56,084 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:13:56,084 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:13:56,206 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:13:57,528 WARN ]: Spent 992.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 44 [2018-06-22 16:13:57,778 WARN ]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-06-22 16:13:57,929 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 16:13:57,929 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 16:13:57,929 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 16:13:57,938 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:13:58,100 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:13:58,114 INFO ]: Computing forward predicates... [2018-06-22 16:14:13,142 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 16:14:13,735 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:14:14,140 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 16:14:14,591 WARN ]: Simplifying disjunction of 15520 conjuctions. This might take some time... [2018-06-22 16:14:28,203 INFO ]: Simplified to disjunction of 15520 conjuctions. [2018-06-22 16:14:28,275 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 16:14:28,452 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 16:14:28,468 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 16:14:28,524 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 16:14:28,585 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 16:14:29,716 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 16:14:29,814 WARN ]: Simplifying disjunction of 34210 conjuctions. This might take some time... Received shutdown request... [2018-06-22 16:15:03,315 INFO ]: Timeout while computing interpolants [2018-06-22 16:15:03,516 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 16:15:03,516 WARN ]: Verification canceled [2018-06-22 16:15:03,519 WARN ]: Timeout [2018-06-22 16:15:03,519 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 04:15:03 BoogieIcfgContainer [2018-06-22 16:15:03,519 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 16:15:03,520 INFO ]: Toolchain (without parser) took 69063.88 ms. Allocated memory was 300.4 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 222.9 MB in the beginning and 278.2 MB in the end (delta: -55.3 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 16:15:03,521 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 300.4 MB. Free memory is still 264.9 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 16:15:03,522 INFO ]: ChcToBoogie took 72.96 ms. Allocated memory is still 300.4 MB. Free memory was 222.9 MB in the beginning and 220.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:15:03,522 INFO ]: Boogie Preprocessor took 76.14 ms. Allocated memory is still 300.4 MB. Free memory was 220.9 MB in the beginning and 218.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:15:03,522 INFO ]: RCFGBuilder took 615.74 ms. Allocated memory was 300.4 MB in the beginning and 322.4 MB in the end (delta: 22.0 MB). Free memory was 218.9 MB in the beginning and 285.9 MB in the end (delta: -67.0 MB). Peak memory consumption was 45.2 MB. Max. memory is 3.6 GB. [2018-06-22 16:15:03,523 INFO ]: TraceAbstraction took 68290.07 ms. Allocated memory was 322.4 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 285.9 MB in the beginning and 278.2 MB in the end (delta: 7.7 MB). Peak memory consumption was 1.4 GB. Max. memory is 3.6 GB. [2018-06-22 16:15:03,535 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.07 ms. Allocated memory is still 300.4 MB. Free memory is still 264.9 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 72.96 ms. Allocated memory is still 300.4 MB. Free memory was 222.9 MB in the beginning and 220.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 76.14 ms. Allocated memory is still 300.4 MB. Free memory was 220.9 MB in the beginning and 218.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 615.74 ms. Allocated memory was 300.4 MB in the beginning and 322.4 MB in the end (delta: 22.0 MB). Free memory was 218.9 MB in the beginning and 285.9 MB in the end (delta: -67.0 MB). Peak memory consumption was 45.2 MB. Max. memory is 3.6 GB. * TraceAbstraction took 68290.07 ms. Allocated memory was 322.4 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 285.9 MB in the beginning and 278.2 MB in the end (delta: 7.7 MB). Peak memory consumption was 1.4 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 34210 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 68.2s 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, 0.2s 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, 0.3s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 72 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_10_e3_3429.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_16-15-03-550.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_10_e3_3429.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_16-15-03-550.csv Completed graceful shutdown