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_e7_2017.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 16:55:33,763 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 16:55:33,765 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 16:55:33,777 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 16:55:33,777 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 16:55:33,778 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 16:55:33,781 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 16:55:33,782 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 16:55:33,784 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 16:55:33,785 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 16:55:33,786 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 16:55:33,786 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 16:55:33,787 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 16:55:33,788 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 16:55:33,789 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 16:55:33,792 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 16:55:33,795 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 16:55:33,797 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 16:55:33,807 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 16:55:33,809 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 16:55:33,810 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 16:55:33,812 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 16:55:33,813 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 16:55:33,813 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 16:55:33,814 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 16:55:33,814 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 16:55:33,815 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 16:55:33,822 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 16:55:33,823 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 16:55:33,823 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 16:55:33,824 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 16:55:33,824 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 16:55:33,825 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 16:55:33,825 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 16:55:33,826 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 16:55:33,826 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 16:55:33,853 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 16:55:33,853 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 16:55:33,853 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 16:55:33,853 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 16:55:33,854 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 16:55:33,856 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 16:55:33,856 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 16:55:33,856 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 16:55:33,856 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 16:55:33,857 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 16:55:33,857 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 16:55:33,857 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 16:55:33,857 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 16:55:33,857 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 16:55:33,857 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 16:55:33,858 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 16:55:33,858 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 16:55:33,858 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 16:55:33,858 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 16:55:33,860 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 16:55:33,861 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 16:55:33,911 INFO ]: Repository-Root is: /tmp [2018-06-22 16:55:33,930 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 16:55:33,937 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 16:55:33,939 INFO ]: Initializing SmtParser... [2018-06-22 16:55:33,939 INFO ]: SmtParser initialized [2018-06-22 16:55:33,940 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_5_e7_2017.smt2 [2018-06-22 16:55:33,941 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 16:55:34,041 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_5_e7_2017.smt2 unknown [2018-06-22 16:55:34,699 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_5_e7_2017.smt2 [2018-06-22 16:55:34,703 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 16:55:34,711 INFO ]: Walking toolchain with 4 elements. [2018-06-22 16:55:34,711 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 16:55:34,711 INFO ]: Initializing ChcToBoogie... [2018-06-22 16:55:34,711 INFO ]: ChcToBoogie initialized [2018-06-22 16:55:34,714 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:55:34" (1/1) ... [2018-06-22 16:55:34,786 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:55:34 Unit [2018-06-22 16:55:34,786 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 16:55:34,787 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 16:55:34,787 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 16:55:34,787 INFO ]: Boogie Preprocessor initialized [2018-06-22 16:55:34,810 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:55:34" (1/1) ... [2018-06-22 16:55:34,810 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:55:34" (1/1) ... [2018-06-22 16:55:34,826 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:55:34" (1/1) ... [2018-06-22 16:55:34,826 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:55:34" (1/1) ... [2018-06-22 16:55:34,840 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:55:34" (1/1) ... [2018-06-22 16:55:34,841 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:55:34" (1/1) ... [2018-06-22 16:55:34,846 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:55:34" (1/1) ... [2018-06-22 16:55:34,852 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 16:55:34,853 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 16:55:34,853 INFO ]: Initializing RCFGBuilder... [2018-06-22 16:55:34,853 INFO ]: RCFGBuilder initialized [2018-06-22 16:55:34,854 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:55:34" (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 16:55:34,882 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 16:55:34,882 INFO ]: Found specification of procedure False [2018-06-22 16:55:34,882 INFO ]: Found implementation of procedure False [2018-06-22 16:55:34,882 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 16:55:34,882 INFO ]: Found specification of procedure state [2018-06-22 16:55:34,883 INFO ]: Found implementation of procedure state [2018-06-22 16:55:34,883 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 16:55:34,883 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 16:55:34,883 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 16:55:35,454 INFO ]: Using library mode [2018-06-22 16:55:35,455 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:55:35 BoogieIcfgContainer [2018-06-22 16:55:35,455 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 16:55:35,458 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 16:55:35,458 INFO ]: Initializing TraceAbstraction... [2018-06-22 16:55:35,463 INFO ]: TraceAbstraction initialized [2018-06-22 16:55:35,464 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:55:34" (1/3) ... [2018-06-22 16:55:35,464 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dfcfc70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 04:55:35, skipping insertion in model container [2018-06-22 16:55:35,465 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:55:34" (2/3) ... [2018-06-22 16:55:35,465 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dfcfc70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 04:55:35, skipping insertion in model container [2018-06-22 16:55:35,465 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:55:35" (3/3) ... [2018-06-22 16:55:35,467 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 16:55:35,478 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 16:55:35,489 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 16:55:35,538 INFO ]: Using default assertion order modulation [2018-06-22 16:55:35,538 INFO ]: Interprodecural is true [2018-06-22 16:55:35,539 INFO ]: Hoare is false [2018-06-22 16:55:35,539 INFO ]: Compute interpolants for FPandBP [2018-06-22 16:55:35,539 INFO ]: Backedges is TWOTRACK [2018-06-22 16:55:35,539 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 16:55:35,539 INFO ]: Difference is false [2018-06-22 16:55:35,539 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 16:55:35,539 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 16:55:35,556 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 16:55:35,573 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 16:55:35,573 INFO ]: Found error trace [2018-06-22 16:55:35,576 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:55:35,576 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:55:35,582 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 16:55:35,584 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:55:35,584 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:55:35,632 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:55:35,632 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:55:35,632 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:55:35,780 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:55:36,088 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 16:55:36,090 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 16:55:36,090 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 16:55:36,091 INFO ]: Interpolant automaton has 4 states [2018-06-22 16:55:36,101 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 16:55:36,102 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 16:55:36,104 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 16:55:36,259 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 16:55:36,259 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 16:55:36,260 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 16:55:36,262 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 16:55:36,262 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 16:55:36,276 INFO ]: With dead ends: 13 [2018-06-22 16:55:36,276 INFO ]: Without dead ends: 13 [2018-06-22 16:55:36,278 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 16:55:36,296 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 16:55:36,326 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 16:55:36,327 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 16:55:36,328 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 16:55:36,329 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 16:55:36,329 INFO ]: Finished accepts. word is rejected. [2018-06-22 16:55:36,329 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 16:55:36,329 INFO ]: Interpolant automaton has 4 states. [2018-06-22 16:55:36,329 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 16:55:36,330 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 16:55:36,330 INFO ]: Found error trace [2018-06-22 16:55:36,330 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:55:36,331 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:55:36,331 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 16:55:36,331 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:55:36,331 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:55:36,332 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:55:36,332 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:55:36,332 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:55:36,469 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:55:37,712 WARN ]: Spent 965.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 59 [2018-06-22 16:55:38,024 WARN ]: Spent 123.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 1 [2018-06-22 16:55:38,027 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 16:55:38,027 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 16:55:38,027 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) [2018-06-22 16:55:38,044 INFO ]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 16:55:38,197 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:55:38,210 INFO ]: Computing forward predicates... [2018-06-22 16:55:39,724 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 16:55:39,891 WARN ]: Simplifying disjunction of 5184 conjuctions. This might take some time... [2018-06-22 16:55:42,683 INFO ]: Simplified to disjunction of 5184 conjuctions. [2018-06-22 16:55:42,757 WARN ]: expecting exponential blowup for input size 14 [2018-06-22 16:55:42,911 WARN ]: Simplifying disjunction of 5184 conjuctions. This might take some time... [2018-06-22 16:55:46,537 INFO ]: Simplified to disjunction of 5184 conjuctions. [2018-06-22 16:55:46,599 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 16:55:46,811 WARN ]: Simplifying disjunction of 7776 conjuctions. This might take some time... [2018-06-22 16:55:57,740 INFO ]: Simplified to disjunction of 7776 conjuctions. [2018-06-22 16:55:57,853 WARN ]: Simplifying disjunction of 18144 conjuctions. This might take some time... Received shutdown request... [2018-06-22 16:56:51,056 INFO ]: Timeout while computing interpolants [2018-06-22 16:56:51,257 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 16:56:51,257 WARN ]: Verification canceled [2018-06-22 16:56:51,261 WARN ]: Timeout [2018-06-22 16:56:51,261 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 04:56:51 BoogieIcfgContainer [2018-06-22 16:56:51,261 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 16:56:51,262 INFO ]: Toolchain (without parser) took 76557.90 ms. Allocated memory was 308.3 MB in the beginning and 454.0 MB in the end (delta: 145.8 MB). Free memory was 232.4 MB in the beginning and 356.4 MB in the end (delta: -124.0 MB). Peak memory consumption was 149.2 MB. Max. memory is 3.6 GB. [2018-06-22 16:56:51,262 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 308.3 MB. Free memory is still 274.1 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 16:56:51,263 INFO ]: ChcToBoogie took 75.14 ms. Allocated memory is still 308.3 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 16:56:51,263 INFO ]: Boogie Preprocessor took 65.55 ms. Allocated memory is still 308.3 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 16:56:51,263 INFO ]: RCFGBuilder took 601.96 ms. Allocated memory was 308.3 MB in the beginning and 329.8 MB in the end (delta: 21.5 MB). Free memory was 227.4 MB in the beginning and 292.6 MB in the end (delta: -65.2 MB). Peak memory consumption was 45.8 MB. Max. memory is 3.6 GB. [2018-06-22 16:56:51,264 INFO ]: TraceAbstraction took 75803.08 ms. Allocated memory was 329.8 MB in the beginning and 454.0 MB in the end (delta: 124.3 MB). Free memory was 292.6 MB in the beginning and 356.4 MB in the end (delta: -63.8 MB). Peak memory consumption was 187.8 MB. Max. memory is 3.6 GB. [2018-06-22 16:56:51,269 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 308.3 MB. Free memory is still 274.1 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 75.14 ms. Allocated memory is still 308.3 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 65.55 ms. Allocated memory is still 308.3 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 601.96 ms. Allocated memory was 308.3 MB in the beginning and 329.8 MB in the end (delta: 21.5 MB). Free memory was 227.4 MB in the beginning and 292.6 MB in the end (delta: -65.2 MB). Peak memory consumption was 45.8 MB. Max. memory is 3.6 GB. * TraceAbstraction took 75803.08 ms. Allocated memory was 329.8 MB in the beginning and 454.0 MB in the end (delta: 124.3 MB). Free memory was 292.6 MB in the beginning and 356.4 MB in the end (delta: -63.8 MB). Peak memory consumption was 187.8 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 18144 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 75.7s 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, 0.1s 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_e7_2017.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_16-56-51-287.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_5_e7_2017.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_16-56-51-287.csv Completed graceful shutdown