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_e7_2225.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 17:04:39,635 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 17:04:39,638 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 17:04:39,651 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 17:04:39,651 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 17:04:39,652 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 17:04:39,656 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 17:04:39,658 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 17:04:39,659 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 17:04:39,661 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 17:04:39,662 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 17:04:39,662 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 17:04:39,663 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 17:04:39,664 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 17:04:39,668 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 17:04:39,669 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 17:04:39,672 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 17:04:39,674 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 17:04:39,684 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 17:04:39,685 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 17:04:39,687 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 17:04:39,694 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 17:04:39,694 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 17:04:39,695 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 17:04:39,695 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 17:04:39,696 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 17:04:39,697 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 17:04:39,698 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 17:04:39,699 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 17:04:39,703 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 17:04:39,704 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 17:04:39,705 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 17:04:39,705 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 17:04:39,706 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 17:04:39,706 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 17:04:39,707 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 17:04:39,728 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 17:04:39,728 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 17:04:39,729 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 17:04:39,729 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 17:04:39,733 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 17:04:39,733 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 17:04:39,733 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 17:04:39,733 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 17:04:39,734 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 17:04:39,734 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 17:04:39,734 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 17:04:39,734 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 17:04:39,734 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 17:04:39,735 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 17:04:39,735 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 17:04:39,735 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 17:04:39,735 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 17:04:39,735 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 17:04:39,736 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 17:04:39,738 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 17:04:39,738 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 17:04:39,787 INFO ]: Repository-Root is: /tmp [2018-06-22 17:04:39,803 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 17:04:39,807 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 17:04:39,809 INFO ]: Initializing SmtParser... [2018-06-22 17:04:39,809 INFO ]: SmtParser initialized [2018-06-22 17:04:39,810 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_9_e7_1843_e7_2225.smt2 [2018-06-22 17:04:39,811 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 17:04:39,898 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_9_e7_1843_e7_2225.smt2 unknown [2018-06-22 17:04:40,578 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_9_e7_1843_e7_2225.smt2 [2018-06-22 17:04:40,587 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 17:04:40,602 INFO ]: Walking toolchain with 4 elements. [2018-06-22 17:04:40,603 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 17:04:40,603 INFO ]: Initializing ChcToBoogie... [2018-06-22 17:04:40,603 INFO ]: ChcToBoogie initialized [2018-06-22 17:04:40,616 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:04:40" (1/1) ... [2018-06-22 17:04:40,699 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:04:40 Unit [2018-06-22 17:04:40,699 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 17:04:40,700 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 17:04:40,700 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 17:04:40,700 INFO ]: Boogie Preprocessor initialized [2018-06-22 17:04:40,724 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:04:40" (1/1) ... [2018-06-22 17:04:40,724 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:04:40" (1/1) ... [2018-06-22 17:04:40,754 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:04:40" (1/1) ... [2018-06-22 17:04:40,754 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:04:40" (1/1) ... [2018-06-22 17:04:40,778 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:04:40" (1/1) ... [2018-06-22 17:04:40,779 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:04:40" (1/1) ... [2018-06-22 17:04:40,784 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:04:40" (1/1) ... [2018-06-22 17:04:40,792 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 17:04:40,792 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 17:04:40,792 INFO ]: Initializing RCFGBuilder... [2018-06-22 17:04:40,792 INFO ]: RCFGBuilder initialized [2018-06-22 17:04:40,793 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:04:40" (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 17:04:40,813 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 17:04:40,813 INFO ]: Found specification of procedure False [2018-06-22 17:04:40,814 INFO ]: Found implementation of procedure False [2018-06-22 17:04:40,814 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 17:04:40,814 INFO ]: Found specification of procedure state [2018-06-22 17:04:40,814 INFO ]: Found implementation of procedure state [2018-06-22 17:04:40,814 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 17:04:40,814 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 17:04:40,814 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 17:04:41,333 INFO ]: Using library mode [2018-06-22 17:04:41,334 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:04:41 BoogieIcfgContainer [2018-06-22 17:04:41,334 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 17:04:41,335 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 17:04:41,335 INFO ]: Initializing TraceAbstraction... [2018-06-22 17:04:41,340 INFO ]: TraceAbstraction initialized [2018-06-22 17:04:41,340 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:04:40" (1/3) ... [2018-06-22 17:04:41,341 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c02844f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 05:04:41, skipping insertion in model container [2018-06-22 17:04:41,341 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:04:40" (2/3) ... [2018-06-22 17:04:41,341 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c02844f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 05:04:41, skipping insertion in model container [2018-06-22 17:04:41,341 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:04:41" (3/3) ... [2018-06-22 17:04:41,343 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 17:04:41,353 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 17:04:41,363 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 17:04:41,411 INFO ]: Using default assertion order modulation [2018-06-22 17:04:41,412 INFO ]: Interprodecural is true [2018-06-22 17:04:41,412 INFO ]: Hoare is false [2018-06-22 17:04:41,412 INFO ]: Compute interpolants for FPandBP [2018-06-22 17:04:41,412 INFO ]: Backedges is TWOTRACK [2018-06-22 17:04:41,412 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 17:04:41,412 INFO ]: Difference is false [2018-06-22 17:04:41,412 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 17:04:41,412 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 17:04:41,429 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 17:04:41,443 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 17:04:41,443 INFO ]: Found error trace [2018-06-22 17:04:41,444 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:04:41,444 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:04:41,450 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-22 17:04:41,451 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:04:41,452 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:04:41,498 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:04:41,498 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:04:41,498 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:04:41,634 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:04:41,924 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 17:04:41,926 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 17:04:41,926 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 17:04:41,927 INFO ]: Interpolant automaton has 4 states [2018-06-22 17:04:41,937 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 17:04:41,937 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 17:04:41,939 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 17:04:42,085 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 17:04:42,086 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 17:04:42,087 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 17:04:42,089 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 17:04:42,089 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 17:04:42,103 INFO ]: With dead ends: 13 [2018-06-22 17:04:42,103 INFO ]: Without dead ends: 13 [2018-06-22 17:04:42,105 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 17:04:42,124 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 17:04:42,163 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 17:04:42,164 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 17:04:42,165 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 17:04:42,166 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 17:04:42,166 INFO ]: Finished accepts. word is rejected. [2018-06-22 17:04:42,166 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 17:04:42,166 INFO ]: Interpolant automaton has 4 states. [2018-06-22 17:04:42,167 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 17:04:42,168 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 17:04:42,168 INFO ]: Found error trace [2018-06-22 17:04:42,168 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:04:42,168 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:04:42,168 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-22 17:04:42,168 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:04:42,168 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:04:42,169 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:04:42,169 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:04:42,169 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:04:42,296 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:04:43,549 WARN ]: Spent 949.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 62 [2018-06-22 17:04:43,585 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 17:04:43,585 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 17:04:43,585 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 17:04:43,593 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:04:43,757 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:04:43,771 INFO ]: Computing forward predicates... [2018-06-22 17:04:47,790 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 17:04:47,861 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 17:04:48,098 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 17:04:48,116 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 17:04:48,482 WARN ]: expecting exponential blowup for input size 14 [2018-06-22 17:04:48,750 WARN ]: Simplifying disjunction of 7776 conjuctions. This might take some time... [2018-06-22 17:04:59,123 INFO ]: Simplified to disjunction of 7776 conjuctions. [2018-06-22 17:04:59,284 WARN ]: Simplifying disjunction of 6438 conjuctions. This might take some time... [2018-06-22 17:05:04,337 INFO ]: Simplified to disjunction of 6438 conjuctions. [2018-06-22 17:05:04,492 WARN ]: Simplifying disjunction of 8149 conjuctions. This might take some time... [2018-06-22 17:05:09,256 INFO ]: Simplified to disjunction of 8149 conjuctions. [2018-06-22 17:05:09,290 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 17:05:09,301 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 17:05:09,485 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:05:09,534 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 17:05:09,571 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 17:05:09,608 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 17:05:10,103 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 17:05:10,168 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 17:05:10,319 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:05:10,329 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 17:05:10,358 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 17:05:13,217 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 17:05:13,228 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 17:05:13,255 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 17:05:13,273 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 17:05:13,676 WARN ]: expecting exponential blowup for input size 14 [2018-06-22 17:05:13,804 WARN ]: Simplifying disjunction of 15552 conjuctions. This might take some time... Received shutdown request... [2018-06-22 17:05:49,823 INFO ]: Timeout while computing interpolants [2018-06-22 17:05:50,023 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 17:05:50,023 WARN ]: Verification canceled [2018-06-22 17:05:50,031 WARN ]: Timeout [2018-06-22 17:05:50,032 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 05:05:50 BoogieIcfgContainer [2018-06-22 17:05:50,032 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 17:05:50,032 INFO ]: Toolchain (without parser) took 69445.16 ms. Allocated memory was 301.5 MB in the beginning and 613.4 MB in the end (delta: 312.0 MB). Free memory was 222.0 MB in the beginning and 210.4 MB in the end (delta: 11.6 MB). Peak memory consumption was 370.2 MB. Max. memory is 3.6 GB. [2018-06-22 17:05:50,034 INFO ]: SmtParser took 0.06 ms. Allocated memory is still 301.5 MB. Free memory is still 266.0 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 17:05:50,034 INFO ]: ChcToBoogie took 96.46 ms. Allocated memory is still 301.5 MB. Free memory was 222.0 MB in the beginning and 220.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:05:50,035 INFO ]: Boogie Preprocessor took 92.22 ms. Allocated memory is still 301.5 MB. Free memory was 220.0 MB in the beginning and 216.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:05:50,035 INFO ]: RCFGBuilder took 541.80 ms. Allocated memory was 301.5 MB in the beginning and 324.5 MB in the end (delta: 23.1 MB). Free memory was 216.0 MB in the beginning and 285.8 MB in the end (delta: -69.9 MB). Peak memory consumption was 41.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:05:50,036 INFO ]: TraceAbstraction took 68696.41 ms. Allocated memory was 324.5 MB in the beginning and 613.4 MB in the end (delta: 288.9 MB). Free memory was 285.8 MB in the beginning and 210.4 MB in the end (delta: 75.5 MB). Peak memory consumption was 411.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:05:50,059 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 301.5 MB. Free memory is still 266.0 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 96.46 ms. Allocated memory is still 301.5 MB. Free memory was 222.0 MB in the beginning and 220.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 92.22 ms. Allocated memory is still 301.5 MB. Free memory was 220.0 MB in the beginning and 216.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 541.80 ms. Allocated memory was 301.5 MB in the beginning and 324.5 MB in the end (delta: 23.1 MB). Free memory was 216.0 MB in the beginning and 285.8 MB in the end (delta: -69.9 MB). Peak memory consumption was 41.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 68696.41 ms. Allocated memory was 324.5 MB in the beginning and 613.4 MB in the end (delta: 288.9 MB). Free memory was 285.8 MB in the beginning and 210.4 MB in the end (delta: 75.5 MB). Peak memory consumption was 411.0 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 15552 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 68.6s 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, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 72 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_9_e7_1843_e7_2225.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_17-05-50-088.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_9_e7_1843_e7_2225.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_17-05-50-088.csv Completed graceful shutdown