java -Xss1g -Xmx4000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCHC.xml --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_No_Goto.epf -i /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_9_e7_1843_e2_1145.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 17:03:22,814 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 17:03:22,816 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 17:03:22,828 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 17:03:22,828 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 17:03:22,829 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 17:03:22,830 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 17:03:22,831 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 17:03:22,833 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 17:03:22,834 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 17:03:22,834 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 17:03:22,835 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 17:03:22,835 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 17:03:22,837 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 17:03:22,837 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 17:03:22,838 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 17:03:22,840 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 17:03:22,842 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 17:03:22,843 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 17:03:22,844 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 17:03:22,845 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 17:03:22,848 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 17:03:22,848 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 17:03:22,848 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 17:03:22,849 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 17:03:22,850 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 17:03:22,851 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 17:03:22,852 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 17:03:22,853 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 17:03:22,853 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 17:03:22,853 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 17:03:22,854 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 17:03:22,854 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 17:03:22,855 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 17:03:22,856 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 17:03:22,856 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 17:03:22,876 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 17:03:22,876 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 17:03:22,877 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 17:03:22,877 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 17:03:22,884 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 17:03:22,884 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 17:03:22,884 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 17:03:22,885 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 17:03:22,885 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 17:03:22,885 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 17:03:22,885 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 17:03:22,885 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 17:03:22,886 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 17:03:22,886 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 17:03:22,886 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 17:03:22,886 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 17:03:22,886 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 17:03:22,886 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 17:03:22,887 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 17:03:22,888 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 17:03:22,888 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 17:03:22,945 INFO ]: Repository-Root is: /tmp [2018-06-22 17:03:22,961 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 17:03:22,968 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 17:03:22,969 INFO ]: Initializing SmtParser... [2018-06-22 17:03:22,969 INFO ]: SmtParser initialized [2018-06-22 17:03:22,970 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_9_e7_1843_e2_1145.smt2 [2018-06-22 17:03:22,971 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 17:03:23,055 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_9_e7_1843_e2_1145.smt2 unknown [2018-06-22 17:03:23,613 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_9_e7_1843_e2_1145.smt2 [2018-06-22 17:03:23,620 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 17:03:23,632 INFO ]: Walking toolchain with 4 elements. [2018-06-22 17:03:23,633 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 17:03:23,633 INFO ]: Initializing ChcToBoogie... [2018-06-22 17:03:23,633 INFO ]: ChcToBoogie initialized [2018-06-22 17:03:23,636 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:03:23" (1/1) ... [2018-06-22 17:03:23,722 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:03:23 Unit [2018-06-22 17:03:23,722 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 17:03:23,723 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 17:03:23,723 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 17:03:23,723 INFO ]: Boogie Preprocessor initialized [2018-06-22 17:03:23,750 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:03:23" (1/1) ... [2018-06-22 17:03:23,750 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:03:23" (1/1) ... [2018-06-22 17:03:23,762 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:03:23" (1/1) ... [2018-06-22 17:03:23,762 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:03:23" (1/1) ... [2018-06-22 17:03:23,775 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:03:23" (1/1) ... [2018-06-22 17:03:23,777 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:03:23" (1/1) ... [2018-06-22 17:03:23,791 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:03:23" (1/1) ... [2018-06-22 17:03:23,796 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 17:03:23,797 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 17:03:23,797 INFO ]: Initializing RCFGBuilder... [2018-06-22 17:03:23,797 INFO ]: RCFGBuilder initialized [2018-06-22 17:03:23,800 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:03:23" (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 17:03:23,810 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 17:03:23,810 INFO ]: Found specification of procedure False [2018-06-22 17:03:23,810 INFO ]: Found implementation of procedure False [2018-06-22 17:03:23,811 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 17:03:23,811 INFO ]: Found specification of procedure state [2018-06-22 17:03:23,811 INFO ]: Found implementation of procedure state [2018-06-22 17:03:23,811 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 17:03:23,811 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 17:03:23,811 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 17:03:24,307 INFO ]: Using library mode [2018-06-22 17:03:24,308 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:03:24 BoogieIcfgContainer [2018-06-22 17:03:24,308 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 17:03:24,312 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 17:03:24,312 INFO ]: Initializing TraceAbstraction... [2018-06-22 17:03:24,315 INFO ]: TraceAbstraction initialized [2018-06-22 17:03:24,317 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:03:23" (1/3) ... [2018-06-22 17:03:24,318 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74f4822b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 05:03:24, skipping insertion in model container [2018-06-22 17:03:24,318 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:03:23" (2/3) ... [2018-06-22 17:03:24,318 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74f4822b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 05:03:24, skipping insertion in model container [2018-06-22 17:03:24,318 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:03:24" (3/3) ... [2018-06-22 17:03:24,320 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 17:03:24,329 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 17:03:24,338 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 17:03:24,387 INFO ]: Using default assertion order modulation [2018-06-22 17:03:24,388 INFO ]: Interprodecural is true [2018-06-22 17:03:24,388 INFO ]: Hoare is false [2018-06-22 17:03:24,388 INFO ]: Compute interpolants for FPandBP [2018-06-22 17:03:24,388 INFO ]: Backedges is TWOTRACK [2018-06-22 17:03:24,388 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 17:03:24,388 INFO ]: Difference is false [2018-06-22 17:03:24,388 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 17:03:24,388 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 17:03:24,406 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 17:03:24,418 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 17:03:24,418 INFO ]: Found error trace [2018-06-22 17:03:24,421 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:03:24,421 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:03:24,427 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 17:03:24,429 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:03:24,430 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:03:24,464 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:03:24,464 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:03:24,464 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:03:24,587 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:03:24,838 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 17:03:24,840 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 17:03:24,840 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 17:03:24,842 INFO ]: Interpolant automaton has 4 states [2018-06-22 17:03:24,856 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 17:03:24,857 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 17:03:24,860 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 17:03:25,001 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 17:03:25,001 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 17:03:25,003 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 17:03:25,004 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 17:03:25,004 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 17:03:25,019 INFO ]: With dead ends: 13 [2018-06-22 17:03:25,020 INFO ]: Without dead ends: 13 [2018-06-22 17:03:25,021 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 17:03:25,041 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 17:03:25,081 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 17:03:25,083 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 17:03:25,083 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 17:03:25,084 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 17:03:25,084 INFO ]: Finished accepts. word is rejected. [2018-06-22 17:03:25,085 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 17:03:25,085 INFO ]: Interpolant automaton has 4 states. [2018-06-22 17:03:25,085 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 17:03:25,086 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 17:03:25,086 INFO ]: Found error trace [2018-06-22 17:03:25,086 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:03:25,086 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:03:25,086 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 17:03:25,086 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:03:25,086 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:03:25,088 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:03:25,088 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:03:25,088 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:03:25,271 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:03:27,084 WARN ]: Spent 1.48 s on a formula simplification. DAG size of input: 139 DAG size of output: 54 [2018-06-22 17:03:27,137 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 17:03:27,137 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 17:03:27,137 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 17:03:27,145 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:03:27,289 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:03:27,326 INFO ]: Computing forward predicates... [2018-06-22 17:03:31,982 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 17:03:31,997 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:03:32,001 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 17:03:32,004 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:03:32,022 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 17:03:32,034 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 17:03:32,736 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 17:03:32,743 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 17:03:32,780 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 17:03:33,108 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 17:03:33,117 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 17:03:33,119 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 17:03:33,132 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 17:03:33,139 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 17:03:33,143 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 17:03:33,157 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 17:03:34,288 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 17:03:37,057 WARN ]: Simplifying disjunction of 363744 conjuctions. This might take some time... Received shutdown request... [2018-06-22 17:04:36,300 INFO ]: Timeout while computing interpolants [2018-06-22 17:04:36,500 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 17:04:36,501 WARN ]: Verification canceled [2018-06-22 17:04:36,506 WARN ]: Timeout [2018-06-22 17:04:36,506 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 05:04:36 BoogieIcfgContainer [2018-06-22 17:04:36,506 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 17:04:36,508 INFO ]: Toolchain (without parser) took 72886.49 ms. Allocated memory was 307.8 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 230.2 MB in the beginning and 717.9 MB in the end (delta: -487.7 MB). Peak memory consumption was 1.4 GB. Max. memory is 3.6 GB. [2018-06-22 17:04:36,509 INFO ]: SmtParser took 0.56 ms. Allocated memory is still 307.8 MB. Free memory is still 272.2 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 17:04:36,509 INFO ]: ChcToBoogie took 89.95 ms. Allocated memory is still 307.8 MB. Free memory was 230.2 MB in the beginning and 228.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:04:36,509 INFO ]: Boogie Preprocessor took 72.87 ms. Allocated memory is still 307.8 MB. Free memory was 228.2 MB in the beginning and 226.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:04:36,510 INFO ]: RCFGBuilder took 511.28 ms. Allocated memory was 307.8 MB in the beginning and 325.1 MB in the end (delta: 17.3 MB). Free memory was 226.2 MB in the beginning and 289.0 MB in the end (delta: -62.7 MB). Peak memory consumption was 45.1 MB. Max. memory is 3.6 GB. [2018-06-22 17:04:36,510 INFO ]: TraceAbstraction took 72194.31 ms. Allocated memory was 325.1 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 286.7 MB in the beginning and 717.9 MB in the end (delta: -431.2 MB). Peak memory consumption was 1.5 GB. Max. memory is 3.6 GB. [2018-06-22 17:04:36,515 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.56 ms. Allocated memory is still 307.8 MB. Free memory is still 272.2 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 89.95 ms. Allocated memory is still 307.8 MB. Free memory was 230.2 MB in the beginning and 228.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 72.87 ms. Allocated memory is still 307.8 MB. Free memory was 228.2 MB in the beginning and 226.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 511.28 ms. Allocated memory was 307.8 MB in the beginning and 325.1 MB in the end (delta: 17.3 MB). Free memory was 226.2 MB in the beginning and 289.0 MB in the end (delta: -62.7 MB). Peak memory consumption was 45.1 MB. Max. memory is 3.6 GB. * TraceAbstraction took 72194.31 ms. Allocated memory was 325.1 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 286.7 MB in the beginning and 717.9 MB in the end (delta: -431.2 MB). Peak memory consumption was 1.5 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 363744 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 72.1s 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, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 72 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_9_e7_1843_e2_1145.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_17-04-36-537.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_9_e7_1843_e2_1145.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_17-04-36-537.csv Completed graceful shutdown