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_5.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 16:56:05,779 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 16:56:05,781 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 16:56:05,795 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 16:56:05,796 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 16:56:05,799 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 16:56:05,800 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 16:56:05,807 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 16:56:05,809 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 16:56:05,809 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 16:56:05,812 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 16:56:05,812 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 16:56:05,813 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 16:56:05,814 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 16:56:05,817 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 16:56:05,818 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 16:56:05,820 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 16:56:05,832 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 16:56:05,834 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 16:56:05,835 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 16:56:05,836 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 16:56:05,838 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 16:56:05,839 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 16:56:05,839 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 16:56:05,840 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 16:56:05,841 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 16:56:05,847 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 16:56:05,848 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 16:56:05,849 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 16:56:05,849 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 16:56:05,849 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 16:56:05,850 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 16:56:05,850 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 16:56:05,854 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 16:56:05,855 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 16:56:05,855 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 16:56:05,875 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 16:56:05,876 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 16:56:05,877 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 16:56:05,877 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 16:56:05,878 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 16:56:05,878 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 16:56:05,879 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 16:56:05,879 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 16:56:05,879 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 16:56:05,879 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 16:56:05,880 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 16:56:05,880 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 16:56:05,880 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 16:56:05,880 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 16:56:05,880 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 16:56:05,880 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 16:56:05,882 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 16:56:05,882 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 16:56:05,882 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 16:56:05,883 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 16:56:05,884 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 16:56:05,932 INFO ]: Repository-Root is: /tmp [2018-06-22 16:56:05,945 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 16:56:05,949 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 16:56:05,951 INFO ]: Initializing SmtParser... [2018-06-22 16:56:05,952 INFO ]: SmtParser initialized [2018-06-22 16:56:05,952 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_5.smt2 [2018-06-22 16:56:05,953 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 16:56:06,042 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_5.smt2 unknown [2018-06-22 16:56:06,685 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_5.smt2 [2018-06-22 16:56:06,690 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 16:56:06,696 INFO ]: Walking toolchain with 4 elements. [2018-06-22 16:56:06,697 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 16:56:06,697 INFO ]: Initializing ChcToBoogie... [2018-06-22 16:56:06,697 INFO ]: ChcToBoogie initialized [2018-06-22 16:56:06,700 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:56:06" (1/1) ... [2018-06-22 16:56:06,766 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:56:06 Unit [2018-06-22 16:56:06,766 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 16:56:06,767 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 16:56:06,767 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 16:56:06,767 INFO ]: Boogie Preprocessor initialized [2018-06-22 16:56:06,804 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:56:06" (1/1) ... [2018-06-22 16:56:06,805 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:56:06" (1/1) ... [2018-06-22 16:56:06,837 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:56:06" (1/1) ... [2018-06-22 16:56:06,837 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:56:06" (1/1) ... [2018-06-22 16:56:06,849 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:56:06" (1/1) ... [2018-06-22 16:56:06,850 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:56:06" (1/1) ... [2018-06-22 16:56:06,855 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:56:06" (1/1) ... [2018-06-22 16:56:06,860 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 16:56:06,861 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 16:56:06,861 INFO ]: Initializing RCFGBuilder... [2018-06-22 16:56:06,861 INFO ]: RCFGBuilder initialized [2018-06-22 16:56:06,862 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:56:06" (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 16:56:06,882 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 16:56:06,882 INFO ]: Found specification of procedure False [2018-06-22 16:56:06,882 INFO ]: Found implementation of procedure False [2018-06-22 16:56:06,882 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 16:56:06,882 INFO ]: Found specification of procedure state [2018-06-22 16:56:06,882 INFO ]: Found implementation of procedure state [2018-06-22 16:56:06,882 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 16:56:06,882 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 16:56:06,882 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 16:56:07,431 INFO ]: Using library mode [2018-06-22 16:56:07,432 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:56:07 BoogieIcfgContainer [2018-06-22 16:56:07,432 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 16:56:07,433 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 16:56:07,434 INFO ]: Initializing TraceAbstraction... [2018-06-22 16:56:07,438 INFO ]: TraceAbstraction initialized [2018-06-22 16:56:07,438 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:56:06" (1/3) ... [2018-06-22 16:56:07,439 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d85f6d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 04:56:07, skipping insertion in model container [2018-06-22 16:56:07,439 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:56:06" (2/3) ... [2018-06-22 16:56:07,439 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d85f6d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 04:56:07, skipping insertion in model container [2018-06-22 16:56:07,440 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:56:07" (3/3) ... [2018-06-22 16:56:07,441 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 16:56:07,452 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 16:56:07,463 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 16:56:07,512 INFO ]: Using default assertion order modulation [2018-06-22 16:56:07,513 INFO ]: Interprodecural is true [2018-06-22 16:56:07,513 INFO ]: Hoare is false [2018-06-22 16:56:07,513 INFO ]: Compute interpolants for FPandBP [2018-06-22 16:56:07,513 INFO ]: Backedges is TWOTRACK [2018-06-22 16:56:07,513 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 16:56:07,513 INFO ]: Difference is false [2018-06-22 16:56:07,513 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 16:56:07,513 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 16:56:07,531 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 16:56:07,546 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 16:56:07,546 INFO ]: Found error trace [2018-06-22 16:56:07,547 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:56:07,547 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:56:07,553 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 16:56:07,555 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:56:07,555 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:56:07,602 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:56:07,602 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:56:07,602 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:56:07,749 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:56:08,095 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 16:56:08,098 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 16:56:08,098 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 16:56:08,101 INFO ]: Interpolant automaton has 4 states [2018-06-22 16:56:08,116 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 16:56:08,116 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 16:56:08,119 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 16:56:08,283 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 16:56:08,284 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 16:56:08,285 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 16:56:08,286 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 16:56:08,287 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 16:56:08,300 INFO ]: With dead ends: 13 [2018-06-22 16:56:08,301 INFO ]: Without dead ends: 13 [2018-06-22 16:56:08,302 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 16:56:08,319 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 16:56:08,355 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 16:56:08,356 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 16:56:08,357 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 16:56:08,358 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 16:56:08,358 INFO ]: Finished accepts. word is rejected. [2018-06-22 16:56:08,358 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 16:56:08,358 INFO ]: Interpolant automaton has 4 states. [2018-06-22 16:56:08,358 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 16:56:08,360 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 16:56:08,360 INFO ]: Found error trace [2018-06-22 16:56:08,360 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:56:08,360 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:56:08,360 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 16:56:08,360 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:56:08,360 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:56:08,361 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:56:08,361 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:56:08,361 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:56:08,512 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:56:10,044 WARN ]: Spent 1.19 s on a formula simplification. DAG size of input: 142 DAG size of output: 74 [2018-06-22 16:56:10,096 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 16:56:10,096 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 16:56:10,096 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 16:56:10,106 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:56:10,291 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:56:10,306 INFO ]: Computing forward predicates... [2018-06-22 16:56:11,987 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 16:56:12,069 WARN ]: Simplifying disjunction of 5184 conjuctions. This might take some time... [2018-06-22 16:56:14,807 INFO ]: Simplified to disjunction of 5184 conjuctions. [2018-06-22 16:56:14,877 WARN ]: expecting exponential blowup for input size 14 [2018-06-22 16:56:15,071 WARN ]: Simplifying disjunction of 5184 conjuctions. This might take some time... [2018-06-22 16:56:17,745 INFO ]: Simplified to disjunction of 5184 conjuctions. [2018-06-22 16:56:17,793 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 16:56:18,007 WARN ]: Simplifying disjunction of 7776 conjuctions. This might take some time... [2018-06-22 16:56:28,653 INFO ]: Simplified to disjunction of 7776 conjuctions. [2018-06-22 16:56:28,761 WARN ]: Simplifying disjunction of 18144 conjuctions. This might take some time... [2018-06-22 16:56:55,715 INFO ]: Simplified to disjunction of 18144 conjuctions. [2018-06-22 16:56:55,812 WARN ]: expecting exponential blowup for input size 17 [2018-06-22 16:56:56,110 WARN ]: Simplifying disjunction of 20736 conjuctions. This might take some time... Received shutdown request... [2018-06-22 16:57:25,384 INFO ]: Timeout while computing interpolants [2018-06-22 16:57:25,585 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 16:57:25,585 WARN ]: Verification canceled [2018-06-22 16:57:25,589 WARN ]: Timeout [2018-06-22 16:57:25,590 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 04:57:25 BoogieIcfgContainer [2018-06-22 16:57:25,590 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 16:57:25,591 INFO ]: Toolchain (without parser) took 78900.39 ms. Allocated memory was 309.3 MB in the beginning and 455.1 MB in the end (delta: 145.8 MB). Free memory was 232.7 MB in the beginning and 300.4 MB in the end (delta: -67.7 MB). Peak memory consumption was 207.3 MB. Max. memory is 3.6 GB. [2018-06-22 16:57:25,591 INFO ]: SmtParser took 0.06 ms. Allocated memory is still 309.3 MB. Free memory is still 274.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 16:57:25,592 INFO ]: ChcToBoogie took 70.14 ms. Allocated memory is still 309.3 MB. Free memory was 232.7 MB in the beginning and 229.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:57:25,592 INFO ]: Boogie Preprocessor took 93.39 ms. Allocated memory is still 309.3 MB. Free memory was 229.7 MB in the beginning and 227.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:57:25,593 INFO ]: RCFGBuilder took 571.29 ms. Allocated memory was 309.3 MB in the beginning and 328.7 MB in the end (delta: 19.4 MB). Free memory was 227.7 MB in the beginning and 291.5 MB in the end (delta: -63.8 MB). Peak memory consumption was 45.1 MB. Max. memory is 3.6 GB. [2018-06-22 16:57:25,593 INFO ]: TraceAbstraction took 78156.37 ms. Allocated memory was 328.7 MB in the beginning and 455.1 MB in the end (delta: 126.4 MB). Free memory was 291.5 MB in the beginning and 300.4 MB in the end (delta: -8.9 MB). Peak memory consumption was 246.7 MB. Max. memory is 3.6 GB. [2018-06-22 16:57:25,597 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 309.3 MB. Free memory is still 274.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 70.14 ms. Allocated memory is still 309.3 MB. Free memory was 232.7 MB in the beginning and 229.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 93.39 ms. Allocated memory is still 309.3 MB. Free memory was 229.7 MB in the beginning and 227.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 571.29 ms. Allocated memory was 309.3 MB in the beginning and 328.7 MB in the end (delta: 19.4 MB). Free memory was 227.7 MB in the beginning and 291.5 MB in the end (delta: -63.8 MB). Peak memory consumption was 45.1 MB. Max. memory is 3.6 GB. * TraceAbstraction took 78156.37 ms. Allocated memory was 328.7 MB in the beginning and 455.1 MB in the end (delta: 126.4 MB). Free memory was 291.5 MB in the beginning and 300.4 MB in the end (delta: -8.9 MB). Peak memory consumption was 246.7 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 20736 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 78.0s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 11 SDtfs, 1 SDslu, 15 SDs, 0 SdLazy, 6 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s 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_5.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_16-57-25-614.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_5.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_16-57-25-614.csv Completed graceful shutdown