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_8_e3_786_e7_4541.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 17:00:45,682 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 17:00:45,685 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 17:00:45,696 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 17:00:45,697 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 17:00:45,697 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 17:00:45,698 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 17:00:45,702 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 17:00:45,703 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 17:00:45,705 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 17:00:45,706 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 17:00:45,706 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 17:00:45,707 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 17:00:45,708 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 17:00:45,708 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 17:00:45,711 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 17:00:45,713 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 17:00:45,715 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 17:00:45,723 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 17:00:45,724 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 17:00:45,725 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 17:00:45,730 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 17:00:45,730 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 17:00:45,731 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 17:00:45,731 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 17:00:45,732 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 17:00:45,733 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 17:00:45,733 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 17:00:45,737 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 17:00:45,737 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 17:00:45,738 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 17:00:45,738 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 17:00:45,738 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 17:00:45,739 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 17:00:45,739 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 17:00:45,741 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 17:00:45,758 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 17:00:45,758 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 17:00:45,758 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 17:00:45,759 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 17:00:45,759 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 17:00:45,760 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 17:00:45,760 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 17:00:45,760 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 17:00:45,760 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 17:00:45,760 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 17:00:45,764 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 17:00:45,764 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 17:00:45,764 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 17:00:45,764 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 17:00:45,764 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 17:00:45,764 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 17:00:45,765 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 17:00:45,765 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 17:00:45,765 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 17:00:45,766 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 17:00:45,766 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 17:00:45,804 INFO ]: Repository-Root is: /tmp [2018-06-22 17:00:45,820 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 17:00:45,825 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 17:00:45,826 INFO ]: Initializing SmtParser... [2018-06-22 17:00:45,827 INFO ]: SmtParser initialized [2018-06-22 17:00:45,828 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_8_e3_786_e7_4541.smt2 [2018-06-22 17:00:45,829 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 17:00:45,919 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_8_e3_786_e7_4541.smt2 unknown [2018-06-22 17:00:46,634 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_8_e3_786_e7_4541.smt2 [2018-06-22 17:00:46,638 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 17:00:46,644 INFO ]: Walking toolchain with 4 elements. [2018-06-22 17:00:46,645 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 17:00:46,645 INFO ]: Initializing ChcToBoogie... [2018-06-22 17:00:46,645 INFO ]: ChcToBoogie initialized [2018-06-22 17:00:46,648 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:00:46" (1/1) ... [2018-06-22 17:00:46,731 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:00:46 Unit [2018-06-22 17:00:46,731 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 17:00:46,732 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 17:00:46,732 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 17:00:46,732 INFO ]: Boogie Preprocessor initialized [2018-06-22 17:00:46,752 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:00:46" (1/1) ... [2018-06-22 17:00:46,752 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:00:46" (1/1) ... [2018-06-22 17:00:46,766 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:00:46" (1/1) ... [2018-06-22 17:00:46,766 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:00:46" (1/1) ... [2018-06-22 17:00:46,779 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:00:46" (1/1) ... [2018-06-22 17:00:46,780 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:00:46" (1/1) ... [2018-06-22 17:00:46,784 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:00:46" (1/1) ... [2018-06-22 17:00:46,790 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 17:00:46,791 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 17:00:46,791 INFO ]: Initializing RCFGBuilder... [2018-06-22 17:00:46,791 INFO ]: RCFGBuilder initialized [2018-06-22 17:00:46,792 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:00:46" (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 17:00:46,808 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 17:00:46,808 INFO ]: Found specification of procedure False [2018-06-22 17:00:46,808 INFO ]: Found implementation of procedure False [2018-06-22 17:00:46,808 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 17:00:46,808 INFO ]: Found specification of procedure state [2018-06-22 17:00:46,808 INFO ]: Found implementation of procedure state [2018-06-22 17:00:46,808 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 17:00:46,808 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 17:00:46,808 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 17:00:47,351 INFO ]: Using library mode [2018-06-22 17:00:47,351 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:00:47 BoogieIcfgContainer [2018-06-22 17:00:47,351 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 17:00:47,353 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 17:00:47,355 INFO ]: Initializing TraceAbstraction... [2018-06-22 17:00:47,358 INFO ]: TraceAbstraction initialized [2018-06-22 17:00:47,358 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:00:46" (1/3) ... [2018-06-22 17:00:47,359 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@596bb2d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 05:00:47, skipping insertion in model container [2018-06-22 17:00:47,359 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:00:46" (2/3) ... [2018-06-22 17:00:47,359 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@596bb2d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 05:00:47, skipping insertion in model container [2018-06-22 17:00:47,359 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:00:47" (3/3) ... [2018-06-22 17:00:47,361 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 17:00:47,371 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 17:00:47,378 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 17:00:47,429 INFO ]: Using default assertion order modulation [2018-06-22 17:00:47,429 INFO ]: Interprodecural is true [2018-06-22 17:00:47,429 INFO ]: Hoare is false [2018-06-22 17:00:47,429 INFO ]: Compute interpolants for FPandBP [2018-06-22 17:00:47,429 INFO ]: Backedges is TWOTRACK [2018-06-22 17:00:47,429 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 17:00:47,429 INFO ]: Difference is false [2018-06-22 17:00:47,429 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 17:00:47,429 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 17:00:47,445 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 17:00:47,458 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 17:00:47,459 INFO ]: Found error trace [2018-06-22 17:00:47,459 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:00:47,460 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:00:47,465 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 17:00:47,467 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:00:47,467 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:00:47,514 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:00:47,514 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:00:47,514 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:00:47,655 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:00:47,918 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 17:00:47,919 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 17:00:47,920 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 17:00:47,921 INFO ]: Interpolant automaton has 4 states [2018-06-22 17:00:47,930 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 17:00:47,931 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 17:00:47,933 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 17:00:48,097 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 17:00:48,097 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 17:00:48,099 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 17:00:48,100 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 17:00:48,100 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 17:00:48,114 INFO ]: With dead ends: 13 [2018-06-22 17:00:48,114 INFO ]: Without dead ends: 13 [2018-06-22 17:00:48,116 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 17:00:48,134 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 17:00:48,174 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 17:00:48,175 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 17:00:48,176 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 17:00:48,177 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 17:00:48,177 INFO ]: Finished accepts. word is rejected. [2018-06-22 17:00:48,177 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 17:00:48,177 INFO ]: Interpolant automaton has 4 states. [2018-06-22 17:00:48,178 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 17:00:48,179 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 17:00:48,179 INFO ]: Found error trace [2018-06-22 17:00:48,179 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:00:48,179 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:00:48,180 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 17:00:48,180 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:00:48,180 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:00:48,180 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:00:48,181 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:00:48,181 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:00:48,347 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:00:49,226 WARN ]: Spent 550.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 36 [2018-06-22 17:00:49,251 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 17:00:49,251 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 17:00:49,251 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 17:00:49,259 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:00:49,433 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:00:49,447 INFO ]: Computing forward predicates... [2018-06-22 17:00:50,667 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:00:50,685 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 17:00:50,691 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:00:50,693 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:00:50,694 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 17:00:50,870 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 17:00:50,874 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:00:50,880 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 17:00:50,894 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:00:51,164 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:00:51,194 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:00:51,214 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:00:51,960 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:00:51,994 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:00:52,023 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 17:00:52,027 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:00:52,030 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 17:00:52,913 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 17:00:52,915 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:00:52,916 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:00:52,917 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 17:00:53,028 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:00:53,029 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:00:53,178 WARN ]: Simplifying disjunction of 5186 conjuctions. This might take some time... [2018-06-22 17:00:54,643 INFO ]: Simplified to disjunction of 5186 conjuctions. [2018-06-22 17:00:54,668 WARN ]: expecting exponential blowup for input size 19 [2018-06-22 17:01:00,101 WARN ]: Simplifying disjunction of 419904 conjuctions. This might take some time... Received shutdown request... [2018-06-22 17:01:59,291 INFO ]: Timeout while computing interpolants [2018-06-22 17:01:59,492 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 17:01:59,492 WARN ]: Verification canceled [2018-06-22 17:01:59,497 WARN ]: Timeout [2018-06-22 17:01:59,497 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 05:01:59 BoogieIcfgContainer [2018-06-22 17:01:59,497 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 17:01:59,498 INFO ]: Toolchain (without parser) took 72858.92 ms. Allocated memory was 305.1 MB in the beginning and 2.1 GB in the end (delta: 1.8 GB). Free memory was 227.7 MB in the beginning and 1.0 GB in the end (delta: -809.7 MB). Peak memory consumption was 1.6 GB. Max. memory is 3.6 GB. [2018-06-22 17:01:59,499 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 305.1 MB. Free memory is still 269.6 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 17:01:59,499 INFO ]: ChcToBoogie took 86.99 ms. Allocated memory is still 305.1 MB. Free memory was 227.7 MB in the beginning and 225.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:01:59,500 INFO ]: Boogie Preprocessor took 58.02 ms. Allocated memory is still 305.1 MB. Free memory was 225.7 MB in the beginning and 223.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:01:59,502 INFO ]: RCFGBuilder took 560.75 ms. Allocated memory was 305.1 MB in the beginning and 323.5 MB in the end (delta: 18.4 MB). Free memory was 223.7 MB in the beginning and 285.3 MB in the end (delta: -61.6 MB). Peak memory consumption was 45.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:01:59,502 INFO ]: TraceAbstraction took 72144.34 ms. Allocated memory was 323.5 MB in the beginning and 2.1 GB in the end (delta: 1.7 GB). Free memory was 285.3 MB in the beginning and 1.0 GB in the end (delta: -752.1 MB). Peak memory consumption was 1.6 GB. Max. memory is 3.6 GB. [2018-06-22 17:01:59,513 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.07 ms. Allocated memory is still 305.1 MB. Free memory is still 269.6 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 86.99 ms. Allocated memory is still 305.1 MB. Free memory was 227.7 MB in the beginning and 225.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 58.02 ms. Allocated memory is still 305.1 MB. Free memory was 225.7 MB in the beginning and 223.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 560.75 ms. Allocated memory was 305.1 MB in the beginning and 323.5 MB in the end (delta: 18.4 MB). Free memory was 223.7 MB in the beginning and 285.3 MB in the end (delta: -61.6 MB). Peak memory consumption was 45.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 72144.34 ms. Allocated memory was 323.5 MB in the beginning and 2.1 GB in the end (delta: 1.7 GB). Free memory was 285.3 MB in the beginning and 1.0 GB in the end (delta: -752.1 MB). Peak memory consumption was 1.6 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 419904 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 72.0s 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_8_e3_786_e7_4541.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_17-01-59-527.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_8_e3_786_e7_4541.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_17-01-59-527.csv Completed graceful shutdown