java -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/chccomp2018/chcToBoogie_automizer.epf -i /storage/chc-comp/vmt-chc-benchmarks/lustre/MESI_i3_e1_2143.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-55b8104 [2018-06-18 15:58:32,894 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-18 15:58:32,896 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-18 15:58:32,912 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-18 15:58:32,912 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-18 15:58:32,915 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-18 15:58:32,916 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-18 15:58:32,918 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-18 15:58:32,920 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-18 15:58:32,921 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-18 15:58:32,922 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-18 15:58:32,923 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-18 15:58:32,923 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-18 15:58:32,924 INFO L177 SettingsManager]: ChcToBoogie provides no preferences, ignoring... [2018-06-18 15:58:32,925 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-18 15:58:32,928 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-18 15:58:32,930 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-18 15:58:32,940 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-18 15:58:32,941 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-18 15:58:32,942 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-18 15:58:32,943 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-18 15:58:32,945 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-18 15:58:32,945 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-18 15:58:32,945 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-18 15:58:32,946 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-18 15:58:32,949 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-18 15:58:32,950 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-18 15:58:32,950 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-18 15:58:32,951 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-18 15:58:32,951 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-18 15:58:32,956 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-18 15:58:32,957 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-18 15:58:32,957 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-18 15:58:32,958 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-18 15:58:32,958 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-18 15:58:32,959 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chccomp2018/chcToBoogie_automizer.epf [2018-06-18 15:58:32,980 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-18 15:58:32,980 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-18 15:58:32,980 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-18 15:58:32,980 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-18 15:58:32,982 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-18 15:58:32,983 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-18 15:58:32,983 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-18 15:58:32,983 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-18 15:58:32,983 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-18 15:58:32,983 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-18 15:58:32,984 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-18 15:58:32,989 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-18 15:58:32,989 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-18 15:58:32,990 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-18 15:58:32,990 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-18 15:58:32,990 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-18 15:58:32,990 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-18 15:58:32,992 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-18 15:58:32,992 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-18 15:58:33,042 INFO ]: Repository-Root is: /tmp [2018-06-18 15:58:33,054 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-18 15:58:33,057 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-18 15:58:33,062 INFO ]: Initializing SmtParser... [2018-06-18 15:58:33,062 INFO ]: SmtParser initialized [2018-06-18 15:58:33,063 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/MESI_i3_e1_2143.smt2 [2018-06-18 15:58:33,064 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 [2018-06-18 15:58:33,160 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/MESI_i3_e1_2143.smt2 unknown [2018-06-18 15:58:33,633 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/MESI_i3_e1_2143.smt2 [2018-06-18 15:58:33,638 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-18 15:58:33,647 INFO ]: Walking toolchain with 4 elements. [2018-06-18 15:58:33,647 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-18 15:58:33,647 INFO ]: Initializing ChcToBoogie... [2018-06-18 15:58:33,647 INFO ]: ChcToBoogie initialized [2018-06-18 15:58:33,662 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 03:58:33" (1/1) ... [2018-06-18 15:58:33,796 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:58:33 Unit [2018-06-18 15:58:33,796 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-18 15:58:33,797 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-18 15:58:33,797 INFO ]: Initializing Boogie Preprocessor... [2018-06-18 15:58:33,797 INFO ]: Boogie Preprocessor initialized [2018-06-18 15:58:33,822 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:58:33" (1/1) ... [2018-06-18 15:58:33,823 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:58:33" (1/1) ... [2018-06-18 15:58:33,842 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:58:33" (1/1) ... [2018-06-18 15:58:33,842 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:58:33" (1/1) ... [2018-06-18 15:58:33,855 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:58:33" (1/1) ... [2018-06-18 15:58:33,856 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:58:33" (1/1) ... [2018-06-18 15:58:33,858 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:58:33" (1/1) ... [2018-06-18 15:58:33,860 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-18 15:58:33,870 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-18 15:58:33,870 INFO ]: Initializing RCFGBuilder... [2018-06-18 15:58:33,870 INFO ]: RCFGBuilder initialized [2018-06-18 15:58:33,871 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:58:33" (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) [2018-06-18 15:58:33,901 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-18 15:58:33,901 INFO ]: Found specification of procedure False [2018-06-18 15:58:33,901 INFO ]: Found implementation of procedure False [2018-06-18 15:58:33,901 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-18 15:58:33,901 INFO ]: Found specification of procedure state [2018-06-18 15:58:33,901 INFO ]: Found implementation of procedure state [2018-06-18 15:58:33,901 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-18 15:58:33,901 INFO ]: Found specification of procedure Ultimate.START [2018-06-18 15:58:33,901 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 [2018-06-18 15:58:34,256 INFO ]: Using library mode [2018-06-18 15:58:34,257 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 03:58:34 BoogieIcfgContainer [2018-06-18 15:58:34,257 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-18 15:58:34,258 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-18 15:58:34,258 INFO ]: Initializing TraceAbstraction... [2018-06-18 15:58:34,261 INFO ]: TraceAbstraction initialized [2018-06-18 15:58:34,263 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 03:58:33" (1/3) ... [2018-06-18 15:58:34,264 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19e79f81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 18.06 03:58:34, skipping insertion in model container [2018-06-18 15:58:34,264 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:58:33" (2/3) ... [2018-06-18 15:58:34,264 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19e79f81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.06 03:58:34, skipping insertion in model container [2018-06-18 15:58:34,264 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 03:58:34" (3/3) ... [2018-06-18 15:58:34,266 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-18 15:58:34,275 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-18 15:58:34,283 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-18 15:58:34,333 INFO ]: Using default assertion order modulation [2018-06-18 15:58:34,333 INFO ]: Interprodecural is true [2018-06-18 15:58:34,333 INFO ]: Hoare is false [2018-06-18 15:58:34,333 INFO ]: Compute interpolants for FPandBP [2018-06-18 15:58:34,333 INFO ]: Backedges is TWOTRACK [2018-06-18 15:58:34,334 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-18 15:58:34,334 INFO ]: Difference is false [2018-06-18 15:58:34,334 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-18 15:58:34,334 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-18 15:58:34,348 INFO ]: Start isEmpty. Operand 13 states. [2018-06-18 15:58:34,364 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-18 15:58:34,364 INFO ]: Found error trace [2018-06-18 15:58:34,365 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 15:58:34,365 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 15:58:34,371 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-18 15:58:34,373 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 15:58:34,374 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 15:58:34,416 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 15:58:34,416 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 15:58:34,416 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 15:58:34,510 INFO ]: Conjunction of SSA is unsat [2018-06-18 15:58:34,521 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 15:58:34,750 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-18 15:58:34,754 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-18 15:58:34,754 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-18 15:58:34,756 INFO ]: Interpolant automaton has 4 states [2018-06-18 15:58:34,771 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-18 15:58:34,772 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-18 15:58:34,775 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-18 15:58:34,927 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-18 15:58:34,927 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-18 15:58:34,928 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-18 15:58:34,930 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-18 15:58:34,930 INFO ]: Finished accepts. some prefix is accepted. [2018-06-18 15:58:34,945 INFO ]: With dead ends: 13 [2018-06-18 15:58:34,945 INFO ]: Without dead ends: 13 [2018-06-18 15:58:34,952 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 [2018-06-18 15:58:34,972 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-18 15:58:35,008 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-18 15:58:35,009 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-18 15:58:35,012 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-18 15:58:35,014 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-18 15:58:35,014 INFO ]: Finished accepts. word is rejected. [2018-06-18 15:58:35,014 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-18 15:58:35,014 INFO ]: Interpolant automaton has 4 states. [2018-06-18 15:58:35,014 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-18 15:58:35,015 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-18 15:58:35,016 INFO ]: Found error trace [2018-06-18 15:58:35,016 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 15:58:35,016 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 15:58:35,017 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-18 15:58:35,017 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 15:58:35,017 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 15:58:35,018 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 15:58:35,018 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 15:58:35,018 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 15:58:35,093 INFO ]: Conjunction of SSA is unsat [2018-06-18 15:58:35,094 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 15:58:36,191 WARN ]: Spent 805.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 52 [2018-06-18 15:58:36,263 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-18 15:58:36,263 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-18 15:58:36,263 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 [2018-06-18 15:58:36,270 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 15:58:36,363 INFO ]: Conjunction of SSA is unsat [2018-06-18 15:58:36,374 INFO ]: Computing forward predicates... [2018-06-18 15:58:37,761 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:58:37,772 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:58:37,774 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 15:58:37,784 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 15:58:37,806 WARN ]: expecting exponential blowup for input size 10 [2018-06-18 15:58:37,832 WARN ]: expecting exponential blowup for input size 11 [2018-06-18 15:58:37,862 WARN ]: expecting exponential blowup for input size 10 [2018-06-18 15:58:37,911 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:58:37,914 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:58:37,921 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:58:37,928 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:58:37,935 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:58:37,939 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:58:37,944 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:58:37,947 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:58:37,960 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:58:37,963 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:58:37,967 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:58:37,975 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:58:37,982 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:58:37,985 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:58:37,994 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:58:37,997 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:58:38,020 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:58:38,207 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 15:58:38,233 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:58:38,240 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:58:38,244 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:58:38,249 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:58:38,258 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:58:38,265 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:58:38,268 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:58:38,271 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:58:38,291 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:58:38,294 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:58:38,299 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:58:38,302 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:58:38,324 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:58:38,328 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:58:38,332 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:58:38,341 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:58:38,449 WARN ]: expecting exponential blowup for input size 9 [2018-06-18 15:58:38,459 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 15:58:38,490 WARN ]: expecting exponential blowup for input size 10 [2018-06-18 15:58:38,557 WARN ]: expecting exponential blowup for input size 9 [2018-06-18 15:58:38,596 WARN ]: expecting exponential blowup for input size 11 [2018-06-18 15:58:38,622 WARN ]: expecting exponential blowup for input size 10 [2018-06-18 15:58:38,652 WARN ]: expecting exponential blowup for input size 10 [2018-06-18 15:58:38,661 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 15:58:38,717 WARN ]: expecting exponential blowup for input size 9 [2018-06-18 15:58:38,731 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 15:58:38,757 WARN ]: expecting exponential blowup for input size 9 [2018-06-18 15:58:38,765 WARN ]: expecting exponential blowup for input size 10 [2018-06-18 15:58:38,797 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:58:38,802 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 15:58:38,804 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:58:59,957 WARN ]: Spent 388.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 15 [2018-06-18 15:59:00,011 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-18 15:59:00,051 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-18 15:59:00,051 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2018-06-18 15:59:00,051 INFO ]: Interpolant automaton has 8 states [2018-06-18 15:59:00,052 INFO ]: Constructing interpolant automaton starting with 8 interpolants. [2018-06-18 15:59:00,052 INFO ]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-06-18 15:59:00,052 INFO ]: Start difference. First operand 13 states and 14 transitions. Second operand 8 states. [2018-06-18 15:59:00,267 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-18 15:59:00,267 INFO ]: Finished difference Result 15 states and 16 transitions. [2018-06-18 15:59:00,267 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-06-18 15:59:00,267 INFO ]: Start accepts. Automaton has 8 states. Word has length 13 [2018-06-18 15:59:00,268 INFO ]: Finished accepts. some prefix is accepted. [2018-06-18 15:59:00,268 INFO ]: With dead ends: 15 [2018-06-18 15:59:00,268 INFO ]: Without dead ends: 15 [2018-06-18 15:59:00,269 INFO ]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-06-18 15:59:00,269 INFO ]: Start minimizeSevpa. Operand 15 states. [2018-06-18 15:59:00,272 INFO ]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-06-18 15:59:00,272 INFO ]: Start removeUnreachable. Operand 15 states. [2018-06-18 15:59:00,272 INFO ]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2018-06-18 15:59:00,272 INFO ]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 13 [2018-06-18 15:59:00,272 INFO ]: Finished accepts. word is rejected. [2018-06-18 15:59:00,272 INFO ]: Abstraction has 15 states and 16 transitions. [2018-06-18 15:59:00,272 INFO ]: Interpolant automaton has 8 states. [2018-06-18 15:59:00,272 INFO ]: Start isEmpty. Operand 15 states and 16 transitions. [2018-06-18 15:59:00,273 INFO ]: Finished isEmpty. Found accepting run of length 18 [2018-06-18 15:59:00,273 INFO ]: Found error trace [2018-06-18 15:59:00,273 INFO ]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 15:59:00,273 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 15:59:00,273 INFO ]: Analyzing trace with hash -1486246934, now seen corresponding path program 2 times [2018-06-18 15:59:00,274 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 15:59:00,274 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 15:59:00,275 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 15:59:00,275 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 15:59:00,275 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 15:59:00,385 INFO ]: Conjunction of SSA is unsat [2018-06-18 15:59:00,386 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 15:59:00,853 WARN ]: Spent 165.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 40 [2018-06-18 15:59:01,555 WARN ]: Spent 609.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 103 [2018-06-18 15:59:01,858 WARN ]: Spent 211.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 65 [2018-06-18 15:59:01,873 INFO ]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-06-18 15:59:01,873 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-18 15:59:01,873 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-18 15:59:01,889 INFO ]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-06-18 15:59:01,999 INFO ]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-06-18 15:59:01,999 INFO ]: Conjunction of SSA is unsat [2018-06-18 15:59:02,009 INFO ]: Computing forward predicates... [2018-06-18 15:59:06,622 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:06,626 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:06,658 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:06,660 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 15:59:06,661 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:06,666 WARN ]: expecting exponential blowup for input size 14 [2018-06-18 15:59:06,832 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:06,833 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:06,835 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 15:59:06,837 WARN ]: expecting exponential blowup for input size 13 [2018-06-18 15:59:06,984 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:06,989 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 15:59:06,992 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 15:59:06,994 WARN ]: expecting exponential blowup for input size 14 [2018-06-18 15:59:07,170 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:07,172 WARN ]: expecting exponential blowup for input size 13 [2018-06-18 15:59:07,307 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 15:59:07,308 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:07,309 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:07,313 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:07,314 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:59:07,318 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:07,320 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 15:59:07,405 WARN ]: expecting exponential blowup for input size 12 [2018-06-18 15:59:07,463 WARN ]: expecting exponential blowup for input size 12 [2018-06-18 15:59:07,610 WARN ]: expecting exponential blowup for input size 12 [2018-06-18 15:59:07,657 WARN ]: expecting exponential blowup for input size 12 [2018-06-18 15:59:07,717 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:07,719 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:07,723 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:07,725 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:07,729 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:07,730 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:07,732 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 15:59:07,736 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:07,738 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:59:07,739 WARN ]: expecting exponential blowup for input size 14 [2018-06-18 15:59:07,841 WARN ]: expecting exponential blowup for input size 14 [2018-06-18 15:59:07,961 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 15:59:07,962 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:07,964 WARN ]: expecting exponential blowup for input size 13 [2018-06-18 15:59:08,037 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:08,041 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 15:59:08,044 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 15:59:08,050 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:08,052 WARN ]: expecting exponential blowup for input size 13 [2018-06-18 15:59:08,192 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:08,193 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 15:59:08,195 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:08,197 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 15:59:08,362 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 15:59:08,371 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:59:08,374 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:08,379 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:08,384 WARN ]: expecting exponential blowup for input size 9 [2018-06-18 15:59:08,391 WARN ]: expecting exponential blowup for input size 9 [2018-06-18 15:59:08,394 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:59:08,397 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:08,400 WARN ]: expecting exponential blowup for input size 10 [2018-06-18 15:59:08,404 WARN ]: expecting exponential blowup for input size 10 [2018-06-18 15:59:08,411 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:59:08,413 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:59:08,416 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:59:08,418 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 15:59:08,428 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:08,432 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:59:08,435 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:59:08,437 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:08,441 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:08,445 WARN ]: expecting exponential blowup for input size 9 [2018-06-18 15:59:08,455 WARN ]: expecting exponential blowup for input size 14 [2018-06-18 15:59:08,490 WARN ]: expecting exponential blowup for input size 9 [2018-06-18 15:59:08,491 WARN ]: expecting exponential blowup for input size 9 [2018-06-18 15:59:08,493 WARN ]: expecting exponential blowup for input size 9 [2018-06-18 15:59:08,498 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:08,502 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:59:08,505 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:59:08,507 WARN ]: expecting exponential blowup for input size 10 [2018-06-18 15:59:08,512 WARN ]: expecting exponential blowup for input size 9 [2018-06-18 15:59:08,523 WARN ]: expecting exponential blowup for input size 9 [2018-06-18 15:59:08,548 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:08,555 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:08,560 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:59:08,562 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:59:08,564 WARN ]: expecting exponential blowup for input size 9 [2018-06-18 15:59:08,574 WARN ]: expecting exponential blowup for input size 9 [2018-06-18 15:59:08,578 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:59:08,580 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:59:08,582 WARN ]: expecting exponential blowup for input size 13 [2018-06-18 15:59:08,593 WARN ]: expecting exponential blowup for input size 10 [2018-06-18 15:59:08,597 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:59:08,599 WARN ]: expecting exponential blowup for input size 12 [2018-06-18 15:59:08,602 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:59:08,605 WARN ]: expecting exponential blowup for input size 11 [2018-06-18 15:59:08,622 WARN ]: expecting exponential blowup for input size 12 [2018-06-18 15:59:08,632 WARN ]: expecting exponential blowup for input size 10 [2018-06-18 15:59:08,642 WARN ]: expecting exponential blowup for input size 11 [2018-06-18 15:59:08,659 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:08,662 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:59:08,664 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 15:59:08,669 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:08,672 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 15:59:08,677 WARN ]: expecting exponential blowup for input size 12 [2018-06-18 15:59:08,691 WARN ]: expecting exponential blowup for input size 10 [2018-06-18 15:59:08,696 WARN ]: expecting exponential blowup for input size 10 [2018-06-18 15:59:08,699 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:08,700 WARN ]: expecting exponential blowup for input size 11 [2018-06-18 15:59:08,719 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:08,723 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:08,726 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:59:08,727 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 15:59:08,731 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:59:08,733 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:59:08,736 WARN ]: expecting exponential blowup for input size 12 [2018-06-18 15:59:08,766 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 15:59:08,775 WARN ]: expecting exponential blowup for input size 12 [2018-06-18 15:59:08,780 WARN ]: expecting exponential blowup for input size 10 [2018-06-18 15:59:08,784 WARN ]: expecting exponential blowup for input size 11 [2018-06-18 15:59:08,788 WARN ]: expecting exponential blowup for input size 11 [2018-06-18 15:59:08,795 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:08,798 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:59:08,804 WARN ]: expecting exponential blowup for input size 16 [2018-06-18 15:59:08,972 WARN ]: Simplifying disjunction of 5184 conjuctions. This might take some time... [2018-06-18 15:59:10,143 INFO ]: Simplified to disjunction of 1944 conjuctions. [2018-06-18 15:59:10,151 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:10,155 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:10,158 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 15:59:10,162 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 15:59:10,166 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:59:10,167 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:59:10,167 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:59:10,168 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:10,174 WARN ]: expecting exponential blowup for input size 14 [2018-06-18 15:59:10,191 WARN ]: expecting exponential blowup for input size 10 [2018-06-18 15:59:10,194 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:59:10,196 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:10,197 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:59:10,198 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:10,200 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 15:59:10,201 WARN ]: expecting exponential blowup for input size 14 [2018-06-18 15:59:10,257 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:10,258 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 15:59:10,261 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 15:59:10,263 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:10,267 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:10,268 WARN ]: expecting exponential blowup for input size 14 [2018-06-18 15:59:10,339 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:10,341 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:10,342 WARN ]: expecting exponential blowup for input size 13 [2018-06-18 15:59:10,408 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:10,408 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 15:59:10,409 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 15:59:10,410 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 15:59:10,411 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:10,411 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:10,412 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:10,413 WARN ]: expecting exponential blowup for input size 13 [2018-06-18 15:59:10,477 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:10,521 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 15:59:10,522 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:10,524 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:59:10,525 WARN ]: expecting exponential blowup for input size 11 [2018-06-18 15:59:10,529 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:59:10,530 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:10,532 WARN ]: expecting exponential blowup for input size 9 [2018-06-18 15:59:10,534 WARN ]: expecting exponential blowup for input size 14 [2018-06-18 15:59:10,546 WARN ]: expecting exponential blowup for input size 9 [2018-06-18 15:59:10,546 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:59:10,547 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:10,550 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:10,555 WARN ]: expecting exponential blowup for input size 11 [2018-06-18 15:59:10,560 WARN ]: expecting exponential blowup for input size 12 [2018-06-18 15:59:10,564 WARN ]: expecting exponential blowup for input size 11 [2018-06-18 15:59:10,576 WARN ]: expecting exponential blowup for input size 11 [2018-06-18 15:59:10,598 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:10,600 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 15:59:10,604 WARN ]: expecting exponential blowup for input size 11 [2018-06-18 15:59:10,607 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:59:10,608 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:59:10,609 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 15:59:10,614 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 15:59:10,618 WARN ]: expecting exponential blowup for input size 10 [2018-06-18 15:59:10,620 WARN ]: expecting exponential blowup for input size 9 [2018-06-18 15:59:10,631 WARN ]: expecting exponential blowup for input size 9 [2018-06-18 15:59:10,643 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 15:59:10,647 WARN ]: expecting exponential blowup for input size 10 [2018-06-18 15:59:10,650 WARN ]: expecting exponential blowup for input size 11 [2018-06-18 15:59:10,655 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:59:10,655 WARN ]: expecting exponential blowup for input size 9 [2018-06-18 15:59:10,657 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:59:10,658 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:59:10,659 WARN ]: expecting exponential blowup for input size 11 [2018-06-18 15:59:10,663 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:10,664 WARN ]: expecting exponential blowup for input size 10 [2018-06-18 15:59:10,665 WARN ]: expecting exponential blowup for input size 11 [2018-06-18 15:59:10,677 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 15:59:10,682 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:10,683 WARN ]: expecting exponential blowup for input size 11 [2018-06-18 15:59:10,690 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 15:59:10,695 WARN ]: expecting exponential blowup for input size 10 [2018-06-18 15:59:10,701 WARN ]: expecting exponential blowup for input size 11 [2018-06-18 15:59:10,705 WARN ]: expecting exponential blowup for input size 11 [2018-06-18 15:59:10,718 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:10,720 WARN ]: expecting exponential blowup for input size 9 [2018-06-18 15:59:10,723 WARN ]: expecting exponential blowup for input size 10 [2018-06-18 15:59:10,726 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:59:10,728 WARN ]: expecting exponential blowup for input size 10 [2018-06-18 15:59:10,732 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 15:59:10,740 WARN ]: expecting exponential blowup for input size 9 [2018-06-18 15:59:10,752 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:10,754 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:10,755 WARN ]: expecting exponential blowup for input size 12 [2018-06-18 15:59:10,763 WARN ]: expecting exponential blowup for input size 9 [2018-06-18 15:59:10,766 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:59:10,767 WARN ]: expecting exponential blowup for input size 9 [2018-06-18 15:59:10,768 WARN ]: expecting exponential blowup for input size 9 [2018-06-18 15:59:10,769 WARN ]: expecting exponential blowup for input size 10 [2018-06-18 15:59:10,773 WARN ]: expecting exponential blowup for input size 10 [2018-06-18 15:59:10,776 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 15:59:10,776 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:59:10,868 WARN ]: expecting exponential blowup for input size 10 [2018-06-18 15:59:10,874 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:10,874 WARN ]: expecting exponential blowup for input size 10 [2018-06-18 15:59:10,884 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:59:10,885 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:59:10,886 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:10,888 WARN ]: expecting exponential blowup for input size 10 [2018-06-18 15:59:10,890 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:59:10,891 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:10,893 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:10,895 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:10,897 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:10,900 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:59:10,901 WARN ]: expecting exponential blowup for input size 13 [2018-06-18 15:59:10,905 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:59:10,907 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 15:59:10,909 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 15:59:10,913 WARN ]: expecting exponential blowup for input size 9 [2018-06-18 15:59:10,916 WARN ]: expecting exponential blowup for input size 12 [2018-06-18 15:59:10,918 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 15:59:10,924 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 15:59:10,928 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:59:10,929 WARN ]: expecting exponential blowup for input size 11 [2018-06-18 15:59:10,942 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:10,944 WARN ]: expecting exponential blowup for input size 12 [2018-06-18 15:59:10,963 WARN ]: expecting exponential blowup for input size 12 [2018-06-18 15:59:10,987 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:10,990 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 15:59:10,993 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:10,995 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:10,996 WARN ]: expecting exponential blowup for input size 11 [2018-06-18 15:59:11,004 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:59:11,005 WARN ]: expecting exponential blowup for input size 9 [2018-06-18 15:59:11,020 WARN ]: expecting exponential blowup for input size 10 [2018-06-18 15:59:11,023 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:11,025 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 15:59:11,027 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:59:11,030 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:59:11,033 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:11,037 WARN ]: expecting exponential blowup for input size 9 [2018-06-18 15:59:11,041 WARN ]: expecting exponential blowup for input size 9 [2018-06-18 15:59:11,046 WARN ]: expecting exponential blowup for input size 9 [2018-06-18 15:59:11,050 WARN ]: expecting exponential blowup for input size 9 [2018-06-18 15:59:11,052 WARN ]: expecting exponential blowup for input size 10 [2018-06-18 15:59:11,055 WARN ]: expecting exponential blowup for input size 10 [2018-06-18 15:59:11,061 WARN ]: expecting exponential blowup for input size 9 [2018-06-18 15:59:11,066 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:59:11,067 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 15:59:11,071 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:11,073 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:11,080 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 15:59:11,084 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:59:11,087 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 15:59:11,091 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 15:59:11,095 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:59:11,096 WARN ]: expecting exponential blowup for input size 13 [2018-06-18 15:59:11,098 WARN ]: expecting exponential blowup for input size 9 [2018-06-18 15:59:11,102 WARN ]: expecting exponential blowup for input size 10 [2018-06-18 15:59:11,105 WARN ]: expecting exponential blowup for input size 10 [2018-06-18 15:59:11,111 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:11,114 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:59:11,115 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:59:11,116 WARN ]: expecting exponential blowup for input size 13 [2018-06-18 15:59:11,122 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:11,124 WARN ]: expecting exponential blowup for input size 10 [2018-06-18 15:59:11,127 WARN ]: expecting exponential blowup for input size 9 [2018-06-18 15:59:11,137 WARN ]: expecting exponential blowup for input size 11 [2018-06-18 15:59:11,141 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:11,143 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:59:11,144 WARN ]: expecting exponential blowup for input size 15 [2018-06-18 15:59:11,155 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:59:11,156 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:59:11,158 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:11,164 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:59:11,166 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:59:11,176 WARN ]: Simplifying disjunction of 5609 conjuctions. This might take some time... [2018-06-18 15:59:13,544 INFO ]: Simplified to disjunction of 5609 conjuctions. [2018-06-18 15:59:13,607 WARN ]: Simplifying disjunction of 14462 conjuctions. This might take some time... [2018-06-18 15:59:30,781 INFO ]: Simplified to disjunction of 14462 conjuctions. Received shutdown request... [2018-06-18 15:59:37,006 INFO ]: Timeout while computing interpolants [2018-06-18 15:59:37,206 WARN ]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-18 15:59:37,207 WARN ]: Verification canceled [2018-06-18 15:59:37,212 WARN ]: Timeout [2018-06-18 15:59:37,212 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.06 03:59:37 BoogieIcfgContainer [2018-06-18 15:59:37,212 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-18 15:59:37,216 INFO ]: Toolchain (without parser) took 63577.14 ms. Allocated memory was 305.7 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 246.1 MB in the beginning and 1.4 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-18 15:59:37,217 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 305.7 MB. Free memory is still 271.1 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-18 15:59:37,217 INFO ]: ChcToBoogie took 149.59 ms. Allocated memory is still 305.7 MB. Free memory was 246.1 MB in the beginning and 242.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 3.6 GB. [2018-06-18 15:59:37,218 INFO ]: Boogie Preprocessor took 63.38 ms. Allocated memory is still 305.7 MB. Free memory was 242.0 MB in the beginning and 241.0 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. [2018-06-18 15:59:37,218 INFO ]: RCFGBuilder took 387.05 ms. Allocated memory is still 305.7 MB. Free memory was 241.0 MB in the beginning and 219.0 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 3.6 GB. [2018-06-18 15:59:37,227 INFO ]: TraceAbstraction took 62954.16 ms. Allocated memory was 305.7 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 219.0 MB in the beginning and 1.4 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-18 15:59:37,230 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 305.7 MB. Free memory is still 271.1 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 149.59 ms. Allocated memory is still 305.7 MB. Free memory was 246.1 MB in the beginning and 242.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 63.38 ms. Allocated memory is still 305.7 MB. Free memory was 242.0 MB in the beginning and 241.0 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. * RCFGBuilder took 387.05 ms. Allocated memory is still 305.7 MB. Free memory was 241.0 MB in the beginning and 219.0 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 62954.16 ms. Allocated memory was 305.7 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 219.0 MB in the beginning and 1.4 GB in the end (delta: -1.1 GB). 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 18 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while XnfDer was eliminating 8686 quantified variables from 16 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 62.8s OverallTime, 3 OverallIterations, 3 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 22 SDtfs, 7 SDslu, 47 SDs, 0 SdLazy, 33 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=2, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 25.0s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 2052 SizeOfPredicates, 32 NumberOfNonLiveVariables, 425 ConjunctsInSsa, 47 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 2/6 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/MESI_i3_e1_2143.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-18_15-59-37-247.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/MESI_i3_e1_2143.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-18_15-59-37-247.csv Completed graceful shutdown