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_e2_3018_e2_936.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 16:51:24,831 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 16:51:24,833 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 16:51:24,845 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 16:51:24,845 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 16:51:24,846 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 16:51:24,847 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 16:51:24,851 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 16:51:24,853 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 16:51:24,853 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 16:51:24,856 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 16:51:24,856 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 16:51:24,857 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 16:51:24,858 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 16:51:24,861 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 16:51:24,862 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 16:51:24,863 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 16:51:24,877 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 16:51:24,878 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 16:51:24,879 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 16:51:24,880 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 16:51:24,882 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 16:51:24,883 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 16:51:24,883 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 16:51:24,884 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 16:51:24,884 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 16:51:24,887 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 16:51:24,888 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 16:51:24,889 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 16:51:24,889 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 16:51:24,889 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 16:51:24,890 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 16:51:24,890 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 16:51:24,891 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 16:51:24,892 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 16:51:24,892 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 16:51:24,913 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 16:51:24,913 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 16:51:24,914 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 16:51:24,914 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 16:51:24,915 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 16:51:24,915 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 16:51:24,915 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 16:51:24,916 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 16:51:24,916 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 16:51:24,916 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 16:51:24,916 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 16:51:24,917 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 16:51:24,917 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 16:51:24,917 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 16:51:24,917 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 16:51:24,917 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 16:51:24,918 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 16:51:24,918 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 16:51:24,918 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 16:51:24,919 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 16:51:24,919 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 16:51:24,953 INFO ]: Repository-Root is: /tmp [2018-06-22 16:51:24,967 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 16:51:24,972 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 16:51:24,974 INFO ]: Initializing SmtParser... [2018-06-22 16:51:24,974 INFO ]: SmtParser initialized [2018-06-22 16:51:24,975 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_5_e2_3018_e2_936.smt2 [2018-06-22 16:51:24,977 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 16:51:25,069 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_5_e2_3018_e2_936.smt2 unknown [2018-06-22 16:51:25,697 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_5_e2_3018_e2_936.smt2 [2018-06-22 16:51:25,702 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 16:51:25,707 INFO ]: Walking toolchain with 4 elements. [2018-06-22 16:51:25,707 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 16:51:25,707 INFO ]: Initializing ChcToBoogie... [2018-06-22 16:51:25,707 INFO ]: ChcToBoogie initialized [2018-06-22 16:51:25,711 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:51:25" (1/1) ... [2018-06-22 16:51:25,781 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:51:25 Unit [2018-06-22 16:51:25,782 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 16:51:25,782 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 16:51:25,782 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 16:51:25,782 INFO ]: Boogie Preprocessor initialized [2018-06-22 16:51:25,812 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:51:25" (1/1) ... [2018-06-22 16:51:25,812 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:51:25" (1/1) ... [2018-06-22 16:51:25,831 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:51:25" (1/1) ... [2018-06-22 16:51:25,831 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:51:25" (1/1) ... [2018-06-22 16:51:25,845 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:51:25" (1/1) ... [2018-06-22 16:51:25,847 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:51:25" (1/1) ... [2018-06-22 16:51:25,850 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:51:25" (1/1) ... [2018-06-22 16:51:25,858 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 16:51:25,858 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 16:51:25,858 INFO ]: Initializing RCFGBuilder... [2018-06-22 16:51:25,858 INFO ]: RCFGBuilder initialized [2018-06-22 16:51:25,859 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:51:25" (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 16:51:25,874 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 16:51:25,874 INFO ]: Found specification of procedure False [2018-06-22 16:51:25,874 INFO ]: Found implementation of procedure False [2018-06-22 16:51:25,874 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 16:51:25,874 INFO ]: Found specification of procedure state [2018-06-22 16:51:25,874 INFO ]: Found implementation of procedure state [2018-06-22 16:51:25,874 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 16:51:25,874 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 16:51:25,874 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 16:51:26,334 INFO ]: Using library mode [2018-06-22 16:51:26,335 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:51:26 BoogieIcfgContainer [2018-06-22 16:51:26,335 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 16:51:26,336 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 16:51:26,336 INFO ]: Initializing TraceAbstraction... [2018-06-22 16:51:26,342 INFO ]: TraceAbstraction initialized [2018-06-22 16:51:26,342 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:51:25" (1/3) ... [2018-06-22 16:51:26,343 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e2d3da0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 04:51:26, skipping insertion in model container [2018-06-22 16:51:26,343 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:51:25" (2/3) ... [2018-06-22 16:51:26,343 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e2d3da0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 04:51:26, skipping insertion in model container [2018-06-22 16:51:26,343 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:51:26" (3/3) ... [2018-06-22 16:51:26,346 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 16:51:26,356 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 16:51:26,366 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 16:51:26,421 INFO ]: Using default assertion order modulation [2018-06-22 16:51:26,421 INFO ]: Interprodecural is true [2018-06-22 16:51:26,421 INFO ]: Hoare is false [2018-06-22 16:51:26,421 INFO ]: Compute interpolants for FPandBP [2018-06-22 16:51:26,421 INFO ]: Backedges is TWOTRACK [2018-06-22 16:51:26,421 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 16:51:26,421 INFO ]: Difference is false [2018-06-22 16:51:26,421 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 16:51:26,421 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 16:51:26,439 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 16:51:26,454 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 16:51:26,454 INFO ]: Found error trace [2018-06-22 16:51:26,455 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:51:26,455 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:51:26,461 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 16:51:26,463 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:51:26,463 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:51:26,511 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:51:26,511 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:51:26,511 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:51:26,646 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:51:26,993 WARN ]: Spent 104.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 1 [2018-06-22 16:51:26,996 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 16:51:26,998 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 16:51:26,998 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 16:51:27,000 INFO ]: Interpolant automaton has 4 states [2018-06-22 16:51:27,014 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 16:51:27,015 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 16:51:27,018 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 16:51:27,179 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 16:51:27,179 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 16:51:27,180 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 16:51:27,182 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 16:51:27,182 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 16:51:27,198 INFO ]: With dead ends: 13 [2018-06-22 16:51:27,198 INFO ]: Without dead ends: 13 [2018-06-22 16:51:27,200 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 16:51:27,223 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 16:51:27,263 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 16:51:27,264 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 16:51:27,265 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 16:51:27,267 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 16:51:27,268 INFO ]: Finished accepts. word is rejected. [2018-06-22 16:51:27,268 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 16:51:27,268 INFO ]: Interpolant automaton has 4 states. [2018-06-22 16:51:27,268 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 16:51:27,269 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 16:51:27,269 INFO ]: Found error trace [2018-06-22 16:51:27,269 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:51:27,269 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:51:27,269 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 16:51:27,269 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:51:27,270 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:51:27,271 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:51:27,271 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:51:27,271 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:51:27,389 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:51:28,804 WARN ]: Spent 1.09 s on a formula simplification. DAG size of input: 105 DAG size of output: 70 [2018-06-22 16:51:28,851 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 16:51:28,851 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 16:51:28,851 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 16:51:28,859 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:51:29,034 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:51:29,050 INFO ]: Computing forward predicates... [2018-06-22 16:51:30,512 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 16:51:30,649 WARN ]: Simplifying disjunction of 5184 conjuctions. This might take some time... [2018-06-22 16:51:32,792 INFO ]: Simplified to disjunction of 5184 conjuctions. [2018-06-22 16:51:32,871 WARN ]: expecting exponential blowup for input size 14 [2018-06-22 16:51:33,051 WARN ]: Simplifying disjunction of 5184 conjuctions. This might take some time... [2018-06-22 16:51:35,665 INFO ]: Simplified to disjunction of 5184 conjuctions. [2018-06-22 16:51:35,727 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 16:51:35,998 WARN ]: Simplifying disjunction of 7776 conjuctions. This might take some time... [2018-06-22 16:51:41,995 INFO ]: Simplified to disjunction of 7776 conjuctions. [2018-06-22 16:51:42,080 WARN ]: Simplifying disjunction of 18144 conjuctions. This might take some time... [2018-06-22 16:52:02,580 INFO ]: Simplified to disjunction of 18144 conjuctions. [2018-06-22 16:52:02,670 WARN ]: expecting exponential blowup for input size 17 [2018-06-22 16:52:02,796 WARN ]: Simplifying disjunction of 20736 conjuctions. This might take some time... Received shutdown request... [2018-06-22 16:52:44,361 INFO ]: Timeout while computing interpolants [2018-06-22 16:52:44,561 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 16:52:44,562 WARN ]: Verification canceled [2018-06-22 16:52:44,565 WARN ]: Timeout [2018-06-22 16:52:44,565 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 04:52:44 BoogieIcfgContainer [2018-06-22 16:52:44,566 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 16:52:44,566 INFO ]: Toolchain (without parser) took 78864.31 ms. Allocated memory was 308.8 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 232.4 MB in the beginning and 798.7 MB in the end (delta: -566.2 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 16:52:44,567 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 308.8 MB. Free memory is still 274.4 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 16:52:44,567 INFO ]: ChcToBoogie took 74.65 ms. Allocated memory is still 308.8 MB. Free memory was 232.4 MB in the beginning and 229.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:52:44,568 INFO ]: Boogie Preprocessor took 75.42 ms. Allocated memory is still 308.8 MB. Free memory was 229.4 MB in the beginning and 227.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:52:44,568 INFO ]: RCFGBuilder took 476.72 ms. Allocated memory was 308.8 MB in the beginning and 326.1 MB in the end (delta: 17.3 MB). Free memory was 227.4 MB in the beginning and 290.1 MB in the end (delta: -62.7 MB). Peak memory consumption was 45.2 MB. Max. memory is 3.6 GB. [2018-06-22 16:52:44,569 INFO ]: TraceAbstraction took 78229.20 ms. Allocated memory was 326.1 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 290.1 MB in the beginning and 798.7 MB in the end (delta: -508.6 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 16:52:44,571 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.08 ms. Allocated memory is still 308.8 MB. Free memory is still 274.4 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 74.65 ms. Allocated memory is still 308.8 MB. Free memory was 232.4 MB in the beginning and 229.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 75.42 ms. Allocated memory is still 308.8 MB. Free memory was 229.4 MB in the beginning and 227.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 476.72 ms. Allocated memory was 308.8 MB in the beginning and 326.1 MB in the end (delta: 17.3 MB). Free memory was 227.4 MB in the beginning and 290.1 MB in the end (delta: -62.7 MB). Peak memory consumption was 45.2 MB. Max. memory is 3.6 GB. * TraceAbstraction took 78229.20 ms. Allocated memory was 326.1 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 290.1 MB in the beginning and 798.7 MB in the end (delta: -508.6 MB). Peak memory consumption was 1.3 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 20736 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 78.1s 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_5_e2_3018_e2_936.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_16-52-44-581.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_5_e2_3018_e2_936.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_16-52-44-581.csv Completed graceful shutdown