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_4_e7_2329_e3_4574.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 16:48:17,407 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 16:48:17,412 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 16:48:17,427 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 16:48:17,427 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 16:48:17,428 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 16:48:17,429 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 16:48:17,430 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 16:48:17,431 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 16:48:17,432 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 16:48:17,432 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 16:48:17,433 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 16:48:17,433 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 16:48:17,434 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 16:48:17,435 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 16:48:17,436 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 16:48:17,438 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 16:48:17,439 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 16:48:17,441 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 16:48:17,451 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 16:48:17,453 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 16:48:17,455 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 16:48:17,455 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 16:48:17,456 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 16:48:17,456 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 16:48:17,457 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 16:48:17,458 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 16:48:17,459 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 16:48:17,464 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 16:48:17,465 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 16:48:17,465 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 16:48:17,466 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 16:48:17,466 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 16:48:17,467 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 16:48:17,467 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 16:48:17,468 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 16:48:17,483 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 16:48:17,483 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 16:48:17,483 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 16:48:17,484 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 16:48:17,484 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 16:48:17,485 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 16:48:17,487 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 16:48:17,487 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 16:48:17,487 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 16:48:17,488 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 16:48:17,488 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 16:48:17,488 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 16:48:17,488 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 16:48:17,488 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 16:48:17,488 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 16:48:17,489 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 16:48:17,489 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 16:48:17,489 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 16:48:17,489 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 16:48:17,490 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 16:48:17,491 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 16:48:17,546 INFO ]: Repository-Root is: /tmp [2018-06-22 16:48:17,563 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 16:48:17,569 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 16:48:17,571 INFO ]: Initializing SmtParser... [2018-06-22 16:48:17,571 INFO ]: SmtParser initialized [2018-06-22 16:48:17,571 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_4_e7_2329_e3_4574.smt2 [2018-06-22 16:48:17,573 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 16:48:17,657 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_4_e7_2329_e3_4574.smt2 unknown [2018-06-22 16:48:18,321 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_4_e7_2329_e3_4574.smt2 [2018-06-22 16:48:18,325 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 16:48:18,331 INFO ]: Walking toolchain with 4 elements. [2018-06-22 16:48:18,331 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 16:48:18,331 INFO ]: Initializing ChcToBoogie... [2018-06-22 16:48:18,332 INFO ]: ChcToBoogie initialized [2018-06-22 16:48:18,335 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:48:18" (1/1) ... [2018-06-22 16:48:18,397 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:48:18 Unit [2018-06-22 16:48:18,397 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 16:48:18,397 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 16:48:18,398 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 16:48:18,398 INFO ]: Boogie Preprocessor initialized [2018-06-22 16:48:18,430 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:48:18" (1/1) ... [2018-06-22 16:48:18,430 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:48:18" (1/1) ... [2018-06-22 16:48:18,443 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:48:18" (1/1) ... [2018-06-22 16:48:18,444 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:48:18" (1/1) ... [2018-06-22 16:48:18,457 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:48:18" (1/1) ... [2018-06-22 16:48:18,458 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:48:18" (1/1) ... [2018-06-22 16:48:18,462 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:48:18" (1/1) ... [2018-06-22 16:48:18,468 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 16:48:18,469 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 16:48:18,469 INFO ]: Initializing RCFGBuilder... [2018-06-22 16:48:18,469 INFO ]: RCFGBuilder initialized [2018-06-22 16:48:18,470 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:48:18" (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) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 16:48:18,489 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 16:48:18,489 INFO ]: Found specification of procedure False [2018-06-22 16:48:18,489 INFO ]: Found implementation of procedure False [2018-06-22 16:48:18,489 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 16:48:18,489 INFO ]: Found specification of procedure state [2018-06-22 16:48:18,489 INFO ]: Found implementation of procedure state [2018-06-22 16:48:18,489 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 16:48:18,489 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 16:48:18,489 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 16:48:18,934 INFO ]: Using library mode [2018-06-22 16:48:18,935 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:48:18 BoogieIcfgContainer [2018-06-22 16:48:18,935 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 16:48:18,937 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 16:48:18,937 INFO ]: Initializing TraceAbstraction... [2018-06-22 16:48:18,942 INFO ]: TraceAbstraction initialized [2018-06-22 16:48:18,942 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:48:18" (1/3) ... [2018-06-22 16:48:18,943 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44af0132 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 04:48:18, skipping insertion in model container [2018-06-22 16:48:18,943 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:48:18" (2/3) ... [2018-06-22 16:48:18,943 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44af0132 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 04:48:18, skipping insertion in model container [2018-06-22 16:48:18,943 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:48:18" (3/3) ... [2018-06-22 16:48:18,945 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 16:48:18,955 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 16:48:18,966 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 16:48:19,018 INFO ]: Using default assertion order modulation [2018-06-22 16:48:19,019 INFO ]: Interprodecural is true [2018-06-22 16:48:19,019 INFO ]: Hoare is false [2018-06-22 16:48:19,019 INFO ]: Compute interpolants for FPandBP [2018-06-22 16:48:19,019 INFO ]: Backedges is TWOTRACK [2018-06-22 16:48:19,019 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 16:48:19,019 INFO ]: Difference is false [2018-06-22 16:48:19,019 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 16:48:19,019 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 16:48:19,030 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 16:48:19,043 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 16:48:19,043 INFO ]: Found error trace [2018-06-22 16:48:19,044 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:48:19,044 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:48:19,050 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 16:48:19,052 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:48:19,053 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:48:19,091 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:48:19,091 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:48:19,091 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:48:19,196 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:48:19,501 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 16:48:19,503 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 16:48:19,503 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 16:48:19,505 INFO ]: Interpolant automaton has 4 states [2018-06-22 16:48:19,520 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 16:48:19,520 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 16:48:19,524 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 16:48:19,677 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 16:48:19,678 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 16:48:19,679 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 16:48:19,681 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 16:48:19,681 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 16:48:19,694 INFO ]: With dead ends: 13 [2018-06-22 16:48:19,694 INFO ]: Without dead ends: 13 [2018-06-22 16:48:19,696 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 16:48:19,716 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 16:48:19,743 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 16:48:19,744 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 16:48:19,744 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 16:48:19,745 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 16:48:19,745 INFO ]: Finished accepts. word is rejected. [2018-06-22 16:48:19,745 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 16:48:19,745 INFO ]: Interpolant automaton has 4 states. [2018-06-22 16:48:19,745 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 16:48:19,746 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 16:48:19,746 INFO ]: Found error trace [2018-06-22 16:48:19,746 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:48:19,747 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:48:19,747 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 16:48:19,747 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:48:19,747 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:48:19,748 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:48:19,748 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:48:19,748 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:48:19,917 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:48:20,880 WARN ]: Spent 684.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 53 [2018-06-22 16:48:21,011 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 16:48:21,011 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 16:48:21,011 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 16:48:21,022 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:48:21,194 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:48:21,209 INFO ]: Computing forward predicates... [2018-06-22 16:48:27,083 WARN ]: expecting exponential blowup for input size 14 [2018-06-22 16:48:28,811 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 16:48:28,919 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 16:48:29,655 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 16:48:29,850 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:48:29,851 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:48:29,853 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:48:29,861 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:48:29,863 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:48:29,864 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 16:48:29,866 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:48:29,867 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 16:48:29,869 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 16:48:29,871 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 16:48:29,896 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 16:48:29,897 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 16:48:29,900 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 16:48:29,911 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 16:48:29,967 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 16:48:30,125 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 16:48:30,363 WARN ]: Simplifying disjunction of 16296 conjuctions. This might take some time... [2018-06-22 16:49:10,489 INFO ]: Simplified to disjunction of 16296 conjuctions. [2018-06-22 16:49:10,628 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 16:49:11,939 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 16:49:11,947 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 16:49:11,987 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 16:49:13,685 WARN ]: Simplifying disjunction of 21201 conjuctions. This might take some time... Received shutdown request... [2018-06-22 16:49:33,596 INFO ]: Timeout while computing interpolants [2018-06-22 16:49:33,797 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 16:49:33,797 WARN ]: Verification canceled [2018-06-22 16:49:33,802 WARN ]: Timeout [2018-06-22 16:49:33,803 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 04:49:33 BoogieIcfgContainer [2018-06-22 16:49:33,803 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 16:49:33,804 INFO ]: Toolchain (without parser) took 75477.98 ms. Allocated memory was 302.5 MB in the beginning and 733.0 MB in the end (delta: 430.4 MB). Free memory was 225.9 MB in the beginning and 630.3 MB in the end (delta: -404.4 MB). Peak memory consumption was 392.9 MB. Max. memory is 3.6 GB. [2018-06-22 16:49:33,805 INFO ]: SmtParser took 0.06 ms. Allocated memory is still 302.5 MB. Free memory is still 268.0 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 16:49:33,806 INFO ]: ChcToBoogie took 65.69 ms. Allocated memory is still 302.5 MB. Free memory was 225.9 MB in the beginning and 222.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:49:33,806 INFO ]: Boogie Preprocessor took 71.08 ms. Allocated memory is still 302.5 MB. Free memory was 222.9 MB in the beginning and 221.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:49:33,807 INFO ]: RCFGBuilder took 466.09 ms. Allocated memory was 302.5 MB in the beginning and 322.4 MB in the end (delta: 19.9 MB). Free memory was 221.0 MB in the beginning and 283.9 MB in the end (delta: -63.0 MB). Peak memory consumption was 45.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:49:33,807 INFO ]: TraceAbstraction took 74866.23 ms. Allocated memory was 322.4 MB in the beginning and 733.0 MB in the end (delta: 410.5 MB). Free memory was 283.9 MB in the beginning and 630.3 MB in the end (delta: -346.4 MB). Peak memory consumption was 431.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:49:33,821 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.06 ms. Allocated memory is still 302.5 MB. Free memory is still 268.0 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 65.69 ms. Allocated memory is still 302.5 MB. Free memory was 225.9 MB in the beginning and 222.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 71.08 ms. Allocated memory is still 302.5 MB. Free memory was 222.9 MB in the beginning and 221.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 466.09 ms. Allocated memory was 302.5 MB in the beginning and 322.4 MB in the end (delta: 19.9 MB). Free memory was 221.0 MB in the beginning and 283.9 MB in the end (delta: -63.0 MB). Peak memory consumption was 45.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 74866.23 ms. Allocated memory was 322.4 MB in the beginning and 733.0 MB in the end (delta: 410.5 MB). Free memory was 283.9 MB in the beginning and 630.3 MB in the end (delta: -346.4 MB). Peak memory consumption was 431.0 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 21201 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 74.7s 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, 0.3s 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_4_e7_2329_e3_4574.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_16-49-33-832.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_4_e7_2329_e3_4574.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_16-49-33-832.csv Completed graceful shutdown